379
WHUS73 KGRR 180803
MWWGRR
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
403 AM EDT SUN OCT 18 2026
LMZ847>849-181615-
/O.CON.KGRR.SC.Y.0078.000000T0000Z-261019T0300Z/
GRAND HAVEN TO WHITEHALL MI-WHITEHALL TO PENTWATER MI-
PENTWATER TO MANISTEE MI-
403 AM EDT SUN OCT 18 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT THIS
EVENING...
* WHAT...SOUTHWEST WINDS 20 TO 30 KNOTS AND WAVES 7 TO 10 FEET
EXPECTED.
* WHERE...GRAND HAVEN TO MANISTEE.
* WHEN...UNTIL 11 PM EDT SUNDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
LMZ844>846-181615-
/O.CON.KGRR.SC.Y.0078.000000T0000Z-261019T0300Z/
ST JOSEPH TO SOUTH HAVEN MI-SOUTH HAVEN TO HOLLAND MI-
HOLLAND TO GRAND HAVEN MI-
403 AM EDT SUN OCT 18 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT THIS
EVENING...
* WHAT...SOUTHWEST WINDS 15 TO 25 KNOTS WITH GUSTS UP TO 30
KNOTS AND WAVES 4 TO 7 FEET EXPECTED.
* WHERE...ST JOSEPH TO GRAND HAVEN.
* WHEN...FROM 8 PM THIS EVENING TO 11 PM EDT SUNDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
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