407
WHUS53 KDTX 252143
SMWDTX
LHZ442-462-463-252245-
/O.NEW.KDTX.MA.W.0012.250425T2143Z-250425T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Special Marine Warning
National Weather Service Detroit/Pontiac MI
543 PM EDT Fri Apr 25 2025

The National Weather Service in Detroit/Pontiac has issued a

* Special Marine Warning for...
  Harbor Beach to Port Sanilac MI...
  Lake Huron from Harbor Beach to Port Sanilac 5NM Off Shore to
  US/Canadian border...
  Lake Huron from Port Austin to Harbor Beach 5NM Off Shore to the
  US/Canadian border...

* Until 645 PM EDT.

* At 542 PM EDT, a severe thunderstorm was located 9 nm south of
  Harbor Beach, moving northeast at 25 knots.

  HAZARD...Wind gusts 34 knots or greater 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.

* The severe thunderstorm will remain over mainly open waters.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to safe harbor until hazardous weather passes.

&&

LAT...LON 4358 8262 4377 8265 4380 8267 4385 8261
      4384 8255 4388 8256 4409 8224 4372 8215
TIME...MOT...LOC 2142Z 234DEG 27KT 4369 8265

HAIL...>.75IN
WIND...>34KTS

$$

TF