Alert archive / Wisconsin / Gale Warnings in 2026

Gale Warning 21, NWS Milwaukee, WI

April 6, 2026

NWS Milwaukee, WI issued this gale warning at Apr 6, 2026, 11:37 AM CDT. It took effect at Apr 6, 2026, 12:00 PM CDT. It was in force for 7 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 6, 2026, 11:37 AM CDT (16:37 UTC)
In effect from
Apr 6, 2026, 12:00 PM CDT
Expired
Apr 6, 2026, 7:00 PM CDT
In force
7 hr
Issued by
NWS Milwaukee, WI

The text

As transmitted.

424 
WHUS73 KMKX 061637
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
1137 AM CDT Mon Apr 6 2026

LMZ261-362-364-366-563-565-070000-
/O.NEW.KMKX.GL.W.0021.260406T1700Z-260407T0000Z/
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-
1137 AM CDT Mon Apr 6 2026

...GALE WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING...

* WHAT...Northwest winds to 25 kt with gusts up to 40 kt and 
  waves 5 to 8 ft expected.

* WHERE...Northern half of the Open Waters of Lake Michigan, Lake
  Michigan from Point Betsie to Manistee MI 5NM offshore to Mid 
  Lake, and Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM 
  offshore to Mid Lake.

* WHEN...Until 7 PM CDT 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.

&&

$$

LMZ643>646-070045-
/O.CON.KMKX.SC.Y.0038.000000T0000Z-260407T1200Z/
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-
1137 AM CDT Mon Apr 6 2026

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

* WHAT...Northwest winds 15 to 25 kt with a few gusts to 30 kt 
  expected, becoming north tonight. Waves building this afternoon 
  and evening to 4 to 7 ft.

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

* 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.

&&

$$
2 follow-up statements
832 
WHUS73 KMKX 061926
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
226 PM CDT Mon Apr 6 2026

LMZ261-362-364-366-563-565-070000-
/O.CON.KMKX.GL.W.0021.000000T0000Z-260407T0000Z/
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-
226 PM CDT Mon Apr 6 2026

...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...

* WHAT...Northwest winds to 25 kt with gusts up to 40 kt and 
  waves 5 to 8 ft expected.

* WHERE...Northern half of the Open Waters of Lake Michigan, 
  Lake Michigan from Point Betsie to Manistee MI 5NM offshore to 
  Mid Lake, and Lake Michigan from Sturgeon Bay to Two Rivers WI 
  5NM offshore to Mid Lake.

* WHEN...Until 7 PM CDT 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.

&&

$$

LMZ643>646-070330-
/O.CON.KMKX.SC.Y.0038.000000T0000Z-260407T1200Z/
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-
226 PM CDT Mon Apr 6 2026

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

* WHAT...Northwest winds 15 to 25 kt with a few gusts to 30 kt 
  expected, becoming north tonight. Waves building this 
  afternoon and evening to 4 to 7 ft.

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

* 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.

&&

$$
385 
WHUS73 KMKX 070011
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
711 PM CDT Mon Apr 6 2026

LMZ261-362-364-366-563-565-070115-
/O.EXP.KMKX.GL.W.0021.000000T0000Z-260407T0000Z/
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-
711 PM CDT Mon Apr 6 2026

...GALE WARNING HAS EXPIRED...

North to northwest gales have subsided, and are no longer
expected. Thus, the Gale Warning has been allowed to expire.

$$

LMZ643>646-070815-
/O.CON.KMKX.SC.Y.0038.000000T0000Z-260407T1200Z/
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-
711 PM CDT Mon Apr 6 2026

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

* WHAT...Northwest winds 15 to 25 kt with a few gusts to 30 kt
  expected, becoming north tonight. Waves building to 4 to 7 ft.

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

* 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.

&&

$$
Wood

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 5, 10:58 PM CDTRiver Flood WarningMKXColumbia4 days

Nearby

Gale Warnings in Wisconsin, 2026Every gale warning in 2026

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.