603
WHUS53 KMQT 072158
SMWMQT
LSZ264-266-072300-
/O.NEW.KMQT.MA.W.0094.260807T2158Z-260807T2300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE MARQUETTE MI
558 PM EDT FRI AUG 7 2026
THE NATIONAL WEATHER SERVICE IN MARQUETTE HAS ISSUED A
* SPECIAL MARINE WARNING FOR...
LAKE SUPERIOR EAST OF A LINE FROM MANITOU ISLAND TO MARQUETTE MI
AND WEST OF A LINE FROM GRAND MARAIS MI TO THE US/CANADIAN BORDER
BEYOND 5NM FROM SHORE...
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER...
* UNTIL 700 PM EDT.
* AT 555 PM EDT, A SEVERE THUNDERSTORM WAS LOCATED 21 NM NORTHWEST OF
BROCKWAY MOUNTAIN, OR 26 NM SOUTH OF MOTT ISLAND PARK HEADQUARTERS,
MOVING NORTHEAST AT 30 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.
* LOCATIONS IMPACTED INCLUDE...
THE CENTRAL LAKE SUPERIOR BUOY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO SAFE HARBOR UNTIL HAZARDOUS WEATHER PASSES.
LAT...LON 4786 8725 4756 8844 4771 8854 4807 8778
TIME...MOT...LOC 2155Z 245DEG 31KT 4767 8840
HAIL...>.75IN
WIND...>34KTS
TDUD
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