WWA Summary for Heavy Freezing Spray Warning Issued by DLH

Heavy Freezing Spray Warning

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 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.

&&

$$