Alert archive / Wisconsin / Small Craft Advisories in 2021

Small Craft Advisory 22, NWS Green Bay, WI

March 19, 2021

NWS Green Bay, WI issued this small craft advisory at Mar 19, 2021, 3:12 PM CDT. It took effect at Mar 20, 2021, 2:00 PM CDT. It was in force for 51 hr.

The area

The counties it named.

The facts

Issued
Mar 19, 2021, 3:12 PM CDT (20:12 UTC)
In effect from
Mar 20, 2021, 2:00 PM CDT
Expired
Mar 22, 2021, 5:00 PM CDT
In force
51 hr
Issued by
NWS Green Bay, WI

The text

As transmitted.

108 
WHUS73 KGRB 192012
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
312 PM CDT Fri Mar 19 2021

LMZ541>543-200415-
/O.NEW.KGRB.SC.Y.0022.210320T1900Z-210322T0000Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
312 PM CDT Fri Mar 19 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM SATURDAY TO 7 PM CDT
SUNDAY...

* WHAT...South winds 15 to 25 kt. Gusts up to 30 kt, especially on
  Sunday. Waves building to 3 to 5 ft Saturday afternoon, highest
  north of Algoma, then building to 5 to 8 ft Sunday afternoon.

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

* WHEN...From 2 PM Saturday to 7 PM CDT Sunday.

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

* ADDITIONAL DETAILS...Small craft conditions are expected to
  continue into Monday. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

Bersch
11 follow-up statements
645 
WHUS73 KGRB 200227
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
927 PM CDT Fri Mar 19 2021

LMZ541>543-201030-
/O.CON.KGRB.SC.Y.0022.210320T1900Z-210322T0000Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
927 PM CDT Fri Mar 19 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM SATURDAY TO
7 PM CDT SUNDAY...

* WHAT...South winds 15 to 25 kt. Gusts up to 30 kt, especially 
  on Sunday. Waves building to 3 to 5 ft Saturday afternoon, 
  highest north of Algoma, then building to 5 to 8 ft Sunday 
  afternoon.

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

* WHEN...From 2 PM Saturday to 7 PM CDT Sunday.

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

* ADDITIONAL DETAILS...Small craft conditions are expected to 
  continue into Monday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

Bersch
227 
WHUS73 KGRB 201515
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
1015 AM CDT Sat Mar 20 2021

LMZ541>543-202315-
/O.EXT.KGRB.SC.Y.0022.210320T1900Z-210322T1200Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
1015 AM CDT Sat Mar 20 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 2 PM THIS AFTERNOON TO
7 AM CDT MONDAY...

* WHAT...South winds 10 to 20 kts with gusts around 25 kts this
  afternoon and tonight, then increasing to 15 to 25 kts with
  gusts to 30 kts Sunday. Waves building to 3 to 6 today and
  tonight and then increasing to 4 to 7 feet on Sunday.

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

* WHEN...From 2 PM this afternoon to 7 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.

&&

$$

Eckberg
747 
WHUS73 KGRB 202019
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
319 PM CDT Sat Mar 20 2021

LMZ521-522-210430-
/O.EXB.KGRB.SC.Y.0022.210321T1500Z-210322T0900Z/
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-
319 PM CDT Sat Mar 20 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM SUNDAY TO 4 AM CDT
MONDAY...

* WHAT...South winds 15 to 25 kt with gusts up to 30 kt and waves
  2 to 4 ft expected on ice free areas.

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

* WHEN...From 10 AM Sunday to 4 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.

&&

$$

LMZ541>543-210430-
/O.EXT.KGRB.SC.Y.0022.000000T0000Z-210322T2200Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
319 PM CDT Sat Mar 20 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 PM CDT MONDAY...

* WHAT...South winds 10 to 20 kts with gusts around 25 kts into
  tonight, then increasing to 15 to 25 kts with gusts to 30 kts
  Sunday. Waves 3 to 5 feet tonight then increasing to 4 to 7 
  feet on Sunday.

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

* WHEN...Until 5 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.

&&

$$

Bersch
169 
WHUS73 KGRB 210217
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
917 PM CDT Sat Mar 20 2021

LMZ541>543-211030-
/O.CON.KGRB.SC.Y.0022.000000T0000Z-210322T2200Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
917 PM CDT Sat Mar 20 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM CDT MONDAY...

* WHAT...South winds 10 to 20 kts with gusts around 25 kts
  tonight, increasing to 15 to 25 kts with gusts to around 30 kts
  Sunday. Waves 3 to 5 feet tonight, increasing to 4 to 7 feet 
  Sunday.

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

* WHEN...Until 5 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.

&&

$$

LMZ521-522-211030-
/O.CON.KGRB.SC.Y.0022.210321T1500Z-210322T0900Z/
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-
917 PM CDT Sat Mar 20 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 AM SUNDAY TO
4 AM CDT MONDAY...

* WHAT...South winds 15 to 25 kt with gusts up to 30 kt and 
  waves 2 to 4 ft expected on ice free areas.

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

* WHEN...From 10 AM Sunday to 4 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.

&&

$$

Bersch
342 
WHUS73 KGRB 210834
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
334 AM CDT Sun Mar 21 2021

LMZ541>543-211645-
/O.CON.KGRB.SC.Y.0022.000000T0000Z-210322T2200Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
334 AM CDT Sun Mar 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM CDT MONDAY...

* WHAT...South winds 10 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 5 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.

&&

$$

LMZ521-522-211645-
/O.CON.KGRB.SC.Y.0022.210321T1500Z-210322T0900Z/
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-
334 AM CDT Sun Mar 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING
TO 4 AM CDT MONDAY...

* WHAT...South winds 10 to 20 kt with gusts up to 25 kt and 
  waves 1 to 3 ft expected.

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

* WHEN...From 10 AM this morning to 4 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.

&&

$$
818 
WHUS73 KGRB 211512
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
1012 AM CDT Sun Mar 21 2021

LMZ541>543-212315-
/O.CON.KGRB.SC.Y.0022.000000T0000Z-210322T2200Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
1012 AM CDT Sun Mar 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM CDT MONDAY...

* WHAT...South winds 10 to 20 kt with gusts up to 25 kt this
  afternoon increasing to 15 to 25 kts tonight. Waves 4 to 8 ft.

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

* WHEN...Until 5 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.

&&

$$

LMZ521-522-212315-
/O.CON.KGRB.SC.Y.0022.000000T0000Z-210322T0900Z/
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-
1012 AM CDT Sun Mar 21 2021

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

* WHAT...South winds 15 to 25 kts with gusts up to 30 kts this
  afternoon diminishing to 10 to 20 kts with gusts to 25 kts
  tonight. Waves 2 to 4 ft. 

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

* WHEN...From 10 AM this morning to 4 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.

&&

$$
Eckberg
108 
WHUS73 KGRB 212043
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
343 PM CDT Sun Mar 21 2021

LMZ541>543-220445-
/O.CON.KGRB.SC.Y.0022.000000T0000Z-210322T2200Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
343 PM CDT Sun Mar 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM CDT MONDAY...

* WHAT...South winds 15 to 25 kts veering southwest Monday. Gusts
  to 30 kts. Waves 4 to 8 ft.

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

* WHEN...Until 5 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.

&&

$$

LMZ521-522-220445-
/O.CON.KGRB.SC.Y.0022.000000T0000Z-210322T0900Z/
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-
343 PM CDT Sun Mar 21 2021

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

* WHAT...South winds 15 to 25 kts with gusts up to 30 kts late
  this afternoon diminishing to 10 to 20 kts with gusts to 25 
  kts tonight. Waves 1 to 4 ft on ice free areas.

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

* WHEN...Until 4 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.

&&

$$

Bersch
202 
WHUS73 KGRB 220233
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
933 PM CDT Sun Mar 21 2021

LMZ541>543-221045-
/O.CON.KGRB.SC.Y.0022.000000T0000Z-210322T2200Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
933 PM CDT Sun Mar 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM CDT MONDAY...

* WHAT...South winds 15 to 25 kts veering southwest Monday. 
  Gusts to 30 kts. Waves 4 to 7 ft.

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

* WHEN...Until 5 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.

&&

$$

LMZ521-522-220900-
/O.CON.KGRB.SC.Y.0022.000000T0000Z-210322T0900Z/
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-
933 PM CDT Sun Mar 21 2021

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

* WHAT...South winds 10 to 20 kts with gusts to 25 kts. Waves 1 
  to 4 ft on ice free areas.

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

* WHEN...Until 4 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.

&&

$$

Bersch
923 
WHUS73 KGRB 220909
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
409 AM CDT Mon Mar 22 2021

LMZ521-522-221015-
/O.EXP.KGRB.SC.Y.0022.000000T0000Z-210322T0900Z/
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-
409 AM CDT Mon Mar 22 2021

...SMALL CRAFT ADVISORY HAS EXPIRED...

Winds and waves have diminished so the small craft advisory is no
longer in effect. 

$$

LMZ541>543-221715-
/O.CON.KGRB.SC.Y.0022.000000T0000Z-210322T2200Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
409 AM CDT Mon Mar 22 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM CDT THIS
AFTERNOON...

* WHAT...South winds 10 to 20 kt with gusts up to 25 kt and waves
  3 to 5 ft.

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

* WHEN...Until 5 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.

&&

$$
817 
WHUS73 KGRB 221501
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
1001 AM CDT Mon Mar 22 2021

LMZ541>543-222200-
/O.CON.KGRB.SC.Y.0022.000000T0000Z-210322T2200Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
1001 AM CDT Mon Mar 22 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM CDT THIS
AFTERNOON...

* WHAT...South winds 10 to 20 kt with gusts up to 25 kt subsiding
  this afternoon. Waves 3 to 5 ft subsiding to 2 to 4 ft. 

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

* WHEN...Until 5 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.

&&

$$
Eckberg
052 
WHUS73 KGRB 221955
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
255 PM CDT Mon Mar 22 2021

LMZ541>543-222200-
/O.CON.KGRB.SC.Y.0022.000000T0000Z-210322T2200Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
255 PM CDT Mon Mar 22 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM CDT THIS
AFTERNOON...

* WHAT...South winds 10 to 20 kt and waves 3 to 5 ft.

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

* WHEN...Until 5 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.

&&

$$

Bersch

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.