021
WHUS53 KDTX 211730
SMWDTX
LHZ462-463-211815-
/O.NEW.KDTX.MA.W.0033.250621T1730Z-250621T1815Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Special Marine Warning
National Weather Service Detroit/Pontiac MI
130 PM EDT Sat Jun 21 2025

The National Weather Service in Detroit/Pontiac has issued a

* Special Marine Warning for...
  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 215 PM EDT.

* At 130 PM EDT, a severe thunderstorm was located 12 nm east of
  Harbor Beach, moving east at 40 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 4367 8252 4380 8253 4384 8255 4398 8221
      4364 8213
TIME...MOT...LOC 1730Z 262DEG 42KT 4379 8237

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

$$

MV