Alert archive / Wisconsin / Gale Warnings in 2021

Gale Warning 13, NWS Milwaukee, WI

April 30, 2021

NWS Milwaukee, WI issued this gale warning at Apr 30, 2021, 2:48 PM CDT. It took effect at May 1, 2021, 7:00 AM CDT. It was in force for 13 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 30, 2021, 2:48 PM CDT (19:48 UTC)
In effect from
May 1, 2021, 7:00 AM CDT
Expired
May 1, 2021, 8:00 PM CDT
In force
13 hr
Issued by
NWS Milwaukee, WI

The text

As transmitted.

083 
WHUS73 KMKX 301948
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
248 PM CDT Fri Apr 30 2021

LMZ080-643>646-671-673-675-777-779-872-874-876-878-010400-
/O.UPG.KMKX.GL.A.0010.210501T1500Z-210502T0200Z/
/O.NEW.KMKX.GL.W.0013.210501T1200Z-210502T0100Z/
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of lake.-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-
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 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 Grand Haven to Whitehall MI 5NM offshore to
Mid Lake-
Lake Michigan from Holland to Grand Haven MI 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-
248 PM CDT Fri Apr 30 2021

...GALE WARNING IN EFFECT FROM 7 AM TO 8 PM CDT SATURDAY...

* WHAT...South to southwest winds 20 to 25 kt with gusts of 35 
  to 40 kt and waves 5 to 8 ft expected.

* WHERE...Southern Third of the Open Waters of Lake Michigan, 
  Nearshore Waters from Sheboygan to Winthrop Harbor IL, Lake 
  Michigan from Port Washington to North Point Light WI 5NM 
  offshore to Mid Lake, and Lake Michigan from Grand Haven to 
  Whitehall MI 5NM offshore to Mid Lake.

* WHEN...From 7 AM to 8 PM CDT Saturday.

* 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.

&&

$$

LMZ261-362-364-366-563-565-567-868-010400-
/O.NEW.KMKX.GL.W.0013.210501T1200Z-210501T2000Z/
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-
248 PM CDT Fri Apr 30 2021

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

* WHAT...South winds 25 to 30 kt with gusts of 35 to 40 kt and 
  waves 6 to 11 ft expected.

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

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

* 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.

&&

$$

LMZ669-870-010400-
/O.NEW.KMKX.GL.W.0013.210501T1200Z-210502T0100Z/
Lake Michigan from Sheboygan to Port Washington WI 5NM offshore
to Mid Lake-
Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid
Lake-
248 PM CDT Fri Apr 30 2021

...GALE WARNING IN EFFECT FROM 7 AM TO 8 PM CDT SATURDAY...

* WHAT...South to southwest winds 20 to 25 kt with gusts 35 to 40
  kt and waves 7 to 10 ft expected.

* WHERE...Lake Michigan from Sheboygan to Port Washington WI 5NM 
  offshore to Mid Lake and Lake Michigan from Whitehall to 
  Pentwater MI 5NM offshore to Mid Lake.

* WHEN...From 7 AM to 8 PM CDT Saturday.

* 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.

&&

$$
6 follow-up statements
578 
WHUS73 KMKX 010139
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
839 PM CDT Fri Apr 30 2021

LMZ261-362-364-366-563-565-567-868-010945-
/O.CON.KMKX.GL.W.0013.210501T1200Z-210501T2000Z/
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-
839 PM CDT Fri Apr 30 2021

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

* WHAT...South winds will increase to 20 to 30 knots late tonight
  into early Saturday, with gusts of 35 to 40 knots developing 
  Saturday morning. Waves will build to 6 to 11 feet. 

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

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

* 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.

&&

$$

LMZ080-643>646-669-671-673-675-777-779-870-872-874-876-878-010945-
/O.CON.KMKX.GL.W.0013.210501T1200Z-210502T0100Z/
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of lake.-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-
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 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 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-
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-
839 PM CDT Fri Apr 30 2021

...GALE WARNING REMAINS IN EFFECT FROM 7 AM TO 8 PM CDT
SATURDAY...

* WHAT...South winds will increase to 20 to 25 knots Saturday
  morning with gusts of 35 to 40 knots developing and lasting
  through the afternoon. Waves will build to 3 to 6 feet in the
  nearshore waters and 5 to 8 ft in the Lake Michigan Open 
  waters. 

* WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor and
  the Lake Michigan Open Waters along and south of a line from
  Sheboygan WI to Pentwater MI. 

* WHEN...From 7 AM to 8 PM CDT Saturday.

* 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.

&&

$$
Kavinsky
047 
WHUS73 KMKX 010145 CCA
MWWMKX

URGENT - MARINE WEATHER MESSAGE...CORRECTED
National Weather Service Milwaukee/Sullivan WI
845 PM CDT Fri Apr 30 2021

LMZ261-362-364-366-563-565-567-868-010945-
/O.COR.KMKX.GL.W.0013.210501T1200Z-210501T2000Z/
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-
845 PM CDT Fri Apr 30 2021

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

* WHAT...South winds will increase to 20 to 30 knots late tonight
  into early Saturday, with gusts of 35 to 40 knots developing
  Saturday morning. Waves will build to 8 to 12 feet. 

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

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

* 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.

&&

$$

LMZ080-643>646-669-671-673-675-777-779-870-872-874-876-878-010945-
/O.COR.KMKX.GL.W.0013.210501T1200Z-210502T0100Z/
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of lake.-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-
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 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 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-
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-
845 PM CDT Fri Apr 30 2021

...GALE WARNING REMAINS IN EFFECT FROM 7 AM TO 8 PM CDT
SATURDAY...

* WHAT...South winds will increase to 20 to 25 knots Saturday
  morning with gusts of 35 to 40 knots developing and lasting
  through the afternoon. Waves will build to 3 to 6 feet in the
  nearshore waters and 8 to 11 ft in the Lake Michigan Open 
  waters. 

* WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor and
  the Lake Michigan Open Waters along and south of a line from
  Sheboygan WI to Pentwater MI. 

* WHEN...From 7 AM to 8 PM CDT Saturday.

* 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.

&&

$$
Kavinsky
868 
WHUS73 KMKX 010803
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
303 AM CDT Sat May 1 2021

LMZ261-362-364-366-563-565-567-868-011615-
/O.CON.KMKX.GL.W.0013.210501T1200Z-210501T2000Z/
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-
303 AM CDT Sat May 1 2021

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

* WHAT...South winds increasing to 20 to 30 kt with gusts of 35 to
  40 kt expected for midday. Waves 9 to 14 ft expected.

* WHERE...Northern 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.

&&

$$

LMZ080-643>646-669-671-673-675-777-779-870-872-874-876-878-011615-
/O.CON.KMKX.GL.W.0013.210501T1200Z-210502T0100Z/
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of lake.-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-
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 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 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-
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-
303 AM CDT Sat May 1 2021

...GALE WARNING REMAINS IN EFFECT FROM 7 AM THIS MORNING TO 8 PM
CDT THIS EVENING...

* WHAT...South winds 20 to 25 kt with gusts of 35 to 40 kt midday
  through the afternoon. Waves will build to 3 to 6 feet in the
  nearshore waters and 8 to 11 ft in the Lake Michigan Open
  waters. 

* WHERE...Southern Open Waters of Lake Michigan, and Nearshore 
  Waters from Sheboygan to Winthrop Harbor IL.

* WHEN...From 7 AM this morning to 8 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.

&&

$$

MRC
719 
WHUS73 KMKX 011443
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
943 AM CDT Sat May 1 2021

LMZ261-362-364-366-563-565-567-868-012000-
/O.CON.KMKX.GL.W.0013.000000T0000Z-210501T2000Z/
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-
943 AM CDT Sat May 1 2021

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

* WHAT...South winds increasing to 20 to 30 kt with gusts of 35 
  to 40 kt expected for midday. Waves 9 to 14 ft expected.

* WHERE...Northern 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.

&&

$$

LMZ080-643>646-669-671-673-675-777-779-870-872-874-876-878-012245-
/O.CON.KMKX.GL.W.0013.000000T0000Z-210502T0100Z/
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of lake.-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-
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 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 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-
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-
943 AM CDT Sat May 1 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING...

* WHAT...South winds 20 to 25 kt with gusts of 35 to 40 kt midday
  through the afternoon. Waves will build to 3 to 6 feet in the
  nearshore waters and 8 to 11 ft in the Lake Michigan open 
  waters.

* WHERE...Southern open waters of Lake Michigan, and nearshore waters
  from Sheboygan to Winthrop Harbor IL.

* WHEN...From 7 AM this morning to 8 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.

&&

$$
256 
WHUS73 KMKX 011935
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
235 PM CDT Sat May 1 2021

LMZ261-362-364-563-012045-
/O.CAN.KMKX.GL.W.0013.000000T0000Z-210501T2000Z/
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-
235 PM CDT Sat May 1 2021

...GALE WARNING IS CANCELLED...

While a few gusts to gale force may remain possible for the next
hour or two, persistent, widespread gales have come to an end over
much of the northern end of Lake Michigan and the Gale Warning
will be allowed to expire.

$$

LMZ366-565-567-868-012200-
/O.EXT.KMKX.GL.W.0013.000000T0000Z-210501T2200Z/
Lake Michigan from Point Betsie to Manistee MI 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-
235 PM CDT Sat May 1 2021

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

* WHAT...Continuing south winds to 20 to 30 kt with gusts of 35 
  to 40 kt expected for midday. Waves 9 to 14 ft expected.

* WHERE...Northern 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.

&&

$$

LMZ080-643>646-669-671-673-675-777-779-870-872-874-876-878-020100-
/O.CON.KMKX.GL.W.0013.000000T0000Z-210502T0100Z/
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of lake.-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-
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 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 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-
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-
235 PM CDT Sat May 1 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING...

* WHAT...South winds 20 to 25 kt with gusts of 35 to 40 kt 
  midday through the afternoon. Waves will build to 3 to 6 feet 
  in the nearshore waters and 8 to 11 ft in the Lake Michigan 
  open waters.

* WHERE...Southern open waters of Lake Michigan, and nearshore 
  waters from Sheboygan to Winthrop Harbor IL.

* WHEN...From 7 AM this morning to 8 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.

&&

$$
493 
WHUS73 KMKX 020059
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
759 PM CDT Sat May 1 2021

LMZ645-646-020900-
/O.EXP.KMKX.GL.W.0013.000000T0000Z-210502T0100Z/
/O.NEW.KMKX.SC.Y.0044.210502T0100Z-210503T0000Z/
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
759 PM CDT Sat May 1 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT SUNDAY...
...GALE WARNING WILL EXPIRE AT 8 PM CDT THIS EVENING...

* WHAT...Southwest winds 15 to 25 knots. 

* WHERE...Nearshore Waters from North Point Lighthouse to 
  Winthrop Harbor IL.

* WHEN...Until 7 PM CDT Sunday.

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


PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ080-643-644-669-671-673-675-777-779-870-872-874-876-878-020200-
/O.EXP.KMKX.GL.W.0013.000000T0000Z-210502T0100Z/
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of lake.-Sheboygan to Port Washington WI-
Port Washington to North Point Light 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 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 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-
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-
759 PM CDT Sat May 1 2021

...GALE WARNING WILL EXPIRE AT 8 PM CDT THIS EVENING...

Southwest winds 20 to 30 knots will continue the remainder of the
night. 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 29, 9:04 PM CDTSmall Craft AdvisoryMKX17 hr
Apr 30, 2:49 PM CDTWind AdvisoryMKXDane, Dodge, Fond du Lac, Green, Jefferson, Kenosha and 8 more28 hr
Apr 30, 3:02 PM CDTFire Weather WatchMKXColumbia, Dane, Dodge, Fond du Lac, Green, Green Lake and 14 more13 hr

Nearby

Gale Warnings in Wisconsin, 2021Every gale warning 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.