Alert archive / Wisconsin / Gale Warnings in 2021

Gale Warning 6, NWS Green Bay, WI

April 30, 2021

NWS Green Bay, WI issued this gale warning at Apr 30, 2021, 2:47 PM CDT. It took effect at May 1, 2021, 7:00 AM CDT. It was in force for 12 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 30, 2021, 2:47 PM CDT (19:47 UTC)
In effect from
May 1, 2021, 7:00 AM CDT
Expired
May 1, 2021, 7:00 PM CDT
In force
12 hr
Issued by
NWS Green Bay, WI

The text

As transmitted.

240 
WHUS73 KGRB 301947
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
247 PM CDT Fri Apr 30 2021

LMZ521-522-541>543-010400-
/O.NEW.KGRB.GL.W.0006.210501T1200Z-210501T2000Z/
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-
247 PM CDT Fri Apr 30 2021

...GALE WARNING IN EFFECT FROM 7 AM TO 3 PM CDT SATURDAY...

* WHAT...South winds increasing to 15 to 25 kt and veering
  southwest during the day. Gale force gusts to 35 knots expected
  from mid-morning to mid-afternoon. Waves building to 2 to 4 ft 
  on the bay, and to 6 to 9 ft on the lake.

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

* WHEN...From 7 AM to 3 PM CDT 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.

&&

$$

JS
5 follow-up statements
807 
WHUS73 KGRB 010248
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
948 PM CDT Fri Apr 30 2021

LMZ521-522-541>543-011100-
/O.CON.KGRB.GL.W.0006.210501T1200Z-210501T2000Z/
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-
948 PM CDT Fri Apr 30 2021

...GALE WARNING REMAINS IN EFFECT FROM 7 AM TO 3 PM CDT
SATURDAY...

* WHAT...south winds increasing to 15 to 25 kt and veering 
  southwest during the day. Gale force gusts to 35 knots expected 
  from mid-morning to mid-afternoon. Waves building to 2 to 4 ft 
  on the bay, and to 6 to 9 ft on the lake.

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

* WHEN...From 7 AM to 3 PM CDT 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.

&&

$$
419 
WHUS73 KGRB 010908
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
408 AM CDT Sat May 1 2021

LMZ521-522-541>543-011715-
/O.CON.KGRB.GL.W.0006.210501T1200Z-210501T2000Z/
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-
408 AM CDT Sat May 1 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 3 PM CDT THIS AFTERNOON...

* WHAT...South winds 15 to 25 kts with gusts of 35 to 40 kts.
  Waves 3 to 5 ft on the bay and 6 to 9 ft toward the open waters
  of Lake Michigan.

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

* WHEN...Until 3 PM CDT this afternoon.

* 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.

&&

$$
462 
WHUS73 KGRB 011543
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
1043 AM CDT Sat May 1 2021

LMZ521-522-541>543-012000-
/O.CON.KGRB.GL.W.0006.000000T0000Z-210501T2000Z/
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-
1043 AM CDT Sat May 1 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 3 PM CDT THIS AFTERNOON...

* WHAT...South to southwest winds 15 to 25 knots with gusts to 35
  knots. Waves of 2 to 4 feet on the Bay and 8 to 11 feet.

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

* WHEN...Until 3 PM CDT this afternoon.

* 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.

&&

$$

Hykin
658 
WHUS73 KGRB 011935
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
235 PM CDT Sat May 1 2021

LMZ521-522-541>543-020000-
/O.EXT.KGRB.GL.W.0006.000000T0000Z-210502T0000Z/
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-
235 PM CDT Sat May 1 2021

...GALE WARNING NOW IN EFFECT UNTIL 7 PM CDT THIS EVENING...

* WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt and 
  waves 4 to 7 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...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.

&&

$$
958 
WHUS73 KGRB 012002
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
302 PM CDT Sat May 1 2021

LMZ521-522-541>543-020000-
/O.CON.KGRB.GL.W.0006.000000T0000Z-210502T0000Z/
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-
302 PM CDT Sat May 1 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...

* WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt and 
  waves 4 to 7 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...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
Apr 29, 9:07 PM CDTSmall Craft AdvisoryGRB15 hr
Apr 30, 3:20 PM CDTFire Weather WatchGRBMarathon, Portage, Waupaca, Waushara, Wood13 hr

Nearby

Gale Warnings in Wisconsin, 2021Every gale warning 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.