653 FZUS73 KDTX 140307 MWSDTX Marine Weather Statement National Weather Service Detroit/Pontiac MI 1107 PM EDT Mon Apr 13 2026 LHZ442-443-463-464-140400- 1107 PM EDT Mon Apr 13 2026 ...STRONG THUNDERSTORMS APPROACHING THE WATERS... The areas affected include... Harbor Beach to Port Sanilac MI... Lake Huron from Harbor Beach to Port Sanilac 5NM Off Shore to US/Canadian border... Lake Huron from Port Sanilac to Port Huron 5NM Off Shore to US/Canadian border... Port Sanilac to Port Huron MI... At 1107 PM EDT, Doppler radar indicated strong thunderstorms, capable of producing winds up to 30 knots. These thunderstorms were located along a line extending from 13 nm southeast of Sebewaing to 12 nm west of Lexington to near Lakeport, moving northeast at 30 knots. strong thunderstorms will be near... Lakeport around 1110 PM EDT. Lexington around 1115 PM EDT. Port Sanilac around 1125 PM EDT. Richmondville around 1135 PM EDT. Other locations impacted by strong thunderstorms include Richmondville. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect gusty winds up to 30 knots, locally higher waves, and lightning strikes. Boaters should seek safe harbor immediately until these storms pass. These strong thunderstorms will likely produce winds up to 30 knots, and could pose a serious hazard for boaters. A special marine warning may eventually be required when these strong thunderstorms reaches the nearshore waters. Boaters should consider heading for shore before these strong thunderstorms arrives. && LAT...LON 4299 8243 4322 8256 4363 8263 4377 8216 4359 8212 $$ MV  775 FZUS73 KGRR 140309 MWSGRR Marine Weather Statement National Weather Service Grand Rapids MI 1109 PM EDT Mon Apr 13 2026 LMZ870-140319- /O.CAN.KGRR.MA.W.0012.000000T0000Z-260414T0400Z/ 1109 PM EDT Mon Apr 13 2026 ...THE SPECIAL MARINE WARNING IS CANCELLED... The affected areas were... Open Waters from Whitehall to Pentwater MI... The thunderstorm has moved out of the warned area and no longer poses a significant threat to boaters. A Severe Thunderstorm Watch remains in effect until 500 AM EDT for west central Michigan...and the adjacent waters of Lake Michigan. LAT...LON 4412 8643 4406 8652 4402 8651 4397 8646 4386 8644 4378 8660 4381 8687 4422 8637 TIME...MOT...LOC 0309Z 228DEG 35KT 4388 8664 $$ LMZ849-868-140400- /O.CON.KGRR.MA.W.0012.000000T0000Z-260414T0400Z/ 1109 PM EDT Mon Apr 13 2026 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EDT... For the following areas... Nearshore and Open Waters from Pentwater to Manistee MI... At 1109 PM EDT, a severe thunderstorm was located near Ludington Light, moving northeast at 35 knots. HAZARD...Wind gusts 34 knots or greater and large hail. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Large hail could result in structural damage. Locations impacted include... Ludington Light. PRECAUTIONARY/PREPAREDNESS ACTIONS... Boaters should seek safe harbor immediately until this storm passes. Wind gusts 34 knots or greater, large hail, high waves, dangerous lightning, and heavy rain are possible with this storm. && LAT...LON 4412 8643 4406 8652 4402 8651 4397 8646 4386 8644 4378 8660 4381 8687 4422 8637 TIME...MOT...LOC 0309Z 228DEG 35KT 4388 8664 HAIL...>.75IN WIND...>34KTS $$ THOMAS  970 FZUS73 KDTX 140327 MWSDTX Marine Weather Statement National Weather Service Detroit/Pontiac MI 1127 PM EDT Mon Apr 13 2026 LHZ421-422-441-442-462-463-140445- /O.CON.KDTX.MA.W.0006.000000T0000Z-260414T0445Z/ 1127 PM EDT Mon Apr 13 2026 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 1245 AM EDT... For the following areas... Harbor Beach to Port Sanilac MI... Inner Saginaw Bay SW of Point Au Gres to Bay Port MI... Lake Huron from Harbor Beach to Port Sanilac 5NM Off Shore to US/Canadian border... Lake Huron from Port Austin to Harbor Beach 5NM Off Shore to the US/Canadian border... Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay... Port Austin to Harbor Beach MI... At 1127 PM EDT, severe thunderstorms were located along a line extending from White Stone Point to near Caseville to 19 nm southwest of Harbor Beach, moving northeast at 25 knots. HAZARD...Wind gusts 34 knots or greater and large hail. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Large hail could result in structural damage. severe thunderstorms will be near... Caseville around 1130 PM EDT. Port Austin around 1150 PM EDT. Port Hope and Harbor Beach around 1205 AM EDT. Other locations impacted by severe thunderstorms include White Rock and Bay Port. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && LAT...LON 4418 8226 4377 8216 4363 8263 4378 8266 4398 8279 4404 8292 4398 8305 4395 8324 4376 8341 4399 8375 4399 8368 4405 8366 4405 8358 4419 8356 TIME...MOT...LOC 0327Z 221DEG 23KT 4409 8361 4388 8326 4365 8301 HAIL...>.75IN WIND...>34KTS $$ MV  244 FZUS73 KGRR 140327 MWSGRR Marine Weather Statement National Weather Service Grand Rapids MI 1127 PM EDT Mon Apr 13 2026 LMZ868-140337- /O.CAN.KGRR.MA.W.0012.000000T0000Z-260414T0400Z/ 1127 PM EDT Mon Apr 13 2026 ...THE SPECIAL MARINE WARNING IS CANCELLED... The affected areas were... Open Waters from Pentwater to Manistee MI... The thunderstorm has moved out of the warned area and no longer poses a significant threat to boaters. A Severe Thunderstorm Watch remains in effect until 500 AM EDT for west central Michigan...and the adjacent waters of Lake Michigan. LAT...LON 4422 8637 4412 8643 4406 8652 4402 8651 4397 8646 4386 8644 4382 8651 4394 8654 4400 8659 4403 8660 TIME...MOT...LOC 0327Z 228DEG 35KT 4400 8646 $$ LMZ849-140400- /O.CON.KGRR.MA.W.0012.000000T0000Z-260414T0400Z/ 1127 PM EDT Mon Apr 13 2026 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EDT... For the following areas... Nearshore Waters from Pentwater to Manistee MI... At 1127 PM EDT, a severe thunderstorm was located over Ludington Light, moving northeast at 35 knots. HAZARD...Wind gusts 34 knots or greater and large hail. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Large hail could result in structural damage. Locations impacted include... Ludington Light. PRECAUTIONARY/PREPAREDNESS ACTIONS... Boaters should seek safe harbor immediately until this storm passes. Wind gusts 34 knots or greater, large hail, high waves, dangerous lightning, and heavy rain are possible with this storm. && LAT...LON 4422 8637 4412 8643 4406 8652 4402 8651 4397 8646 4386 8644 4382 8651 4394 8654 4400 8659 4403 8660 TIME...MOT...LOC 0327Z 228DEG 35KT 4400 8646 HAIL...>.75IN WIND...>34KTS $$ THOMAS  999 FZUS71 KCLE 140330 MWSCLE Marine Weather Statement National Weather Service Cleveland OH 1130 PM EDT Mon Apr 13 2026 LEZ145>147-165>167-140340- /O.EXP.KCLE.MA.W.0017.000000T0000Z-260414T0330Z/ 1130 PM EDT Mon Apr 13 2026 ...THE SPECIAL MARINE WARNING EXPIRED AT 1130 PM EDT... The affected areas were... Nearshore and Open waters from Vermilion OH to Geneva-on-the-lake OH... The thunderstorms have moved out of the area and no longer pose a significant threat to boaters. LAT...LON 4146 8205 4181 8212 4207 8154 4200 8153 4208 8152 4221 8125 4225 8093 4186 8096 4176 8129 4165 8148 4150 8162 4146 8176 TIME...MOT...LOC 0330Z 272DEG 33KT 4209 8125 4158 8114 4125 8140 $$ Garuckas  586 FZUS73 KGRR 140337 MWSGRR Marine Weather Statement National Weather Service Grand Rapids MI 1137 PM EDT Mon Apr 13 2026 LMZ849-140347- /O.CAN.KGRR.MA.W.0012.000000T0000Z-260414T0400Z/ 1137 PM EDT Mon Apr 13 2026 ...THE SPECIAL MARINE WARNING IS CANCELLED... The affected areas were... Nearshore Waters from Pentwater to Manistee MI... The thunderstorm has moved out of the area and no longer poses a significant threat to boaters. A Severe Thunderstorm Watch remains in effect until 500 AM EDT for west central Michigan...and the adjacent waters of Lake Michigan. LAT...LON 4422 8637 4412 8643 4406 8652 4402 8651 4397 8646 4386 8644 4382 8651 4394 8654 4400 8659 4403 8660 TIME...MOT...LOC 0336Z 228DEG 35KT 4405 8639 $$ THOMAS  704 FZUS73 KDTX 140349 MWSDTX Marine Weather Statement National Weather Service Detroit/Pontiac MI 1149 PM EDT Mon Apr 13 2026 LHZ422-140358- /O.CAN.KDTX.MA.W.0006.000000T0000Z-260414T0445Z/ 1149 PM EDT Mon Apr 13 2026 ...THE SPECIAL MARINE WARNING IS CANCELLED... The affected areas were... Inner Saginaw Bay SW of Point Au Gres to Bay Port MI... The thunderstorms have !moved out of the warned area and no longer pose a significant threat to boaters. A Severe Thunderstorm Watch remains in effect until 500 AM EDT for southeastern Michigan...and the adjacent waters of Lake Huron. && LAT...LON 4418 8226 4377 8216 4377 8218 4363 8263 4378 8266 4399 8280 4404 8292 4397 8307 4395 8323 4392 8327 4409 8357 4417 8356 4419 8356 TIME...MOT...LOC 0348Z 221DEG 34KT 4424 8343 4403 8308 4380 8283 $$ LHZ421-441-442-462-463-140445- /O.CON.KDTX.MA.W.0006.000000T0000Z-260414T0445Z/ 1149 PM EDT Mon Apr 13 2026 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 1245 AM EDT... For the following areas... Harbor Beach to Port Sanilac MI... Lake Huron from Harbor Beach to Port Sanilac 5NM Off Shore to US/Canadian border... Lake Huron from Port Austin to Harbor Beach 5NM Off Shore to the US/Canadian border... Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay... Port Austin to Harbor Beach MI... At 1148 PM EDT, severe thunderstorms were located along a line extending from Tawas Point to near Port Austin to 8 nm west of Harbor Beach, moving northeast at 35 knots. HAZARD...Wind gusts 34 knots or greater and large hail. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Large hail could result in structural damage. severe thunderstorms will be near... Port Hope, Harbor Beach, and Port Austin around 1155 PM EDT. Other locations impacted by severe thunderstorms include White Rock. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && LAT...LON 4418 8226 4377 8216 4377 8218 4363 8263 4378 8266 4399 8280 4404 8292 4397 8307 4395 8323 4392 8327 4409 8357 4417 8356 4419 8356 TIME...MOT...LOC 0348Z 221DEG 34KT 4424 8343 4403 8308 4380 8283 HAIL...>.75IN WIND...>34KTS $$ MV