939 WHUS53 KDTX 150233 SMWDTX LHZ421-422-150430- /O.NEW.KDTX.MA.W.0009.260415T0233Z-260415T0430Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Detroit/Pontiac MI 1033 PM EDT Tue Apr 14 2026 The National Weather Service in Detroit/Pontiac has issued a * Special Marine Warning for... Inner Saginaw Bay SW of Point Au Gres to Bay Port MI... Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay... * Until 1230 AM EDT. * At 1031 PM EDT, severe thunderstorms were located 25 nm west of Linwood, or 29 nm west of The Mouth Of The Saginaw River, moving northeast at 40 knots. HAZARD...Wind gusts to nearly 50 knots and large hail. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Large hail could result in structural damage. * The severe thunderstorm will be near... Pinconning around 1110 PM EDT. Gravelly Shoals around 1135 PM EDT. Other locations impacted by the severe thunderstorms include Bay Port. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Tornado Watch remains in effect until 400 AM EDT for southeastern Michigan...and the adjacent waters of Lake Huron. Move to safe harbor until hazardous weather passes. && LAT...LON 4388 8396 4399 8384 4399 8368 4405 8366 4405 8358 4419 8356 4418 8300 4405 8300 4405 8303 4400 8307 4398 8326 4393 8329 4391 8327 4386 8332 4383 8339 4370 8349 4371 8354 4359 8367 4365 8383 4365 8394 TIME...MOT...LOC 0231Z 241DEG 41KT 4358 8451 HAIL...>.75IN WIND...49KTS $$ SF  157 WHUS53 KLOT 150233 SMWLOT LMZ741>745-779-150430- /O.NEW.KLOT.MA.W.0023.260415T0233Z-260415T0430Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Chicago/Romeoville 933 PM CDT Tue Apr 14 2026 The National Weather Service in Chicago has issued a * Special Marine Warning for... Nearshore Waters from Wilmette Harbor to Calumet Harbor... Nearshore Waters from Calumet Harbor to Michigan City... Open Waters from Wilmette Harbor to Michigan City out to Mid Lake... * Until 1130 PM CDT. * At 932 PM CDT, severe thunderstorms capable of producing waterspouts were located along a line extending from 9 nm southeast of Winthrop Harbor to 7 nm south of Waukegan Harbor to 13 nm southeast of McHenry to 7 nm west of Elgin, moving east at 35 knots. HAZARD...Waterspouts and wind gusts to nearly 50 knots. SOURCE...Radar and surface observations. IMPACT...Waterspouts can easily overturn boats and create locally hazardous seas. Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Harrison-Dever Crib, Wilmette Harbor, 31st Street Harbor, Monroe Harbor, Burns Harbor, Calumet Harbor, Indiana Harbor, Montrose Harbor, Burnham Harbor, Hammond Marina, Jackson Park Harbor, and Belmont Harbor. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Tornado Watch remains in effect until midnight CDT for northeastern Illinois...and the adjacent waters of Lake Michigan. && LAT...LON 4162 8733 4164 8743 4168 8743 4167 8744 4169 8750 4183 8760 4189 8762 4189 8760 4190 8762 4208 8768 4211 8760 4212 8696 4179 8697 4179 8696 4172 8691 4163 8716 4162 8732 4161 8732 TIME...MOT...LOC 0232Z 292DEG 35KT 4238 8763 4224 8785 4216 8811 4205 8845 WATERSPOUT...POSSIBLE HAIL...0.00IN WIND...49KTS $$ Carlaw  489 WHUS53 KGRR 150239 SMWGRR LMZ844-845-876-878-150400- /O.NEW.KGRR.MA.W.0016.260415T0239Z-260415T0400Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Grand Rapids MI 1039 PM EDT Tue Apr 14 2026 The National Weather Service in Grand Rapids has issued a * Special Marine Warning for... Nearshore and Open Waters from St Joseph to Holland MI... * Until midnight EDT. * At 1038 PM EDT, strong thunderstorms were located along a line extending from 15 nm west of Holland Light to 20 nm southeast of Kenosha Wisconsin, moving east at 45 knots. HAZARD...Wind gusts to nearly 50 knots and small hail. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Saugatuck Pier Heads, South Haven Light, and St. Joseph Light. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Tornado Watch remains in effect until 400 AM EDT for southwestern Michigan...and the adjacent waters of Lake Michigan. Move to safe harbor until hazardous weather passes. && LAT...LON 4213 8656 4212 8696 4277 8706 4277 8621 4248 8625 4236 8629 4225 8635 4211 8649 TIME...MOT...LOC 0237Z 288DEG 44KT 4275 8669 4248 8739 HAIL...<.75IN WIND...49KTS $$ CAS  104 WHUS53 KIWX 150251 SMWIWX LMZ043-046-080-150415- /O.NEW.KIWX.MA.W.0010.260415T0251Z-260415T0415Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Northern Indiana 1051 PM EDT Tue Apr 14 2026 The National Weather Service in Northern Indiana has issued a * Special Marine Warning for... Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to mid-line of lake.... Michigan City IN to New Buffalo MI... New Buffalo MI to St Joseph MI... * Until 1215 AM EDT. * At 1049 PM EDT, severe thunderstorms capable of producing winds in excess of 50 knots and waterspouts were located along a line extending from 32 nm east of Wind Pt. to 7 nm south of Waukegan Harbor, moving southeast at 35 knots. HAZARD...Waterspouts and wind gusts in excess of 50 knots. SOURCE...Radar. IMPACT...Waterspouts can easily overturn boats and create locally hazardous seas. Boats could suffer significant structural damage in high winds. Small craft could capsize in suddenly higher waves. * Locations impacted include... New Buffalo and Michigan City. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Tornado Watch remains in effect until 400 AM EDT for northwestern Indiana...southwestern Michigan...and the adjacent waters of Lake Michigan. Frequent lightning is occurring with these storms. If caught on the open water stay below deck if possible, keep away from ungrounded metal objects. && LAT...LON 4179 8696 4179 8697 4212 8696 4213 8657 4211 8649 4194 8658 4189 8662 4180 8675 4179 8676 4172 8691 TIME...MOT...LOC 0249Z 311DEG 35KT 4265 8705 4225 8776 WATERSPOUT...POSSIBLE HAIL...0.00IN WIND...50KTS $$ MCS