770
WHUS53 KDLH 231025
SMWDLH
LSZ140-141-162-231100-
/O.NEW.KDLH.MA.W.0015.250623T1025Z-250623T1100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Special Marine Warning
National Weather Service Duluth MN
525 AM CDT Mon Jun 23 2025

The National Weather Service in Duluth MN has issued a

* Special Marine Warning for...
  Grand Marais to Taconite Harbor MN...
  Grand Portage to Grand Marais MN...
  Lake Superior west of a line from Saxon Harbor WI to Grand Portage
  MN beyond 5NM...

* Until 600 AM CDT.

* At 524 AM CDT, strong thunderstorms were located along a line
  extending from near Grand Marais Harbor to 16 nm northwest of The
  Western Lake Superior Buoy to 17 nm northeast of Devils Island,
  moving east at 75 knots.

  HAZARD...Wind gusts 34 knots or greater and small hail.

  SOURCE...Radar.

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

* Locations impacted include...
  Horseshoe Bay And Safe Harbor, Grand Portage Marina, and Grand
  Marais Harbor.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to safe harbor until hazardous weather passes.

&&

LAT...LON 4801 8961 4799 8941 4793 8946 4787 8964
      4719 9009 4716 9068 4751 9060 4768 9066
      4773 9054 4791 8981
TIME...MOT...LOC 1024Z 260DEG 75KT 4773 9026 4754 9010 4719 9034

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

$$

NLy