FZUS73 KGRR 160406 MWSGRR Marine Weather Statement National Weather Service Grand Rapids MI 1206 AM EDT Thu Apr 16 2026 LMZ845>847-872-874-876-160415- /O.EXP.KGRR.MA.W.0018.000000T0000Z-260416T0415Z/ 1206 AM EDT Thu Apr 16 2026 ...THE SPECIAL MARINE WARNING WILL EXPIRE AT 1215 AM EDT... The affected areas were... Nearshore and Open Waters from South Haven to Whitehall MI... The thunderstorms have weakened and are producing winds to around 30 knots. The Special Marine Warning will expire. LAT...LON 4241 8628 4244 8636 4246 8702 4283 8707 4328 8637 4308 8625 4292 8621 4269 8621 TIME...MOT...LOC 0405Z 270DEG 36KT 4314 8580 4272 8616 $$ CAS