Alert archive / Wisconsin / Small Craft Advisories in 2021

Small Craft Advisory 36, NWS Green Bay, WI

April 29, 2021

NWS Green Bay, WI issued this small craft advisory at Apr 29, 2021, 9:07 PM CDT. It took effect at Apr 30, 2021, 4:00 AM CDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Apr 29, 2021, 9:07 PM CDT (02:07 UTC)
In effect from
Apr 30, 2021, 4:00 AM CDT
Expired
Apr 30, 2021, 12:00 PM CDT
In force
8 hr
Issued by
NWS Green Bay, WI

The text

As transmitted.

024 
WHUS73 KGRB 300207
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
907 PM CDT Thu Apr 29 2021

LMZ521-522-541>543-301015-
/O.NEW.KGRB.SC.Y.0036.210430T0900Z-210430T1700Z/
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-
907 PM CDT Thu Apr 29 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM TO NOON CDT FRIDAY...

* WHAT...Northwest winds 10 to 20 kt with gusts to around 25 kt.

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

* WHEN...From 4 AM to noon CDT Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
3 follow-up statements
659 
WHUS73 KGRB 301043
MWWGRB

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

LMZ521-522-541>543-301700-
/O.CON.KGRB.SC.Y.0036.000000T0000Z-210430T1700Z/
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-
543 AM CDT Fri Apr 30 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON CDT TODAY...

* WHAT...North winds 10 to 20 kt with gusts up to 25 kt 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 noon CDT today.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
875 
WHUS73 KGRB 301448
MWWGRB

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

LMZ521-522-541>543-301700-
/O.CON.KGRB.SC.Y.0036.000000T0000Z-210430T1700Z/
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 AM CDT Fri Apr 30 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON CDT TODAY...

* WHAT...Northwest winds 10 to 15 knots with gusts to 25 knots and
  waves of 1 to 3 feet.

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

* WHEN...Until noon CDT today.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

Hykin
768 
WHUS73 KGRB 301644
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
1144 AM CDT Fri Apr 30 2021

LMZ521-522-541>543-301745-
/O.EXP.KGRB.SC.Y.0036.000000T0000Z-210430T1700Z/
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-
1144 AM CDT Fri Apr 30 2021

...SMALL CRAFT ADVISORY WILL EXPIRE AT NOON CDT TODAY...

The north to northwest winds have decreased and are below Small
Craft Advisory criteria.

Gusty south to southwest winds and building waves are expected
Saturday.

$$

Hykin

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 30, 2:47 PM CDTGale WarningGRB28 hr
Apr 30, 3:20 PM CDTFire Weather WatchGRBMarathon, Portage, Waupaca, Waushara, Wood13 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.