WHUS73 KAPX 160130
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
930 PM EDT Thu Oct 15 2026

LMZ323-341-342-344>346-160930-
/O.CON.KAPX.GL.W.0018.261016T1500Z-261017T0300Z/
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-
930 PM EDT Thu Oct 15 2026

...GALE WARNING REMAINS IN EFFECT FROM 11 AM TO 11 PM EDT
FRIDAY...

* WHAT...Highest gusts up to 45 kts from the north and highest 
  waves around 11 feet expected.

* WHERE...Portions of Lake Michigan. 

* WHEN...From 11 AM to 11 PM EDT Friday.

* 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>349-160930-
/O.CON.KAPX.GL.W.0018.261016T1700Z-261017T0800Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-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-
930 PM EDT Thu Oct 15 2026

...GALE WARNING REMAINS IN EFFECT FROM 1 PM FRIDAY TO 4 AM EDT
SATURDAY...

* WHAT...Highest gusts up to 40 kts from the north and highest 
  waves around 10 feet expected.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, 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...From 1 PM Friday to 4 AM EDT Saturday.

* 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.

&&

$$

LSZ321-160930-
/O.CON.KAPX.GL.W.0018.261016T1500Z-261017T0300Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
930 PM EDT Thu Oct 15 2026

...GALE WARNING REMAINS IN EFFECT FROM 11 AM TO 11 PM EDT
FRIDAY...

* WHAT...Highest gusts up to 40 kts from the north and highest 
  waves around 11 feet expected.

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

* WHEN...From 11 AM to 11 PM EDT Friday.

* 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.

&&

$$

LSZ322-160930-
/O.CON.KAPX.SC.Y.0093.261016T1500Z-261017T0300Z/
St. Marys River Point Iroquois to E. Potagannissing Bay-
930 PM EDT Thu Oct 15 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 11 PM EDT
FRIDAY...

* WHAT...Highest gusts up to 25 kts from the north and highest 
  waves around 5 feet expected.

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

* WHEN...From 11 AM to 11 PM EDT Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$