Marine Weather Message
Issued by NWS Detroit/Pontiac, MI

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046
WHUS73 KDTX 242052
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
352 PM EST Mon Nov 24 2025

LHZ361-362-250900-
/O.CON.KDTX.GL.A.0019.251126T1500Z-251128T1200Z/
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
Lake Huron from Presque Isle Light to Sturgeon Point MI beyond
5NM off shore-
352 PM EST Mon Nov 24 2025

...GALE WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH
FRIDAY MORNING...

* WHAT...Expect sustained winds up to 38 knots from the west
  with gusts up to 41 knots. The largest significant waves will
  be 16 feet with a potential maximum wave height of 23 feet.

* WHERE...Lake Huron from 5NM east of Mackinac Bridge to Presque
  Isle Lt beyond 5 NM off shore and Lake Huron from Presque Isle
  Light to Sturgeon Point MI beyond 5NM off shore.

* WHEN...The maximum winds are expected around 7 PM EST Thursday
  with the largest waves expected around 8 PM EST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LHZ363-462-250900-
/O.CON.KDTX.GL.A.0019.251126T1200Z-251128T1500Z/
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off
shore-
Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore-
352 PM EST Mon Nov 24 2025

...GALE WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH
FRIDAY MORNING...

* WHAT...Expect sustained winds up to 40 knots from the west
  with gusts up to 46 knots. The largest significant waves will
  be 18 feet with a potential maximum wave height of 26 feet.

* WHERE...Lake Huron from Sturgeon Point to Alabaster MI beyond
  5NM off shore and Lake Huron from Port Austin to Harbor Beach
  beyond 5NM Off Shore.

* WHEN...The maximum winds are expected around 7 PM EST Thursday
  with the largest waves expected around 8 PM EST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LHZ421-422-441-250900-
/O.CON.KDTX.GL.A.0019.251126T1200Z-251128T1500Z/
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-
Port Austin to Harbor Beach MI-
352 PM EST Mon Nov 24 2025

...GALE WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH
FRIDAY MORNING...

* WHAT...Expect sustained winds up to 38 knots from the west
  with gusts up to 46 knots. The largest significant waves will
  be 10 feet with a potential maximum wave height of 14 feet.

* WHERE...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 and Port Austin to Harbor Beach MI.

* WHEN...The maximum winds are expected around 6 PM EST
  Wednesday with the largest waves expected around 9 PM EST
  Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LHZ442-443-463-464-250900-
/O.CON.KDTX.GL.A.0019.251126T1200Z-251128T1500Z/
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore-
Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore-
352 PM EST Mon Nov 24 2025

...GALE WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH
FRIDAY MORNING...

* WHAT...Expect sustained winds up to 38 knots from the west
  with gusts up to 45 knots. The largest significant waves will
  be 15 feet with a potential maximum wave height of 22 feet.

* WHERE...Harbor Beach to Port Sanilac MI, Port Sanilac to Port
  Huron MI, 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 10 PM EST
  Wednesday with the largest waves expected around 9 PM EST
  Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LCZ460-LEZ444-250900-
/O.CON.KDTX.GL.A.0019.251126T1200Z-251128T0600Z/
Lake St Clair-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
352 PM EST Mon Nov 24 2025

...GALE WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH
LATE THURSDAY NIGHT...

* WHAT...Expect sustained winds up to 33 knots from the west
  with gusts up to 40 knots. The largest significant waves will
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...In Lake St Clair, Lake St Clair. In Lake Erie,
  Michigan Waters of Lake Erie from Detroit River to North Cape
  MI.

* WHEN...The maximum winds are expected around 7 PM EST
  Wednesday with the largest waves expected around 8 PM EST
  Wednesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$