FZUS73 KDTX 192112
MWSDTX

Marine Weather Statement
National Weather Service Detroit/Pontiac MI
512 PM EDT Tue May 19 2026

LCZ422-192122-
/O.CAN.KDTX.MA.W.0031.000000T0000Z-260519T2130Z/
512 PM EDT Tue May 19 2026

...THE SPECIAL MARINE WARNING IS CANCELLED...

The affected areas were...
St. Clair River...

The thunderstorms have  moved out of the warned area and no longer 
pose a significant threat to boaters.

A Severe Thunderstorm Watch remains in effect until 700 PM EDT for
southeastern Michigan...and the adjacent waters of Lake St. Clair.

&&

LAT...LON 4198 8327 4209 8324 4232 8312 4239 8295
      4244 8291 4254 8291 4259 8285 4266 8285
      4270 8273 4270 8261 4265 8259 4256 8260
      4254 8266 4238 8282 4233 8303 4230 8309
      4224 8313 4209 8313
TIME...MOT...LOC 2112Z 279DEG 36KT 4254 8254 4238 8281 4220 8312 

$$

LCZ423-460-192130-
/O.CON.KDTX.MA.W.0031.000000T0000Z-260519T2130Z/
512 PM EDT Tue May 19 2026

...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)...

At 512 PM EDT, severe thunderstorms were located along a line
extending from near Algonac to near Grosse Pointe to near Wyandotte,
moving east at 35 knots.

HAZARD...Wind gusts in excess of 50 knots and small hail.

SOURCE...Radar indicated.

IMPACT...Boats could suffer significant structural damage in high 
         winds. Small craft could capsize in suddenly higher waves.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to safe harbor until hazardous weather passes.

Move to safe harbor immediately as gusty winds and high waves are
expected.

&&

LAT...LON 4198 8327 4209 8324 4232 8312 4239 8295
      4244 8291 4254 8291 4259 8285 4266 8285
      4270 8273 4270 8261 4265 8259 4256 8260
      4254 8266 4238 8282 4233 8303 4230 8309
      4224 8313 4209 8313
TIME...MOT...LOC 2112Z 279DEG 36KT 4254 8254 4238 8281 4220 8312 

HAIL...<.75IN
WIND...50KTS

$$

KGK