409
WHUS73 KGRR 311937
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
337 PM EDT Thu Jul 31 2025

LMZ844-010345-
/O.EXB.KGRR.SC.Y.0067.000000T0000Z-250801T0900Z/
St Joseph to South Haven MI-
337 PM EDT Thu Jul 31 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EDT FRIDAY...

* WHAT...Northeast winds 10 to 15 knots with gusts up to 20
  knots and waves 2 to 5 feet.

* WHERE...St Joseph to South Haven MI.

* WHEN...Until 5 AM EDT Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ848-849-010345-
/O.CON.KGRR.SC.Y.0067.000000T0000Z-250801T0400Z/
Whitehall to Pentwater MI-Pentwater to Manistee MI-
337 PM EDT Thu Jul 31 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT
TONIGHT...

* WHAT...North winds 15 to 25 knots with gusts up to 30 knots
  and waves 2 to 5 feet.

* WHERE...Whitehall to Manistee.

* WHEN...Until midnight EDT tonight.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$