


Marine Weather Message
Issued by NWS Grand Rapids, MI
Issued by NWS Grand Rapids, MI
481 WHUS73 KGRR 161950 MWWGRR URGENT - MARINE WEATHER MESSAGE National Weather Service Grand Rapids MI 350 PM EDT Wed Jul 16 2025 LMZ844>849-170400- /O.CON.KGRR.SC.Y.0065.250717T0600Z-250718T0600Z/ 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- 350 PM EDT Wed Jul 16 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 AM THURSDAY TO 2 AM EDT FRIDAY... * WHAT...Winds becoming northwest and then north tonight increasing to 15 to 30 knots. Waves will build to 4 to 7 feet overnight and continue at those heights through Thursday. * WHERE...St Joseph to Manistee. * WHEN...From 2 AM Thursday to 2 AM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. * ADDITIONAL DETAILS...Low pressure will sweep through the area tonight with northerly winds increasing in the wake of the low over Lake Michigan. Waves will build to 4 to 7 feet by Thursday morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ DUKE