WHUS73 KAPX 041823

MWWAPX



URGENT - MARINE WEATHER MESSAGE

National Weather Service Gaylord MI

223 PM EDT Tue Aug 4 2026



LMZ323-341-342-344>346-050300-

/O.CON.KAPX.SC.Y.0066.000000T0000Z-260805T0300Z/

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-

223 PM EDT Tue Aug 4 2026



...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT THIS

EVENING...



* WHAT...Highest gusts up to 25 kts from the southwest and 

  highest waves around 5 feet.



* WHERE...Portions of Lake Michigan. 



* WHEN...Until 11 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.



&&



$$



LHZ345-050000-

/O.CON.KAPX.SC.Y.0066.000000T0000Z-260805T0000Z/

Straits of Mackinac within 5 nm of Mackinac Bridge including

Mackinac Island-

223 PM EDT Tue Aug 4 2026



...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS

EVENING...



* WHAT...Highest gusts up to 25 kts from the west and highest 

  waves around 3 feet.



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

  including Mackinac Island.



* WHEN...Until 8 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.



&&



$$



LHZ348-349-050300-

/O.CON.KAPX.SC.Y.0066.000000T0000Z-260805T0300Z/

Presque Isle Light to Sturgeon Pt MI Including Thunder Bay

National Marine Sanctuary-Sturgeon Pt to Alabaster MI-

223 PM EDT Tue Aug 4 2026



...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT THIS

EVENING...



* WHAT...Highest gusts up to 30 kts from the south and highest 

  waves around 4 feet.



* WHERE...Presque Isle Light to Sturgeon Pt MI Including Thunder 

  Bay National Marine Sanctuary and Sturgeon Pt to Alabaster MI.



* WHEN...Until 11 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.



&&



$$