766
WHUS73 KGRR 160848
MWWGRR
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
348 AM EST TUE DEC 16 2025
LMZ846>849-161700-
/O.NEW.KGRR.GL.W.0033.251216T1600Z-251217T0900Z/
HOLLAND TO GRAND HAVEN MI-GRAND HAVEN TO WHITEHALL MI-
WHITEHALL TO PENTWATER MI-PENTWATER TO MANISTEE MI-
348 AM EST TUE DEC 16 2025
...GALE WARNING IN EFFECT FROM 11 AM THIS MORNING TO 4 AM EST
WEDNESDAY...
* WHAT...SOUTHWEST WINDS 20 TO 25 KNOTS INCREASING TO GALES TO 35
KNOTS AND WAVES 6 TO 11 FEET EXPECTED.
* WHERE...HOLLAND TO MANISTEE.
* WHEN...FROM 11 AM THIS MORNING TO 4 AM EST WEDNESDAY.
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS WAVES WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
* ADDITIONAL DETAILS...WINDS WILL RAMP UP TO GALE FORCE EARLY THIS
AFTERNOON. THE STRONGEST WINDS ARE EXPECTED FROM THIS AFTERNOON
INTO AND THROUGH THE EVENING. WAVES WILL LIKELY EXCEED 10 FEET
IN AREAS NORTH OF HOLLAND TODAY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD ALTER PLANS TO AVOID THESE HAZARDOUS CONDITIONS.
REMAIN IN PORT, SEEK SAFE HARBOR, ALTER COURSE, AND/OR SECURE THE
VESSEL FOR HAZARDOUS CONDITIONS.
LMZ844-845-161700-
/O.NEW.KGRR.SC.Y.0112.251216T1600Z-251217T2000Z/
ST JOSEPH TO SOUTH HAVEN MI-SOUTH HAVEN TO HOLLAND MI-
348 AM EST TUE DEC 16 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 3 PM
EST WEDNESDAY...
* WHAT...SOUTHWEST WINDS 15 TO 25 KNOTS WITH GUSTS UP TO 30
KNOTS AND WAVES 5 TO 8 FEET EXPECTED.
* WHERE...ST JOSEPH TO HOLLAND.
* WHEN...FROM 11 AM THIS MORNING TO 3 PM EST WEDNESDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
* ADDITIONAL DETAILS...WINDS AND WAVES ARE EXPECTED TO RAMP UP
THIS AFTERNOON AND CONTINUE INTO TONIGHT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
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