Marine Weather Message
Issued by NWS Marquette, MI

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404
WHUS73 KMQT 281625
MWWMQT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
1125 AM EST Fri Feb 28 2025

LSZ162-010030-
/O.CON.KMQT.GL.W.0015.000000T0000Z-250301T0000Z/
/O.CON.KMQT.UP.W.0015.250301T0000Z-250301T1200Z/
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
1125 AM EST Fri Feb 28 2025 /1025 AM CST Fri Feb 28 2025/

...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST /6 PM CST/ THIS
EVENING...
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT FROM 7 PM EST
/6 PM CST/ THIS EVENING TO 7 AM EST /6 AM CST/ SATURDAY...

* WHAT...For the Gale Warning, north winds 20 to 30 kt with
  gusts up to 45 kt and waves 7 to 10 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 Superior west of a line from Saxon Harbor WI to
  Grand Portage MN beyond 5NM.

* WHEN...For the Gale Warning, from 11 AM EST /10 AM CST/ this
  morning to 7 PM EST /6 PM CST/ this evening. For the Heavy
  Freezing Spray Warning, from 7 PM EST /6 PM CST/ this evening
  to 7 AM EST /6 AM CST/ Saturday.

* 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.

&&

$$

LSZ240>242-263-010030-
/O.CON.KMQT.GL.W.0015.000000T0000Z-250301T0600Z/
/O.CON.KMQT.UP.W.0015.000000T0000Z-250301T1200Z/
Saxon Harbor WI to Black River MI-Black River to Ontonagon MI-
Ontonagon to Upper Entrance of Portage Canal MI-
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-
1125 AM EST Fri Feb 28 2025 /1025 AM CST Fri Feb 28 2025/

...GALE WARNING REMAINS IN EFFECT UNTIL 1 AM EST /MIDNIGHT CST/
SATURDAY...
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 7 AM EST
/6 AM CST/ SATURDAY...

* WHAT...For the Small Craft Advisory, south winds 15 to 25 kt
  with gusts up to 30 kt and waves 3 to 6 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. For the Gale Warning, north winds 25 to
  35 kt with gusts up to 45 kt and waves 11 to 16 ft expected.

* WHERE...Saxon Harbor WI to Black River MI, Black River to
  Ontonagon MI and Ontonagon to Upper Entrance of Portage Canal
  MI.

* WHEN...For the Small Craft Advisory, until 10 AM EST /9 AM
  CST/ this morning. For the Heavy Freezing Spray Warning, from
  10 AM EST /9 AM CST/ this morning to 7 AM EST /6 AM CST/
  Saturday. For the Gale Warning, from 10 AM EST /9 AM CST/ this
  morning to 1 AM EST /midnight CST/ Saturday.

* 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.

&&

$$

LSZ245>248-265-010030-
/O.CON.KMQT.GL.W.0015.000000T0000Z-250301T0600Z/
/O.CON.KMQT.UP.W.0015.250228T1700Z-250301T1800Z/
Manitou Island to Point Isabelle MI-
Point Isabelle to Lower Entrance of Portage Canal MI-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-Huron Islands to Marquette MI-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
1125 AM EST Fri Feb 28 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 1 AM EST SATURDAY...
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 1 PM EST
SATURDAY...

* WHAT...For the Small Craft Advisory, south winds 15 to 25 kt
  with gusts up to 35 kt and waves 2 to 5 ft occurring. For the
  Gale Warning, northwest winds 25 to 35 kt with gusts up to 45
  kt and waves 9 to 14 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...Manitou Island to Point Isabelle MI, Point Isabelle to
  Lower Entrance of Portage Canal MI, Lower Entrance of Portage
  Canal To Huron Islands MI Including Keweenaw and Huron Bays
  and Huron Islands to Marquette MI.

* WHEN...For the Small Craft Advisory, until 7 AM EST this
  morning. For the Gale Warning, from 7 AM this morning to 1 AM
  EST Saturday. For the Heavy Freezing Spray Warning, from noon
  today to 1 PM EST Saturday.

* 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.

&&

$$

LSZ243-244-249>251-264-266-267-010030-
/O.CON.KMQT.GL.W.0015.000000T0000Z-250301T0900Z/
/O.CON.KMQT.UP.W.0015.000000T0000Z-250302T0000Z/
Upper Entrance of Portage Canal to Eagle River MI-
Eagle River to Manitou Island MI-Marquette to Munising MI-
Munising to Grand Marais MI-Grand Marais to Whitefish Point MI-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
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-
1125 AM EST Fri Feb 28 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 4 AM EST SATURDAY...
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 7 PM EST
SATURDAY...

* WHAT...For the Small Craft Advisory, south winds 15 to 25 kt
  with gusts up to 35 kt and waves 1 to 4 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. For the Gale Warning, north winds 25 to
  35 kt with gusts up to 45 kt and waves 11 to 16 ft expected.

* WHERE...Upper Entrance of Portage Canal to Eagle River MI,
  Eagle River to Manitou Island MI, Marquette to Munising MI,
  Munising to Grand Marais MI and Grand Marais to Whitefish
  Point MI.

* WHEN...For the Small Craft Advisory, until 7 AM EST this
  morning. For the Heavy Freezing Spray Warning, from 7 AM this
  morning to 7 PM EST Saturday. For the Gale Warning, from 7 AM
  this morning to 4 AM EST Saturday.

* 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.

&&

$$

LMZ248-250-010030-
/O.CON.KMQT.GL.W.0015.000000T0000Z-250301T0600Z/
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
1125 AM EST Fri Feb 28 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 1 AM EST SATURDAY...

* WHAT...West winds 20 to 30 kt with gusts up to 45 kt and waves
  7 to 10 ft expected.

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

* WHEN...From 7 AM this morning to 1 AM EST Saturday.

* IMPACTS...Strong winds will cause hazardous waves which could
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

LMZ221-010030-
/O.CON.KMQT.GL.W.0015.250228T2100Z-250301T0600Z/
Green Bay North of line from Cedar River MI to Rock Island
Passage-
1125 AM EST Fri Feb 28 2025

...GALE WARNING REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO
1 AM EST SATURDAY...

* WHAT...Northwest winds 20 to 30 kt with gusts up to 40 kt and
  waves 1 foot or less expected.

* WHERE...Green Bay North of line from Cedar River MI to Rock
  Island Passage.

* WHEN...From 4 PM this afternoon to 1 AM EST Saturday.

* IMPACTS...Strong winds will cause hazardous waves which could
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$