Alert archive / Wisconsin / Small Craft Advisories in 2021

Small Craft Advisory 31, NWS Green Bay, WI

April 18, 2021

NWS Green Bay, WI issued this small craft advisory at Apr 18, 2021, 9:20 PM CDT. It took effect at Apr 19, 2021, 12:00 AM CDT. It was in force for 25 hr.

The area

The counties it named.

The facts

Issued
Apr 18, 2021, 9:20 PM CDT (02:20 UTC)
In effect from
Apr 19, 2021, 12:00 AM CDT
Expired
Apr 20, 2021, 1:00 AM CDT
In force
25 hr
Issued by
NWS Green Bay, WI

The text

As transmitted.

368 
WHUS73 KGRB 190220
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
920 PM CDT Sun Apr 18 2021

LMZ521-522-541>543-191030-
/O.NEW.KGRB.SC.Y.0031.210419T1200Z-210420T0300Z/
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-
920 PM CDT Sun Apr 18 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM TO 10 PM CDT MONDAY...

* WHAT...Northwest winds 10 to 20 kts with gusts up to 25 kts.
  Waves 2 to 4 ft on Lake Michigan and 1 to 3 ft on the bay.

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

* WHEN...From 7 AM to 10 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.

&&

$$
5 follow-up statements
271 
WHUS73 KGRB 190409
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
1109 PM CDT Sun Apr 18 2021

LMZ521-522-541>543-191215-
/O.EXT.KGRB.SC.Y.0031.210419T0500Z-210420T0300Z/
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-
1109 PM CDT Sun Apr 18 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 PM CDT MONDAY...

* WHAT...West winds of 15 to 25 kts with gusts up to 30 kts. Waves
  building to 1 to 3 ft on the bay and 2 to 4 ft on the lake.

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

* WHEN...Until 10 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.

&&

$$

JS
219 
WHUS73 KGRB 190942
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
442 AM CDT Mon Apr 19 2021

LMZ521-522-541>543-191745-
/O.CON.KGRB.SC.Y.0031.000000T0000Z-210420T0300Z/
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-
442 AM CDT Mon Apr 19 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT THIS
EVENING...

* WHAT...Northwest winds 15 to 20 kts with gusts over 25 kts. Waves
  1 to 3 ft.

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

* WHEN...Until 10 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.

&&

$$
Kieckbusch
841 
WHUS73 KGRB 191522
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
1022 AM CDT Mon Apr 19 2021

LMZ521-522-541>543-192330-
/O.CON.KGRB.SC.Y.0031.000000T0000Z-210420T0300Z/
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-
1022 AM CDT Mon Apr 19 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT THIS
EVENING...

* WHAT...Northwest winds 15 to 20 kts with gusts over 25 kts. 
  Waves 1 to 3 ft.

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

* WHEN...Until 10 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.

&&

$$
690 
WHUS73 KGRB 192033
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
333 PM CDT Mon Apr 19 2021

LMZ521-522-541>543-200300-
/O.CON.KGRB.SC.Y.0031.000000T0000Z-210420T0300Z/
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-
333 PM CDT Mon Apr 19 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT THIS
EVENING...

* WHAT...Northwest winds 15 to 25 kts and waves 1 to 3 ft.

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

* WHEN...Until 10 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.

&&

$$
561 
WHUS73 KGRB 200215
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
915 PM CDT Mon Apr 19 2021

LMZ522-542-543-200315-
/O.CAN.KGRB.SC.Y.0031.000000T0000Z-210420T0300Z/
Green Bay south of line from  Oconto WI to Little Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
915 PM CDT Mon Apr 19 2021

...SMALL CRAFT ADVISORY IS CANCELLED...

Winds and waves have subsided below Small Craft Advisory levels.

$$

LMZ521-541-200600-
/O.EXT.KGRB.SC.Y.0031.000000T0000Z-210420T0600Z/
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-
915 PM CDT Mon Apr 19 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 AM CDT TUESDAY...

* WHAT...Northwest winds 15 to 25 kts 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 1 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.

&&

$$

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.