Gale Warning

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
335 AM EDT Mon Apr 21 2025

LMZ844>849-211545-
/O.CON.KGRR.SC.Y.0045.000000T0000Z-250421T1200Z/
/O.CON.KGRR.GL.W.0016.250421T1200Z-250422T0000Z/
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-
335 AM EDT Mon Apr 21 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS
MORNING...
...GALE WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 8 PM
EDT THIS EVENING...

* WHAT...For the Small Craft Advisory, southeast winds 15 to 25
  knots with gusts up to 30 knots and waves 2 to 3 feet. For the
  Gale Warning, southwest winds 15 to 25 knots with gusts up to
  35 knots and waves 5 to 8 feet expected.

* WHERE...St Joseph to Manistee.

* WHEN...For the Small Craft Advisory, until 8 AM EDT this
  morning. For the Gale Warning, from 8 AM this morning to 8 PM
  EDT this evening.

* 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.

&&

$$

Thomas

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
500 AM CDT Mon Apr 21 2025

LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-211800-
/O.EXT.KMKX.GL.W.0020.250421T1000Z-250422T0000Z/
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-
500 AM CDT Mon Apr 21 2025

...GALE WARNING NOW IN EFFECT UNTIL 7 PM CDT THIS EVENING...

* WHAT...Southwest winds 15 to 25 kt with gusts up to 35 kt and
  waves 6 to 9 ft.

* 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...Until 7 PM CDT this evening.

* 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 severe conditions.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
500 AM CDT Mon Apr 21 2025

LMZ261-362-364-366-563-565-211800-
/O.EXB.KMKX.GL.W.0020.250421T1000Z-250422T0000Z/
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-
500 AM CDT Mon Apr 21 2025

...GALE WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING...

* WHAT...South winds 15 to 25 kt with gusts up to 35 kt and
  waves 5 to 8 ft.

* 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...Until 7 PM CDT this evening.

* 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 severe conditions.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Northern Indiana
336 AM EDT Mon Apr 21 2025

LMZ043-046-211545-
/O.EXT.KIWX.GL.W.0011.000000T0000Z-250422T0000Z/
New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI-
336 AM EDT Mon Apr 21 2025

...GALE WARNING NOW IN EFFECT UNTIL 8 PM EDT THIS EVENING...

* WHAT...Southwest winds 15 to 20 knots with gusts up to 35
  knots and waves 2 to 5 feet.

* WHERE...Michigan City IN to St Joseph MI.

* WHEN...Until 8 PM EDT this evening.

* 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.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
309 AM EDT Mon Apr 21 2025

LHZ421-422-212030-
/O.EXT.KDTX.SC.Y.0034.250421T1200Z-250421T1800Z/
/O.NEW.KDTX.GL.W.0018.250421T1800Z-250422T0200Z/
/O.NEW.KDTX.SC.Y.0035.250422T0200Z-250422T1400Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
309 AM EDT Mon Apr 21 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 8 AM THIS MORNING TO
2 PM EDT THIS AFTERNOON...
...GALE WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 10 PM EDT
THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO
10 AM EDT TUESDAY...

* WHAT...During the first Small Craft Advisory, expect sustained
  winds up to 17 knots from the southeast with gusts up to 30
  knots. The largest significant waves will be 3 feet with a
  potential maximum wave height of 4 feet. During the Gale
  Warning, expect sustained winds up to 23 knots from the
  southwest with gusts up to 36 knots. The largest significant
  waves will be 4 feet with a potential maximum wave height of 5
  feet. During the second Small Craft Advisory, expect sustained
  winds up to 22 knots from the west with gusts up to 32 knots.
  The largest significant waves will be 4 feet with a potential
  maximum wave height of 5 feet.

* WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to
  Inner Saginaw Bay and Inner Saginaw Bay SW of Point Au Gres to
  Bay Port MI.

* WHEN...During the Small Craft Advisory, the maximum winds are
  expected around 10 AM EDT Monday with the largest waves
  expected around 11 AM EDT Monday. During the Gale Warning, the
  maximum winds are expected around 7 PM EDT Monday with the
  largest waves expected around 8 PM EDT Monday. During the
  Small Craft Advisory, the maximum winds are expected around 10
  PM EDT Monday with the largest waves expected around 10 PM EDT
  Monday.

* 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.

&&

$$