Alert archive / Wisconsin / Small Craft Advisories in 2021

Small Craft Advisory 23, NWS Green Bay, WI

March 23, 2021

NWS Green Bay, WI issued this small craft advisory at Mar 23, 2021, 3:29 AM CDT. It took effect at Mar 24, 2021, 1:00 AM CDT. It was in force for 26 hr.

The area

The counties it named.

The facts

Issued
Mar 23, 2021, 3:29 AM CDT (08:29 UTC)
In effect from
Mar 24, 2021, 1:00 AM CDT
Expired
Mar 25, 2021, 3:10 AM CDT
In force
26 hr
Issued by
NWS Green Bay, WI

The text

As transmitted.

410 
WHUS73 KGRB 230829
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
329 AM CDT Tue Mar 23 2021

LMZ541>543-231630-
/O.NEW.KGRB.SC.Y.0023.210324T0600Z-210325T0900Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
329 AM CDT Tue Mar 23 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM WEDNESDAY TO 4 AM CDT
THURSDAY...

* WHAT...East winds 10 to 20 kt tonight, becoming south 15 to 25
  knots Wednesday, veering southwest Wednesday night. Waves
  increasing to 4 to 7 ft late tonight.

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

* WHEN...From 1 AM Wednesday to 4 AM CDT Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

Kurimski
8 follow-up statements
831 
WHUS73 KGRB 231521
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
1021 AM CDT Tue Mar 23 2021

LMZ541>543-232330-
/O.CON.KGRB.SC.Y.0023.210324T0600Z-210325T0900Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
1021 AM CDT Tue Mar 23 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 AM WEDNESDAY TO
4 AM CDT THURSDAY...

* WHAT...East winds 10 to 20 kt tonight, becoming southeast 15 to
  25 knots Wednesday, veering southwest Wednesday night. Waves 
  increasing to 4 to 7 ft late tonight.

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

* WHEN...From 1 AM Wednesday to 4 AM CDT Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
469 
WHUS73 KGRB 231950
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
250 PM CDT Tue Mar 23 2021

LMZ541>543-240400-
/O.CON.KGRB.SC.Y.0023.210324T0600Z-210325T0900Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
250 PM CDT Tue Mar 23 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 AM WEDNESDAY TO
4 AM CDT THURSDAY...

* WHAT...East winds 10 to 20 kt tonight, becoming southeast 15 to
  25 knots Wednesday, veering southwest Wednesday night. Waves
  building to 3 to 6 ft tonight and 5 to 8 ft on Wednesday. Winds
  and waves diminishing Wednesday night. 

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

* WHEN...From 1 AM Wednesday to 4 AM CDT Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
435 
WHUS73 KGRB 240158
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
858 PM CDT Tue Mar 23 2021

LMZ541>543-241000-
/O.CON.KGRB.SC.Y.0023.210324T0600Z-210325T0900Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
858 PM CDT Tue Mar 23 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 AM WEDNESDAY TO
4 AM CDT THURSDAY...

* WHAT...Northeast winds 10 to 20 kt becoming east overnight, 
  then becoming southeast 15 to 25 knots Wednesday. Winds will 
  veer southwest Wednesday night before diminishing. Waves 
  building to 3 to 6 ft tonight and 5 to 8 ft on Wednesday into 
  Wednesday evening.

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

* WHEN...From 1 AM Wednesday to 4 AM CDT Thursday.

* 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
467 
WHUS73 KGRB 240855
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
355 AM CDT Wed Mar 24 2021

LMZ541>543-241700-
/O.CON.KGRB.SC.Y.0023.000000T0000Z-210325T0900Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
355 AM CDT Wed Mar 24 2021

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

* WHAT...Southeast winds 15 to 25 knots, becoming south this
  morning then veering southwest tonight before diminishing. 
  Waves 4 to 7 ft, building to 5 to 8 ft today and tonight.

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

* WHEN...Through 4 AM CDT Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

Kurimski
943 
WHUS73 KGRB 241523
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
1023 AM CDT Wed Mar 24 2021

LMZ541>543-242330-
/O.CON.KGRB.SC.Y.0023.000000T0000Z-210325T0900Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
1023 AM CDT Wed Mar 24 2021

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

* WHAT...South winds 15 to 25 knots, veering southwest tonight
  before diminishing. Waves building to 5 to 8 ft.

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

* WHEN...Through 4 AM CDT Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
150 
WHUS73 KGRB 242000
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
300 PM CDT Wed Mar 24 2021

LMZ521-522-250400-
/O.EXA.KGRB.SC.Y.0023.000000T0000Z-210325T0900Z/
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-
300 PM CDT Wed Mar 24 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT THURSDAY...

* WHAT...Southwest winds 15 to 25 kts with a few gusts to 30 kts
  veering NW and diminishing to 10 to 20 kts after midnight. Waves
  3 to 5 ft diminishing to 1 to 3 ft after midnight.
 
* WHERE...Central and Southern Bay of Green Bay.

* WHEN...Through 4 AM CDT Thursday.

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

* ADDITIONAL DETAILS...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ541>543-250400-
/O.CON.KGRB.SC.Y.0023.000000T0000Z-210325T0900Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
300 PM CDT Wed Mar 24 2021

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

* WHAT...South winds 15 to 25 knots veering southwest this
  evening, then veering NW and diminishing to 10 to 15 kts after 
  midnight. Waves 5 to 8 ft this evening subsiding to 1 to 3 ft 
  after midnight. 

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

* WHEN...Through 4 AM CDT Thursday.

* 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
593 
WHUS73 KGRB 250139
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
839 PM CDT Wed Mar 24 2021

LMZ521-522-541>543-250900-
/O.CON.KGRB.SC.Y.0023.000000T0000Z-210325T0900Z/
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-
839 PM CDT Wed Mar 24 2021

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

* WHAT...Southwest winds 15 to 25 kts with gusts to around 30 kts
  veering NW and diminishing to 10 to 20 kts after midnight. Waves
  3 to 5 ft diminishing to 1 to 3 ft on the bay and 5 to 8 feet 
  diminishing to 1 to 3 ft on the lake, after midnight. 

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

* WHEN...Through 4 AM CDT Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
186 
WHUS73 KGRB 250810
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
310 AM CDT Thu Mar 25 2021

LMZ521-522-251615-
/O.CAN.KGRB.SC.Y.0023.000000T0000Z-210325T0900Z/
/O.NEW.KGRB.SC.Y.0024.210326T0000Z-210326T1200Z/
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-
310 AM CDT Thu Mar 25 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 7 AM
CDT FRIDAY...
...SMALL CRAFT ADVISORY IS CANCELLED...

* WHAT...North winds 15 to 25 kts and waves 3 to 5 ft expected
  tonight.

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

* WHEN...From 7 PM this evening to 7 AM 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.

&&

$$

LMZ541>543-251615-
/O.CAN.KGRB.SC.Y.0023.000000T0000Z-210325T0900Z/
/O.NEW.KGRB.SC.Y.0024.210326T0000Z-210326T1700Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
310 AM CDT Thu Mar 25 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO NOON
CDT FRIDAY...
...SMALL CRAFT ADVISORY IS CANCELLED...

* WHAT...North winds to 30 kts with a few gale force gusts up to 
  35 kts possible and waves 6 to 10 ft expected tonight into 
  Friday morning.

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

* WHEN...From 7 PM this evening 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.

&&

$$

Kurimski

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.