001
WHUS73 KGRB 171430
MWWGRB
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREEN BAY WI
930 AM CDT SUN MAY 17 2026
LMZ521-522-180000-
/O.NEW.KGRB.SC.Y.0052.260517T1430Z-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-
930 AM CDT SUN MAY 17 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT MONDAY
* WHAT...NORTHEAST WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT INTO
THIS EVENING, THEN WINDS SHIFT TO THE SOUTH AND INCREASE TO 15
TO 20 KT LATE WITH GUSTS UP TO 25 KT LATE TONIGHT INTO MONDAY
EVENING. WAVES AS HIGH AS 2 TO 3 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 STRONGEST WIND GUSTS MAY
BE ERRATIC THIS AFTERNOON AS THUNDERSTORMS MOVE THROUGH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
LMZ541>543-180000-
/O.NEW.KGRB.SC.Y.0052.260517T1430Z-260520T0600Z/
ROCK ISLAND PASSAGE TO STURGEON BAY WI-
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-
930 AM CDT SUN MAY 17 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT WEDNESDAY
* WHAT...NORTHEAST WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT INTO
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 STRONGEST WIND GUSTS MAY
BE ERRATIC THIS AFTERNOON 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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