633
WHUS73 KGRR 040757
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
357 AM EDT Thu Sep 4 2025

LMZ844>849-042000-
/O.CON.KGRR.SC.Y.0077.000000T0000Z-250905T0600Z/
/O.UPG.KGRR.GL.A.0009.250905T0600Z-250905T1800Z/
/O.NEW.KGRR.GL.W.0018.250905T0600Z-250905T1500Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
Whitehall to Pentwater MI-Pentwater to Manistee MI-
357 AM EDT Thu Sep 4 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT FRIDAY...
...GALE WARNING IN EFFECT FROM 2 AM TO 11 AM EDT FRIDAY...

* WHAT...For the Small Craft Advisory, west winds 10 to 20 knots
  and waves 2 to 5 feet. For the Gale Warning, southwest winds
  20 to 30 knots with gusts up to 40 knots and waves 7 to 12
  feet expected.

* WHERE...St Joseph to Manistee.

* WHEN...For the Small Craft Advisory, until 2 AM EDT Friday.
  For the Gale Warning, from 2 AM to 11 AM EDT Friday.

* IMPACTS...Strong winds will cause hazardous 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.

&&

$$