924
WHUS73 KGRR 110817
MWWGRR
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
417 AM EDT THU JUN 11 2026
LMZ844>849-111630-
/O.NEW.KGRR.SC.Y.0040.260612T0000Z-260612T1600Z/
ST JOSEPH TO SOUTH HAVEN MI-SOUTH HAVEN TO HOLLAND MI-
HOLLAND TO GRAND HAVEN MI-GRAND HAVEN TO WHITEHALL MI-
WHITEHALL TO PENTWATER MI-PENTWATER TO MANISTEE MI-
417 AM EDT THU JUN 11 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO NOON
EDT FRIDAY...
* WHAT...SOUTHWEST WINDS 15 TO 25 KNOTS WITH GUSTS UP TO 30 KNOTS
AND WAVES 3 TO 6 FEET EXPECTED. WINDS AND WAVES LOCALLY HIGHER
IN AND NEAR THUNDERSTORMS THIS EVENING.
* WHERE...ST JOSEPH TO MANISTEE.
* WHEN...FROM 8 PM THIS EVENING TO NOON EDT FRIDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
* ADDITIONAL DETAILS...AN INCREASE IN SOUTHWEST WINDS THIS EVENING
WILL BUILD WAVES INTO THE 3 TO 6 FOOT RANGE. STRONG TO SEVERE
WINDS ARE POSSIBLE THIS EVENING AS THUNDERSTORMS SWEEP EAST
ACROSS THE LAKE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
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