Alert archive / Wisconsin / Small Craft Advisories in 2021

Small Craft Advisory 24, NWS Milwaukee, WI

March 11, 2021

NWS Milwaukee, WI issued this small craft advisory at Mar 11, 2021, 2:26 AM CST. It took effect at Mar 11, 2021, 6:00 AM CST. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Mar 11, 2021, 2:26 AM CST (08:26 UTC)
In effect from
Mar 11, 2021, 6:00 AM CST
Expired
Mar 11, 2021, 6:00 PM CST
In force
12 hr
Issued by
NWS Milwaukee, WI

The text

As transmitted.

002 
WHUS73 KMKX 110826
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
226 AM CST Thu Mar 11 2021

LMZ261-362-364-366-563-565-567-868-111630-
/O.EXT.KMKX.GL.W.0007.000000T0000Z-210311T2100Z/
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 Point Betsie to Manistee MI 5NM offshore to
Mid Lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM
offshore to mid lake-
Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to
Mid Lake-
Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid
Lake-
Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid
Lake-
226 AM CST Thu Mar 11 2021

...GALE WARNING NOW IN EFFECT UNTIL 3 PM CST THIS AFTERNOON...

* WHAT...Southwest winds 20 to 30 kt with gusts up to 45 kt and 
  waves 8 to 13 ft.

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

* WHEN...Until 3 PM CST 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>645-669-671-673-870-872-874-111630-
/O.EXT.KMKX.GL.W.0007.000000T0000Z-210311T2100Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Lake Michigan from Sheboygan to Port Washington WI 5NM offshore
to Mid Lake-
Lake Michigan from Port Washington to North Point Light WI 5NM
offshore to Mid Lake-
Lake Michigan from North Point Light to Wind Point WI 5NM
offshore to Mid Lake-
Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid
Lake-
Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to
Mid Lake-
Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid
Lake-
226 AM CST Thu Mar 11 2021

...GALE WARNING NOW IN EFFECT UNTIL 3 PM CST THIS AFTERNOON...

* WHAT...Southwest winds 15 to 25 kt with gusts up to 40 kt and 
  waves 6 to 9 ft.

* WHERE...Nearshore Waters from Sheboygan to Wind Point and the central
  open waters of Lake Michigan.

* WHEN...Until 3 PM CST 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.

&&

$$

LMZ646-111630-
/O.CON.KMKX.GL.W.0007.000000T0000Z-210311T1200Z/
/O.NEW.KMKX.SC.Y.0024.210311T1200Z-210312T0000Z/
Wind Point WI to Winthrop Harbor IL-
226 AM CST Thu Mar 11 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 6 AM CST EARLY THIS
MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM THIS MORNING TO 6 PM
CST THIS EVENING...

* WHAT...For the Gale Warning, southwest winds 15 to 20 kt with 
  gusts up to 35 kt and waves 2 to 4 ft. For the Small Craft 
  Advisory, west winds 10 to 20 kt with gusts up to 35 kt 
  expected.

* WHERE...Nearshore Waters from Wind Point to Winthrop Harbor IL.

* WHEN...For the Gale Warning, until 6 AM CST early this 
  morning. For the Small Craft Advisory, from 6 AM this morning 
  to 6 PM CST this evening.

* 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.

&&

$$

LMZ080-675-777-779-876-878-111200-
/O.CON.KMKX.GL.W.0007.000000T0000Z-210311T1200Z/
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of lake.-
Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Wilmette Harbor to Michigan City in 5NM
offshore to Mid Lake-
Lake Michigan from South Haven to Holland MI 5NM offshore to Mid
lake-
Lake Michigan from St Joseph to South Haven MI 5NM offshore to
Mid Lake-
226 AM CST Thu Mar 11 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 6 AM CST EARLY THIS
MORNING...

* WHAT...Southwest winds 15 to 20 kt with gusts up to 35 kt and 
  waves 4 to 7 ft.

* WHERE...Southern Open Waters of Lake Michigan.

* WHEN...Until 6 AM CST early this morning.

* 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.

&&

$$
2 follow-up statements
520 
WHUS73 KMKX 111433
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
833 AM CST Thu Mar 11 2021

LMZ261-362-364-366-563-565-567-868-112100-
/O.CON.KMKX.GL.W.0007.000000T0000Z-210311T2100Z/
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 Point Betsie to Manistee MI 5NM offshore to
Mid Lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM
offshore to mid lake-
Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to
Mid Lake-
Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid
Lake-
Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid
Lake-
833 AM CST Thu Mar 11 2021

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

* WHAT...Southwest winds 20 to 30 kt with gusts up to 45 kt and 
  waves 8 to 13 ft.

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

* WHEN...Until 3 PM CST 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>645-669-671-673-870-872-874-112100-
/O.CON.KMKX.GL.W.0007.000000T0000Z-210311T2100Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Lake Michigan from Sheboygan to Port Washington WI 5NM offshore
to Mid Lake-
Lake Michigan from Port Washington to North Point Light WI 5NM
offshore to Mid Lake-
Lake Michigan from North Point Light to Wind Point WI 5NM
offshore to Mid Lake-
Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid
Lake-
Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to
Mid Lake-
Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid
Lake-
833 AM CST Thu Mar 11 2021

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

* WHAT...Southwest winds 15 to 25 kt with gusts up to 40 kt and 
  waves 6 to 9 ft.

* WHERE...Nearshore Waters from Sheboygan to Wind Point and the 
  central open waters of Lake Michigan.

* WHEN...Until 3 PM CST 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.

&&

$$

LMZ646-112245-
/O.CON.KMKX.SC.Y.0024.000000T0000Z-210312T0000Z/
Wind Point WI to Winthrop Harbor IL-
833 AM CST Thu Mar 11 2021

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

* WHAT...For the Gale Warning, southwest winds 15 to 20 kt with 
  gusts up to 35 kt and waves 2 to 4 ft. For the Small Craft 
  Advisory, west winds 10 to 20 kt with gusts up to 35 kt 
  expected.

* WHERE...Nearshore Waters from Wind Point to Winthrop Harbor IL.

* WHEN...Until 6 PM CST this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
435 
WHUS73 KMKX 111954
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
154 PM CST Thu Mar 11 2021

LMZ643>645-120000-
/O.CON.KMKX.GL.W.0007.000000T0000Z-210311T2100Z/
/O.EXB.KMKX.SC.Y.0024.210311T2100Z-210312T0000Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
154 PM CST Thu Mar 11 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 3 PM CST THIS AFTERNOON...
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING...

* WHAT...For the Gale Warning, west gales to 35 knots. For the
  Small Craft Advisory, west winds 15 to 25 knots with gusts to 30
  knots. 

* WHERE...Nearshore Waters from Sheboygan to North Point 
  Lighthouse, and Nearshore Waters from North Point Lighthouse 
  to Wind Point.

* WHEN...For the Gale Warning, until 3 PM CST this afternoon. For
  the Small Craft Advisory, 3 PM through 6 PM CST this evening.

* 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.

&&

$$

LMZ261-362-364-366-563-565-567-868-112100-
/O.CON.KMKX.GL.W.0007.000000T0000Z-210311T2100Z/
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 Point Betsie to Manistee MI 5NM offshore to
Mid Lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM
offshore to mid lake-
Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to
Mid Lake-
Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid
Lake-
Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid
Lake-
154 PM CST Thu Mar 11 2021

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

* WHAT...Southwest winds 20 to 30 kt with gusts up to 45 kt and 
  waves 8 to 13 ft.

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

* WHEN...Until 3 PM CST 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.

&&

$$

LMZ669-671-673-870-872-874-112100-
/O.CON.KMKX.GL.W.0007.000000T0000Z-210311T2100Z/
Lake Michigan from Sheboygan to Port Washington WI 5NM offshore
to Mid Lake-
Lake Michigan from Port Washington to North Point Light WI 5NM
offshore to Mid Lake-
Lake Michigan from North Point Light to Wind Point WI 5NM
offshore to Mid Lake-
Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid
Lake-
Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to
Mid Lake-
Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid
Lake-
154 PM CST Thu Mar 11 2021

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

* WHAT...Southwest winds 15 to 25 kt with gusts up to 40 kt and 
  waves 6 to 9 ft.

* WHERE...Nearshore Waters from Sheboygan to Wind Point and the 
  central open waters of Lake Michigan.

* WHEN...Until 3 PM CST 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.

&&

$$

LMZ646-120000-
/O.CON.KMKX.SC.Y.0024.000000T0000Z-210312T0000Z/
Wind Point WI to Winthrop Harbor IL-
154 PM CST Thu Mar 11 2021

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

* WHAT...West winds to 30 knots. Waves 2 to 4 ft. 

* WHERE...Nearshore Waters from Wind Point to Winthrop Harbor IL.

* WHEN...Until 6 PM CST this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 11, 3:35 AM CSTWind AdvisoryMKXFond du Lac, Sheboygan8 hr
Mar 11, 12:02 PM CSTWind AdvisoryMKXSheboygan3 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.