Alert archive / Wisconsin / Small Craft Advisories in 2021

Small Craft Advisory 71, NWS Green Bay, WI

October 9, 2021

NWS Green Bay, WI issued this small craft advisory at Oct 9, 2021, 3:44 AM CDT. It took effect at Oct 10, 2021, 3:00 AM CDT. It was in force for 50 hr.

The area

The counties it named.

The facts

Issued
Oct 9, 2021, 3:44 AM CDT (08:44 UTC)
In effect from
Oct 10, 2021, 3:00 AM CDT
Expired
Oct 12, 2021, 5:16 AM CDT
In force
50 hr
Issued by
NWS Green Bay, WI

The text

As transmitted.

733 
WHUS73 KGRB 090844
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
344 AM CDT Sat Oct 9 2021

LMZ541>543-091700-
/O.NEW.KGRB.SC.Y.0071.211010T0800Z-211011T1200Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
344 AM CDT Sat Oct 9 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM SUNDAY TO 7 AM CDT
MONDAY...

* WHAT...South winds 15 to 25 kts with gusts up to 30 kts and 
  waves building to 4 to 7 ft expected.

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

* WHEN...From 3 AM Sunday 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.

&&

$$
Kieckbusch
13 follow-up statements
120 
WHUS73 KGRB 091512
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
1012 AM CDT Sat Oct 9 2021

LMZ541>543-092315-
/O.CON.KGRB.SC.Y.0071.211010T0800Z-211011T1200Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
1012 AM CDT Sat Oct 9 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 AM SUNDAY TO
7 AM CDT MONDAY...

* WHAT...South winds 15 to 25 kts with gusts up to 30 kts and 
  waves building to 4 to 7 ft expected.

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

* WHEN...From 3 AM Sunday 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.

&&

$$

Bersch
524 
WHUS73 KGRB 092008
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
308 PM CDT Sat Oct 9 2021

LMZ541>543-100415-
/O.CON.KGRB.SC.Y.0071.211010T0800Z-211011T1200Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
308 PM CDT Sat Oct 9 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 AM SUNDAY TO
7 AM CDT MONDAY...

* WHAT...South winds 15 to 25 kts with gusts up to 30 kts and 
  waves building to 4 to 7 ft expected.

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

* WHEN...From 3 AM Sunday 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.

&&

$$

mpc
746 
WHUS73 KGRB 100159
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
859 PM CDT Sat Oct 9 2021

LMZ541>543-101000-
/O.CON.KGRB.SC.Y.0071.211010T0800Z-211011T1200Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
859 PM CDT Sat Oct 9 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 AM SUNDAY TO
7 AM CDT MONDAY...

* WHAT...South winds 15 to 25 kts with gusts up to 30 kts and 
  waves building to 4 to 7 ft expected.

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

* WHEN...From 3 AM Sunday 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.

&&

$$

mpc
821 
WHUS73 KGRB 100856
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
356 AM CDT Sun Oct 10 2021

LMZ521-522-101700-
/O.EXB.KGRB.SC.Y.0071.211010T1200Z-211011T0300Z/
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-
356 AM CDT Sun Oct 10 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM THIS MORNING TO 10 PM
CDT THIS EVENING...

* WHAT...South winds 10 to 20 kts with occasional gusts over 25
  kts, and waves 2 to 4 ft expected.

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

* WHEN...From 7 AM this morning to 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.

&&

$$

LMZ541>543-101700-
/O.EXT.KGRB.SC.Y.0071.000000T0000Z-211011T1800Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
356 AM CDT Sun Oct 10 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 PM CDT MONDAY...

* WHAT...South winds 15 to 20 kts with occasional gusts to 25 to
  30 kts, and waves building to 4 to 7 ft.

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

* WHEN...Until 1 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.

&&

$$
Kieckbusch
941 
WHUS73 KGRB 101513
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
1013 AM CDT Sun Oct 10 2021

LMZ521-522-102315-
/O.CON.KGRB.SC.Y.0071.000000T0000Z-211011T0300Z/
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-
1013 AM CDT Sun Oct 10 2021

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

* WHAT...South winds 10 to 20 kts with gusts to around 25 kts, 
  and waves 2 to 4 ft expected.

* WHERE...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.

&&

$$

LMZ541>543-102315-
/O.CON.KGRB.SC.Y.0071.000000T0000Z-211011T1800Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
1013 AM CDT Sun Oct 10 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM CDT MONDAY...

* WHAT...South winds 15 to 20 kts with gusts to 25 to 30 kts, and
  waves of 4 to 7 ft.

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

* WHEN...Until 1 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
410 
WHUS73 KGRB 102015
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
315 PM CDT Sun Oct 10 2021

LMZ541>543-110415-
/O.EXT.KGRB.SC.Y.0071.000000T0000Z-211012T1200Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
315 PM CDT Sun Oct 10 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 AM CDT TUESDAY...

* WHAT...South winds 15 to 20 kts with gusts to 30 kts, and waves
  of 4 to 7 ft.

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

* WHEN...Until 7 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.

&&

$$

LMZ521-522-110300-
/O.CON.KGRB.SC.Y.0071.000000T0000Z-211011T0300Z/
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-
315 PM CDT Sun Oct 10 2021

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

* WHAT...South winds 10 to 20 kts with gusts to around 25 kts, 
  and waves 2 to 4 ft expected.

* WHERE...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.

&&

$$

mpc
610 
WHUS73 KGRB 110245
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
945 PM CDT Sun Oct 10 2021

LMZ521-522-110345-
/O.EXP.KGRB.SC.Y.0071.000000T0000Z-211011T0300Z/
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-
945 PM CDT Sun Oct 10 2021

...SMALL CRAFT ADVISORY WILL EXPIRE AT 10 PM CDT THIS EVENING...

Winds have subsided over the Bay of Green Bay this evening, and no
longer pose a threat to small craft.

$$

LMZ541>543-111100-
/O.CON.KGRB.SC.Y.0071.000000T0000Z-211012T1200Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
945 PM CDT Sun Oct 10 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM CDT
TUESDAY...

* WHAT...South winds 15 to 20 kts with gusts to 30 kts, and 
  waves of 4 to 7 ft.

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

* WHEN...Until 7 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.

&&

$$

mpc
132 
WHUS73 KGRB 110814
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
314 AM CDT Mon Oct 11 2021

LMZ541>543-111615-
/O.EXT.KGRB.SC.Y.0071.000000T0000Z-211012T2100Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
314 AM CDT Mon Oct 11 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 PM CDT TUESDAY...

* WHAT...South winds 10 to 15 kts with gusts up to 20 kts and 
  waves 3 to 6 ft.

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

* WHEN...Until 4 PM 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.

&&

$$
Kieckbusch
100 
WHUS73 KGRB 111522
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
1022 AM CDT Mon Oct 11 2021

LMZ541>543-112330-
/O.CON.KGRB.SC.Y.0071.000000T0000Z-211012T2100Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
1022 AM CDT Mon Oct 11 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM CDT
TUESDAY...

* WHAT...South to southeast winds 10 to 15 kts with gusts up to 
  20 kts and waves 3 to 6 ft.

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

* WHEN...Until 4 PM 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.

&&

$$

Bersch
085 
WHUS73 KGRB 112008
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
308 PM CDT Mon Oct 11 2021

LMZ541>543-120415-
/O.CON.KGRB.SC.Y.0071.000000T0000Z-211012T2100Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
308 PM CDT Mon Oct 11 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM CDT
TUESDAY...

* WHAT...South to southeast winds 10 to 20 kts and waves 3 to 6 
  ft.

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

* WHEN...Until 4 PM 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.

&&

$$

mpc
172 
WHUS73 KGRB 120203
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
903 PM CDT Mon Oct 11 2021

LMZ541>543-121015-
/O.CON.KGRB.SC.Y.0071.000000T0000Z-211012T2100Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
903 PM CDT Mon Oct 11 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM CDT
TUESDAY...

* WHAT...Southeast to south winds 10 to 20 kts and waves 3 to 6 
  ft.

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

* WHEN...Until 4 PM 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.

&&

$$

mpc
579 
WHUS73 KGRB 120859
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
359 AM CDT Tue Oct 12 2021

LMZ541>543-121700-
/O.CON.KGRB.SC.Y.0071.000000T0000Z-211012T2100Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
359 AM CDT Tue Oct 12 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM CDT THIS
AFTERNOON...

* WHAT...N winds 10 to 15 kt and waves 2 to 5 ft.

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

* WHEN...Until 4 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.

&&

$$
662 
WHUS73 KGRB 121016
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
516 AM CDT Tue Oct 12 2021

LMZ541>543-121130-
/O.CAN.KGRB.SC.Y.0071.000000T0000Z-211012T2100Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
516 AM CDT Tue Oct 12 2021

...SMALL CRAFT ADVISORY IS CANCELLED...

Winds and waves have fallen below small craft advisory criteria.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 9, 3:42 AM CDTDense Fog AdvisoryGRBCalumet, Langlade, Lincoln, Marathon, Menominee, Oneida and 8 more8 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.