583
WHUS73 KGRB 271433
MWWGRB
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREEN BAY WI
933 AM CDT MON APR 27 2026
LMZ541-272245-
/O.CON.KGRB.SC.Y.0046.260427T1500Z-260428T1800Z/
ROCK ISLAND PASSAGE TO STURGEON BAY WI-
933 AM CDT MON APR 27 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM CDT
TUESDAY...
* WHAT...SOUTHEAST TO SOUTH WINDS 15 TO 25 KTS WITH GUSTS UP TO 30
KTS TODAY, VEERING SOUTHWEST THIS EVENING AND THEN WEST LATE
TONIGHT INTO TUESDAY MORNING. WAVES BUILDING TO 5 TO 9 FT TODAY
AND TONIGHT, SUBSIDING TO 2 TO 4 FT TUESDAY MORNING.
* WHERE...LAKE MICHIGAN NEARSHORE WATERS FROM WASHINGTON ISLAND
TO STURGEON BAY.
* WHEN...UNTIL 1 PM CDT TUESDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
LMZ542-543-272245-
/O.CON.KGRB.SC.Y.0046.000000T0000Z-260428T1800Z/
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-
933 AM CDT MON APR 27 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM CDT
TUESDAY...
* WHAT...SOUTHEAST TO SOUTH WINDS 15 TO 25 KTS WITH GUSTS UP TO 30
KTS TODAY, VEERING SOUTHWEST THIS EVENING AND THEN WEST LATE
TONIGHT INTO TUESDAY MORNING. WAVES BUILDING TO 6 TO 10 FT
TODAY AND TONIGHT, SUBSIDING TO 2 TO 4 FT TUESDAY MORNING.
* WHERE...LAKE MICHIGAN NEARSHORE WATERS FROM STURGEON BAY TO
SHEBOYGAN.
* WHEN...UNTIL 1 PM CDT TUESDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
LMZ521-522-272245-
/O.CON.KGRB.SC.Y.0046.260427T1500Z-260428T1800Z/
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-
933 AM CDT MON APR 27 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM CDT
TUESDAY...
* WHAT...SOUTHEAST TO SOUTH WINDS 15 TO 25 KTS WITH GUSTS UP TO 30
KTS TODAY, VEERING SOUTHWEST THIS EVENING AND THEN WEST LATE
TONIGHT INTO TUESDAY MORNING. WAVES BUILDING TO 2 TO 5 FT TODAY
AND TONIGHT, SUBSIDING TO 1 TO 3 FT TUESDAY MORNING.
* WHERE...CENTRAL AND SOUTHERN BAY OF GREEN BAY.
* WHEN...UNTIL 1 PM CDT TUESDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page