559
WHUS73 KGRR 041946
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
246 PM EST Thu Dec 4 2025

LMZ849-050500-
/O.CAN.KGRR.SC.Y.0105.000000T0000Z-251205T0000Z/
/O.CON.KGRR.GL.W.0029.251205T0300Z-251205T1500Z/
Pentwater to Manistee MI-
246 PM EST Thu Dec 4 2025

...GALE WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO
10 AM EST FRIDAY...
...SMALL CRAFT ADVISORY IS CANCELLED...

* WHAT...Southwest winds 25 to 35 knots and waves 6 to 11 feet
  expected.

* WHERE...Pentwater to Manistee MI.

* WHEN...From 10 PM this evening to 10 AM EST 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.

&&

$$

LMZ844>848-050500-
/O.CAN.KGRR.SC.Y.0105.000000T0000Z-251205T0000Z/
/O.NEW.KGRR.SC.Y.0106.251205T0300Z-251207T0000Z/
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-
246 PM EST Thu Dec 4 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 7 PM
EST SATURDAY...
...SMALL CRAFT ADVISORY IS CANCELLED...

* WHAT...Southwest winds 20 to 30 knots with occasional gusts up
  to 35 knots and waves 7 to 10 feet expected.

* WHERE...St Joseph to Pentwater.

* WHEN...From 10 PM this evening to 7 PM EST Saturday.

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


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$