Alert archive / Wisconsin / Small Craft Advisories in 2021

Small Craft Advisory 52, NWS Milwaukee, WI

June 20, 2021

NWS Milwaukee, WI issued this small craft advisory at Jun 20, 2021, 2:58 AM CDT. It took effect at Jun 21, 2021, 1:00 AM CDT. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued
Jun 20, 2021, 2:58 AM CDT (07:58 UTC)
In effect from
Jun 21, 2021, 1:00 AM CDT
Expired
Jun 21, 2021, 7:00 PM CDT
In force
18 hr
Issued by
NWS Milwaukee, WI

The text

As transmitted.

335 
WHUS73 KMKX 200758
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
258 AM CDT Sun Jun 20 2021

LMZ643>646-201600-
/O.NEW.KMKX.SC.Y.0052.210621T0600Z-210621T2000Z/
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-
258 AM CDT Sun Jun 20 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM TO 3 PM CDT MONDAY...

* WHAT...Northwest winds 15 to 20 kt with gusts up to 30 kt 
  expected.

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

* WHEN...From 1 AM to 3 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.

&&

$$
7 follow-up statements
031 
WHUS73 KMKX 201425
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
925 AM CDT Sun Jun 20 2021

LMZ643>646-202230-
/O.CON.KMKX.SC.Y.0052.210621T0600Z-210621T2000Z/
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-
925 AM CDT Sun Jun 20 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 AM TO 3 PM CDT
MONDAY...

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

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

* WHEN...From 1 AM to 3 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.

&&

$$
895 
WHUS73 KMKX 201905
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
205 PM CDT Sun Jun 20 2021

LMZ261-362-364-563-210315-
/O.NEW.KMKX.GL.W.0015.210621T1200Z-210621T2000Z/
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-
205 PM CDT Sun Jun 20 2021

...GALE WARNING IN EFFECT FROM 7 AM TO 3 PM CDT MONDAY...

* WHAT...Northwest winds 20 to 30 kt with gusts up to 35 kt and 
  waves 5 to 8 ft expected.

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

* WHEN...From 7 AM to 3 PM CDT Monday.

* 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>646-210315-
/O.CON.KMKX.SC.Y.0052.210621T0600Z-210621T2000Z/
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-
205 PM CDT Sun Jun 20 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 AM TO 3 PM CDT
MONDAY...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt
  expected. Waves 2 to 4 feet.

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

* WHEN...From 1 AM to 3 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.

&&

$$
DDV
424 
WHUS73 KMKX 210110
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
810 PM CDT Sun Jun 20 2021

LMZ261-362-364-563-210915-
/O.CON.KMKX.GL.W.0015.210621T1200Z-210621T2000Z/
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-
810 PM CDT Sun Jun 20 2021

...GALE WARNING REMAINS IN EFFECT FROM 7 AM TO 3 PM CDT MONDAY...

* WHAT...East to southeast winds 5 to 15 knots veering northwest
  late tonight and increasing to 20 to 30 kt with gusts up to 40
  kt. Waves will build to 5 to 8 ft.

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

* WHEN...From 7 AM to 3 PM CDT Monday.

* 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>646-210915-
/O.CON.KMKX.SC.Y.0052.210621T0600Z-210621T2000Z/
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-
810 PM CDT Sun Jun 20 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 AM TO 3 PM CDT
MONDAY...

* WHAT...East to northeast winds 5 to 15 knots will veer to the
  northwest later tonight and increase to 10 to 20 kt with gusts 
  up to 30 kt expected. Waves 2 to 4 feet.

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

* WHEN...From 1 AM to 3 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.

&&

$$
Kavinsky
386 
WHUS73 KMKX 210819
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
319 AM CDT Mon Jun 21 2021

LMZ261-362-364-563-211730-
/O.CON.KMKX.GL.W.0015.210621T1200Z-210621T2000Z/
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-
319 AM CDT Mon Jun 21 2021

...GALE WARNING REMAINS IN EFFECT FROM 7 AM THIS MORNING TO 3 PM
CDT THIS AFTERNOON...

* WHAT...East to southeast winds 5 to 15 knots veering northwest
  early this morning and increasing to 20 to 30 kt with gusts up 
  to 40 kt. Waves will build to 5 to 8 ft.

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

* WHEN...From 7 AM this morning to 3 PM CDT this afternoon.

* 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>646-211730-
/O.CON.KMKX.SC.Y.0052.000000T0000Z-210621T2000Z/
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-
319 AM CDT Mon Jun 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CDT THIS
AFTERNOON...

* WHAT...East to northeast winds 5 to 15 knots will veer to the
  northwest early this morning and increase to 10 to 20 kt with 
  gusts up to 30 kt expected. Waves 2 to 4 feet.

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

* WHEN...Until 3 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.

&&

$$
031 
WHUS73 KMKX 211359
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
859 AM CDT Mon Jun 21 2021

LMZ261-362-364-563-212000-
/O.CON.KMKX.GL.W.0015.000000T0000Z-210621T2000Z/
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-
859 AM CDT Mon Jun 21 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 3 PM CDT THIS AFTERNOON...

* WHAT...Northwest winds 20 to 30 kt with gusts up to 35 kt and 
  waves 5 to 8 ft.

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

* WHEN...Until 3 PM CDT this afternoon.

* 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>646-212000-
/O.CON.KMKX.SC.Y.0052.000000T0000Z-210621T2000Z/
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-
859 AM CDT Mon Jun 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CDT THIS
AFTERNOON...

* WHAT...Northwest winds 15 to 20 kt with gusts up to 30 kt.

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

* WHEN...Until 3 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.

&&

$$
373 
WHUS73 KMKX 211948
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
248 PM CDT Mon Jun 21 2021

LMZ261-362-364-563-212200-
/O.EXT.KMKX.GL.W.0015.000000T0000Z-210621T2200Z/
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-
248 PM CDT Mon Jun 21 2021

...GALE WARNING NOW IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON...

* WHAT...Northwest winds 15 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 5 PM CDT this afternoon.

* 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>646-220000-
/O.EXT.KMKX.SC.Y.0052.000000T0000Z-210622T0000Z/
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-
248 PM CDT Mon Jun 21 2021

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

* WHAT...Northwest winds 10 to 15 kt with gusts up to 25 kt

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

* 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.

&&

$$
206 
WHUS73 KMKX 212145
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
445 PM CDT Mon Jun 21 2021

LMZ261-362-364-563-212245-
/O.EXP.KMKX.GL.W.0015.000000T0000Z-210621T2200Z/
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-
445 PM CDT Mon Jun 21 2021

...GALE WARNING WILL EXPIRE AT 5 PM CDT THIS AFTERNOON...

Northwest wind gusts are expected to remain below gale warning
criteria into this evening as winds continue to slowly subside.
Hence the Gale Warning is being allowed to expire. 

$$

LMZ643>646-220000-
/O.CON.KMKX.SC.Y.0052.000000T0000Z-210622T0000Z/
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-
445 PM CDT Mon Jun 21 2021

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

&&

$$
Kavinsky

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 20, 2:05 PM CDTGale WarningMKX27 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.