900 

WHUS53 KDTX 191916

SMWDTX

LCZ422-460-LHZ443-192045-

/O.NEW.KDTX.MA.W.0029.260519T1916Z-260519T2045Z/



BULLETIN - IMMEDIATE BROADCAST REQUESTED

Special Marine Warning

National Weather Service Detroit/Pontiac MI

316 PM EDT Tue May 19 2026



The National Weather Service in Detroit/Pontiac has issued a



* Special Marine Warning for...

  Lake St. Clair Open Lake (U.S. Portion)...

  Port Sanilac to Port Huron MI...

  St. Clair River...



* Until 445 PM EDT.



* At 316 PM EDT, severe thunderstorms were located along a line

  extending from 8 nm northwest of St. Clair to 6 nm west of New

  Baltimore to 11 nm northwest of St. Clair Shores, moving east 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.



* Severe thunderstorms will be near...

  St. Clair and Port Huron around 325 PM EDT.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



&&



LAT...LON 4289 8247 4263 8251 4255 8259 4254 8266

      4237 8283 4235 8293 4244 8287 4252 8288

      4256 8284 4257 8278 4265 8281 4268 8271

      4272 8269 4270 8261 4264 8256 4265 8255

      4300 8247 4316 8254 4317 8247 4296 8242

TIME...MOT...LOC 1916Z 255DEG 40KT 4292 8264 4270 8288 4264 8306 



HAIL...>.75IN

WIND...49KTS



$$



BT






808 

WHUS53 KDTX 191942

SMWDTX

LHZ443-464-192045-

/O.NEW.KDTX.MA.W.0030.260519T1942Z-260519T2045Z/



BULLETIN - IMMEDIATE BROADCAST REQUESTED

Special Marine Warning

National Weather Service Detroit/Pontiac MI

342 PM EDT Tue May 19 2026



The National Weather Service in Detroit/Pontiac has issued a



* Special Marine Warning for...

  Lake Huron from Port Sanilac to Port Huron 5NM Off Shore to

  US/Canadian border...

  Port Sanilac to Port Huron MI...



* Until 445 PM EDT.



* At 342 PM EDT, a strong thunderstorm was located near Lakeport,

  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.



* The strong thunderstorm will be near...

  Lakeport around 345 PM EDT.

  Lexington around 350 PM EDT.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Move to safe harbor until hazardous weather passes.



&&



LAT...LON 4300 8242 4307 8246 4308 8245 4307 8250

      4322 8256 4326 8257 4327 8253 4343 8254

      4343 8221

TIME...MOT...LOC 1942Z 239DEG 40KT 4313 8262 



HAIL...<.75IN

WIND...40KTS



$$



BT