909 WHUS53 KAPX 182002 SMWAPX LHZ363-182030- /O.NEW.KAPX.MA.W.0019.260518T2002Z-260518T2030Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Gaylord MI 402 PM EDT Mon May 18 2026 The National Weather Service in Gaylord has issued a * Special Marine Warning for... Lake Huron from Sturgeon Point to Alabaster MI 5NM off shore to US/Canadian border... * Until 430 PM EDT. * At 402 PM EDT, a strong thunderstorm was located 9 nm northwest of Central Lake Huron Buoy, moving northeast at 40 knots. HAZARD...Wind gusts to 40 knots and small hail. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Central Lake Huron Buoy. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && LAT...LON 4471 8271 4472 8238 4418 8226 4418 8308 4419 8308 TIME...MOT...LOC 2002Z 221DEG 40KT 4434 8261 HAIL...<.75IN WIND...40KTS $$ ELD  967 WHUS53 KDTX 182003 SMWDTX LHZ442-443-463-464-182130- /O.NEW.KDTX.MA.W.0026.260518T2003Z-260518T2130Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Detroit/Pontiac MI 403 PM EDT Mon May 18 2026 The National Weather Service in Detroit/Pontiac has issued a * Special Marine Warning for... Harbor Beach to Port Sanilac MI... Lake Huron from Harbor Beach to Port Sanilac 5NM Off Shore to US/Canadian border... Lake Huron from Port Sanilac to Port Huron 5NM Off Shore to US/Canadian border... Port Sanilac to Port Huron MI... * Until 530 PM EDT. * At 402 PM EDT, a strong thunderstorm was located 14 nm north of New Baltimore, moving northeast at 35 knots. HAZARD...Wind gusts to nearly 50 knots and small hail. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * The strong thunderstorm will be near... Lakeport around 425 PM EDT. Lexington around 440 PM EDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... && LAT...LON 4299 8243 4298 8242 4292 8250 4301 8247 4322 8256 4354 8261 4358 8213 TIME...MOT...LOC 2002Z 221DEG 35KT 4292 8280 HAIL...<.75IN WIND...49KTS $$ DRK  610 WHUS53 KDTX 182010 SMWDTX LCZ423-460-LEZ444-182215- /O.NEW.KDTX.MA.W.0027.260518T2010Z-260518T2215Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Detroit/Pontiac MI 410 PM EDT Mon May 18 2026 The National Weather Service in Detroit/Pontiac has issued a * Special Marine Warning for... Detroit River... Lake St. Clair Open Lake (U.S. Portion)... Michigan Waters of Lake Erie from Detroit River to North Cape MI... * Until 615 PM EDT. * At 410 PM EDT, strong thunderstorms were located along a line extending from 22 nm west of Wyandotte to 13 nm northwest of Luna Pier to 18 nm west of North Cape, moving northeast at 25 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. * Strong thunderstorms will be near... Woodland Beach and Detroit Beach around 505 PM EDT. Wyandotte and Gibraltar around 510 PM EDT. Stony Point around 515 PM EDT. Elizabeth Park Marina, Lake Erie Metropark Harbor, and Estral Beach around 520 PM EDT. The Ambassador Bridge and Grosse Ile around 525 PM EDT. Detroit River Light around 530 PM EDT. Belle Isle around 540 PM EDT. St. Clair Shores and Grosse Pointe around 550 PM EDT. Other locations impacted by strong thunderstorms include Woodland Beach, Stony Point, Gibraltar, Estral Beach, and Detroit Beach. PRECAUTIONARY/PREPAREDNESS ACTIONS... && LAT...LON 4173 8350 4193 8339 4197 8328 4226 8317 4233 8311 4239 8295 4266 8285 4272 8269 4270 8261 4262 8254 4262 8259 4261 8253 4261 8254 4254 8266 4238 8282 4229 8310 4205 8315 4196 8311 4172 8341 TIME...MOT...LOC 2010Z 225DEG 25KT 4227 8366 4189 8371 4165 8383 HAIL...<.75IN WIND...49KTS $$ DRK  361 WHUS52 KMFL 182022 SMWMFL GMZ656-182045- /O.NEW.KMFL.MA.W.0091.260518T2022Z-260518T2045Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Miami FL 422 PM EDT Mon May 18 2026 The National Weather Service in Miami has issued a * Special Marine Warning for... Coastal waters from Chokoloskee to Bonita Beach FL out 20 NM... * Until 445 PM EDT. * At 422 PM EDT, a strong thunderstorm was located over Naples, moving west at 10 knots. HAZARD...Wind gusts 34 knots or greater. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Naples and Vanderbilt Beach. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. Report severe weather to the Coast Guard or the National Weather Service. You can also share your report with NWS Miami on Facebook and Twitter. && LAT...LON 2631 8183 2622 8179 2617 8178 2613 8175 2608 8176 2602 8170 2592 8190 2624 8201 TIME...MOT...LOC 2022Z 073DEG 9KT 2616 8179 HAIL...0.00IN WIND...>34KTS $$ Fisher  898 WHUS53 KAPX 182050 SMWAPX LHZ348-349-362-363-182145- /O.NEW.KAPX.MA.W.0020.260518T2050Z-260518T2145Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Gaylord MI 450 PM EDT Mon May 18 2026 The National Weather Service in Gaylord has issued a * Special Marine Warning for... Lake Huron from Presque Isle Lt. to Sturgeon Point MI 5NM off shore to US/Canadian border... Lake Huron from Sturgeon Point to Alabaster MI 5NM off shore to US/Canadian border... Presque Isle Light to Sturgeon Pt MI Including Thunder Bay National Marine Sanctuary... Sturgeon Pt to Alabaster MI... * Until 545 PM EDT. * At 450 PM EDT, a strong thunderstorm was located 19 nm east of South Point, moving northeast at 60 knots. HAZARD...Wind gusts to 40 knots and small hail. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Sturgeon Point, Black River, South Point, Harrisville, and Greenbush. PRECAUTIONARY/PREPAREDNESS ACTIONS... && LAT...LON 4455 8336 4472 8334 4486 8337 4489 8344 4496 8346 4528 8250 4457 8234 TIME...MOT...LOC 2050Z 237DEG 59KT 4500 8291 HAIL...<.75IN WIND...40KTS $$ ELD