Heavy Freezing Spray Warning
URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
316 AM CST Wed Jan 22 2025
LMZ261-362-364-366-563-565-221730-
/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-
316 AM CST Wed Jan 22 2025
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 6 PM CST
THIS EVENING...
...GALE WARNING REMAINS IN EFFECT UNTIL 1 PM CST THIS AFTERNOON...
* 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 Milwaukee/Sullivan WI
316 AM CST Wed Jan 22 2025
LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-221730-
/O.CON.KMKX.UP.W.0001.000000T0000Z-250123T0000Z/
/O.CON.KMKX.GL.W.0002.250122T1000Z-250122T1900Z/
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of lake.-
Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid
Lake-
Lake Michigan from Sheboygan to Port Washington WI 5NM offshore
to Mid Lake-
Lake Michigan from Port Washington to North Point Light WI 5NM
offshore to Mid Lake-
Lake Michigan from North Point Light to Wind Point WI 5NM
offshore to Mid Lake-
Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Wilmette Harbor to Michigan City in 5NM
offshore to Mid Lake-
Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid
Lake-
Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid
Lake-
Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to
Mid Lake-
Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid
Lake-
Lake Michigan from South Haven to Holland MI 5NM offshore to Mid
lake-
Lake Michigan from St Joseph to South Haven MI 5NM offshore to
Mid Lake-
316 AM CST Wed Jan 22 2025
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 6 PM CST
THIS EVENING...
...GALE WARNING REMAINS IN EFFECT UNTIL 1 PM CST THIS AFTERNOON...
* 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
25 to 30 kt with gusts up to 35 kt and waves 7 to 12 ft
expected.
* WHERE...Southern Open Waters of Lake Michigan, Lake Michigan
from Two Rivers to Sheboygan WI 5NM offshore to Mid Lake, and
Lake Michigan from Pentwater to Manistee MI 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 Milwaukee/Sullivan WI
316 AM CST Wed Jan 22 2025
LMZ643>646-221730-
/O.CON.KMKX.UP.W.0001.000000T0000Z-250122T1800Z/
/O.CON.KMKX.SC.Y.0007.000000T0000Z-250123T0000Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
316 AM CST Wed Jan 22 2025
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL NOON CST
TODAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS
EVENING...
* WHAT...For the Small Craft Advisory, southwest winds 15 to 25 kt
with gusts up to 30 kt expected. Waves 3 to 5 ft in ice free
areas. 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...Nearshore Waters from Sheboygan to Winthrop Harbor IL.
* WHEN...For the Small Craft Advisory, until 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
403 AM EST Wed Jan 22 2025
LMZ248-250-221715-
/O.EXT.KMQT.UP.W.0002.000000T0000Z-250122T2100Z/
/O.EXT.KMQT.SC.Y.0012.000000T0000Z-250123T0600Z/
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
403 AM EST Wed Jan 22 2025
...HEAVY FREEZING SPRAY WARNING NOW IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 AM EST THURSDAY...
* WHAT...For the Heavy Freezing Spray Warning, heavy freezing
spray at a rate of 2 cm per hour or greater occurring, and may
rapidly accumulate on vessels. For the Small Craft Advisory,
southwest winds 20 to 30 kt and waves 6 to 9 ft occurring.
* WHERE...Seul Choix Point to Point Detour MI and 5NM East of a
line from Fairport MI to Rock Island Passage.
* WHEN...For the Heavy Freezing Spray Warning, until 4 PM EST
this afternoon. For the Small Craft Advisory, until 1 AM EST
Thursday.
* IMPACTS...Operating a vessel in heavy freezing spray is
hazardous. Freezing spray may render mechanical and electronic
components inoperative. Rapid ice accretion on decks and
superstructures may result in a catastrophic loss of
stability. Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should prepare for dangerous accumulation of ice on
their vessel. If possible, remain in port, avoid the warning area
or conduct mitigation.
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
403 AM EST Wed Jan 22 2025
LSZ249-221715-
/O.EXT.KMQT.SC.Y.0013.250122T0903Z-250124T0000Z/
/O.CON.KMQT.UP.W.0002.000000T0000Z-250122T1200Z/
Marquette to Munising MI-
403 AM EST Wed Jan 22 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 PM EST THURSDAY...
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 7 AM EST
THIS MORNING...
* WHAT...For the Small Craft Advisory, west winds 15 to 25 kt
with gusts up to 30 kt and waves 7 to 10 ft occurring. 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.
* WHERE...Marquette to Munising MI.
* WHEN...For the Small Craft Advisory, until 7 PM EST Thursday.
For the Heavy Freezing Spray Warning, until 7 AM EST this
morning.
* 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
403 AM EST Wed Jan 22 2025
LSZ250-251-221715-
/O.EXT.KMQT.SC.Y.0013.250122T0903Z-250124T0000Z/
/O.CON.KMQT.UP.W.0002.000000T0000Z-250122T1200Z/
Munising to Grand Marais MI-Grand Marais to Whitefish Point MI-
403 AM EST Wed Jan 22 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 PM EST THURSDAY...
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 7 AM EST
THIS MORNING...
* WHAT...For the Small Craft Advisory, west winds 15 to 25 kt
with gusts up to 30 kt and waves 5 to 8 ft occurring. For the
Heavy Freezing Spray Warning, heavy freezing spray at a rate
of 2 cm per hour or greater occurring, and may rapidly
accumulate on vessels.
* WHERE...Munising to Grand Marais MI and Grand Marais to
Whitefish Point MI.
* WHEN...For the Small Craft Advisory, until 7 PM EST Thursday.
For the Heavy Freezing Spray Warning, until 7 AM EST this
morning.
* IMPACTS...Operating a vessel in heavy freezing spray is
hazardous. Freezing spray may render mechanical and electronic
components inoperative. Rapid ice accretion on decks and
superstructures may result in a catastrophic loss of
stability. Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should prepare for dangerous accumulation of ice on
their vessel. If possible, remain in port, avoid the warning area
or conduct mitigation.
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
403 AM EST Wed Jan 22 2025
LSZ264-265-221200-
/O.CON.KMQT.UP.W.0002.000000T0000Z-250122T1200Z/
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-
403 AM EST Wed Jan 22 2025
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 7 AM EST
THIS MORNING...
* WHAT...Heavy freezing spray at a rate of 2 cm per hour or
greater occurring, and may rapidly accumulate on vessels.
* WHERE...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 this morning.
* 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
403 AM EST Wed Jan 22 2025
LSZ248-221715-
/O.EXT.KMQT.SC.Y.0013.250122T0903Z-250124T0000Z/
/O.CON.KMQT.UP.W.0002.000000T0000Z-250122T1200Z/
Huron Islands to Marquette MI-
403 AM EST Wed Jan 22 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 PM EST THURSDAY...
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 7 AM EST
THIS MORNING...
* WHAT...For the Small Craft Advisory, west winds 15 to 25 kt
with gusts up to 30 kt and waves 6 to 9 ft occurring. For the
Heavy Freezing Spray Warning, heavy freezing spray at a rate
of 2 cm per hour or greater occurring, and may rapidly
accumulate on vessels.
* WHERE...Huron Islands to Marquette MI.
* WHEN...For the Small Craft Advisory, until 7 PM EST Thursday.
For the Heavy Freezing Spray Warning, until 7 AM EST this
morning.
* IMPACTS...Operating a vessel in heavy freezing spray is
hazardous. Freezing spray may render mechanical and electronic
components inoperative. Rapid ice accretion on decks and
superstructures may result in a catastrophic loss of
stability. Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should prepare for dangerous accumulation of ice on
their vessel. If possible, remain in port, avoid the warning area
or conduct mitigation.
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
403 AM EST Wed Jan 22 2025
LSZ266-267-221715-
/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-
403 AM EST Wed Jan 22 2025
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 1 PM EST
THIS AFTERNOON...
* 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 this afternoon.
* 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
239 AM EST Wed Jan 22 2025
LMZ844>849-221545-
/O.CON.KGRR.UP.W.0001.000000T0000Z-250122T2100Z/
/O.CON.KGRR.SC.Y.0005.000000T0000Z-250122T1000Z/
/O.CON.KGRR.GL.W.0002.250122T1000Z-250122T2100Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
Whitehall to Pentwater MI-Pentwater to Manistee MI-
239 AM EST Wed Jan 22 2025
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 4 PM EST
THIS AFTERNOON...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EST EARLY
THIS MORNING...
...GALE WARNING REMAINS IN EFFECT UNTIL 4 PM EST THIS AFTERNOON...
* WHAT...For the Heavy Freezing Spray Warning, heavy freezing
spray at a rate of up to one inch per hour may rapidly
accumulate on vessels. For the Small Craft Advisory, southwest
winds 20 to 25 knots with gusts up to 30 knots and waves 5 to
8 feet. For the Gale Warning, southwest winds 20 to 30 knots
with gusts up to 35 knots and waves 7 to 10 feet expected.
* WHERE...St Joseph to Manistee.
* WHEN...For the Heavy Freezing Spray Warning, until 4 PM EST
this afternoon. For the Small Craft Advisory, until 5 AM EST
early this morning. For the Gale Warning, until 4 PM EST this
afternoon.
* IMPACTS...Operating a vessel in heavy freezing spray is
hazardous. Freezing spray may render mechanical and electronic
components inoperative. Rapid ice accretion on decks and
superstructures may result in a catastrophic loss of
stability. Strong winds will cause hazardous waves which could
capsize or damage vessels and reduce visibility.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should prepare for dangerous accumulation of ice on
their vessel. If possible, remain in port, avoid the warning area
or conduct mitigation.
Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.
&&
$$
Thomas
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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
901 PM EST Tue Jan 21 2025
LHZ362-363-462>464-221515-
/O.CON.KDTX.UP.W.0001.000000T0000Z-250123T0300Z/
Lake Huron from Presque Isle Light to Sturgeon Point MI beyond
5NM off shore-
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off
shore-
Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore-
Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore-
Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore-
901 PM EST Tue Jan 21 2025
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 10 PM EST
WEDNESDAY...
* WHAT...Heavy freezing spray at a rate of 2 cm per hour or
greater may rapidly accumulate on vessels.
* WHERE...Lake Huron from Presque Isle Light to Sturgeon Point
MI beyond 5NM off shore, Lake Huron from Sturgeon Point to
Alabaster MI beyond 5NM off shore, Lake Huron from Port Austin
to Harbor Beach beyond 5NM Off Shore, Lake Huron from Harbor
Beach to Port Sanilac beyond 5NM Off Shore and Lake Huron from
Port Sanilac to Port Huron beyond 5NM Off Shore.
* WHEN...The maximum winds are expected around 2 PM EST
Wednesday with the largest waves expected around 3 PM EST
Wednesday.
* IMPACTS...Operating a vessel in heavy freezing spray is
hazardous. Freezing spray may render mechanical and electronic
components inoperative. Rapid ice accretion on decks and
superstructures may result in a catastrophic loss of stability.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should prepare for dangerous accumulation of ice on
their vessel. If possible, remain in port, avoid the warning area
or conduct mitigation.
&&
$$