WHUS73 KGRR 040621

MWWGRR



URGENT - MARINE WEATHER MESSAGE

National Weather Service Grand Rapids MI

221 AM EDT Mon May 4 2026



LMZ846>849-041430-

/O.EXP.KGRR.SC.Y.0028.000000T0000Z-260504T0600Z/

/O.NEW.KGRR.SC.Y.0029.260504T1600Z-260505T0300Z/

Holland to Grand Haven MI-Grand Haven to Whitehall MI-

Whitehall to Pentwater MI-Pentwater to Manistee MI-

221 AM EDT Mon May 4 2026



...SMALL CRAFT ADVISORY IN EFFECT FROM NOON TODAY TO 11 PM EDT

THIS EVENING...

...SMALL CRAFT ADVISORY HAS EXPIRED...



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

  knots and waves 3 to 5 feet expected.



* WHERE...Holland to Manistee.



* WHEN...From noon today to 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.



&&



$$



LMZ844-845-041430-

/O.NEW.KGRR.SC.Y.0029.260504T1600Z-260505T0300Z/

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

221 AM EDT Mon May 4 2026



...SMALL CRAFT ADVISORY IN EFFECT FROM NOON TODAY TO 11 PM EDT

THIS EVENING...



* WHAT...Southwest winds 10 to 15 knots with gusts up to 25 

  knots and waves 2 to 3 feet expected.



* WHERE...St Joseph to Holland.



* WHEN...From noon today to 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.



&&



$$