264
WHUS73 KGRB 181907
MWWGRB
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREEN BAY WI
207 PM CDT SUN OCT 18 2026
LMZ541-190600-
/O.EXT.KGRB.GL.W.0013.000000T0000Z-261019T0100Z/
/O.EXB.KGRB.SC.Y.0091.261019T0100Z-261019T0900Z/
ROCK ISLAND PASSAGE TO STURGEON BAY WI-
207 PM CDT SUN OCT 18 2026
..GALE WARNING NOW IN EFFECT UNTIL 8 PM CDT THIS EVENING
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 4 AM
CDT MONDAY...
* WHAT...FOR THE GALE WARNING, SOUTHWEST WINDS 20 TO 25 KT WITH
GUSTS UP TO 35 KT AND WAVES 5 TO 8 FT. FOR THE SMALL CRAFT
ADVISORY, SOUTHWEST WINDS 10 TO 20 KT WITH GUSTS UP TO 30 KT
AND WAVES 5 TO 8 FT EXPECTED.
* WHERE...LAKE MICHIGAN NEARSHORE WATERS FROM WASHINGTON ISLAND
TO STURGEON BAY.
* WHEN...FOR THE GALE WARNING, UNTIL 8 PM CDT THIS EVENING. FOR
THE SMALL CRAFT ADVISORY, FROM 8 PM THIS EVENING TO 4 AM CDT
MONDAY.
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS WAVES WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
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.
LMZ521-522-190600-
/O.EXT.KGRB.SC.Y.0091.000000T0000Z-261019T0600Z/
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-
207 PM CDT SUN OCT 18 2026
..SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 AM CDT MONDAY
* WHAT...SOUTHWEST WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT AND
WAVES 2 TO 5 FT.
* WHERE...CENTRAL AND SOUTHERN BAY OF GREEN BAY.
* WHEN...UNTIL 1 AM CDT MONDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
LMZ542-543-190600-
/O.CON.KGRB.SC.Y.0091.000000T0000Z-261019T0600Z/
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-
207 PM CDT SUN OCT 18 2026
..SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM CDT MONDAY
* WHAT...SOUTHWEST WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT AND
WAVES 3 TO 6 FT.
* WHERE...LAKE MICHIGAN NEARSHORE WATERS FROM STURGEON BAY TO
SHEBOYGAN.
* WHEN...UNTIL 1 AM CDT MONDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
JLA
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