989
WHUS73 KGRB 180442
MWWGRB
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREEN BAY WI
1142 PM CDT SAT OCT 17 2026
LMZ541-181245-
/O.CAN.KGRB.SC.Y.0091.000000T0000Z-261018T0900Z/
/O.EXT.KGRB.GL.W.0013.261018T0442Z-261019T0600Z/
ROCK ISLAND PASSAGE TO STURGEON BAY WI-
1142 PM CDT SAT OCT 17 2026
..GALE WARNING NOW IN EFFECT UNTIL 1 AM CDT MONDAY
..SMALL CRAFT ADVISORY IS CANCELLED
* WHAT...FOR THE SMALL CRAFT ADVISORY, SOUTHWEST WINDS 15 TO 25
KTS WITH GUSTS UP TO 30 KTS AND WAVES 3 TO 5 FT. FOR THE GALE
WARNING, SOUTHWEST WINDS 15 TO 25 KTS WITH GUSTS UP TO 35 KTS
AND WAVES 4 TO 7 FT EXPECTED.
* WHERE...LAKE MICHIGAN NEARSHORE WATERS FROM WASHINGTON ISLAND
TO STURGEON BAY.
* WHEN...UNTIL 1 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.
LMZ521-522-181245-
/O.CON.KGRB.SC.Y.0091.000000T0000Z-261019T0300Z/
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-
1142 PM CDT SAT OCT 17 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT
SUNDAY...
* WHAT...SOUTHWEST WINDS 15 TO 25 KTS WITH GUSTS TO 30 KTS. A
FEW GALE FORCE GUSTS ARE POSSIBLE NEAR DEATHS DOOR MIDDAY
SUNDAY. WAVES 3 TO 6 FT.
* WHERE...CENTRAL AND SOUTHERN BAY OF GREEN BAY.
* WHEN...UNTIL 10 PM CDT SUNDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
LMZ542-543-181245-
/O.CON.KGRB.SC.Y.0091.000000T0000Z-261019T0600Z/
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-
1142 PM CDT SAT OCT 17 2026
..SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM CDT MONDAY
* WHAT...SOUTHWEST WINDS 15 TO 20 KTS WITH GUSTS UP TO 30 KTS
AND WAVES 4 TO 7 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.
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