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WHUS53 KDLH 041043
SMWDLH
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/O.NEW.KDLH.MA.W.0019.250704T1043Z-250704T1115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Special Marine Warning
National Weather Service Duluth MN
543 AM CDT Fri Jul 4 2025

The National Weather Service in Duluth MN has issued a

* Special Marine Warning for...
  Duluth MN to Port Wing WI...
  Lake Superior west of a line from Saxon Harbor WI to Grand Portage
  MN beyond 5NM...
  Port Wing to Sand Island WI...
  Silver Bay Harbor to Two Harbors MN...
  Two Harbors to Duluth MN...

* Until 615 AM CDT.

* At 542 AM CDT, a severe thunderstorm was located near Two Harbors
  Protected Access Agate Bay, or 24 nm northeast of Duluth Lift
  Bridge Channel, moving east at 20 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...

Frequent lightning is occurring with this storm. If caught on the
open water stay below deck if possible, keep away from ungrounded
metal objects.

&&

LAT...LON 4684 9161 4699 9167 4715 9125 4690 9114
TIME...MOT...LOC 1042Z 252DEG 18KT 4695 9154

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

$$

LE