Special Marine Warning
Issued by NWS Detroit/Pontiac, MI

776
WHUS53 KDTX 091849
SMWDTX
LCZ422-423-460-092000-
/O.NEW.KDTX.MA.W.0021.260509T1849Z-260509T2000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Special Marine Warning
National Weather Service Detroit/Pontiac MI
249 PM EDT Sat May 9 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)...
  St. Clair River...

* Until 400 PM EDT.

* At 248 PM EDT, strong thunderstorms were located along a line
  extending from near Lakeport to 14 nm northwest of St. Clair Shores
  to 29 nm northwest of Monroe Harbor, moving east at 25 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.

* Strong thunderstorms will be near...
  Port Huron around 255 PM EDT.
  New Baltimore around 300 PM EDT.
  St. Clair around 305 PM EDT.
  St. Clair Shores around 310 PM EDT.
  Mt Clemens Harbor Of Refuge and Metro Beach Metropark Marina
  around 315 PM EDT.
  Algonac, St Clair Flats Old Channel Light, The Ambassador Bridge,
  Grosse Pointe, Belle Isle, and Wyandotte around 325 PM EDT.
  Gibraltar around 335 PM EDT.
  Elizabeth Park Marina and Grosse Ile around 340 PM EDT.

Other locations impacted by strong thunderstorms include Gibraltar.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to safe harbor until hazardous weather passes.

&&

LAT...LON 4261 8252 4255 8259 4254 8266 4238 8282
      4231 8308 4224 8313 4202 8314 4203 8326
      4225 8318 4233 8311 4239 8295 4256 8289
      4259 8285 4266 8285 4272 8269 4270 8261
      4264 8256 4265 8255 4303 8248 4301 8242
TIME...MOT...LOC 1848Z 288DEG 25KT 4316 8239 4267 8314 4219 8387

HAIL...<.75IN
WIND...40KTS

$$

cb