Alert archive / Wisconsin / Small Craft Advisories in 2021

Small Craft Advisory 77, NWS Green Bay, WI

October 24, 2021

NWS Green Bay, WI issued this small craft advisory at Oct 24, 2021, 9:44 PM CDT. It took effect at Oct 25, 2021, 9:55 AM CDT. It was in force for 24 hr.

The area

The counties it named.

The facts

Issued
Oct 24, 2021, 9:44 PM CDT (02:44 UTC)
In effect from
Oct 25, 2021, 9:55 AM CDT
Expired
Oct 26, 2021, 9:57 AM CDT
In force
24 hr
Issued by
NWS Green Bay, WI

The text

As transmitted.

770 
WHUS73 KGRB 250244
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
944 PM CDT Sun Oct 24 2021

LMZ521-522-251045-
/O.UPG.KGRB.SC.Y.0076.000000T0000Z-211026T0300Z/
/O.NEW.KGRB.GL.W.0008.211025T0244Z-211026T0000Z/
/O.NEW.KGRB.SC.Y.0077.211026T0000Z-211026T0600Z/
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-
944 PM CDT Sun Oct 24 2021

...GALE WARNING IN EFFECT UNTIL 7 PM CDT MONDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM MONDAY TO 1 AM CDT
TUESDAY...

* WHAT...For the Gale Warning, northeast winds 15 to 25 kt with 
  gusts up to 35 kt and waves 2 to 5 ft. For the Small Craft 
  Advisory, north winds 15 to 20 kt with gusts up to 30 kt and 
  waves 2 to 4 ft expected.

* WHERE...Central and Southern Bay of Green Bay.

* WHEN...For the Gale Warning, until 7 PM CDT Monday. For the 
  Small Craft Advisory, from 7 PM Monday to 1 AM CDT Tuesday.

* 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 severe conditions.

&&

$$

LMZ541>543-251045-
/O.UPG.KGRB.SC.Y.0076.000000T0000Z-211026T1500Z/
/O.NEW.KGRB.GL.W.0008.211025T0244Z-211026T0000Z/
/O.NEW.KGRB.SC.Y.0077.211026T0000Z-211026T1500Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
944 PM CDT Sun Oct 24 2021

...GALE WARNING IN EFFECT UNTIL 7 PM CDT MONDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM MONDAY TO 10 AM CDT
TUESDAY...

* WHAT...For the Gale Warning, northeast winds 20 to 30 kt with
  gusts up to 35 kt and waves 7 to 11 ft. For the Small Craft 
  Advisory, north winds 15 to 20 kt with gusts up to 30 kt and 
  waves 4 to 7 ft expected.

* WHERE...Lake Michigan nearshore waters from Washington Island 
  to Sheboygan.

* WHEN...For the Gale Warning, until 7 PM CDT Monday. For the 
  Small Craft Advisory, from 7 PM Monday to 10 AM CDT Tuesday.

* 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 severe conditions.

&&

$$
7 follow-up statements
859 
WHUS73 KGRB 250319
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
1019 PM CDT Sun Oct 24 2021

LMZ521-522-251130-
/O.CON.KGRB.GL.W.0008.000000T0000Z-211026T0000Z/
/O.CON.KGRB.SC.Y.0077.211026T0000Z-211026T0600Z/
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-
1019 PM CDT Sun Oct 24 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM CDT MONDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM MONDAY TO
1 AM CDT TUESDAY...

* WHAT...For the Gale Warning, northeast winds 20 to 30 kts with
  gusts over 35 kts and waves building to 4 to 7 ft. For the Small
  Craft Advisory, north winds 15 to 20 kts with gusts up to 30 kts
  and waves 3 to 5 ft expected.

* WHERE...Central and Southern Bay of Green Bay.

* WHEN...For the Gale Warning, until 7 PM CDT Monday. For the 
  Small Craft Advisory, from 7 PM Monday to 1 AM CDT Tuesday.

* 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 severe conditions.

&&

$$

LMZ541>543-251130-
/O.CON.KGRB.GL.W.0008.000000T0000Z-211026T0000Z/
/O.CON.KGRB.SC.Y.0077.211026T0000Z-211026T1500Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
1019 PM CDT Sun Oct 24 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM CDT MONDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM MONDAY TO
10 AM CDT TUESDAY...

* WHAT...For the Gale Warning, northeast winds 20 to 30 kts with
  gusts over 35 kts and waves building to 7 to 11 ft. For the
  Small Craft Advisory, north winds 15 to 20 kts with gusts up to
  30 kts and waves 4 to 7 ft expected.

* WHERE...Lake Michigan nearshore waters from Washington Island 
  to Sheboygan.

* WHEN...For the Gale Warning, until 7 PM CDT Monday. For the 
  Small Craft Advisory, from 7 PM Monday to 10 AM CDT Tuesday.

* 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 severe conditions.

&&

$$
600 
WHUS73 KGRB 250846
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
346 AM CDT Mon Oct 25 2021

LMZ521-522-251700-
/O.CON.KGRB.GL.W.0008.000000T0000Z-211026T0000Z/
/O.CON.KGRB.SC.Y.0077.211026T0000Z-211026T0600Z/
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-
346 AM CDT Mon Oct 25 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING
TO 1 AM CDT TUESDAY...

* WHAT...For the Gale Warning, northeast winds to 30 kt with gusts
  up to 35 kt and waves 4 to 7 ft. For the Small Craft Advisory,
  north winds 15 to 25 kt with gusts up to 30 kt and waves 3 to 5
  ft expected.

* WHERE...Central and Southern Bay of Green Bay.

* WHEN...For the Gale Warning, until 7 PM CDT this evening. For 
  the Small Craft Advisory, from 7 PM this evening to 1 AM CDT 
  Tuesday.

* 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 severe conditions.

&&

$$

LMZ541>543-251700-
/O.CON.KGRB.GL.W.0008.000000T0000Z-211026T0000Z/
/O.CON.KGRB.SC.Y.0077.211026T0000Z-211026T1500Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
346 AM CDT Mon Oct 25 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING
TO 10 AM CDT TUESDAY...

* WHAT...For the Gale Warning, northeast winds to 30 kt with gusts
  up to 40 kt and waves 8 to 12 ft. For the Small Craft Advisory,
  north winds 15 to 25 kt with gusts up to 30 kt and waves 5 to 8
  ft expected.

* WHERE...Lake Michigan nearshore waters from Washington Island 
  to Sheboygan.

* WHEN...For the Gale Warning, until 7 PM CDT this evening. For 
  the Small Craft Advisory, from 7 PM this evening to 10 AM CDT 
  Tuesday.

* 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 severe conditions.

&&

$$

Kurimski
693 
WHUS73 KGRB 251455
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
955 AM CDT Mon Oct 25 2021

LMZ521-522-252200-
/O.CAN.KGRB.GL.W.0008.000000T0000Z-211026T0000Z/
/O.EXT.KGRB.SC.Y.0077.211025T1455Z-211026T0600Z/
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-
955 AM CDT Mon Oct 25 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 AM CDT TUESDAY...
...GALE WARNING IS CANCELLED...

* WHAT...north to northeast winds 15 to 25 kt. Waves 4 to 7 ft 
  expected.

* WHERE...Central and Southern Bay of Green Bay.

* WHEN...Until 1 AM CDT Tuesday.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ541>543-252200-
/O.CAN.KGRB.GL.W.0008.000000T0000Z-211026T0000Z/
/O.EXT.KGRB.SC.Y.0077.211025T1455Z-211026T1500Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
955 AM CDT Mon Oct 25 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY...
...GALE WARNING IS CANCELLED...

* WHAT...north to northeast winds 15 to 25 kt with gusts up to 30
  kt. Waves 6 to 10 ft expected.

* WHERE...Lake Michigan nearshore waters from Washington Island 
  to Sheboygan.

* WHEN...Until 10 AM CDT Tuesday.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

AK
739 
WHUS73 KGRB 252049
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
349 PM CDT Mon Oct 25 2021

LMZ521-522-260500-
/O.CON.KGRB.SC.Y.0077.000000T0000Z-211026T0600Z/
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-
349 PM CDT Mon Oct 25 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM CDT
TUESDAY...

* WHAT...North winds 15 to 20 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 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.

&&

$$

LMZ541>543-260500-
/O.CON.KGRB.SC.Y.0077.000000T0000Z-211026T1500Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
349 PM CDT Mon Oct 25 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT
TUESDAY...

* WHAT...North winds 15 to 25 kt with gusts up to 30 kt and 
  waves 6 to 9 ft.

* WHERE...Lake Michigan nearshore waters from Washington Island 
  to Sheboygan.

* WHEN...Until 10 AM 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.

&&

$$
748 
WHUS73 KGRB 260235
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
935 PM CDT Mon Oct 25 2021

LMZ521-522-260600-
/O.CON.KGRB.SC.Y.0077.000000T0000Z-211026T0600Z/
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-
935 PM CDT Mon Oct 25 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM CDT
TUESDAY...

* WHAT...North winds around 15 kt with gusts up to 25 kt and 
  waves 2 to 4 ft.

* WHERE...Central and Southern Bay of Green Bay.

* WHEN...Until 1 AM 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.

&&

$$

LMZ541>543-261045-
/O.CON.KGRB.SC.Y.0077.000000T0000Z-211026T1500Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
935 PM CDT Mon Oct 25 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT
TUESDAY...

* WHAT...North winds 15 to 20 kt with gusts up to 25 kt and 
  waves 4 to 7 ft.

* WHERE...Lake Michigan nearshore waters from Washington Island 
  to Sheboygan.

* WHEN...Until 10 AM 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.

&&

$$
565 
WHUS73 KGRB 260847
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
347 AM CDT Tue Oct 26 2021

LMZ541>543-261500-
/O.CON.KGRB.SC.Y.0077.000000T0000Z-211026T1500Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
347 AM CDT Tue Oct 26 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT THIS
MORNING...

* WHAT...North winds 10 to 20 kts and waves of 3 to 5 feet.

* WHERE...Lake Michigan nearshore waters from Washington Island 
  to Sheboygan.

* WHEN...Until 10 AM CDT this morning.

* 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
106 
WHUS73 KGRB 261457
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
957 AM CDT Tue Oct 26 2021

LMZ541>543-261600-
/O.CAN.KGRB.SC.Y.0077.000000T0000Z-211026T1500Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
957 AM CDT Tue Oct 26 2021

...SMALL CRAFT ADVISORY IS CANCELLED...


$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 24, 9:44 PM CDTGale WarningGRB12 hr

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.