838
WHUS73 KGRB 172212
MWWGRB
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREEN BAY WI
512 PM CDT SUN MAY 17 2026
LMZ521-522-180615-
/O.CON.KGRB.SC.Y.0052.000000T0000Z-260519T0000Z/
GREEN BAY SOUTH OF LINE FROM CEDAR RIVER TO ROCK ISLAND PASSAGE
AND NORTH OF A LINE FROM OCONTO WI TO LITTLE STURGEON BAY WI-
GREEN BAY SOUTH OF LINE FROM OCONTO WI TO LITTLE STURGEON BAY WI-
512 PM CDT SUN MAY 17 2026
..SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT MONDAY
* WHAT...NORTHEAST WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT THIS EVENING,
THEN WINDS SHIFT TO THE SOUTH AND INCREASE TO 15 TO 20 KT LATE
TONIGHT WITH GUSTS UP TO 25 KT INTO MONDAY EVENING. WAVES AS
HIGH AS 2 TO 4 FEET ON MONDAY.
* WHERE...CENTRAL AND SOUTHERN BAY OF GREEN BAY.
* WHEN...UNTIL 7 PM CDT MONDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
* ADDITIONAL DETAILS...THE DIRECTION OF THE STRONGEST WIND GUSTS
MAY BE ERRATIC INTO THIS EVENING AS THUNDERSTORMS MOVE THROUGH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
LMZ541>543-180615-
/O.CON.KGRB.SC.Y.0052.000000T0000Z-260520T0600Z/
ROCK ISLAND PASSAGE TO STURGEON BAY WI-
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-
512 PM CDT SUN MAY 17 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM CDT
WEDNESDAY...
* WHAT...NORTHEAST WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT THIS
EVENING, THEN WINDS SHIFT TO THE SOUTH LATE TONIGHT, INCREASING
TO 10 TO 20 KT WITH GUSTS UP TO 30 KT AND WAVES 5 TO 8 FT MONDAY
THROUGH TUESDAY EVENING.
* WHERE...LAKE MICHIGAN NEARSHORE WATERS FROM WASHINGTON ISLAND
TO SHEBOYGAN.
* WHEN...UNTIL 1 AM CDT WEDNESDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
* ADDITIONAL DETAILS...THE DIRECTION OF THE STRONGEST WIND GUSTS
MAY BE ERRATIC INTO THIS EVENING AS THUNDERSTORMS MOVE THROUGH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
JLA
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