143
WHUS53 KMQT 172139
SMWMQT
LSZ263-172245-
/O.NEW.KMQT.MA.W.0002.260417T2139Z-260417T2245Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE MARQUETTE MI
539 PM EDT FRI APR 17 2026
THE NATIONAL WEATHER SERVICE IN MARQUETTE HAS ISSUED A
* SPECIAL MARINE WARNING FOR...
LAKE SUPERIOR FROM SAXON HARBOR WI TO UPPER ENTRANCE TO PORTAGE
CANAL MI 5NM OFF SHORE TO THE US/CANADIAN BORDER INCLUDING ISLE
ROYALE NATIONAL PARK...
* UNTIL 645 PM EDT.
* AT 539 PM EDT, A STRONG THUNDERSTORM WAS LOCATED 16 NM SOUTH OF
GRAND MARAIS HARBOR, OR 17 NM NORTHWEST OF THE WESTERN LAKE
SUPERIOR BUOY, MOVING NORTHEAST AT 45 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...
ROCK OF AGES LIGHT AND THE WESTERN LAKE SUPERIOR BUOY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO SAFE HARBOR UNTIL HAZARDOUS WEATHER PASSES.
LAT...LON 4786 8964 4788 8955 4793 8946 4799 8941
4797 8934 4755 8908 4726 9004
TIME...MOT...LOC 2139Z 238DEG 47KT 4748 9021
HAIL...<.75IN
WIND...>34KTS
GS
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