WWA Summary for Heavy Freezing Spray Warning Issued by MQT

Heavy Freezing Spray Warning

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
958 PM EST Tue Jan 21 2025

LSZ240-221100-
/O.CON.KMQT.UP.W.0002.000000T0000Z-250122T1200Z/
/O.CON.KMQT.SC.Y.0010.000000T0000Z-250122T1200Z/
/O.CON.KMQT.SC.Y.0012.250123T0000Z-250123T1200Z/
Saxon Harbor WI to Black River MI-
958 PM EST Tue Jan 21 2025 /858 PM CST Tue Jan 21 2025/

...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 7 AM EST
/6 AM CST/ WEDNESDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST /6 AM
CST/ WEDNESDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM EST /6 PM
CST/ WEDNESDAY TO 7 AM EST /6 AM CST/ THURSDAY...

* WHAT...For the Heavy Freezing Spray Warning, heavy freezing
  spray at a rate of 2 cm per hour or greater occurring, and may
  rapidly accumulate on vessels. For the first Small Craft
  Advisory, south winds 15 to 20 kt with gusts up to 30 kt and
  waves 1 to 3 ft occurring. For the second Small Craft
  Advisory, north winds around 15 kt with gusts up to 25 kt and
  waves 2 to 5 ft expected.

* WHERE...Saxon Harbor WI to Black River MI.

* WHEN...For the Heavy Freezing Spray Warning, until 7 AM EST /6
  AM CST/ Wednesday. For the Small Craft Advisory, from 7 PM EST
  /6 PM CST/ Wednesday to 7 AM EST /6 AM CST/ Thursday.

* IMPACTS...Operating a vessel in heavy freezing spray is
  hazardous. Freezing spray may render mechanical and electronic
  components inoperative. Rapid ice accretion on decks and
  superstructures may result in a catastrophic loss of
  stability. Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should prepare for dangerous accumulation of ice on
their vessel. If possible, remain in port, avoid the warning area
or conduct mitigation.

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
958 PM EST Tue Jan 21 2025

LSZ241-242-221100-
/O.CON.KMQT.UP.W.0002.000000T0000Z-250122T1200Z/
/O.CON.KMQT.SC.Y.0010.000000T0000Z-250122T1200Z/
/O.CON.KMQT.SC.Y.0012.250122T1800Z-250123T1800Z/
Black River to Ontonagon MI-
Ontonagon to Upper Entrance of Portage Canal MI-
958 PM EST Tue Jan 21 2025 /858 PM CST Tue Jan 21 2025/

...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 7 AM EST
/6 AM CST/ WEDNESDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST /6 AM
CST/ WEDNESDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 PM EST /NOON
CST/ WEDNESDAY TO 1 PM EST /NOON CST/ THURSDAY...

* WHAT...For the Heavy Freezing Spray Warning, heavy freezing
  spray at a rate of 2 cm per hour or greater occurring, and may
  rapidly accumulate on vessels. For the first Small Craft
  Advisory, south winds 15 to 20 kt with gusts up to 30 kt and
  waves 2 to 4 ft occurring. For the second Small Craft
  Advisory, northwest winds 15 to 20 kt with gusts up to 25 kt
  and waves 4 to 7 ft expected.

* WHERE...Black River to Ontonagon MI and Ontonagon to Upper
  Entrance of Portage Canal MI.

* WHEN...For the Heavy Freezing Spray Warning, until 7 AM EST /6
  AM CST/ Wednesday. For the Small Craft Advisory, from 1 PM EST
  /noon CST/ Wednesday to 1 PM EST /noon CST/ Thursday.

* IMPACTS...Operating a vessel in heavy freezing spray is
  hazardous. Freezing spray may render mechanical and electronic
  components inoperative. Rapid ice accretion on decks and
  superstructures may result in a catastrophic loss of
  stability. Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should prepare for dangerous accumulation of ice on
their vessel. If possible, remain in port, avoid the warning area
or conduct mitigation.

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
958 PM EST Tue Jan 21 2025

LSZ162-263-221100-
/O.CON.KMQT.UP.W.0002.000000T0000Z-250122T1200Z/
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
Lake Superior from Saxon Harbor WI to Upper Entrance to Portage
Canal MI 5NM off shore to the US/Canadian border including Isle
Royale National Park-
958 PM EST Tue Jan 21 2025 /858 PM CST Tue Jan 21 2025/

...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 7 AM EST
/6 AM CST/ WEDNESDAY...

* WHAT...Heavy freezing spray at a rate of 2 cm per hour or
  greater occurring, and may rapidly accumulate on vessels.

* WHERE...Lake Superior west of a line from Saxon Harbor WI to
  Grand Portage MN beyond 5NM and Lake Superior from Saxon
  Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore
  to the US/Canadian border including Isle Royale National Park.

* WHEN...Until 7 AM EST /6 AM CST/ Wednesday.

* IMPACTS...Operating a vessel in heavy freezing spray is
  hazardous. Freezing spray may render mechanical and electronic
  components inoperative. Rapid ice accretion on decks and
  superstructures may result in a catastrophic loss of stability.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should prepare for dangerous accumulation of ice on
their vessel. If possible, remain in port, avoid the warning area
or conduct mitigation.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
958 PM EST Tue Jan 21 2025

LMZ248-250-221100-
/O.CON.KMQT.SC.Y.0012.000000T0000Z-250123T0000Z/
/O.CON.KMQT.UP.W.0002.250122T0900Z-250122T1800Z/
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
958 PM EST Tue Jan 21 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST
WEDNESDAY...
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT FROM 4 AM TO
1 PM EST WEDNESDAY...

* WHAT...For the Small Craft Advisory, southwest winds 15 to 25
  kt with gusts up to 30 kt and waves 6 to 9 ft occurring. For
  the Heavy Freezing Spray Warning, heavy freezing spray at a
  rate of 2 cm per hour or greater expected, and may rapidly
  accumulate on vessels.

* WHERE...Seul Choix Point to Point Detour MI and 5NM East of a
  line from Fairport MI to Rock Island Passage.

* WHEN...For the Small Craft Advisory, until 7 PM EST Wednesday.
  For the Heavy Freezing Spray Warning, from 4 AM to 1 PM EST
  Wednesday.

* IMPACTS...Operating a vessel in heavy freezing spray is
  hazardous. Freezing spray may render mechanical and electronic
  components inoperative. Rapid ice accretion on decks and
  superstructures may result in a catastrophic loss of
  stability. Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should prepare for dangerous accumulation of ice on
their vessel. If possible, remain in port, avoid the warning area
or conduct mitigation.

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
958 PM EST Tue Jan 21 2025

LSZ249-221100-
/O.CON.KMQT.UP.W.0002.000000T0000Z-250122T1200Z/
/O.CON.KMQT.SC.Y.0013.250123T0300Z-250124T0000Z/
Marquette to Munising MI-
958 PM EST Tue Jan 21 2025

...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 7 AM EST
WEDNESDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 PM WEDNESDAY TO
7 PM EST THURSDAY...

* WHAT...For the Heavy Freezing Spray Warning, heavy freezing
  spray at a rate of 2 cm per hour or greater occurring, and may
  rapidly accumulate on vessels. For the Small Craft Advisory,
  northwest winds 15 to 25 kt with gusts up to 30 kt and waves 7
  to 10 ft expected.

* WHERE...Marquette to Munising MI.

* WHEN...For the Heavy Freezing Spray Warning, until 7 AM EST
  Wednesday. For the Small Craft Advisory, from 10 PM Wednesday
  to 7 PM EST Thursday.

* IMPACTS...Operating a vessel in heavy freezing spray is
  hazardous. Freezing spray may render mechanical and electronic
  components inoperative. Rapid ice accretion on decks and
  superstructures may result in a catastrophic loss of
  stability. Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should prepare for dangerous accumulation of ice on
their vessel. If possible, remain in port, avoid the warning area
or conduct mitigation.

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
958 PM EST Tue Jan 21 2025

LSZ250-251-221100-
/O.CON.KMQT.UP.W.0002.000000T0000Z-250122T1200Z/
/O.CON.KMQT.SC.Y.0013.250123T0600Z-250124T0000Z/
Munising to Grand Marais MI-Grand Marais to Whitefish Point MI-
958 PM EST Tue Jan 21 2025

...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 7 AM EST
WEDNESDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 AM TO 7 PM EST
THURSDAY...

* WHAT...For the Heavy Freezing Spray Warning, heavy freezing
  spray at a rate of 2 cm per hour or greater occurring, and may
  rapidly accumulate on vessels. For the Small Craft Advisory,
  north winds 15 to 25 kt with gusts up to 30 kt and waves 5 to
  8 ft expected.

* WHERE...Munising to Grand Marais MI and Grand Marais to
  Whitefish Point MI.

* WHEN...For the Heavy Freezing Spray Warning, until 7 AM EST
  Wednesday. For the Small Craft Advisory, from 1 AM to 7 PM EST
  Thursday.

* IMPACTS...Operating a vessel in heavy freezing spray is
  hazardous. Freezing spray may render mechanical and electronic
  components inoperative. Rapid ice accretion on decks and
  superstructures may result in a catastrophic loss of
  stability. Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should prepare for dangerous accumulation of ice on
their vessel. If possible, remain in port, avoid the warning area
or conduct mitigation.

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
958 PM EST Tue Jan 21 2025

LSZ243-244-221100-
/O.CON.KMQT.UP.W.0002.000000T0000Z-250122T1200Z/
/O.CON.KMQT.SC.Y.0010.000000T0000Z-250122T1200Z/
/O.CON.KMQT.SC.Y.0012.250122T1800Z-250123T1800Z/
Upper Entrance of Portage Canal to Eagle River MI-
Eagle River to Manitou Island MI-
958 PM EST Tue Jan 21 2025

...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 7 AM EST
WEDNESDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
WEDNESDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 PM WEDNESDAY TO
1 PM EST THURSDAY...

* WHAT...For the Heavy Freezing Spray Warning, heavy freezing
  spray at a rate of 2 cm per hour or greater occurring, and may
  rapidly accumulate on vessels. For the first Small Craft
  Advisory, southwest winds 15 to 20 kt with gusts up to 30 kt
  and waves 3 to 6 ft occurring. For the second Small Craft
  Advisory, northwest winds 15 to 25 kt with gusts up to 30 kt
  and waves 6 to 9 ft expected.

* WHERE...Upper Entrance of Portage Canal to Eagle River MI and
  Eagle River to Manitou Island MI.

* WHEN...For the Heavy Freezing Spray Warning, until 7 AM EST
  Wednesday. For the Small Craft Advisory, from 1 PM Wednesday
  to 1 PM EST Thursday.

* IMPACTS...Operating a vessel in heavy freezing spray is
  hazardous. Freezing spray may render mechanical and electronic
  components inoperative. Rapid ice accretion on decks and
  superstructures may result in a catastrophic loss of
  stability. Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should prepare for dangerous accumulation of ice on
their vessel. If possible, remain in port, avoid the warning area
or conduct mitigation.

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
958 PM EST Tue Jan 21 2025

LSZ245-221100-
/O.CON.KMQT.UP.W.0002.000000T0000Z-250122T1200Z/
/O.CON.KMQT.SC.Y.0011.000000T0000Z-250122T1200Z/
/O.CON.KMQT.SC.Y.0012.250123T0000Z-250123T1800Z/
Manitou Island to Point Isabelle MI-
958 PM EST Tue Jan 21 2025

...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 7 AM EST
WEDNESDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
WEDNESDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM WEDNESDAY TO
1 PM EST THURSDAY...

* WHAT...For the Heavy Freezing Spray Warning, heavy freezing
  spray at a rate of 2 cm per hour or greater occurring, and may
  rapidly accumulate on vessels. For the first Small Craft
  Advisory, southwest winds 15 to 20 kt with gusts up to 25 kt
  and waves 3 to 6 ft occurring. For the second Small Craft
  Advisory, north winds 15 to 25 kt with gusts up to 30 kt and
  waves 3 to 6 ft expected.

* WHERE...Manitou Island to Point Isabelle MI.

* WHEN...For the Heavy Freezing Spray Warning, until 7 AM EST
  Wednesday. For the Small Craft Advisory, from 7 PM Wednesday
  to 1 PM EST Thursday.

* IMPACTS...Operating a vessel in heavy freezing spray is
  hazardous. Freezing spray may render mechanical and electronic
  components inoperative. Rapid ice accretion on decks and
  superstructures may result in a catastrophic loss of
  stability. Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should prepare for dangerous accumulation of ice on
their vessel. If possible, remain in port, avoid the warning area
or conduct mitigation.

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
958 PM EST Tue Jan 21 2025

LSZ246-221100-
/O.CON.KMQT.UP.W.0002.000000T0000Z-250122T1200Z/
/O.CON.KMQT.SC.Y.0011.000000T0000Z-250122T1200Z/
Point Isabelle to Lower Entrance of Portage Canal MI-
958 PM EST Tue Jan 21 2025

...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 7 AM EST
WEDNESDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
WEDNESDAY...

* WHAT...For the Heavy Freezing Spray Warning, heavy freezing
  spray at a rate of 2 cm per hour or greater occurring, and may
  rapidly accumulate on vessels. For the Small Craft Advisory,
  southwest winds 15 to 25 kt with gusts up to 30 kt and waves 2
  to 5 ft occurring.

* WHERE...Point Isabelle to Lower Entrance of Portage Canal MI.

* WHEN...Until 7 AM EST Wednesday.

* IMPACTS...Operating a vessel in heavy freezing spray is
  hazardous. Freezing spray may render mechanical and electronic
  components inoperative. Rapid ice accretion on decks and
  superstructures may result in a catastrophic loss of
  stability. Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should prepare for dangerous accumulation of ice on
their vessel. If possible, remain in port, avoid the warning area
or conduct mitigation.

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
958 PM EST Tue Jan 21 2025

LSZ247-264-265-221100-
/O.CON.KMQT.UP.W.0002.000000T0000Z-250122T1200Z/
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
958 PM EST Tue Jan 21 2025

...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 7 AM EST
WEDNESDAY...

* WHAT...Heavy freezing spray at a rate of 2 cm per hour or
  greater occurring, and may rapidly accumulate on vessels.

* WHERE...Lower Entrance of Portage Canal To Huron Islands MI
  Including Keweenaw and Huron Bays, Lake Superior from Upper
  Entrance to Portage Canal to Manitou Island MI 5NM off shore
  to the US/Canadian Border and Lake Superior West of Line from
  Manitou Island to Marquette MI Beyond 5NM from shore.

* WHEN...Until 7 AM EST Wednesday.

* IMPACTS...Operating a vessel in heavy freezing spray is
  hazardous. Freezing spray may render mechanical and electronic
  components inoperative. Rapid ice accretion on decks and
  superstructures may result in a catastrophic loss of stability.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should prepare for dangerous accumulation of ice on
their vessel. If possible, remain in port, avoid the warning area
or conduct mitigation.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
958 PM EST Tue Jan 21 2025

LSZ248-221100-
/O.CON.KMQT.UP.W.0002.000000T0000Z-250122T1200Z/
/O.CON.KMQT.SC.Y.0013.250123T0300Z-250124T0000Z/
Huron Islands to Marquette MI-
958 PM EST Tue Jan 21 2025

...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 7 AM EST
WEDNESDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 PM WEDNESDAY TO
7 PM EST THURSDAY...

* WHAT...For the Heavy Freezing Spray Warning, heavy freezing
  spray at a rate of 2 cm per hour or greater occurring, and may
  rapidly accumulate on vessels. For the Small Craft Advisory,
  northwest winds 15 to 25 kt with gusts up to 30 kt and waves 6
  to 9 ft expected.

* WHERE...Huron Islands to Marquette MI.

* WHEN...For the Heavy Freezing Spray Warning, until 7 AM EST
  Wednesday. For the Small Craft Advisory, from 10 PM Wednesday
  to 7 PM EST Thursday.

* IMPACTS...Operating a vessel in heavy freezing spray is
  hazardous. Freezing spray may render mechanical and electronic
  components inoperative. Rapid ice accretion on decks and
  superstructures may result in a catastrophic loss of
  stability. Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should prepare for dangerous accumulation of ice on
their vessel. If possible, remain in port, avoid the warning area
or conduct mitigation.

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
958 PM EST Tue Jan 21 2025

LSZ266-267-221100-
/O.CON.KMQT.UP.W.0002.000000T0000Z-250122T1800Z/
Lake Superior East of a line from Manitou Island to Marquette MI
and West of a line from Grand Marais MI to the US/Canadian Border
Beyond 5NM from shore-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
958 PM EST Tue Jan 21 2025

...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 1 PM EST
WEDNESDAY...

* WHAT...Heavy freezing spray at a rate of 2 cm per hour or
  greater occurring, and may rapidly accumulate on vessels.

* WHERE...Lake Superior East of a line from Manitou Island to
  Marquette MI and West of a line from Grand Marais MI to the
  US/Canadian Border Beyond 5NM from shore and Lake Superior
  from Grand Marais MI to Whitefish Point MI 5NM off shore to
  the US/Canadian border.

* WHEN...Until 1 PM EST Wednesday.

* IMPACTS...Operating a vessel in heavy freezing spray is
  hazardous. Freezing spray may render mechanical and electronic
  components inoperative. Rapid ice accretion on decks and
  superstructures may result in a catastrophic loss of stability.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should prepare for dangerous accumulation of ice on
their vessel. If possible, remain in port, avoid the warning area
or conduct mitigation.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
1018 PM CST Tue Jan 21 2025

LSZ140>142-221630-
/O.CON.KDLH.UP.W.0002.000000T0000Z-250122T1200Z/
/O.CON.KDLH.SC.Y.0010.000000T0000Z-250122T2200Z/
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
Taconite Harbor to Silver Bay Harbor MN-
1018 PM CST Tue Jan 21 2025

...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 6 AM CST
WEDNESDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM CST
WEDNESDAY...

* WHAT...For the Heavy Freezing Spray Warning, heavy freezing
  spray at a rate of 2 cm per hour or greater may rapidly
  accumulate on vessels. For the Small Craft Advisory, west winds
  15 to 25 kt with local gusts up to 35 kt and waves 6 to 9 ft.

* WHERE...Grand Portage to Grand Marais MN, Grand Marais to
  Taconite Harbor MN and Taconite Harbor to Silver Bay Harbor MN.

* WHEN...For the Heavy Freezing Spray Warning, until 6 AM CST
  Wednesday. For the Small Craft Advisory, until 4 PM CST
  Wednesday.

* IMPACTS...Operating a vessel in heavy freezing spray is
  hazardous. Freezing spray may render mechanical and electronic
  components inoperative. Rapid ice accretion on decks and
  superstructures may result in a catastrophic loss of
  stability. Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should prepare for dangerous accumulation of ice on
their vessel. If possible, remain in port, avoid the warning area
or conduct mitigation.

Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
1018 PM CST Tue Jan 21 2025

LSZ150-221630-
/O.CON.KDLH.UP.W.0002.000000T0000Z-250122T1200Z/
/O.CON.KDLH.SC.Y.0010.000000T0000Z-250122T2200Z/
Outer Apostle Islands Beyond 5 NM from Mainland-
1018 PM CST Tue Jan 21 2025

...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 6 AM CST
WEDNESDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM CST
WEDNESDAY...

* WHAT...For the Heavy Freezing Spray Warning, heavy freezing
  spray at a rate of 2 cm per hour or greater may rapidly
  accumulate on vessels. For the Small Craft Advisory, southwest
  winds 20 to 30 kt and waves 2 to 5 ft.

* WHERE...Outer Apostle Islands Beyond 5 NM from Mainland.

* WHEN...For the Heavy Freezing Spray Warning, until 6 AM CST
  Wednesday. For the Small Craft Advisory, until 4 PM CST
  Wednesday.

* IMPACTS...Operating a vessel in heavy freezing spray is
  hazardous. Freezing spray may render mechanical and electronic
  components inoperative. Rapid ice accretion on decks and
  superstructures may result in a catastrophic loss of
  stability. Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should prepare for dangerous accumulation of ice on
their vessel. If possible, remain in port, avoid the warning area
or conduct mitigation.

Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
904 PM CST Tue Jan 21 2025

LMZ261-362-364-366-563-565-221115-
/O.CON.KMKX.UP.W.0002.000000T0000Z-250123T0000Z/
/O.CON.KMKX.GL.W.0002.250122T1000Z-250122T1900Z/
Lake Michigan from Seul Choix Point to Rock Island Passage 5NM
offshore to Mid Lake-
Lake Michigan South of a line from Seul Choix Point to the
Mackinac Bridge and North of a line from Charlevoix MI to South
Fox Island 5NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to
mid lake-
Lake Michigan from Point Betsie to Manistee MI 5NM offshore to
Mid Lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM
offshore to mid lake-
Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to
Mid Lake-
904 PM CST Tue Jan 21 2025

...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 6 PM CST
WEDNESDAY...
...GALE WARNING REMAINS IN EFFECT FROM 4 AM TO 1 PM CST
WEDNESDAY...

* WHAT...For the Heavy Freezing Spray Warning, heavy freezing
  spray at a rate of 2 cm per hour or greater may rapidly
  accumulate on vessels. For the Gale Warning, southwest winds
  20 to 30 kt with gusts up to 35 kt and waves 8 to 13 ft
  expected.

* WHERE...Northern Third of the Open Waters of Lake Michigan,
  Lake Michigan from Point Betsie to Manistee MI 5NM offshore to
  Mid Lake, and Lake Michigan from Sturgeon Bay to Two Rivers WI
  5NM offshore to Mid Lake.

* WHEN...For the Heavy Freezing Spray Warning, until 6 PM CST
  Wednesday. For the Gale Warning, from 4 AM to 1 PM CST
  Wednesday.

* IMPACTS...Operating a vessel in heavy freezing spray is
  hazardous. Freezing spray may render mechanical and electronic
  components inoperative. Rapid ice accretion on decks and
  superstructures may result in a catastrophic loss of stability.
  Strong winds will cause hazardous waves which could capsize or
  damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should prepare for dangerous accumulation of ice on
their vessel. If possible, remain in port, avoid the warning area
or conduct mitigation.

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
840 PM CST Tue Jan 21 2025

LMZ541>543-221045-
/O.CON.KGRB.SC.Y.0007.250122T0600Z-250123T0000Z/
/O.CON.KGRB.UP.W.0001.250122T0900Z-250122T1800Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
840 PM CST Tue Jan 21 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO 6 PM CST WEDNESDAY...
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT FROM 3 AM TO
NOON CST WEDNESDAY...

* WHAT...For the Small Craft Advisory, southwest winds 15 to 25 kt
  with gusts up to 30 kt and waves 4 to 7 ft expected. For the
  Heavy Freezing Spray Warning, heavy freezing spray at a rate of
  2 cm per hour or greater expected, and may rapidly accumulate on
  vessels.

* WHERE...Lake Michigan nearshore waters from Washington Island
  to Sheboygan.

* WHEN...For the Small Craft Advisory, from midnight tonight to
  6 PM CST Wednesday. For the Heavy Freezing Spray Warning, from
  3 AM to noon CST Wednesday.

* IMPACTS...Operating a vessel in heavy freezing spray is
  hazardous. Freezing spray may render mechanical and electronic
  components inoperative. Rapid ice accretion on decks and
  superstructures may result in a catastrophic loss of
  stability. Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should prepare for dangerous accumulation of ice on
their vessel. If possible, remain in port, avoid the warning area
or conduct mitigation.

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$