Special Marine Warning
Issued by NWS Duluth, MN

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WHUS53 KDLH 262134
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LSZ140-141-162-262215-
/O.NEW.KDLH.MA.W.0026.250726T2134Z-250726T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Special Marine Warning
National Weather Service Duluth MN
434 PM CDT Sat Jul 26 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 515 PM CDT.

* At 433 PM CDT, severe thunderstorms capable of producing
  waterspouts, wind gusts to 40 knots, and hail to the size of
  pennies were located along a line extending from 8 nm south of
  Horseshoe Bay And Safe Harbor to 20 nm southwest of Grand Portage
  Marina to 6 nm southeast of Grand Marais Harbor, moving east at 40
  knots.

  HAZARD...Waterspouts, wind gusts to 40 knots, and large hail.

  SOURCE...Radar.

  IMPACT...Waterspouts can easily overturn boats and create locally
           hazardous seas. Small craft could be damaged in briefly
           higher winds and suddenly higher waves. Large hail could
           result in structural damage.

* Locations impacted include...
  Grand Marais Harbor.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to safe harbor until hazardous weather passes.

Thunderstorms can produce sudden waterspouts. Waterspouts can easily
overturn boats and create locally hazardous seas. Seek safe harbor
immediately.

&&

LAT...LON 4779 8969 4751 8988 4766 9070 4775 9046
      4783 9012
TIME...MOT...LOC 2133Z 281DEG 42KT 4772 8986 4771 9004 4766 9024

WATERSPOUT...POSSIBLE
HAIL...>.75IN
WIND...40KTS

$$

Huyck