WHUS73 KGRR 211615

MWWGRR



URGENT - MARINE WEATHER MESSAGE

National Weather Service Grand Rapids MI

1215 PM EDT Sat Mar 21 2026



LMZ847>849-220015-

/O.NEW.KGRR.SC.Y.0011.260322T1200Z-260323T0900Z/

Grand Haven to Whitehall MI-Whitehall to Pentwater MI-

Pentwater to Manistee MI-

1215 PM EDT Sat Mar 21 2026



...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM SUNDAY TO 5 AM EDT

MONDAY...



* WHAT...North winds 15 to 25 knots and waves 3 to 6 feet 

  expected.



* WHERE...Grand Haven to Manistee.



* WHEN...From 8 AM Sunday to 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.



&&



$$



LMZ844>846-220015-

/O.NEW.KGRR.SC.Y.0011.260322T1800Z-260323T1500Z/

St Joseph to South Haven MI-South Haven to Holland MI-

Holland to Grand Haven MI-

1215 PM EDT Sat Mar 21 2026



...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM SUNDAY TO 11 AM EDT

MONDAY...



* WHAT...North winds 10 to 20 knots with gusts up to 30 knots 

  and waves 4 to 7 feet expected.



* WHERE...St Joseph to Grand Haven.



* WHEN...From 2 PM Sunday to 11 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.



&&



$$