Alert archive / Wisconsin / Small Craft Advisories in 2021

Small Craft Advisory 87, NWS Milwaukee, WI

October 29, 2021

NWS Milwaukee, WI issued this small craft advisory at Oct 29, 2021, 2:52 PM CDT. It took effect at Oct 30, 2021, 12:00 AM CDT. It was in force for 19 hr.

The area

The counties it named.

The facts

Issued
Oct 29, 2021, 2:52 PM CDT (19:52 UTC)
In effect from
Oct 30, 2021, 12:00 AM CDT
Expired
Oct 30, 2021, 7:00 PM CDT
In force
19 hr
Issued by
NWS Milwaukee, WI

The text

As transmitted.

125 
WHUS73 KMKX 291952
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
252 PM CDT Fri Oct 29 2021

LMZ643>646-300600-
/O.CON.KMKX.GL.W.0023.000000T0000Z-211030T0300Z/
/O.NEW.KMKX.SC.Y.0087.211030T0300Z-211031T0000Z/
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-
252 PM CDT Fri Oct 29 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 7 PM
CDT SATURDAY...

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

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

* WHEN...For the Gale Warning, until 10 PM CDT this evening. For 
  the Small Craft Advisory, from 10 PM this evening to 7 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.

&&

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-300300-
/O.CON.KMKX.GL.W.0023.000000T0000Z-211030T0300Z/
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of 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 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-
252 PM CDT Fri Oct 29 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING...

* WHAT...Northeast winds 25 to 30 kt with gusts up to 35 kt and 
  waves 6 to 11 ft.

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

* WHEN...Until 10 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.

&&

$$
6 follow-up statements
510 
WHUS73 KMKX 300218
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
918 PM CDT Fri Oct 29 2021

LMZ643>646-301030-
/O.CON.KMKX.GL.W.0023.000000T0000Z-211030T0300Z/
/O.CON.KMKX.SC.Y.0087.211030T0300Z-211031T0000Z/
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-
918 PM CDT Fri Oct 29 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT
SATURDAY...

* WHAT...For the Gale Warning, northeast winds around 25 knots
  with gusts up to 35 knots and waves 7 to 10 feet. For the Small
  Craft Advisory, northeast winds 15 to 25 knots with gusts up to
  30 knots and waves 7 to 10 feet expected.

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

* WHEN...For the Gale Warning, until 10 PM CDT this evening. For 
  the Small Craft Advisory, from 10 PM this evening to 7 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.

&&

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-300330-
/O.CON.KMKX.GL.W.0023.000000T0000Z-211030T0300Z/
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of 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 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-
918 PM CDT Fri Oct 29 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING...

* WHAT...Northeast winds to 30 knots with gusts up to 35 knots 
  and waves 8 to 12 feet.

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

* WHEN...Until 10 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.

&&

$$
Wood
613 
WHUS73 KMKX 300257
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
957 PM CDT Fri Oct 29 2021

LMZ643>646-301100-
/O.EXT.KMKX.GL.W.0023.000000T0000Z-211030T0500Z/
/O.EXT.KMKX.SC.Y.0087.211030T0500Z-211031T0000Z/
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-
957 PM CDT Fri Oct 29 2021

...GALE WARNING NOW IN EFFECT UNTIL MIDNIGHT CDT TONIGHT...
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 PM CDT SATURDAY...

* WHAT...For the Gale Warning, northeast winds around 25 knots 
  with gusts up to 35 knots and waves 7 to 10 feet. For the 
  Small Craft Advisory, northeast winds 15 to 25 knots with 
  gusts up to 30 knots and waves 7 to 10 feet expected.

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

* WHEN...For the Gale Warning, until midnight CDT tonight. For the
  Small Craft Advisory, from midnight CDT tonight until 7 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.

&&

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-300500-
/O.EXT.KMKX.GL.W.0023.000000T0000Z-211030T0500Z/
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of 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 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-
957 PM CDT Fri Oct 29 2021

...GALE WARNING NOW IN EFFECT UNTIL MIDNIGHT CDT TONIGHT...

* WHAT...Northeast winds to 30 knots with gusts up to 35 knots 
  and waves 8 to 12 feet.

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

* WHEN...Until midnight CDT tonight.

* 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.

&&

$$
Wood
118 
WHUS73 KMKX 300451
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
1151 PM CDT Fri Oct 29 2021

LMZ643>646-301300-
/O.EXP.KMKX.GL.W.0023.000000T0000Z-211030T0500Z/
/O.CON.KMKX.SC.Y.0087.211030T0500Z-211031T0000Z/
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-
1151 PM CDT Fri Oct 29 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT
SATURDAY...
...GALE WARNING WILL EXPIRE AT MIDNIGHT CDT TONIGHT...

* WHAT...Northeast winds 15 to 25 knots with gusts up to 30 knots
  and waves 6 to 9 feet expected.

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

* WHEN...From midnight CDT tonight until 7 PM CDT Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-300600-
/O.EXP.KMKX.GL.W.0023.000000T0000Z-211030T0500Z/
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of 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 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-
1151 PM CDT Fri Oct 29 2021

...GALE WARNING WILL EXPIRE AT MIDNIGHT CDT TONIGHT...

Northeast winds are expected to remain below gale force overnight.
Thus, the Gale Warning will expire at midnight CDT tonight.

$$
Wood
996 
WHUS73 KMKX 300842
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
342 AM CDT Sat Oct 30 2021

LMZ643>646-301645-
/O.CON.KMKX.SC.Y.0087.000000T0000Z-211031T0000Z/
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-
342 AM CDT Sat Oct 30 2021

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

* WHAT...Northeast winds 15 to 25 kt with gusts up to 30 kt this
  morning and waves 4 to 8 ft through this afternoon.

* 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.

&&

$$
093 
WHUS73 KMKX 301442
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
942 AM CDT Sat Oct 30 2021

LMZ643>646-302245-
/O.CON.KMKX.SC.Y.0087.000000T0000Z-211031T0000Z/
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-
942 AM CDT Sat Oct 30 2021

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

* WHAT...Northeast winds 15 to 25 kt and waves 4 to 8 ft through 
  this afternoon.

* 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.

&&

$$
740 
WHUS73 KMKX 301938
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
238 PM CDT Sat Oct 30 2021

LMZ643>646-310345-
/O.CON.KMKX.SC.Y.0087.000000T0000Z-211031T0000Z/
/O.NEW.KMKX.SC.Y.0088.211031T1400Z-211101T0300Z/
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-
238 PM CDT Sat Oct 30 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM TO 10 PM CDT SUNDAY...

* WHAT...For the first Small Craft Advisory, waves 2 to 4 ft. 
  For the second Small Craft Advisory, northwest winds 15 to 20 
  kt with gusts up to 25 kt expected.

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

* WHEN...For the first Small Craft Advisory, until 7 PM CDT this
  evening. For the second Small Craft Advisory, from 9 AM to 10 
  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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 29, 2:31 AM CDTGale WarningMKX21 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.