WHUS73 KAPX 190524

MWWAPX



URGENT - MARINE WEATHER MESSAGE

National Weather Service Gaylord MI

124 AM EDT Sun Apr 19 2026



LHZ345>349-LMZ323-341-342-344>346-LSZ321-322-192000-

/O.CON.KAPX.SC.Y.0028.000000T0000Z-260420T0900Z/

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-

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-

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

St. Marys River Point Iroquois to E. Potagannissing Bay-

124 AM EDT Sun Apr 19 2026



...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EDT MONDAY...



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

  highest waves around 8 feet.



* WHERE...Portions of Lake Huron, Lake Michigan and Lake 

  Superior. 



* WHEN...Until 5 AM EDT Monday.



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



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Inexperienced mariners, especially those operating smaller

vessels, should avoid navigating in hazardous conditions.



&&



$$