854 FZUS73 KDTX 150501 MWSDTX Marine Weather Statement National Weather Service Detroit/Pontiac MI 101 AM EDT Wed Apr 15 2026 LHZ441>443-462>464-150630- /O.CON.KDTX.MA.W.0010.000000T0000Z-260415T0630Z/ 101 AM EDT Wed Apr 15 2026 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 230 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... Lake Huron from Port Sanilac to Port Huron 5NM Off Shore to US/Canadian border... Port Austin to Harbor Beach MI... Port Sanilac to Port Huron MI... At 100 AM EDT, strong thunderstorms were located along a line extending from near Harbor Beach to Lexington, moving east at 40 knots. HAZARD...Wind gusts 34 knots or greater and small hail. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. strong thunderstorms will be near... Port Sanilac, Harbor Beach, Richmondville, and White Rock around 105 AM EDT. Other locations impacted by strong thunderstorms include White Rock and Richmondville. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Tornado Watch remains in effect until 400 AM EDT for southeastern Michigan...and the adjacent waters of Lake Huron. && LAT...LON 4302 8241 4301 8247 4322 8256 4377 8265 4403 8281 4398 8221 4359 8212 TIME...MOT...LOC 0500Z 262DEG 41KT 4380 8277 4330 8252 HAIL...<.75IN WIND...>34KTS $$ SF  953 FZUS73 KDTX 150521 MWSDTX Marine Weather Statement National Weather Service Detroit/Pontiac MI 121 AM EDT Wed Apr 15 2026 LCZ422-423-460-150700- /O.CON.KDTX.MA.W.0011.000000T0000Z-260415T0700Z/ 121 AM EDT Wed Apr 15 2026 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 300 AM EDT... For the following areas... Detroit River... Lake St. Clair Open Lake (U.S. Portion)... St. Clair River... At 120 AM EDT, strong thunderstorms were located along a line extending from 9 nm northwest of New Baltimore to 7 nm west of The Ambassador Bridge, moving southeast at 35 knots. HAZARD...Wind gusts to 40 knots and small hail. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. strong thunderstorms will be near... New Baltimore, St. Clair Shores, The Ambassador Bridge, and Wyandotte around 125 AM EDT. Mt Clemens Harbor Of Refuge, Metro Beach Metropark Marina, Grosse Pointe, and Belle Isle around 130 AM EDT. St Clair Flats Old Channel Light around 135 AM EDT. Algonac around 140 AM EDT. Other locations impacted by strong thunderstorms include Gibraltar. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Tornado Watch remains in effect until 400 AM EDT for southeastern Michigan...the adjacent waters of Lake Erie...the adjacent waters of Lake Huron...and the adjacent waters of Lake St. Clair. && LAT...LON 4261 8252 4255 8259 4254 8266 4237 8283 4230 8309 4224 8313 4201 8314 4201 8315 4210 8324 4226 8317 4233 8311 4239 8295 4266 8285 4272 8269 4270 8261 4269 8260 4265 8255 4304 8248 4303 8243 TIME...MOT...LOC 0520Z 309DEG 34KT 4284 8282 4234 8324 HAIL...<.75IN WIND...40KTS $$ SF  284 FZUS73 KDTX 150555 MWSDTX Marine Weather Statement National Weather Service Detroit/Pontiac MI 155 AM EDT Wed Apr 15 2026 LCZ422-423-460-150700- /O.CON.KDTX.MA.W.0011.000000T0000Z-260415T0700Z/ 155 AM EDT Wed Apr 15 2026 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 300 AM EDT... For the following areas... Detroit River... Lake St. Clair Open Lake (U.S. Portion)... St. Clair River... At 155 AM EDT, severe thunderstorms capable of producing waterspouts were located along a line extending from 19 nm west of St. Clair Shores to 21 nm northwest of Monroe Harbor, moving southeast at 50 knots. HAZARD...Waterspouts, wind gusts to nearly 50 knots, and small hail. SOURCE...Radar indicated. IMPACT...Waterspouts can easily overturn boats and create locally hazardous seas. Small craft could be damaged in briefly higher winds and suddenly higher waves. severe thunderstorms will be near... The Ambassador Bridge and Wyandotte around 210 AM EDT. Elizabeth Park Marina, St. Clair Shores, Grosse Pointe, Grosse Ile, Belle Isle, and Gibraltar around 215 AM EDT. Other locations impacted by severe thunderstorms include Gibraltar. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Tornado Watch remains in effect until 400 AM EDT for southeastern Michigan...the adjacent waters of Lake Erie...the adjacent waters of Lake Huron...and the adjacent waters of Lake St. Clair. && LAT...LON 4261 8252 4255 8259 4254 8266 4237 8283 4230 8309 4224 8313 4201 8314 4201 8315 4210 8324 4226 8317 4233 8311 4239 8295 4266 8285 4272 8269 4270 8261 4269 8260 4265 8255 4304 8248 4303 8243 TIME...MOT...LOC 0555Z 296DEG 50KT 4261 8331 4211 8373 WATERSPOUT...POSSIBLE HAIL...<.75IN WIND...49KTS $$ SF