Alert archive / Wisconsin / Small Craft Advisories in 2021

Small Craft Advisory 97, NWS Green Bay, WI

December 9, 2021

NWS Green Bay, WI issued this small craft advisory at Dec 9, 2021, 9:18 PM CST. It took effect at Dec 10, 2021, 6:00 PM CST. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Dec 9, 2021, 9:18 PM CST (03:18 UTC)
In effect from
Dec 10, 2021, 6:00 PM CST
Expired
Dec 11, 2021, 6:00 AM CST
In force
12 hr
Issued by
NWS Green Bay, WI

The text

As transmitted.

733 
WHUS73 KGRB 100318
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
918 PM CST Thu Dec 9 2021

LMZ541>543-101130-
/O.CAN.KGRB.SC.Y.0096.000000T0000Z-211210T0900Z/
/O.NEW.KGRB.SC.Y.0097.211211T0000Z-211211T1200Z/
/O.NEW.KGRB.GL.A.0008.211211T1200Z-211212T0000Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
918 PM CST Thu Dec 9 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM FRIDAY TO 6 AM CST
SATURDAY...
...GALE WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY
AFTERNOON...


* WHAT...For the Small Craft Advisory, northeast winds 15 to 25 kt
  with gusts up to 30 kt and waves 4 to 6 ft expected. For the
  Gale Watch, northwest winds 20 to 30 kt with gusts up to 40 kt
  and waves 4 to 7 ft possible.

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

* WHEN...For the Small Craft Advisory, from 6 PM Friday to 6 AM 
  CST Saturday. For the Gale Watch, from Saturday morning 
  through Saturday afternoon.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should consider altering plans to avoid possible
hazardous conditions.  Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and waves.

&&

$$

LMZ521-522-101130-
/O.NEW.KGRB.SC.Y.0097.211211T0000Z-211211T1200Z/
/O.NEW.KGRB.GL.A.0008.211211T1200Z-211212T0000Z/
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-
918 PM CST Thu Dec 9 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM FRIDAY TO 6 AM CST
SATURDAY...
...GALE WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY
AFTERNOON...

* WHAT...For the Small Craft Advisory, northeast winds 15 to 25 kt
  with gusts up to 30 kt and waves 4 to 7 ft expected. For the
  Gale Watch, northwest winds 15 to 25 kt with gusts up to 40 kt
  and waves 4 to 7 ft possible.

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

* WHEN...For the Small Craft Advisory, from 6 PM Friday to 6 AM 
  CST Saturday. For the Gale Watch, from Saturday morning 
  through Saturday afternoon.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should consider altering plans to avoid possible
hazardous conditions.  Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and waves.

&&

$$
5 follow-up statements
594 
WHUS73 KGRB 101025
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
425 AM CST Fri Dec 10 2021

LMZ521-522-541>543-101830-
/O.CON.KGRB.SC.Y.0097.211211T0000Z-211211T1200Z/
/O.UPG.KGRB.GL.A.0008.211211T1200Z-211212T0000Z/
/O.NEW.KGRB.GL.W.0014.211211T1200Z-211212T0000Z/
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-
425 AM CST Fri Dec 10 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 6 AM CST SATURDAY...
...GALE WARNING IN EFFECT FROM 6 AM TO 6 PM CST SATURDAY...

* WHAT...For the Gale Warning, northwest winds 20 to 30 kt with 
  gusts up to 40 kt and waves 4 to 8 ft expected. For the Small 
  Craft Advisory, northeast winds 15 to 25 kt with gusts up to 
  30 kt and waves 3 to 6 feet building to 4 to 8 ft expected.

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

* WHEN...For the Gale Warning, from 6 AM to 6 PM CST Saturday. 
  For the Small Craft Advisory, from 6 PM this evening to 6 AM 
  CST Saturday.

* 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.

&&

$$
017 
WHUS73 KGRB 101529
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
929 AM CST Fri Dec 10 2021

LMZ521-522-541>543-102200-
/O.CON.KGRB.SC.Y.0097.211211T0000Z-211211T1200Z/
/O.CON.KGRB.GL.W.0014.211211T1200Z-211212T0000Z/
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-
929 AM CST Fri Dec 10 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 6 AM CST SATURDAY...
...GALE WARNING REMAINS IN EFFECT FROM 6 AM TO 6 PM CST
SATURDAY...

* WHAT...For the Gale Warning, northwest winds 20 to 30 kt with 
  gusts up to 40 kt and waves 4 to 8 ft expected. For the Small 
  Craft Advisory, northeast winds 15 to 25 kt with gusts up to 
  30 kt and waves 3 to 6 feet, building to 4 to 8 ft expected.

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

* WHEN...For the Gale Warning, from 6 AM to 6 PM CST Saturday. 
  For the Small Craft Advisory, from 6 PM this evening to 6 AM 
  CST Saturday.

* 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.

&&

$$

AK
203 
WHUS73 KGRB 102120
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
320 PM CST Fri Dec 10 2021

LMZ521-522-541>543-110530-
/O.CON.KGRB.SC.Y.0097.211211T0000Z-211211T1200Z/
/O.CON.KGRB.GL.W.0014.211211T1200Z-211212T0000Z/
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-
320 PM CST Fri Dec 10 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 6 AM CST SATURDAY...
...GALE WARNING REMAINS IN EFFECT FROM 6 AM TO 6 PM CST
SATURDAY...

* WHAT...For the Gale Warning, northwest winds 20 to 30 kt with
  gusts up to 40 kt and waves 4 to 7 ft on the Bay to 6 to 10 ft
  on the lake. For the Small Craft Advisory, northeast winds 15 to
  25 kt with gusts up to 30 kt and waves 3 to 5 feet, building to
  4 to 7 ft expected.

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

* WHEN...For the Gale Warning, from 6 AM to 6 PM CST Saturday. 
  For the Small Craft Advisory, from 6 PM this evening to 6 AM 
  CST Saturday.

* 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.

&&

$$
839 
WHUS73 KGRB 110311
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
911 PM CST Fri Dec 10 2021

LMZ521-522-541>543-111115-
/O.CON.KGRB.SC.Y.0097.000000T0000Z-211211T1200Z/
/O.CON.KGRB.GL.W.0014.211211T1200Z-211212T0000Z/
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-
911 PM CST Fri Dec 10 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST
SATURDAY...
...GALE WARNING REMAINS IN EFFECT FROM 6 AM TO 6 PM CST
SATURDAY...

* WHAT...For the Gale Warning, northwest winds 20 to 30 kt with 
  gusts up to 40 kt and waves 4 to 7 ft on the Bay to 6 to 10 ft 
  on the lake. For the Small Craft Advisory, northeast winds 15 
  to 25 kt with gusts up to 30 kt and waves 3 to 5 feet, 
  building to 4 to 7 ft expected.

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

* WHEN...For the Gale Warning, from 6 AM to 6 PM CST Saturday. 
  For the Small Craft Advisory, from 6 PM this evening to 6 AM 
  CST Saturday.

* 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.

&&

$$
077 
WHUS73 KGRB 111040
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
440 AM CST Sat Dec 11 2021

LMZ521-522-541>543-111845-
/O.CON.KGRB.SC.Y.0097.000000T0000Z-211211T1200Z/
/O.CON.KGRB.GL.W.0014.211211T1200Z-211212T0000Z/
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-
440 AM CST Sat Dec 11 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST EARLY
THIS MORNING...
...GALE WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING...

* WHAT...For the Gale Warning, northwest winds 20 to 30 kt with
  gusts up to 45 kt and waves 4 to 8 ft. For the Small Craft
  Advisory, northeast winds 15 to 25 kt with gusts up to 30 kt and
  waves 4 to 8 ft expected.

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

* WHEN...For the Gale Warning, until 6 PM CST this evening. For 
  the Small Craft Advisory, until 6 AM CST early this morning.

* 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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 9, 9:18 PM CSTGale WatchGRB7 hr
Dec 10, 4:25 AM CSTGale WarningGRB38 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.