Alert archive / Wisconsin / Small Craft Advisories in 2021

Small Craft Advisory 73, NWS Milwaukee, WI

September 21, 2021

NWS Milwaukee, WI issued this small craft advisory at Sep 21, 2021, 1:48 PM CDT. It took effect at Sep 21, 2021, 9:00 PM CDT. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Sep 21, 2021, 1:48 PM CDT (18:48 UTC)
In effect from
Sep 21, 2021, 9:00 PM CDT
Expired
Sep 22, 2021, 7:00 AM CDT
In force
10 hr
Issued by
NWS Milwaukee, WI

The text

As transmitted.

689 
WHUS73 KMKX 211848
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
148 PM CDT Tue Sep 21 2021

LMZ643>646-220300-
/O.NEW.KMKX.SC.Y.0073.210922T0200Z-210922T1200Z/
/O.UPG.KMKX.GL.A.0014.210922T1200Z-210923T0000Z/
/O.NEW.KMKX.GL.W.0019.210922T1200Z-210922T2100Z/
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-
148 PM CDT Tue Sep 21 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 7 AM
CDT WEDNESDAY...
...GALE WARNING IN EFFECT FROM 7 AM TO 4 PM CDT WEDNESDAY...

* WHAT...For the Gale Warning, north winds 20 to 25 kt with 
  gusts up to 35 kt and waves 6 to 9 ft expected. For the Small 
  Craft Advisory, north winds 15 to 20 kt with gusts up to 30 kt 
  and waves 4 to 7 ft expected.

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

* WHEN...For the Gale Warning, from 7 AM to 4 PM CDT Wednesday. 
  For the Small Craft Advisory, from 9 PM this evening to 7 AM 
  CDT Wednesday.

* 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.

&&

$$

LMZ080-366-565-567-669-671-673-675-777-779-868-870-872-874-876-
878-220300-
/O.UPG.KMKX.GL.A.0014.210922T0800Z-210923T1200Z/
/O.NEW.KMKX.GL.W.0019.210922T1200Z-210923T1200Z/
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of lake.-
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 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 Pentwater to Manistee MI 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-
148 PM CDT Tue Sep 21 2021

...GALE WARNING IN EFFECT FROM 7 AM WEDNESDAY TO 7 AM CDT
THURSDAY...

* WHAT...North winds 25 to 30 kt with gusts up to 35 kt and 
  waves 9 to 14 ft expected.

* WHERE...Southern Two Thirds of the Open Waters of Lake 
  Michigan.

* WHEN...From 7 AM Wednesday to 7 AM CDT 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.

&&

$$
2 follow-up statements
440 
WHUS73 KMKX 220151
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
851 PM CDT Tue Sep 21 2021

LMZ643>646-221000-
/O.CON.KMKX.SC.Y.0073.210922T0200Z-210922T1200Z/
/O.CON.KMKX.GL.W.0019.210922T1200Z-210922T2100Z/
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-
851 PM CDT Tue Sep 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM CDT
WEDNESDAY...
...GALE WARNING REMAINS IN EFFECT FROM 7 AM TO 4 PM CDT
WEDNESDAY...

* WHAT...For the Gale Warning, north winds 20 to 25 kt with 
  gusts up to 35 kt and waves 6 to 9 ft expected. For the Small 
  Craft Advisory, north winds 15 to 20 kt with gusts up to 30 kt 
  and waves 4 to 7 ft expected.

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

* WHEN...For the Gale Warning, from 7 AM to 4 PM CDT Wednesday. 
  For the Small Craft Advisory, from 9 PM this evening to 7 AM 
  CDT Wednesday.

* 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.

&&

$$

LMZ080-366-565-567-669-671-673-675-777-779-868-870-872-874-876-
878-221000-
/O.CON.KMKX.GL.W.0019.210922T1200Z-210923T1200Z/
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of lake.-
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 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 Pentwater to Manistee MI 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-
851 PM CDT Tue Sep 21 2021

...GALE WARNING REMAINS IN EFFECT FROM 7 AM WEDNESDAY TO 7 AM CDT
THURSDAY...

* WHAT...North winds 25 to 30 kt with gusts 35 to 40 kt and waves
  9 to 14 ft expected.

* WHERE...Southern Two Thirds of the Open Waters of Lake 
  Michigan.

* WHEN...From 7 AM Wednesday to 7 AM CDT 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.

&&

$$
565 
WHUS73 KMKX 220809
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
309 AM CDT Wed Sep 22 2021

LMZ261-362-364-563-221615-
/O.EXB.KMKX.GL.W.0019.210923T0500Z-210923T1400Z/
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-
309 AM CDT Wed Sep 22 2021

...GALE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM CDT
THURSDAY...

* WHAT...North winds 20 to 30 kt with gusts up to 35 kt and 
  waves 6 to 9 ft expected.

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

* WHEN...From midnight tonight to 9 AM CDT 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.

&&

$$

LMZ080-366-565-567-669-671-673-675-777-779-868-870-872-874-876-
878-221615-
/O.EXT.KMKX.GL.W.0019.210922T1200Z-210923T1400Z/
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of lake.-
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 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 Pentwater to Manistee MI 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-
309 AM CDT Wed Sep 22 2021

...GALE WARNING NOW IN EFFECT FROM 7 AM THIS MORNING TO 9 AM CDT
THURSDAY...

* WHAT...North winds 25 to 35 kt with gusts up to 40 kt and 
  waves 10 to 15 ft expected.

* WHERE...Southern Two Thirds of the Open Waters of Lake 
  Michigan.

* WHEN...From 7 AM this morning to 9 AM CDT 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>646-221615-
/O.CON.KMKX.SC.Y.0073.000000T0000Z-210922T1200Z/
/O.CON.KMKX.GL.W.0019.210922T1200Z-210922T2100Z/
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-
309 AM CDT Wed Sep 22 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM CDT THIS
MORNING...
...GALE WARNING REMAINS IN EFFECT FROM 7 AM THIS MORNING TO 4 PM
CDT THIS AFTERNOON...

* WHAT...For the Gale Warning, north winds 20 to 25 kt with 
  gusts up to 35 kt and waves 7 to 10 ft expected. For the Small 
  Craft Advisory, north winds 15 to 20 kt with gusts up to 30 kt 
  and waves 5 to 8 ft.

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

* WHEN...For the Gale Warning, from 7 AM this morning to 4 PM 
  CDT this afternoon. For the Small Craft Advisory, until 7 AM 
  CDT 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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 20, 7:22 PM CDTSevere Thunderstorm WarningMKXIowa, Sauk38 min
Sep 20, 7:46 PM CDTSevere Thunderstorm WarningMKXColumbia, Sauk44 min
Sep 20, 7:59 PM CDTSpecial Weather StatementMKXIowa31 min
Sep 20, 8:23 PM CDTSpecial Weather StatementMKXMarquette37 min
Sep 20, 8:37 PM CDTSpecial Weather StatementMKXColumbia, Sauk38 min
Sep 20, 9:14 PM CDTSpecial Weather StatementMKXLafayette46 min
Sep 20, 9:21 PM CDTSevere Thunderstorm WarningMKXColumbia, Dodge24 min
Sep 20, 9:22 PM CDTSevere Thunderstorm WarningMKXDane, Green, Iowa, Lafayette38 min
Sep 20, 9:24 PM CDTTornado WarningMKXDane, Green, Iowa, Lafayette24 min
Sep 20, 9:44 PM CDTSpecial Weather StatementMKXGreen Lake46 min
Sep 20, 10:04 PM CDTSpecial Weather StatementMKXGreen41 min
Sep 20, 10:27 PM CDTSpecial Weather StatementMKXJefferson48 min
Sep 20, 10:41 PM CDTSevere Thunderstorm WarningMKXDane, Jefferson20 min
Sep 21, 3:04 AM CDTGale WatchMKX11 hr
Sep 21, 1:48 PM CDTGale WarningMKX50 hr
Sep 21, 1:51 PM CDTBeach Hazards StatementMKXKenosha, Milwaukee, Ozaukee, Racine, Sheboygan58 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.