Alert archive / Wisconsin / Small Craft Advisories in 2021

Small Craft Advisory 43, NWS Green Bay, WI

May 27, 2021

NWS Green Bay, WI issued this small craft advisory at May 27, 2021, 3:20 AM CDT. It took effect at May 27, 2021, 1:00 PM CDT. It was in force for 33 hr.

The area

The counties it named.

The facts

Issued
May 27, 2021, 3:20 AM CDT (08:20 UTC)
In effect from
May 27, 2021, 1:00 PM CDT
Expired
May 28, 2021, 10:00 PM CDT
In force
33 hr
Issued by
NWS Green Bay, WI

The text

As transmitted.

909 
WHUS73 KGRB 270820
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
320 AM CDT Thu May 27 2021

LMZ542-543-271630-
/O.NEW.KGRB.SC.Y.0043.210527T1800Z-210529T0000Z/
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
320 AM CDT Thu May 27 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO
7 PM CDT FRIDAY...

* WHAT...Northeast winds increasing to 15 to 25 kts with gusts up
  to 30 kt and waves 4 to 7 ft expected.

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

* WHEN...From 1 PM this afternoon to 7 PM 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.

&&

$$

LMZ522-271630-
/O.NEW.KGRB.SC.Y.0043.210527T1800Z-210529T0000Z/
Green Bay south of line from  Oconto WI to Little Sturgeon Bay WI-
320 AM CDT Thu May 27 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO
7 PM CDT FRIDAY...

* WHAT...Northeast winds increasing to 15 to 25 kts and waves 
  building to 2 to 4 ft.

* WHERE...Southern Bay of Green Bay.

* WHEN...From 1 PM this afternoon to 7 PM 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.

&&

$$

LMZ521-541-271630-
/O.NEW.KGRB.SC.Y.0043.210527T2100Z-210529T0000Z/
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-
320 AM CDT Thu May 27 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO
7 PM CDT FRIDAY...

* WHAT...Northeast winds increasing to 15 to 25 kts with higher
  gusts and waves building to 2 to 5 ft.

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

* WHEN...From 4 PM this afternoon to 7 PM 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.

&&

$$
7 follow-up statements
752 
WHUS73 KGRB 271455
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
955 AM CDT Thu May 27 2021

LMZ542-543-272300-
/O.CON.KGRB.SC.Y.0043.210527T1800Z-210529T0000Z/
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
955 AM CDT Thu May 27 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 PM THIS
AFTERNOON TO 7 PM CDT FRIDAY...

* WHAT...Northeast winds 15 to 25 kt with gusts up to 30 kt and
  waves building to 5 to 8 ft.

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

* WHEN...From 1 PM this afternoon to 7 PM 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.

&&

$$

LMZ522-272300-
/O.CON.KGRB.SC.Y.0043.210527T1800Z-210529T0000Z/
Green Bay south of line from  Oconto WI to Little Sturgeon Bay WI-
955 AM CDT Thu May 27 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 PM THIS
AFTERNOON TO 7 PM CDT FRIDAY...

* WHAT...Northeast winds 15 to 25 kt and waves building to 3 to 5
  ft. 

* WHERE...Southern Bay of Green Bay.

* WHEN...From 1 PM this afternoon to 7 PM 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.

&&

$$

LMZ521-541-272300-
/O.CON.KGRB.SC.Y.0043.210527T2100Z-210529T0000Z/
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-
955 AM CDT Thu May 27 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 PM THIS
AFTERNOON TO 7 PM CDT FRIDAY...

* WHAT...Northeast winds 15 to 25 kt with gusts up to 30 kt and
  waves building to 4 to 6 ft.

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

* WHEN...From 4 PM this afternoon to 7 PM 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.

&&

$$
630 
WHUS73 KGRB 272013
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
313 PM CDT Thu May 27 2021

LMZ542-543-280415-
/O.CON.KGRB.SC.Y.0043.000000T0000Z-210529T0000Z/
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
313 PM CDT Thu May 27 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT FRIDAY...

* WHAT...Northeast winds 15 to 25 kt with gusts up to 30 kt and 
  waves building to 5 to 8 ft.

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

* WHEN...Thru 7 PM 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.

&&

$$

LMZ522-280415-
/O.CON.KGRB.SC.Y.0043.000000T0000Z-210529T0000Z/
Green Bay south of line from  Oconto WI to Little Sturgeon Bay WI-
313 PM CDT Thu May 27 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT FRIDAY...

* WHAT...Northeast winds 15 to 25 kt and waves building to 3 to 
  5 ft.

* WHERE...Southern Bay of Green Bay.

* WHEN...Thru 7 PM 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.

&&

$$

LMZ521-541-280415-
/O.CON.KGRB.SC.Y.0043.210527T2100Z-210529T0000Z/
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-
313 PM CDT Thu May 27 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT FRIDAY...

* WHAT...Northeast winds 15 to 25 kt with gusts up to 30 kt and 
  waves building to 4 to 6 ft.

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

* WHEN...Thru 7 PM 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.

&&

$$
879 
WHUS73 KGRB 280221
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
921 PM CDT Thu May 27 2021

LMZ542-543-281030-
/O.CON.KGRB.SC.Y.0043.000000T0000Z-210529T0000Z/
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
921 PM CDT Thu May 27 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT FRIDAY...

* WHAT...Northeast winds 15 to 25 kt with gusts up to 30 kt and
  waves 5 to 8 ft.

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

* WHEN...Thru 7 PM 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.

&&

$$

LMZ522-281030-
/O.CON.KGRB.SC.Y.0043.000000T0000Z-210529T0000Z/
Green Bay south of line from  Oconto WI to Little Sturgeon Bay WI-
921 PM CDT Thu May 27 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT FRIDAY...

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

* WHERE...Southern Bay of Green Bay.

* WHEN...Thru 7 PM 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.

&&

$$

LMZ521-541-281030-
/O.CON.KGRB.SC.Y.0043.000000T0000Z-210529T0000Z/
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-
921 PM CDT Thu May 27 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT FRIDAY...

* WHAT...Northeast winds 15 to 25 kt with gusts up to 30 kt and
  waves 4 to 6 ft.

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

* WHEN...Thru 7 PM 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.

&&

$$
415 
WHUS73 KGRB 280833
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
333 AM CDT Fri May 28 2021

LMZ541>543-281645-
/O.EXT.KGRB.SC.Y.0043.000000T0000Z-210529T0300Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
333 AM CDT Fri May 28 2021

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

* WHAT...Northeast winds 10 to 20 kt with gusts over 25 kts and
  waves 3 to 6 ft.

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

* 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.

&&

$$

LMZ521-522-281645-
/O.CON.KGRB.SC.Y.0043.000000T0000Z-210529T0000Z/
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-
333 AM CDT Fri May 28 2021

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

* WHAT...Northeast winds 10 to 20 kt with gusts up to 25 kts and
  waves 2 to 4 ft.

* WHERE...Central 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.

&&

$$
113 
WHUS73 KGRB 281508
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
1008 AM CDT Fri May 28 2021

LMZ521-522-282200-
/O.CON.KGRB.SC.Y.0043.000000T0000Z-210529T0000Z/
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-
1008 AM CDT Fri May 28 2021

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

* WHAT...Northeast winds 15 to 20 kt with gusts to 25 kts and 
  waves 3 to 5 ft.

* WHERE...Central 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.

&&

$$

LMZ541>543-282200-
/O.CON.KGRB.SC.Y.0043.000000T0000Z-210529T0300Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
1008 AM CDT Fri May 28 2021

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

* WHAT...Northeast winds 15 to 25 kt with gusts to 30 kts and
  waves 4 to 7 ft.

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

* 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.

&&

$$

AK
707 
WHUS73 KGRB 282036
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
336 PM CDT Fri May 28 2021

LMZ521-522-290000-
/O.CON.KGRB.SC.Y.0043.000000T0000Z-210529T0000Z/
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-
336 PM CDT Fri May 28 2021

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

* WHAT...Northeast winds 10 to 15 kt with gusts up to 25 kt and 
  waves 1 to 3 ft.

* WHERE...Central 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.

&&

$$

LMZ541>543-290300-
/O.CON.KGRB.SC.Y.0043.000000T0000Z-210529T0300Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
336 PM CDT Fri May 28 2021

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

* WHAT...Northeast winds 10 to 20 kt with gusts up to 25 kt and 
  waves 3 to 6 ft.

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

* 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.

&&

$$
036 
WHUS73 KGRB 290024
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
724 PM CDT Fri May 28 2021

LMZ521-522-290130-
/O.EXP.KGRB.SC.Y.0043.000000T0000Z-210529T0000Z/
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-
724 PM CDT Fri May 28 2021

...SMALL CRAFT ADVISORY HAS EXPIRED...

Winds and waves have subsided.

$$

LMZ541>543-290300-
/O.CON.KGRB.SC.Y.0043.000000T0000Z-210529T0300Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
724 PM CDT Fri May 28 2021

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

* WHAT...Northeast winds 10 to 20 kt and waves 3 to 6 ft.

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

* 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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 27, 4:37 AM CDTBeach Hazards StatementGRBDoor, Kewaunee, Manitowoc44 hr
May 27, 2:53 PM CDTFrost AdvisoryGRBFlorence, Forest, Oneida, Vilas16 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.