650
WHUS73 KGRB 020143
MWWGRB
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREEN BAY WI
843 PM CDT WED APR 1 2026
LMZ521-541-020945-
/O.EXT.KGRB.SC.Y.0034.000000T0000Z-260402T1300Z/
/O.NEW.KGRB.GL.W.0008.260402T1300Z-260403T0000Z/
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-
ROCK ISLAND PASSAGE TO STURGEON BAY WI-
843 PM CDT WED APR 1 2026
..SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 8 AM CDT THURSDAY
..GALE WARNING IN EFFECT FROM 8 AM TO 7 PM CDT THURSDAY
* WHAT...FOR THE SMALL CRAFT ADVISORY, EAST WINDS 15 TO 25 KTS
WITH GUSTS UP TO 30 KTS AND WAVES 3 TO 5 FT. FOR THE GALE
WARNING, EAST WINDS 15 TO 25 KTS WITH GUSTS UP TO 35 KTS. WAVES
3 TO 6 FT EXPECTED ON THE BAY AND 6 TO 10 FT ON THE LAKE.
* WHERE...LAKE MICHIGAN NEARSHORE WATERS FROM WASHINGTON ISLAND
TO STURGEON BAY, AND CENTRAL BAY OF GREEN BAY.
* WHEN...FOR THE SMALL CRAFT ADVISORY, UNTIL 8 AM CDT THURSDAY.
FOR THE GALE WARNING, FROM 8 AM TO 7 PM CDT THURSDAY.
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS WAVES WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
* ADDITIONAL DETAILS...A SMALL CRAFT ADVISORY WILL LIKELY BE
NEEDED AFTER THE GALE WARNING HAS EXPIRED OR BEEN CANCELLED.
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.
LMZ522-020945-
/O.EXT.KGRB.SC.Y.0034.000000T0000Z-260403T1000Z/
GREEN BAY SOUTH OF LINE FROM OCONTO WI TO LITTLE STURGEON BAY WI-
843 PM CDT WED APR 1 2026
..SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 AM CDT FRIDAY
* WHAT...EAST TO NORTHEAST WINDS 15 TO 20 KTS WITH GUSTS TO 25 TO
30 KTS, BECOMING WEST LATE ON THURSDAY NIGHT. WAVES 2 TO 5 FT
IN ICE FREE AREAS.
* WHERE...CENTRAL AND SOUTHERN BAY OF GREEN BAY.
* WHEN...UNTIL 5 AM CDT FRIDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
LMZ542-543-020945-
/O.CON.KGRB.SC.Y.0034.000000T0000Z-260403T1500Z/
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-
843 PM CDT WED APR 1 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT
FRIDAY...
* WHAT...NORTHEAST WINDS 15 TO 25 KTS, VEERING EAST TONIGHT,
SOUTHEAST TO SOUTH THURSDAY, THEN SOUTHWEST TO WEST THURSDAY
NIGHT. GUSTS TO 30 KTS AND WAVES PEAKING AT 5 TO 7 FT ON
THURSDAY.
* WHERE...LAKE MICHIGAN NEARSHORE WATERS FROM STURGEON BAY TO
SHEBOYGAN.
* WHEN...UNTIL 10 AM CDT FRIDAY.
* 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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