Special Marine Warning
Issued by NWS Detroit/Pontiac, MI

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498
WHUS53 KDTX 250026
SMWDTX
LCZ422-423-460-250130-
/O.NEW.KDTX.MA.W.0055.250725T0026Z-250725T0130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Special Marine Warning
National Weather Service Detroit/Pontiac MI
826 PM EDT Thu Jul 24 2025

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 930 PM EDT.

* At 826 PM EDT, a strong thunderstorm was located 7 nm northwest of
  St. Clair Shores, moving east at 35 knots.

  HAZARD...Wind gusts to nearly 50 knots.

  SOURCE...Radar.

  IMPACT...Small craft could be damaged in briefly higher winds and
           suddenly higher waves.

* The strong thunderstorm will be near...
  St. Clair Shores around 830 PM EDT.
  Mt Clemens Harbor Of Refuge and Metro Beach Metropark Marina
  around 835 PM EDT.
  St Clair Flats Old Channel Light around 840 PM EDT.
  Algonac around 850 PM EDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to safe harbor until hazardous weather passes.

&&

LAT...LON 4261 8252 4255 8259 4254 8266 4237 8283
      4232 8307 4234 8307 4241 8293 4254 8291
      4266 8285 4272 8269 4270 8261 4269 8260
      4265 8259 4265 8255 4276 8251 4289 8252
      4290 8247 4276 8247
TIME...MOT...LOC 0026Z 272DEG 36KT 4259 8300

HAIL...0.00IN
WIND...49KTS

$$

MV