Marine Weather Message
Issued by NWS Gaylord, MI

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127
WHUS73 KAPX 151818
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
218 PM EDT Tue Sep 15 2026

LMZ323-341-342-344>346-160200-
/O.CON.KAPX.GL.W.0016.000000T0000Z-260915T2100Z/
/O.CON.KAPX.SC.Y.0080.260915T2100Z-260916T0200Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
218 PM EDT Tue Sep 15 2026

...GALE WARNING REMAINS IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* WHAT...For the Gale Warning, Highest gusts up to 35 kts from the
  southwest and highest waves around 9 feet. For the Small Craft
  Advisory, Highest gusts up to 30 kts from the west and highest
  waves around 7 feet expected.

* WHERE...Portions of Lake Michigan.

* WHEN...For the Gale Warning, until 5 PM EDT this afternoon.
  For the Small Craft Advisory, until 10 PM EDT this evening.

* IMPACTS...Strong winds will cause hazardous highest 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.

&&

$$

LHZ345-160200-
/O.CON.KAPX.GL.W.0016.000000T0000Z-260915T2100Z/
/O.CON.KAPX.SC.Y.0080.260915T2100Z-260916T0200Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
218 PM EDT Tue Sep 15 2026

...GALE WARNING REMAINS IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* WHAT...For the Gale Warning, Highest gusts up to 35 kts from
  the southwest and highest waves around 4 feet. For the Small
  Craft Advisory, Highest gusts up to 30 kts from the west and
  highest waves around 4 feet expected.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge
  including Mackinac Island.

* WHEN...For the Gale Warning, until 5 PM EDT this afternoon.
  For the Small Craft Advisory, until 10 PM EDT this evening.

* IMPACTS...Strong winds will cause hazardous highest 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.

&&

$$

LHZ346>349-160200-
/O.CON.KAPX.GL.W.0016.000000T0000Z-260915T2100Z/
/O.CON.KAPX.SC.Y.0080.260915T2100Z-260916T0200Z/
St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
218 PM EDT Tue Sep 15 2026

...GALE WARNING REMAINS IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* WHAT...For the Gale Warning, Highest gusts up to 35 kts from
  the southwest and highest waves around 8 feet. For the Small
  Craft Advisory, Highest gusts up to 30 kts from the west and
  highest waves around 6 feet expected.

* WHERE...St Ignace to False Detour Channel, 5NM East of
  Mackinac Bridge to Presque Isle Light MI including Bois Blanc
  Island, Presque Isle Light to Sturgeon Pt MI Including Thunder
  Bay National Marine Sanctuary and Sturgeon Pt to Alabaster MI.

* WHEN...For the Gale Warning, until 5 PM EDT this afternoon.
  For the Small Craft Advisory, until 10 PM EDT this evening.

* IMPACTS...Strong winds will cause hazardous highest 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.

&&

$$

LSZ321-160230-
/O.CON.KAPX.SC.Y.0080.000000T0000Z-260916T0600Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
218 PM EDT Tue Sep 15 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT
WEDNESDAY...

* WHAT...Highest gusts up to 30 kts from the west and highest
  waves around 7 feet.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point
  Iroquois MI.

* WHEN...Until 2 AM EDT Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ322-160200-
/O.CON.KAPX.SC.Y.0080.000000T0000Z-260916T0200Z/
St. Marys River Point Iroquois to E. Potagannissing Bay-
218 PM EDT Tue Sep 15 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* WHAT...Highest gusts up to 25 kts from the west and highest
  waves around 3 feet.

* WHERE...St. Marys River Point Iroquois to E. Potagannissing
  Bay.

* WHEN...Until 10 PM EDT this evening.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$