Alert archive / Wisconsin / Small Craft Advisories in 2021

Small Craft Advisory 79, NWS Green Bay, WI

October 30, 2021

NWS Green Bay, WI issued this small craft advisory at Oct 30, 2021, 4:01 PM CDT. It took effect at Oct 31, 2021, 9:00 AM CDT. It was in force for 43 hr.

The area

The counties it named.

The facts

Issued
Oct 30, 2021, 4:01 PM CDT (21:01 UTC)
In effect from
Oct 31, 2021, 9:00 AM CDT
Expired
Nov 2, 2021, 4:00 AM CDT
In force
43 hr
Issued by
NWS Green Bay, WI

The text

As transmitted.

195 
WHUS73 KGRB 302101
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
401 PM CDT Sat Oct 30 2021

LMZ541>543-310515-
/O.EXP.KGRB.SC.Y.0078.000000T0000Z-211030T2100Z/
/O.NEW.KGRB.SC.Y.0079.211031T1400Z-211101T1400Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
401 PM CDT Sat Oct 30 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM SUNDAY TO 9 AM CDT
MONDAY...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and
  waves building to 3 to 5 ft.

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

* WHEN...From 9 AM Sunday to 9 AM CDT Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ521-522-310515-
/O.NEW.KGRB.SC.Y.0079.211031T1400Z-211101T1400Z/
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-
401 PM CDT Sat Oct 30 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM SUNDAY TO 9 AM CDT
MONDAY...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and
  waves building to 3 to 5 ft.

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

* WHEN...From 9 AM Sunday to 9 AM CDT Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
10 follow-up statements
488 
WHUS73 KGRB 310216
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
916 PM CDT Sat Oct 30 2021

LMZ521-522-541>543-311030-
/O.CON.KGRB.SC.Y.0079.211031T1400Z-211101T1400Z/
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-
916 PM CDT Sat Oct 30 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM SUNDAY TO
9 AM CDT MONDAY...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and
  waves building to 3 to 5 ft.

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

* WHEN...From 9 AM Sunday to 9 AM CDT Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
020 
WHUS73 KGRB 310840
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
340 AM CDT Sun Oct 31 2021

LMZ521-522-541>543-311645-
/O.CON.KGRB.SC.Y.0079.211031T1400Z-211101T1400Z/
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-
340 AM CDT Sun Oct 31 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING
TO 9 AM CDT MONDAY...

* WHAT...Northwest to west winds 15 to 25 kts and waves of 2 to 5
  ft expected.

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

* WHEN...From 9 AM this morning to 9 AM CDT Monday.

* 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
038 
WHUS73 KGRB 311532
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
1032 AM CDT Sun Oct 31 2021

LMZ521-522-541>543-312345-
/O.CON.KGRB.SC.Y.0079.000000T0000Z-211101T1400Z/
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-
1032 AM CDT Sun Oct 31 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM CDT MONDAY...

* WHAT...Northwest to west winds 15 to 25 kts and waves of 2 to 
  5 ft expected.

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

* WHEN...Thru 9 AM CDT Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
663 
WHUS73 KGRB 312023
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
323 PM CDT Sun Oct 31 2021

LMZ521-522-541>543-010430-
/O.EXT.KGRB.SC.Y.0079.000000T0000Z-211101T2100Z/
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 CDT Sun Oct 31 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 PM CDT MONDAY...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt this
  evening. Waves 2 to 5 ft.

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

* WHEN...Until 4 PM CDT Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
022 
WHUS73 KGRB 010223
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
923 PM CDT Sun Oct 31 2021

LMZ521-522-541>543-011030-
/O.CON.KGRB.SC.Y.0079.000000T0000Z-211101T2100Z/
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-
923 PM CDT Sun Oct 31 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM CDT MONDAY...

* WHAT...West winds 15 to 25 kt and waves 2 to 4 ft.

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

* WHEN...Until 4 PM CDT Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
281 
WHUS73 KGRB 010930
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
430 AM CDT Mon Nov 1 2021

LMZ521-541-011730-
/O.EXT.KGRB.SC.Y.0079.000000T0000Z-211102T0900Z/
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-
Rock Island Passage to Sturgeon Bay WI-
430 AM CDT Mon Nov 1 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 AM CDT TUESDAY...

* WHAT...West winds 15 to 25 kt and waves of 3 to 5 ft.

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

* WHEN...Until 4 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.

&&

$$

LMZ522-542-543-011730-
/O.CON.KGRB.SC.Y.0079.000000T0000Z-211101T2100Z/
Green Bay south of line from  Oconto WI to Little Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
430 AM CDT Mon Nov 1 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM CDT THIS
AFTERNOON...

* WHAT...West winds 15 to 25 kt and waves of 2 to 4 ft.

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

* WHEN...Until 4 PM CDT this afternoon.

* 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
551 
WHUS73 KGRB 011526
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
1026 AM CDT Mon Nov 1 2021

LMZ522-542-543-012330-
/O.EXT.KGRB.SC.Y.0079.000000T0000Z-211102T0000Z/
Green Bay south of line from  Oconto WI to Little Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
1026 AM CDT Mon Nov 1 2021

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

* WHAT...West winds 15 to 25 kt and waves of 2 to 4 ft.

* WHERE...Lake Michigan nearshore waters from Sturgeon Bay to 
  Sheboygan, 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.

&&

$$

LMZ521-541-012330-
/O.CON.KGRB.SC.Y.0079.000000T0000Z-211102T0900Z/
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-
Rock Island Passage to Sturgeon Bay WI-
1026 AM CDT Mon Nov 1 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM CDT
TUESDAY...

* WHAT...West winds 15 to 25 kt and waves of 3 to 5 ft.

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

* WHEN...Until 4 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.

&&

$$
014 
WHUS73 KGRB 012025
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
325 PM CDT Mon Nov 1 2021

LMZ521-541-020430-
/O.CON.KGRB.SC.Y.0079.000000T0000Z-211102T0900Z/
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-
Rock Island Passage to Sturgeon Bay WI-
325 PM CDT Mon Nov 1 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM CDT
TUESDAY...

* WHAT...Northwest winds 15 to 25 kt and waves 2 to 4 ft.

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

* WHEN...Until 4 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.

&&

$$

LMZ522-542-543-020000-
/O.CON.KGRB.SC.Y.0079.000000T0000Z-211102T0000Z/
Green Bay south of line from  Oconto WI to Little Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
325 PM CDT Mon Nov 1 2021

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

* WHAT...West winds 15 to 25 kt and waves 1 to 3 ft.

* WHERE...Lake Michigan nearshore waters from Sturgeon Bay to 
  Sheboygan, 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.

&&

$$
777 
WHUS73 KGRB 020236
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
936 PM CDT Mon Nov 1 2021

LMZ521-541-020900-
/O.CON.KGRB.SC.Y.0079.000000T0000Z-211102T0900Z/
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-
Rock Island Passage to Sturgeon Bay WI-
936 PM CDT Mon Nov 1 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM CDT
TUESDAY...

* WHAT...West winds 15 to 25 kt and waves 1 to 3 ft.

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

* WHEN...Until 4 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.

&&

$$
633 
WHUS73 KGRB 020902
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
402 AM CDT Tue Nov 2 2021

LMZ521-541-021015-
/O.EXP.KGRB.SC.Y.0079.000000T0000Z-211102T0900Z/
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-
Rock Island Passage to Sturgeon Bay WI-
402 AM CDT Tue Nov 2 2021

...SMALL CRAFT ADVISORY HAS EXPIRED...

Winds are expected to slowly diminish this morning; however, a few
gusts to 25 kts will be possible.

$$

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.