973
WHUS53 KMQT 180822
SMWMQT
LSZ248-249-265-266-180915-
/O.NEW.KMQT.MA.W.0004.260518T0822Z-260518T0915Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE MARQUETTE MI
422 AM EDT MON MAY 18 2026
THE NATIONAL WEATHER SERVICE IN MARQUETTE HAS ISSUED A
* SPECIAL MARINE WARNING FOR...
HURON ISLANDS TO MARQUETTE MI...
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 WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE...
MARQUETTE TO MUNISING MI...
* UNTIL 515 AM EDT.
* AT 422 AM EDT, SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 19 NM SOUTH OF THE LOWER ENTRANCE OF PORTAGE CANAL
TO 15 NM SOUTHWEST OF LITTLE PRESQUE ISLE, MOVING NORTHEAST AT 55
KNOTS.
HAZARD...LARGE HAIL.
SOURCE...RADAR.
IMPACT...LARGE HAIL COULD RESULT IN STRUCTURAL DAMAGE.
* LOCATIONS IMPACTED INCLUDE...
LITTLE PRESQUE ISLE, GRANITE ISLAND, STANNARD ROCK, GRANITE POINT,
AND PRESQUE ISLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO SAFE HARBOR UNTIL HAZARDOUS WEATHER PASSES.
FREQUENT LIGHTNING IS OCCURRING WITH THESE STORMS. IF CAUGHT ON THE
OPEN WATER STAY BELOW DECK IF POSSIBLE, KEEP AWAY FROM UNGROUNDED
METAL OBJECTS.
LAT...LON 4705 8632 4649 8741 4681 8772 4686 8800
4686 8809 4691 8802 4691 8800 4693 8799
4742 8724
TIME...MOT...LOC 0822Z 229DEG 54KT 4666 8827 4643 8770
HAIL...>.75IN
WIND...<34KTS
TAP
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