Alert archive / Wisconsin / Small Craft Advisories in 2021

Small Craft Advisory 47, NWS Milwaukee, WI

May 24, 2021

NWS Milwaukee, WI issued this small craft advisory at May 24, 2021, 2:50 PM CDT. It took effect at May 25, 2021, 10:00 AM CDT. It was in force for 17 hr.

The area

The counties it named.

The facts

Issued
May 24, 2021, 2:50 PM CDT (19:50 UTC)
In effect from
May 25, 2021, 10:00 AM CDT
Expired
May 26, 2021, 2:54 AM CDT
In force
17 hr
Issued by
NWS Milwaukee, WI

The text

As transmitted.

819 
WHUS73 KMKX 241950
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
250 PM CDT Mon May 24 2021

LMZ643>646-250400-
/O.CAN.KMKX.MF.Y.0008.000000T0000Z-210525T0000Z/
/O.NEW.KMKX.SC.Y.0047.210525T1500Z-210526T0200Z/
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-
250 PM CDT Mon May 24 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM TO 9 PM CDT
TUESDAY...
...DENSE FOG ADVISORY IS CANCELLED...

* WHAT...Windy conditions on Tuesday with gusts to 30 kts.

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

* WHEN...From 10 AM to 9 PM 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.

&&

$$

LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-242100-
/O.CAN.KMKX.MF.Y.0008.000000T0000Z-210525T0000Z/
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of 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-
250 PM CDT Mon May 24 2021

...DENSE FOG ADVISORY IS CANCELLED...

The fog has dissipated, therefore the advisory has been cancelled.

$$

LMZ364-366-563-565-250400-
/O.EXT.KMKX.MF.Y.0008.000000T0000Z-210525T0400Z/
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-
250 PM CDT Mon May 24 2021

...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 11 PM CDT THIS
EVENING...

* WHAT...Dense fog will reduce visibility to 1/4 to 1/2 NM.

* WHERE...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 
  Charlevoix to Point Betsie MI 5NM Offshore to mid lake and 
  Lake Michigan from Point Betsie to Manistee MI 5NM offshore to 
  Mid Lake.

* WHEN...Until 11 PM CDT this evening.

* IMPACTS...Low visibility will make navigation difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must navigate, proceed with caution. Use proper fog
signals. Make sure all running lights are on. Remember to use
your radar and compass.

&&

$$

Halbach
7 follow-up statements
536 
WHUS73 KMKX 250132
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
832 PM CDT Mon May 24 2021

LMZ364-366-563-565-250245-
/O.CAN.KMKX.MF.Y.0008.000000T0000Z-210525T0400Z/
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-
832 PM CDT Mon May 24 2021

...DENSE FOG ADVISORY IS CANCELLED...

Visibility has improved considerably over the lake over the last
few hours. Some patchy fog will continue in a few places,
especially toward the northern portions of the lake, but is not
expected to be widespread. 

$$

LMZ643>646-251100-
/O.CON.KMKX.SC.Y.0047.210525T1500Z-210526T0200Z/
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-
832 PM CDT Mon May 24 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 AM TO 9 PM CDT
TUESDAY...

* WHAT...Southwest winds gusting to around 25 knots. 

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

* WHEN...From 10 AM to 9 PM 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.

&&

$$
969 
WHUS73 KMKX 250828
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
328 AM CDT Tue May 25 2021

LMZ643>646-251630-
/O.CON.KMKX.SC.Y.0047.210525T1500Z-210526T0200Z/
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-
328 AM CDT Tue May 25 2021

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

* WHAT...Gusts from 20 to 25 kts.

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

* WHEN...From 10 AM this morning to 9 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.

&&

$$
593 
WHUS73 KMKX 250851
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
351 AM CDT Tue May 25 2021

LMZ643>646-251700-
/O.CON.KMKX.SC.Y.0047.210525T1500Z-210526T0200Z/
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-
351 AM CDT Tue May 25 2021

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

* WHAT...Southwest gusts from 20 to 25 kts.

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

* WHEN...From 10 AM this morning to 9 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.

&&

$$
453 
WHUS73 KMKX 251403
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
903 AM CDT Tue May 25 2021

LMZ643>646-252215-
/O.CON.KMKX.SC.Y.0047.210525T1500Z-210526T0200Z/
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-
903 AM CDT Tue May 25 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT THIS
EVENING...

* WHAT...Southwest gusts from 20 to 25 kts.

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

* WHEN...Until 9 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.

&&

$$
961 
WHUS73 KMKX 251955
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
255 PM CDT Tue May 25 2021

LMZ643>646-260200-
/O.CON.KMKX.SC.Y.0047.000000T0000Z-210526T0200Z/
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-
255 PM CDT Tue May 25 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT THIS
EVENING...

* WHAT...Southwest gusts from 20 to 25 kts.

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

* WHEN...Until 9 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.

&&

$$
056 
WHUS73 KMKX 260115
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
815 PM CDT Tue May 25 2021

LMZ643>646-260900-
/O.EXT.KMKX.SC.Y.0047.000000T0000Z-210526T0900Z/
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-
815 PM CDT Tue May 25 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 AM CDT WEDNESDAY...

* WHAT...Southwest wind gusts to around 25 knots.

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

* WHEN...Until 4 AM CDT Wednesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
696 
WHUS73 KMKX 260754
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
254 AM CDT Wed May 26 2021

LMZ644>646-261600-
/O.CAN.KMKX.SC.Y.0047.000000T0000Z-210526T0900Z/
/O.NEW.KMKX.GL.A.0011.210527T2000Z-210528T2000Z/
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
254 AM CDT Wed May 26 2021

...GALE WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH FRIDAY
AFTERNOON...
...SMALL CRAFT ADVISORY IS CANCELLED...

* WHAT...Northeast winds 20 to 25 kt with gusts up to 35 kt and 
  waves 5 to 8 ft possible.

* WHERE...Nearshore Waters from Port Washington to Winthrop 
  Harbor IL.

* WHEN...From Thursday afternoon through Friday afternoon.

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


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should consider altering plans to avoid possible
hazardous conditions.  Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and waves.

&&

$$

LMZ643-260900-
/O.CAN.KMKX.SC.Y.0047.000000T0000Z-210526T0900Z/
Sheboygan to Port Washington WI-
254 AM CDT Wed May 26 2021

...SMALL CRAFT ADVISORY IS CANCELLED...

The winds and waves have diminished below Small Craft Criteria
early this morning. 

$$

LMZ080-671-673-675-777-779-872-874-876-878-261600-
/O.NEW.KMKX.GL.A.0011.210527T2000Z-210528T2000Z/
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of 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 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-
254 AM CDT Wed May 26 2021

...GALE WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH FRIDAY
AFTERNOON...

* WHAT...Northeast winds 20 to 25 kt with gusts up to 35 kt and 
  waves 5 to 8 ft possible.

* WHERE...Southern Third of the Open Waters of Lake Michigan, 
  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 Thursday afternoon through Friday afternoon.

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


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should consider altering plans to avoid possible
hazardous conditions.  Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and waves.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 24, 2:42 AM CDTDense Fog AdvisoryMKXKenosha, Milwaukee, Ozaukee, Racine, Sheboygan, Walworth and 2 more8 hr
May 24, 2:46 AM CDTMarine Dense Fog AdvisoryMKX18 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.