402
WHUS53 KDLH 091240
SMWDLH
LSZ140-141-162-091415-
/O.NEW.KDLH.MA.W.0030.250809T1240Z-250809T1415Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Special Marine Warning
National Weather Service Duluth MN
740 AM CDT Sat Aug 9 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 915 AM CDT.

* At 740 AM CDT, a strong thunderstorm was located 15 nm southeast of
  Grand Marais Harbor, or 16 nm northwest of The Western Lake
  Superior Buoy, moving northeast at 25 knots.

  HAZARD...Wind gusts 34 knots or greater.

  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 4799 8941 4793 8946 4789 8954 4787 8964
      4736 8998 4770 9054 4776 9041 4791 8981
      4801 8966
TIME...MOT...LOC 1240Z 221DEG 26KT 4753 9010

HAIL...0.00IN
WIND...>34KTS

$$

Britt