Alert archive / Wisconsin / Small Craft Advisories in 2021

Small Craft Advisory 69, NWS Green Bay, WI

September 24, 2021

NWS Green Bay, WI issued this small craft advisory at Sep 24, 2021, 4:14 AM CDT. It took effect at Sep 24, 2021, 1:00 PM CDT. It was in force for 30 hr.

The area

The counties it named.

The facts

Issued
Sep 24, 2021, 4:14 AM CDT (09:14 UTC)
In effect from
Sep 24, 2021, 1:00 PM CDT
Expired
Sep 25, 2021, 7:00 PM CDT
In force
30 hr
Issued by
NWS Green Bay, WI

The text

As transmitted.

327 
WHUS73 KGRB 240914
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
414 AM CDT Fri Sep 24 2021

LMZ521-522-541>543-241715-
/O.NEW.KGRB.SC.Y.0069.210924T1800Z-210925T1000Z/
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-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
414 AM CDT Fri Sep 24 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO
5 AM CDT SATURDAY...

* WHAT...South to southwest winds 15 to 25 kts, shifting 
  northwest tonight. Waves reaching 2 to 4 ft on the bay and 4 to 
  6 ft on the lake.

* WHERE...Lake Michigan nearshore waters from Washington Island 
  to Sheboygan, and Central and Southern Bay of Green Bay.

* WHEN...From 1 PM this afternoon to 5 AM CDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

* ADDITIONAL DETAILS...Northwest winds will become gusty on
  Saturday, possibly leading to another round of conditions
  hazardous to small craft from late morning through the
  afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

JS
8 follow-up statements
297 
WHUS73 KGRB 240926
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
426 AM CDT Fri Sep 24 2021

LMZ521-522-541>543-241730-
/O.CON.KGRB.SC.Y.0069.210924T1800Z-210925T1000Z/
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-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
426 AM CDT Fri Sep 24 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 PM THIS
AFTERNOON TO 5 AM CDT SATURDAY...

* WHAT...South to southwest winds 15 to 25 kts, shifting northwest
  tonight. Waves reaching 2 to 4 ft on the bay and 4 to 7 ft on 
  the lake.

* WHERE...Lake Michigan nearshore waters from Washington Island 
  to Sheboygan, and Central and Southern Bay of Green Bay.

* WHEN...From 1 PM this afternoon to 5 AM CDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

* ADDITIONAL DETAILS...West winds will become gusty on Saturday, 
  possibly leading to another round of conditions hazardous to 
  small craft from late morning through the afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

JS
997 
WHUS73 KGRB 241507
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
1007 AM CDT Fri Sep 24 2021

LMZ521-522-541>543-242315-
/O.EXT.KGRB.SC.Y.0069.210924T1800Z-210926T0000Z/
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-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
1007 AM CDT Fri Sep 24 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 1 PM THIS AFTERNOON TO
7 PM CDT SATURDAY...

* WHAT...South to southwest winds 15 to 25 kts this afternoon and
  evening, shifting west and northwest tonight then backing west
  on Saturday. Waves reaching 2 to 4 ft on the bay and 4 to 7 ft
  on the lake this afternoon and evening. Waves of 2 to 4 ft are
  expected on Saturday.

* WHERE...Lake Michigan nearshore waters from Washington Island 
  to Sheboygan, and Central and Southern Bay of Green Bay.

* WHEN...From 1 PM this afternoon to 7 PM CDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

Bersch
197 
WHUS73 KGRB 241948
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
248 PM CDT Fri Sep 24 2021

LMZ521-522-541>543-250400-
/O.CON.KGRB.SC.Y.0069.000000T0000Z-210926T0000Z/
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-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
248 PM CDT Fri Sep 24 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT
SATURDAY...

* WHAT...South to southwest winds 15 to 25 kts shifting west and
  northwest this evening, then backing west on Saturday. Waves
  reaching 2 to 4 ft on the bay. Waves 4 to 7 ft on the lake this
  evening subsiding to 2 to 4 ft on Saturday.

* WHERE...Lake Michigan nearshore waters from Washington Island 
  to Sheboygan, and Central and Southern Bay of Green Bay.

* WHEN...Until 7 PM CDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$
Eckberg
505 
WHUS73 KGRB 250157
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
857 PM CDT Fri Sep 24 2021

LMZ521-522-541>543-251000-
/O.CON.KGRB.SC.Y.0069.000000T0000Z-210926T0000Z/
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-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
857 PM CDT Fri Sep 24 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT
SATURDAY...

* WHAT...Northwest wind 15 to 25 kts backing west 10 to 20 kts
  overnight. Waves 2 to 4 ft on the bay. Waves 3 to 6 ft subsiding
  to 2 to 4 ft by Saturday afternoon.

* WHERE...Lake Michigan nearshore waters from Washington Island 
  to Sheboygan, and Central and Southern Bay of Green Bay.

* WHEN...Until 7 PM CDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$
Eckberg
844 
WHUS73 KGRB 250827
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
327 AM CDT Sat Sep 25 2021

LMZ521-522-541>543-251630-
/O.CON.KGRB.SC.Y.0069.000000T0000Z-210926T0000Z/
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-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
327 AM CDT Sat Sep 25 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING...

* WHAT...West wind 15 to 25 kts and waves of 2 to 4 ft.

* WHERE...Lake Michigan nearshore waters from Washington Island 
  to Sheboygan, and Central and Southern Bay of Green Bay.

* WHEN...Until 7 PM CDT this evening.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

JS
994 
WHUS73 KGRB 251443
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
943 AM CDT Sat Sep 25 2021

LMZ521-522-541>543-252245-
/O.CON.KGRB.SC.Y.0069.000000T0000Z-210926T0000Z/
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-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
943 AM CDT Sat Sep 25 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING...

* WHAT...West wind of 15 to 25 knots and waves of 2 to 4 feet.

* WHERE...Lake Michigan nearshore waters from Washington Island 
  to Sheboygan, and Central and Southern Bay of Green Bay.

* WHEN...Until 7 PM CDT this evening.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

Hykin
831 
WHUS73 KGRB 251943
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
243 PM CDT Sat Sep 25 2021

LMZ521-522-541>543-260000-
/O.CON.KGRB.SC.Y.0069.000000T0000Z-210926T0000Z/
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-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
243 PM CDT Sat Sep 25 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING...

* WHAT...West wind of 10 to 20 knots with a few gusts to around 25
  knots and waves of 1 to 3 feet.

* WHERE...Lake Michigan nearshore waters from Washington Island 
  to Sheboygan, and Central and Southern Bay of Green Bay.

* WHEN...Until 7 PM CDT this evening.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$
Eckberg
943 
WHUS73 KGRB 252344
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
644 PM CDT Sat Sep 25 2021

LMZ521-522-541>543-260045-
/O.EXP.KGRB.SC.Y.0069.000000T0000Z-210926T0000Z/
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-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
644 PM CDT Sat Sep 25 2021

...SMALL CRAFT ADVISORY WILL EXPIRE AT 7 PM CDT THIS EVENING...

Winds have diminished, thus the small craft advisory will be 
allowed to expire at 7 PM. 

$$

Eckberg

The office that day

Everything else NWS Green Bay, WI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 24, 10:11 AM CDTBeach Hazards StatementGRBDoor, Kewaunee, Manitowoc15 hr
Sep 24, 5:31 PM CDTSpecial Weather StatementGRBMenominee, Oconto, Outagamie, Shawano, Waupaca, Waushara and 1 more44 min

Nearby

Small Craft Advisories in Wisconsin, 2021Every small craft advisory in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.