Alert archive / Wisconsin / Small Craft Advisories in 2021

Small Craft Advisory 94, NWS Green Bay, WI

December 4, 2021

NWS Green Bay, WI issued this small craft advisory at Dec 4, 2021, 3:23 PM CST. It took effect at Dec 5, 2021, 4:00 AM CST. It was in force for 20 hr.

The area

The counties it named.

The facts

Issued
Dec 4, 2021, 3:23 PM CST (21:23 UTC)
In effect from
Dec 5, 2021, 4:00 AM CST
Expired
Dec 6, 2021, 12:00 AM CST
In force
20 hr
Issued by
NWS Green Bay, WI

The text

As transmitted.

758 
WHUS73 KGRB 042123
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
323 PM CST Sat Dec 4 2021

LMZ521-522-541>543-050400-
/O.CAN.KGRB.SC.Y.0093.000000T0000Z-211204T2200Z/
/O.NEW.KGRB.SC.Y.0094.211205T1000Z-211206T0600Z/
/O.CON.KGRB.GL.A.0007.211206T0600Z-211207T0000Z/
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-
323 PM CST Sat Dec 4 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM SUNDAY TO MIDNIGHT
CST SUNDAY NIGHT...
...GALE WATCH REMAINS IN EFFECT FROM LATE SUNDAY NIGHT THROUGH
MONDAY AFTERNOON...

* WHAT...For the Small Craft Advisory, southeast winds 15 to 25 kt
  with gusts up to 35 kt on Sunday. Waves 3 to 5 ft on the bay and
  6 to 10 feet on the lake expected. For the Gale Watch, west 
  winds 20 to 30 kt with gusts up to 40 kt. Waves 3 to 6 ft on 
  Monday.

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

* WHEN...For the Small Craft Advisory, from 4 AM Sunday to 
  midnight CST Sunday night. For the Gale Watch, from late 
  Sunday night through Monday 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.

&&

$$

AK
5 follow-up statements
680 
WHUS73 KGRB 050301
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
901 PM CST Sat Dec 4 2021

LMZ521-522-541>543-051100-
/O.CON.KGRB.SC.Y.0094.211205T1000Z-211206T0600Z/
/O.CON.KGRB.GL.A.0007.211206T0600Z-211207T0000Z/
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-
901 PM CST Sat Dec 4 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 AM SUNDAY TO
MIDNIGHT CST SUNDAY NIGHT...
...GALE WATCH REMAINS IN EFFECT FROM LATE SUNDAY NIGHT THROUGH
MONDAY AFTERNOON...

* WHAT...For the Small Craft Advisory, southeast winds 15 to 25 
  kt with gusts up to 35 kt on Sunday. Waves 3 to 5 ft on the 
  bay and 6 to 10 feet on the lake expected. For the Gale Watch, 
  west winds 20 to 30 kt with gusts up to 40 kt. Waves 3 to 6 ft 
  on Monday.

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

* WHEN...For the Small Craft Advisory, from 4 AM Sunday to 
  midnight CST Sunday night. For the Gale Watch, from late 
  Sunday night through Monday 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.

&&

$$

AK
525 
WHUS73 KGRB 051005
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
405 AM CST Sun Dec 5 2021

LMZ521-522-541>543-051815-
/O.CON.KGRB.SC.Y.0094.000000T0000Z-211206T0600Z/
/O.UPG.KGRB.GL.A.0007.211206T0600Z-211207T0000Z/
/O.NEW.KGRB.GL.W.0013.211206T0600Z-211207T0000Z/
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-
405 AM CST Sun Dec 5 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...
...GALE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM CST
MONDAY...

* WHAT...For the Gale Warning, west winds gales to 40 kts 
  gradually veering northwest and waves of 3 to 6 ft expected. For
  the Small Craft Advisory, southeast winds to 30 kts with a few 
  gale force gusts around 25 kts and waves of 6 to 10 ft on the 
  lake and 4 to 6 ft on the bay.

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

* WHEN...For the Gale Warning, from midnight tonight to 6 PM CST 
  Monday. For the Small Craft Advisory, until midnight CST 
  tonight.

* 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.

&&

$$

JS
317 
WHUS73 KGRB 051621
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
1021 AM CST Sun Dec 5 2021

LMZ521-522-541>543-060030-
/O.CON.KGRB.SC.Y.0094.000000T0000Z-211206T0600Z/
/O.CON.KGRB.GL.W.0013.211206T0600Z-211207T0000Z/
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-
1021 AM CST Sun Dec 5 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...
...GALE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM
CST MONDAY...

* WHAT...For the Gale Warning, west winds gales to 40 kts
  gradually veering northwest and waves of 3 to 6 ft expected. For
  the Small Craft Advisory, southeast winds to 30 kts with a few
  gale force gusts around 35 kts and waves of 6 to 10 ft on the 
  lake and 4 to 6 ft on the bay.

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

* WHEN...For the Gale Warning, from midnight tonight to 6 PM CST 
  Monday. For the Small Craft Advisory, until midnight CST 
  tonight.

* 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.

&&

$$
395 
WHUS73 KGRB 052042
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
242 PM CST Sun Dec 5 2021

LMZ521-522-541>543-060400-
/O.CON.KGRB.SC.Y.0094.000000T0000Z-211206T0600Z/
/O.CON.KGRB.GL.W.0013.211206T0600Z-211207T0000Z/
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-
242 PM CST Sun Dec 5 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...
...GALE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM
CST MONDAY...

* WHAT...For the Gale Warning, west winds 25 to 35 kts with gusts
  to 45 kts, gradually veering northwest and waves of 3 to 6 ft
  expected. For the Small Craft Advisory, southeast winds to 30
  kts with a few gale force gusts around 35 kts and waves of 6 to
  10 ft on the lake and 4 to 7 ft on the bay.

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

* WHEN...For the Gale Warning, from midnight tonight to 6 PM CST 
  Monday. For the Small Craft Advisory, until midnight CST 
  tonight.

* 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
622 
WHUS73 KGRB 060310
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
910 PM CST Sun Dec 5 2021

LMZ521-522-541>543-061100-
/O.CON.KGRB.SC.Y.0094.000000T0000Z-211206T0600Z/
/O.CON.KGRB.GL.W.0013.211206T0600Z-211207T0000Z/
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-
910 PM CST Sun Dec 5 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...
...GALE WARNING REMAINS IN EFFECT UNTIL 6 PM CST MONDAY...

* WHAT...For the Gale Warning, west winds 20 to 30 kts with gusts
  to 45 kts, gradually veering northwest and waves of 3 to 6 ft
  expected. For the Small Craft Advisory, southeast winds to 20 to
  30 kts with a few gale force gusts around 35 kts and waves of 4
  to 7 ft on the lake and 2 to 5 ft on the bay.

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

* WHEN...For the Gale Warning, from midnight tonight to 6 PM CST 
  Monday. For the Small Craft Advisory, until midnight CST 
  tonight.

* 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

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 4, 3:19 AM CSTWinter Storm WatchGRBVilas12 hr
Dec 4, 4:25 AM CSTGale WatchGRB24 hr
Dec 4, 3:22 PM CSTWinter Storm WarningGRBDoor, Florence, Forest, Langlade, Lincoln, Marinette and 3 more44 hr
Dec 4, 3:22 PM CSTWinter Weather AdvisoryGRBBrown, Door, Kewaunee, Langlade, Lincoln, Marathon and 9 more30 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.