543
WHUS73 KGRB 201817
MWWGRB
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREEN BAY WI
117 PM CDT SUN SEP 20 2026
LMZ521-522-541-210230-
/O.EXT.KGRB.SC.Y.0083.000000T0000Z-260923T0000Z/
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-
ROCK ISLAND PASSAGE TO STURGEON BAY WI-
117 PM CDT SUN SEP 20 2026
..SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 PM CDT TUESDAY
* WHAT...NORTHEAST WINDS 10 TO 20 KT WITH GUSTS UP TO 25 KT AND
WAVES 2 TO 5 FT.
* WHERE...CENTRAL AND SOUTHERN BAY OF GREEN BAY, AND LAKE
MICHIGAN NEARSHORE WATERS FROM WASHINGTON ISLAND TO STURGEON
BAY.
* WHEN...UNTIL 7 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.
LMZ542-543-210230-
/O.CON.KGRB.SC.Y.0083.000000T0000Z-260923T0000Z/
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-
117 PM CDT SUN SEP 20 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT
TUESDAY...
* WHAT...NORTHEAST WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT AND
WAVES 4 TO 8 FT.
* WHERE...LAKE MICHIGAN NEARSHORE WATERS FROM STURGEON BAY TO
SHEBOYGAN.
* WHEN...UNTIL 7 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.
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