Alert archive / Wisconsin / Small Craft Advisories in 2021

Small Craft Advisory 106, NWS Milwaukee, WI

December 1, 2021

NWS Milwaukee, WI issued this small craft advisory at Dec 1, 2021, 2:54 PM CST. It took effect at Dec 1, 2021, 8:00 PM CST. It was in force for 22 hr.

The area

The counties it named.

The facts

Issued
Dec 1, 2021, 2:54 PM CST (20:54 UTC)
In effect from
Dec 1, 2021, 8:00 PM CST
Expired
Dec 2, 2021, 6:00 PM CST
In force
22 hr
Issued by
NWS Milwaukee, WI

The text

As transmitted.

585 
WHUS73 KMKX 012054
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
254 PM CST Wed Dec 1 2021

LMZ643>646-020500-
/O.NEW.KMKX.SC.Y.0106.211202T0200Z-211203T0000Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
254 PM CST Wed Dec 1 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 6 PM
CST THURSDAY...

* WHAT...Southwest winds of 15 to 20 knots with gusts to 25 knots
  tonight ahead of an approaching cold front. Once the cold front
  has passed Thursday morning, Northwest winds 15 to 20 knots with
  gusts 25 knots. Waves 1 to 3 feet. 

* WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL.

* WHEN...From 8 PM this evening to 6 PM CST 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.

&&

$$
6 follow-up statements
442 
WHUS73 KMKX 012348 AAA
MWWMKX

URGENT - MARINE WEATHER MESSAGE...UPDATED
National Weather Service Milwaukee/Sullivan WI
548 PM CST Wed Dec 1 2021

LMZ261-362-364-563-020800-
/O.NEW.KMKX.GL.W.0031.211202T1000Z-211202T1800Z/
Lake Michigan from Seul Choix Point to Rock Island Passage 5NM
offshore to Mid Lake-
Lake Michigan South of a line from Seul Choix Point to the
Mackinac Bridge and North of a line from Charlevoix MI to South
Fox Island 5NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to
mid lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM
offshore to mid lake-
548 PM CST Wed Dec 1 2021

...GALE WARNING IN EFFECT FROM 4 AM TO NOON CST THURSDAY...

* WHAT...West winds 20 to 25 kt with gusts up to 40 kt and waves 
  4 to 7 ft expected.

* WHERE...Northern Third of the Open Waters of Lake Michigan.

* WHEN...From 4 AM to noon CST Thursday.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

LMZ643>646-020800-
/O.CON.KMKX.SC.Y.0106.211202T0200Z-211203T0000Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
548 PM CST Wed Dec 1 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST
THURSDAY...

* WHAT...West winds 10 to 20 kt with gusts up to 30 kt expected.

* WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL.

* WHEN...Until 6 PM CST 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.

&&

$$

MRC
915 
WHUS73 KMKX 020319
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
919 PM CST Wed Dec 1 2021

LMZ261-362-364-563-021130-
/O.CON.KMKX.GL.W.0031.211202T1000Z-211202T1800Z/
Lake Michigan from Seul Choix Point to Rock Island Passage 5NM
offshore to Mid Lake-
Lake Michigan South of a line from Seul Choix Point to the
Mackinac Bridge and North of a line from Charlevoix MI to South
Fox Island 5NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to
mid lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM
offshore to mid lake-
919 PM CST Wed Dec 1 2021

...GALE WARNING REMAINS IN EFFECT FROM 4 AM TO NOON CST
THURSDAY...

* WHAT...West winds 20 to 25 kt with gale force gusts up to 40 kt
  and waves 8 to 11 ft expected.

* WHERE...Northern Third of the Open Waters of Lake Michigan.

* WHEN...From 4 AM to noon CST Thursday.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

LMZ643>646-021130-
/O.CON.KMKX.SC.Y.0106.000000T0000Z-211203T0000Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
919 PM CST Wed Dec 1 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST
THURSDAY...

* WHAT...West winds 10 to 20 kt with gusts up to 30 kt expected.

* WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL.

* WHEN...Until 6 PM CST 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.

&&

$$

MRC
749 
WHUS73 KMKX 020859
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
259 AM CST Thu Dec 2 2021

LMZ261-362-364-563-021700-
/O.CON.KMKX.GL.W.0031.211202T1000Z-211202T1800Z/
Lake Michigan from Seul Choix Point to Rock Island Passage 5NM
offshore to Mid Lake-
Lake Michigan South of a line from Seul Choix Point to the
Mackinac Bridge and North of a line from Charlevoix MI to South
Fox Island 5NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to
mid lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM
offshore to mid lake-
259 AM CST Thu Dec 2 2021

...GALE WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY...

* WHAT...Northwest winds 20 to 25 kt with gusts up to 40 kt and 
  waves 5 to 9 ft expected.

* WHERE...Northern Third of the Open Waters of Lake Michigan.

* WHEN...Until noon CST today.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

LMZ643>646-021700-
/O.CON.KMKX.SC.Y.0106.000000T0000Z-211203T0000Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
259 AM CST Thu Dec 2 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS
EVENING...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt and
  waves of 1 to 3 feet.

* WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL.

* WHEN...Until 6 PM CST 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.

&&

$$
DDV
059 
WHUS73 KMKX 021539
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
939 AM CST Thu Dec 2 2021

LMZ261-362-364-563-021800-
/O.CON.KMKX.GL.W.0031.000000T0000Z-211202T1800Z/
Lake Michigan from Seul Choix Point to Rock Island Passage 5NM
offshore to Mid Lake-
Lake Michigan South of a line from Seul Choix Point to the
Mackinac Bridge and North of a line from Charlevoix MI to South
Fox Island 5NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to
mid lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM
offshore to mid lake-
939 AM CST Thu Dec 2 2021

...GALE WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY...

* WHAT...Northwest winds 20 to 25 kt with gusts up to 35 kt and 
  waves 4 to 7 ft.

* WHERE...Northern Third of the Open Waters of Lake Michigan.

* WHEN...Until noon CST today.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

LMZ643>646-022345-
/O.CON.KMKX.SC.Y.0106.000000T0000Z-211203T0000Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
939 AM CST Thu Dec 2 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS
EVENING...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt.

* WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL.

* WHEN...Until 6 PM CST 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.

&&

$$
625 
WHUS73 KMKX 021811
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
1211 PM CST Thu Dec 2 2021

LMZ261-362-364-563-021915-
/O.EXP.KMKX.GL.W.0031.000000T0000Z-211202T1800Z/
Lake Michigan from Seul Choix Point to Rock Island Passage 5NM
offshore to Mid Lake-
Lake Michigan South of a line from Seul Choix Point to the
Mackinac Bridge and North of a line from Charlevoix MI to South
Fox Island 5NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to
mid lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM
offshore to mid lake-
1211 PM CST Thu Dec 2 2021

...GALE WARNING HAS EXPIRED...

Winds have started to diminish. However, a few gusts to near gale
force are possible into the afternoon hours.

$$

LMZ643>646-030000-
/O.CON.KMKX.SC.Y.0106.000000T0000Z-211203T0000Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
1211 PM CST Thu Dec 2 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS
EVENING...

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

* WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL.

* WHEN...Until 6 PM CST 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.

&&

$$
269 
WHUS73 KMKX 022348
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
548 PM CST Thu Dec 2 2021

LMZ643>646-030100-
/O.EXP.KMKX.SC.Y.0106.000000T0000Z-211203T0000Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
548 PM CST Thu Dec 2 2021

...SMALL CRAFT ADVISORY WILL EXPIRE AT 6 PM CST THIS EVENING...

Winds have subsided and no longer pose a threat.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 1, 5:48 PM CSTGale WarningMKX18 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.