Alert archive / Wisconsin / Small Craft Advisories in 2021

Small Craft Advisory 78, NWS Green Bay, WI

October 28, 2021

NWS Green Bay, WI issued this small craft advisory at Oct 28, 2021, 4:11 AM CDT. It was in force for 60 hr.

The area

The counties it named.

The facts

Issued
Oct 28, 2021, 4:11 AM CDT (09:11 UTC)
Expired
Oct 30, 2021, 4:00 PM CDT
In force
60 hr
Issued by
NWS Green Bay, WI

The text

As transmitted.

281 
WHUS73 KGRB 280911
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
411 AM CDT Thu Oct 28 2021

LMZ521-522-541>543-281715-
/O.NEW.KGRB.SC.Y.0078.211028T0911Z-211030T1100Z/
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-
411 AM CDT Thu Oct 28 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM CDT SATURDAY...

* WHAT...E wind 15 to 25 kt becoming NE today, then continuing
  through Friday night. A few gale force gusts around 35 kts
  possible, especially Friday morning. Waves building to 4 to 6 ft
  on the bay and 5 to 8 ft on the lake.

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

* WHEN...Until 6 AM CDT Saturday.

* 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
10 follow-up statements
008 
WHUS73 KGRB 281454
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
954 AM CDT Thu Oct 28 2021

LMZ521-522-541>543-282300-
/O.CON.KGRB.SC.Y.0078.000000T0000Z-211030T1100Z/
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-
954 AM CDT Thu Oct 28 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM CDT
SATURDAY...

* WHAT...E wind 15 to 25 kt becoming NE today, then continuing 
  through Friday night. A few gale force gusts around 35 kts 
  possible, especially Friday morning. Waves building to 4 to 6 
  ft on the bay and 5 to 8 ft on the lake.

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

* WHEN...Until 6 AM CDT Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
772 
WHUS73 KGRB 282001
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
301 PM CDT Thu Oct 28 2021

LMZ521-522-541>543-290400-
/O.CON.KGRB.SC.Y.0078.000000T0000Z-211030T1100Z/
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-
301 PM CDT Thu Oct 28 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM CDT
SATURDAY...

* WHAT...NE wind 15 to 25 kt. A few gale force gusts around 35 kts
  possible, especially Friday morning. Waves building to 4 to 6 ft
  on the bay and 6 to 9 ft on the lake.

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

* WHEN...Until 6 AM CDT Saturday.

* 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
596 
WHUS73 KGRB 290205
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
905 PM CDT Thu Oct 28 2021

LMZ521-522-541>543-291000-
/O.CON.KGRB.SC.Y.0078.000000T0000Z-211030T1100Z/
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-
905 PM CDT Thu Oct 28 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM CDT
SATURDAY...

* WHAT...NE wind 15 to 25 kt. A few gale force gusts around 35 
  kts possible, especially Friday morning. Waves building to 4 
  to 6 ft on the bay and 6 to 9 ft on the lake.

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

* WHEN...Until 6 AM CDT Saturday.

* 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
665 
WHUS73 KGRB 290837
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
337 AM CDT Fri Oct 29 2021

LMZ541>543-291645-
/O.EXT.KGRB.SC.Y.0078.000000T0000Z-211030T2100Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
337 AM CDT Fri Oct 29 2021

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

* WHAT...North to Northeast winds of 15 to 25 kt. A few gale force
  gusts around 35 kts possible, mainly from mid-morning through
  early this evening. Waves of 5 to 9 ft expected.

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

* WHEN...Until 4 PM CDT Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ521-522-291645-
/O.CON.KGRB.SC.Y.0078.000000T0000Z-211030T1100Z/
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-
337 AM CDT Fri Oct 29 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM CDT
SATURDAY...

* WHAT...North to Northeast winds 15 to 25 kt and waves 4 to 6 
  ft.

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

* WHEN...Until 6 AM CDT Saturday.

* 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
537 
WHUS73 KGRB 291430
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
930 AM CDT Fri Oct 29 2021

LMZ521-522-292230-
/O.CON.KGRB.SC.Y.0078.000000T0000Z-211030T1100Z/
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-
930 AM CDT Fri Oct 29 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM CDT
SATURDAY...

* WHAT...Northeast winds 15 to 20 kt with gusts up to 30 kt and 
  waves 3 to 5 ft.

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

* WHEN...Until 6 AM CDT Saturday.

* 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>543-292230-
/O.CON.KGRB.SC.Y.0078.000000T0000Z-211030T2100Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
930 AM CDT Fri Oct 29 2021

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

* WHAT...North winds 15 to 25 kt with a few gusts up to 35 kt and
  waves 5 to 8 ft.

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

* WHEN...Until 4 PM CDT Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
320 
WHUS73 KGRB 292024
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
324 PM CDT Fri Oct 29 2021

LMZ521-522-300430-
/O.CON.KGRB.SC.Y.0078.000000T0000Z-211030T1100Z/
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-
324 PM CDT Fri Oct 29 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM CDT
SATURDAY...

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

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

* WHEN...Until 6 AM CDT Saturday.

* 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>543-300430-
/O.CON.KGRB.SC.Y.0078.000000T0000Z-211030T2100Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
324 PM CDT Fri Oct 29 2021

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

* WHAT...North winds 15 to 25 kt with gusts up to 30 kt and 
  waves 6 to 10 ft.

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

* WHEN...Until 4 PM CDT Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
584 
WHUS73 KGRB 300156
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
856 PM CDT Fri Oct 29 2021

LMZ521-522-301000-
/O.CON.KGRB.SC.Y.0078.000000T0000Z-211030T1100Z/
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-
856 PM CDT Fri Oct 29 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM CDT
SATURDAY...

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

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

* WHEN...Until 6 AM CDT Saturday.

* 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>543-301000-
/O.CON.KGRB.SC.Y.0078.000000T0000Z-211030T2100Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
856 PM CDT Fri Oct 29 2021

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

* WHAT...North winds 15 to 25 kt and waves 6 to 10 ft subsiding 
  to 4 to 7 ft after midnight.

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

* WHEN...Until 4 PM CDT Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
632 
WHUS73 KGRB 300838
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
338 AM CDT Sat Oct 30 2021

LMZ521-522-301500-
/O.EXT.KGRB.SC.Y.0078.000000T0000Z-211030T1500Z/
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-
338 AM CDT Sat Oct 30 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT THIS
MORNING...

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

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

* WHEN...Until 10 AM CDT this morning.

* 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>543-301645-
/O.CON.KGRB.SC.Y.0078.000000T0000Z-211030T2100Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
338 AM CDT Sat Oct 30 2021

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

* WHAT...North winds 15 to 25 kt and waves slowly diminishing from 4
  to 7 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.

&&

$$

JS
114 
WHUS73 KGRB 301515
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
1015 AM CDT Sat Oct 30 2021

LMZ521-522-301615-
/O.EXP.KGRB.SC.Y.0078.000000T0000Z-211030T1500Z/
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-
1015 AM CDT Sat Oct 30 2021

...SMALL CRAFT ADVISORY HAS EXPIRED...

Winds and waves have subsided.

$$

LMZ541>543-302100-
/O.CON.KGRB.SC.Y.0078.000000T0000Z-211030T2100Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
1015 AM CDT Sat Oct 30 2021

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

* WHAT...North winds 10 to 15 kt with gusts up to 20 kt and 
  waves 1 to 4 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.

&&

$$
195 
WHUS73 KGRB 302101
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
401 PM CDT Sat Oct 30 2021

LMZ541>543-310515-
/O.EXP.KGRB.SC.Y.0078.000000T0000Z-211030T2100Z/
/O.NEW.KGRB.SC.Y.0079.211031T1400Z-211101T1400Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
401 PM CDT Sat Oct 30 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM SUNDAY TO 9 AM CDT
MONDAY...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and
  waves building to 3 to 5 ft.

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

* WHEN...From 9 AM Sunday to 9 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.

&&

$$

LMZ521-522-310515-
/O.NEW.KGRB.SC.Y.0079.211031T1400Z-211101T1400Z/
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-
401 PM CDT Sat Oct 30 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM SUNDAY TO 9 AM CDT
MONDAY...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and
  waves building to 3 to 5 ft.

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

* WHEN...From 9 AM Sunday to 9 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.

&&

$$

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.