580 WUUS53 KDTX 212000 SVRDTX MIC115-163-212030- /O.NEW.KDTX.SV.W.0084.251021T2000Z-251021T2030Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Detroit/Pontiac MI 400 PM EDT Tue Oct 21 2025 The National Weather Service in Detroit/Pontiac has issued a * Severe Thunderstorm Warning for... Northeastern Monroe County in southeastern Michigan... South central Wayne County in southeastern Michigan... * Until 430 PM EDT. * At 400 PM EDT, a severe thunderstorm was located over Flat Rock, moving east at 40 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * This severe thunderstorm will be near... Flat Rock around 405 PM EDT. Other locations impacted by this severe thunderstorm include Newport, Gibraltar, Estral Beach, South Rockwood, Woodhaven, Rockwood, Brownstown Township, and Waltz. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4199 8342 4216 8337 4214 8313 4212 8312 4205 8315 4200 8313 4194 8320 TIME...MOT...LOC 2000Z 280DEG 33KT 4207 8330 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ JA  888 FZUS73 KDTX 212001 MWSDTX Marine Weather Statement National Weather Service Detroit/Pontiac MI 401 PM EDT Tue Oct 21 2025 LHZ421-212010- /O.EXP.KDTX.MA.W.0075.000000T0000Z-251021T2000Z/ 401 PM EDT Tue Oct 21 2025 ...THE SPECIAL MARINE WARNING EXPIRED AT 400 PM EDT... The affected areas were... Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay... The shower has weakened and no longer poses a significant threat to boaters. However, gusty winds can be expected over over outer Saginaw Bay for the next 30 minutes. && LAT...LON 4418 8300 4405 8300 4397 8306 4395 8323 4383 8334 4402 8369 4405 8365 4405 8358 4419 8356 TIME...MOT...LOC 2000Z 232DEG 33KT 4421 8302 $$ TF  771 FZUS73 KDTX 212003 MWSDTX Marine Weather Statement National Weather Service Detroit/Pontiac MI 403 PM EDT Tue Oct 21 2025 LCZ422-LHZ443-464-212100- /O.CON.KDTX.MA.W.0078.000000T0000Z-251021T2100Z/ 403 PM EDT Tue Oct 21 2025 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 500 PM EDT... For the following areas... Lake Huron from Port Sanilac to Port Huron 5NM Off Shore to US/Canadian border... Port Sanilac to Port Huron MI... St. Clair River... At 403 PM EDT, showers were located along a line extending from 15 nm west of Port Sanilac to 14 nm northwest of New Baltimore to near Wyandotte, moving northeast at 40 knots. HAZARD...Wind gusts to nearly 50 knots and small hail. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. showers will be near... Port Sanilac around 420 PM EDT. Lexington around 425 PM EDT. Lakeport around 430 PM EDT. Algonac, St. Clair, and Port Huron around 435 PM EDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && LAT...LON 4300 8242 4296 8242 4289 8247 4276 8247 4262 8252 4255 8259 4255 8264 4256 8261 4265 8258 4264 8256 4266 8255 4276 8251 4287 8251 4300 8247 4322 8256 4342 8260 4343 8221 TIME...MOT...LOC 2003Z 242DEG 42KT 4338 8289 4278 8304 4218 8321 HAIL...<.75IN WIND...49KTS $$ TF  460 FZUS76 KMTR 212018 CCA MWSMTR Marine Weather Statement...CORRECTED National Weather Service San Francisco CA 118 PM PDT Tue Oct 21 2025 PZZ535-560-565-575-576-221200- Monterey Bay- Coastal Waters from Pigeon Point to Point Pinos California out to 10 NM- Coastal Waters from Point Pinos to Point Piedras Blancas California out to 10 NM- Waters from Pigeon Point to Point Pinos 10-60 NM- Waters from Point Pinos to Point Piedras Blancas 10-60 NM- 118 PM PDT Tue Oct 21 2025 ...A SLIGHT CHANCE OF THUNDERSTORMS TONIGHT AND INTO WEDNESDAY MORNING... A moist and unstable air mass will bring the potential for thunderstorms to the coastal waters, mainly south of Pigeon Point. Any thunderstorm that do develop will be capable of producing gale force winds and rough seas, dangerous lightning, heavy rainfall with reduced visibility, and waterspouts. $$  555 FZCA72 TJSJ 212020 MWSSJU Marine Weather Statement National Weather Service San Juan PR 420 PM AST Tue Oct 21 2025 AMZ711-733-735-741-742-745-220430- Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N- Caribbean waters of Puerto Rico from 10 NM to 17N, including the coastal waters of Saint Croix- Coastal Waters of Southern Puerto Rico out 10 NM- Mona Passage Southward to 17N- Coastal Waters of Northwestern Puerto Rico out 10 NM- Coastal Waters of Southwestern Puerto Rico out 10 NM- 420 PM AST Tue Oct 21 2025 ...STRONG THUNDERSTORMS OVER THE WATERS... The areas affected include... Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N... Caribbean waters of Puerto Rico from 10 NM to 17N... Coastal Waters of Southern Puerto Rico out 10 NM... Mona Passage Southward to 17N... Coastal Waters of Northwestern Puerto Rico out 10 NM... Coastal Waters of Southwestern Puerto Rico out 10 NM... At 416 PM AST, Doppler radar indicated thunderstorms due to outer rainbands of Tropical Storm Melissa, capable of producing winds to around 30 knots. These thunderstorms were located mainly over portions of the Caribbean Waters, Mona Passage, coastal western waters of Puerto Rico and part of the Atlantic waters moving west at 15 to 25 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect gusty winds to around 30 knots, locally higher waves, lightning strikes, possible waterspouts and heavy downpours. Boaters should seek safe harbor immediately until this storm passes. Report severe weather to the Coast Guard or nearest law enforcement agency. They will relay your report to the National Weather Service forecast office. && LAT...LON 1700 6800 1850 6799 1847 6720 1842 6715 1836 6727 1821 6715 1816 6719 1795 6720 1798 6701 1792 6693 1796 6682 1801 6677 1796 6662 1799 6646 1794 6639 1798 6633 1793 6621 1797 6607 1789 6589 1700 6587 $$ YZR  241 WWUS53 KDTX 212026 SVSDTX Severe Weather Statement National Weather Service Detroit/Pontiac MI 426 PM EDT Tue Oct 21 2025 MIC115-163-212034- /O.EXP.KDTX.SV.W.0084.000000T0000Z-251021T2030Z/ Monroe MI-Wayne MI- 426 PM EDT Tue Oct 21 2025 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MONROE AND SOUTH CENTRAL WAYNE COUNTIES WILL EXPIRE AT 430 PM EDT... The storm which prompted the warning has moved out of the area. Therefore, the warning will be allowed to expire. However, gusty winds to 40 mph and moderate rain showers will persist for another 30 minutes or so. && LAT...LON 4199 8342 4216 8337 4214 8313 4212 8312 4205 8315 4200 8313 4194 8320 TIME...MOT...LOC 2024Z 280DEG 33KT 4204 8307 $$ SF  765 FZUS73 KDTX 212038 MWSDTX Marine Weather Statement National Weather Service Detroit/Pontiac MI 438 PM EDT Tue Oct 21 2025 LHZ441-442-462-463-212100- /O.CON.KDTX.MA.W.0076.000000T0000Z-251021T2100Z/ 438 PM EDT Tue Oct 21 2025 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 500 PM 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... Port Austin to Harbor Beach MI... At 438 PM EDT, showers were located along a line extending from 30 nm northeast of Port Austin to 10 nm southeast of Central Lake Huron Buoy to 11 nm northeast of Port Sanilac, moving northeast 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. Showers will remain over mainly open waters. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && LAT...LON 4344 8220 4342 8260 4377 8265 4400 8281 4404 8292 4405 8300 4418 8299 4417 8225 4360 8212 TIME...MOT...LOC 2038Z 235DEG 35KT 4444 8257 4416 8223 4361 8243 HAIL...<.75IN WIND...40KTS $$ JA  026 FZUS73 KDTX 212039 MWSDTX Marine Weather Statement National Weather Service Detroit/Pontiac MI 439 PM EDT Tue Oct 21 2025 LCZ422-LHZ443-464-212100- /O.CON.KDTX.MA.W.0078.000000T0000Z-251021T2100Z/ 439 PM EDT Tue Oct 21 2025 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 500 PM EDT... For the following areas... Lake Huron from Port Sanilac to Port Huron 5NM Off Shore to US/Canadian border... Port Sanilac to Port Huron MI... St. Clair River... At 439 PM EDT, showers were located along a line extending from 15 nm northeast of Port Sanilac to near Lakeport to near St Clair Flats Old Channel Light, moving northeast at 50 knots. HAZARD...Wind gusts to 40 knots and small hail. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. showers will be near... Lakeport, Algonac, St. Clair, and Port Huron around 445 PM EDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && LAT...LON 4300 8242 4296 8242 4289 8247 4276 8247 4262 8252 4255 8259 4255 8264 4256 8261 4265 8258 4264 8256 4266 8255 4276 8251 4287 8251 4300 8247 4322 8256 4342 8260 4343 8221 TIME...MOT...LOC 2039Z 232DEG 49KT 4366 8239 4306 8254 4247 8272 HAIL...<.75IN WIND...40KTS $$ JA  631 FZUS73 KDTX 212041 MWSDTX Marine Weather Statement National Weather Service Detroit/Pontiac MI 441 PM EDT Tue Oct 21 2025 LCZ423-460-LEZ444-212130- /O.CON.KDTX.MA.W.0077.000000T0000Z-251021T2130Z/ 441 PM EDT Tue Oct 21 2025 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 530 PM EDT... For the following areas... Detroit River... Lake St. Clair Open Lake (U.S. Portion)... Michigan Waters of Lake Erie from Detroit River to North Cape MI... At 441 PM EDT, showers were located along a line extending from 6 nm west of St. Clair Shores to near Elizabeth Park Marina to near North Cape, moving east at 35 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. showers will be near... St. Clair Shores, The Ambassador Bridge, Grosse Pointe, Lake Erie Metropark Harbor, Detroit River Light, Grosse Ile, Belle Isle, Gibraltar, Stony Point, and Estral Beach around 445 PM EDT. Metro Beach Metropark Marina around 455 PM EDT. St Clair Flats Old Channel Light around 500 PM EDT. Mt Clemens Harbor Of Refuge around 505 PM EDT. Algonac around 520 PM EDT. Other locations impacted by showers include Woodland Beach, Stony Point, Gibraltar, Estral Beach, and Detroit Beach. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && LAT...LON 4173 8350 4195 8337 4197 8328 4226 8317 4233 8311 4239 8295 4266 8285 4272 8269 4265 8255 4267 8254 4265 8251 4262 8260 4262 8252 4261 8253 4254 8266 4237 8283 4230 8309 4205 8315 4196 8311 4172 8341 TIME...MOT...LOC 2041Z 257DEG 33KT 4246 8302 4208 8317 4169 8344 HAIL...<.75IN WIND...>34KTS $$ JA  973 WUUS51 KILN 212042 SVRILN OHC109-212115- /O.NEW.KILN.SV.W.0213.251021T2042Z-251021T2115Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Wilmington OH 442 PM EDT Tue Oct 21 2025 The National Weather Service in Wilmington has issued a * Severe Thunderstorm Warning for... Northern Miami County in west central Ohio... * Until 515 PM EDT. * At 441 PM EDT, a severe thunderstorm was located near Covington, moving east at 40 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to trees and power lines. * Locations impacted include... Troy, Piqua, Covington, Bradford, Pleasant Hill, Laura, Fletcher, Casstown, Circle Hill, and Farrington. This includes I-75 in Ohio between mile markers 74 and 84. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. To report severe weather, go to our website at weather.gov/iln and submit your report via social media, when you can do so safely. && LAT...LON 4012 8405 4004 8408 4000 8442 4017 8443 4019 8412 TIME...MOT...LOC 2041Z 259DEG 26KT 4009 8440 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$  889 FZUS73 KDTX 212053 MWSDTX Marine Weather Statement National Weather Service Detroit/Pontiac MI 453 PM EDT Tue Oct 21 2025 LHZ441-442-462-463-212102- /O.EXP.KDTX.MA.W.0076.000000T0000Z-251021T2100Z/ 453 PM EDT Tue Oct 21 2025 ...THE SPECIAL MARINE WARNING WILL EXPIRE AT 500 PM EDT... The affected areas were... 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... Port Austin to Harbor Beach MI... The showers have weakened and no longer pose a significant threat to boaters. && LAT...LON 4344 8220 4342 8260 4377 8265 4400 8281 4404 8292 4405 8300 4418 8299 4417 8225 4360 8212 TIME...MOT...LOC 2052Z 235DEG 35KT 4449 8247 4421 8213 4366 8233 $$ JA  068 FZUS73 KDTX 212053 RRA MWSDTX Marine Weather Statement National Weather Service Detroit/Pontiac MI 453 PM EDT Tue Oct 21 2025 LCZ422-LHZ443-464-212103- /O.EXP.KDTX.MA.W.0078.000000T0000Z-251021T2100Z/ 453 PM EDT Tue Oct 21 2025 ...THE SPECIAL MARINE WARNING WILL EXPIRE AT 500 PM EDT... The affected areas were... Lake Huron from Port Sanilac to Port Huron 5NM Off Shore to US/Canadian border... Port Sanilac to Port Huron MI... St. Clair River... The showers have weakened and no longer pose a significant threat to boaters. && LAT...LON 4300 8242 4296 8242 4289 8247 4276 8247 4262 8252 4255 8259 4255 8264 4256 8261 4265 8258 4264 8256 4266 8255 4276 8251 4287 8251 4300 8247 4322 8256 4342 8260 4343 8221 TIME...MOT...LOC 2053Z 232DEG 49KT 4377 8219 4317 8234 4258 8252 $$ JA  218 WWUS51 KILN 212053 SVSILN Severe Weather Statement National Weather Service Wilmington OH 453 PM EDT Tue Oct 21 2025 OHC109-212103- /O.CAN.KILN.SV.W.0213.000000T0000Z-251021T2115Z/ Miami OH- 453 PM EDT Tue Oct 21 2025 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN MIAMI COUNTY IS CANCELLED... The storm which prompted the warning has weakened below severe limits and no longer poses an immediate threat to life or property. Therefore, the warning has been cancelled. However, gusty winds are still possible with this thunderstorm. Please report previous wind damage or hail to the National Weather Service by going to our website at weather.gov/iln and submitting your report via social media. && LAT...LON 4012 8405 4004 8408 4000 8442 4017 8443 4019 8412 TIME...MOT...LOC 2052Z 259DEG 26KT 4011 8428 $$  230 FZUS74 KHGX 212053 MWSHGX Marine Weather Statement National Weather Service Houston/Galveston TX 353 PM CDT Tue Oct 21 2025 GMZ335-355-212145- 353 PM CDT Tue Oct 21 2025 A Marine Weather Statement has been issued for the following areas... Coastal waters from High Island to Freeport TX out 20 NM... Galveston Bay... At 353 PM CDT, Doppler radar indicated a strong thunderstorm, capable of producing winds to around 30 knots. This thunderstorm was located over West Bay, moving south at 15 knots. The strongest winds will likely push out ahead of the storm, and occur before rain begins. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect gusty winds to around 30 knots, locally higher waves, and lightning strikes. Boaters should seek safe harbor immediately until this storm passes. && LAT...LON 2922 9493 2922 9494 2920 9494 2921 9493 2892 9482 2888 9512 2921 9514 2920 9510 2922 9507 2925 9494 $$ Luchs  603 WHUS51 KCLE 212054 SMWCLE LEZ143>145-163>165-212300- /O.NEW.KCLE.MA.W.0102.251021T2054Z-251021T2300Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Cleveland OH 454 PM EDT Tue Oct 21 2025 The National Weather Service in Cleveland has issued a * Special Marine Warning for... Nearshore and Open waters from Reno Beach OH to Avon Point OH... * Until 700 PM EDT. * At 453 PM EDT, strong thunderstorms were located along a line extending from 9 nm northwest of Put-In-Bay to 10 nm west of Sandusky Bay to 32 nm west of Huron, moving northeast at 30 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... Put-In-Bay, Western Vermilion, Kelleys Island, Sandusky Bay, Huron, Lorain Harbor, and Vermilion. LAT...LON 4143 8277 4143 8282 4140 8291 4142 8303 4148 8312 4181 8296 4167 8268 4168 8240 4185 8201 4160 8200 4149 8203 4138 8236 4138 8258 TIME...MOT...LOC 2053Z 245DEG 32KT 4177 8297 4147 8310 4120 8323 HAIL...<.75IN WIND...40KTS $$ Sefcovic  293 FZUS73 KDTX 212055 MWSDTX Marine Weather Statement National Weather Service Detroit/Pontiac MI 455 PM EDT Tue Oct 21 2025 LCZ423-460-LEZ444-212104- /O.CAN.KDTX.MA.W.0077.000000T0000Z-251021T2130Z/ 455 PM EDT Tue Oct 21 2025 ...THE SPECIAL MARINE WARNING IS CANCELLED... The affected areas were... Detroit River... Lake St. Clair Open Lake (U.S. Portion)... Michigan Waters of Lake Erie from Detroit River to North Cape MI... The showers have moved out of the area and no longer pose a significant threat to boaters. && LAT...LON 4173 8350 4195 8337 4197 8328 4226 8317 4233 8311 4239 8295 4266 8285 4272 8269 4265 8255 4267 8254 4265 8251 4262 8260 4262 8252 4261 8253 4254 8266 4237 8283 4230 8309 4205 8315 4196 8311 4172 8341 TIME...MOT...LOC 2052Z 239DEG 32KT 4251 8290 4213 8305 4174 8332 $$ JA