FZUS73 KDTX 050033 MWSDTX Marine Weather Statement National Weather Service Detroit/Pontiac MI 833 PM EDT Mon May 4 2026 LCZ422-050130- 833 PM EDT Mon May 4 2026 ...A STRONG THUNDERSTORM APPROACHING THE WATERS... The areas affected include... St. Clair River... At 830 PM EDT, Doppler radar indicated a strong thunderstorm, capable of producing winds up to 30 knots. This thunderstorm was located near St. Clair, moving east at 40 knots. There are additional isolated storms located west of the ongoing activity, located over central Macomb and Oakland County, that may impact the St. Clair River over the next hour through 930PM EDT. The strong thunderstorm will be near... St. Clair around 835 PM EDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect gusty winds up to 30 knots, locally higher waves, and lightning strikes. Boaters should seek safe harbor immediately until this storm passes. Mariners can expect gusty winds up to 30 knots, locally higher waves, lightning strikes, and heavy downpours. Boaters should seek safe harbor immediately until this storm passes. && LAT...LON 4293 8245 4289 8247 4286 8247 4280 8248 4276 8247 4268 8251 4270 8254 4276 8251 4289 8252 4301 8247 4302 8242 4299 8242 4297 8241 $$ AM