Alert archive / Wisconsin / Small Craft Advisories in 2021

Small Craft Advisory 78, NWS Milwaukee, WI

October 4, 2021

NWS Milwaukee, WI issued this small craft advisory at Oct 4, 2021, 2:43 AM CDT. It took effect at Oct 4, 2021, 3:00 PM CDT. It was in force for 16 hr.

The area

The counties it named.

The facts

Issued
Oct 4, 2021, 2:43 AM CDT (07:43 UTC)
In effect from
Oct 4, 2021, 3:00 PM CDT
Expired
Oct 5, 2021, 7:00 AM CDT
In force
16 hr
Issued by
NWS Milwaukee, WI

The text

As transmitted.

289 
WHUS73 KMKX 040743
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
243 AM CDT Mon Oct 4 2021

LMZ643>646-041545-
/O.NEW.KMKX.SC.Y.0078.211004T2000Z-211005T1200Z/
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-
243 AM CDT Mon Oct 4 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO
7 AM CDT TUESDAY...

* WHAT...North to northeast wind 10 to 20 knots and waves 3 to 5 
  ft.

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

* WHEN...From 3 PM this afternoon to 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.

&&

$$

LMZ261-362-364-366-563-565-567-868-041300-
/O.CON.KMKX.MF.Y.0018.000000T0000Z-211004T1300Z/
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-
243 AM CDT Mon Oct 4 2021

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS
MORNING...

* WHAT...Dense fog will reduce visibility less than 1 NM at times.

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

* WHEN...Until 8 AM CDT this morning.

* 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.

&&

$$
DDV
6 follow-up statements
020 
WHUS73 KMKX 041253
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
753 AM CDT Mon Oct 4 2021

LMZ261-362-364-366-563-565-567-868-041400-
/O.EXP.KMKX.MF.Y.0018.000000T0000Z-211004T1300Z/
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-
753 AM CDT Mon Oct 4 2021

...DENSE FOG ADVISORY WILL EXPIRE AT 8 AM CDT THIS MORNING...

Visibilities across Lake Michigan have improved this morning and
the Marine Dense Fog Advisory will be allowed to expire.

$$

LMZ643>646-042100-
/O.CON.KMKX.SC.Y.0078.211004T2000Z-211005T1200Z/
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-
753 AM CDT Mon Oct 4 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 PM THIS
AFTERNOON TO 7 AM CDT TUESDAY...

* WHAT...Waves 3 to 4 ft expected.

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

* WHEN...From 3 PM this afternoon to 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.

&&

$$
000 
WHUS73 KMKX 041417
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
917 AM CDT Mon Oct 4 2021

LMZ643>646-042230-
/O.CON.KMKX.SC.Y.0078.211004T2000Z-211005T1200Z/
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-
917 AM CDT Mon Oct 4 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 PM THIS
AFTERNOON TO 7 AM CDT TUESDAY...

* WHAT...Waves 3 to 5 ft expected. North to northeast winds 15 to
  20 knots with higher gusts. 

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

* WHEN...From 3 PM this afternoon to 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.

&&

$$
214 
WHUS73 KMKX 041958
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
258 PM CDT Mon Oct 4 2021

LMZ643>646-050400-
/O.CON.KMKX.SC.Y.0078.211004T2000Z-211005T1200Z/
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-
258 PM CDT Mon Oct 4 2021

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

* WHAT...Waves 3 to 5 ft expected. North to northeast winds 15 
  to 20 knots with higher gusts.

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

* WHEN...From 3 PM this afternoon to 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.

&&

$$
785 
WHUS73 KMKX 050202
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
902 PM CDT Mon Oct 4 2021

LMZ643>646-051015-
/O.CON.KMKX.SC.Y.0078.000000T0000Z-211005T1200Z/
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-
902 PM CDT Mon Oct 4 2021

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

* WHAT...Waves 3 to 5 ft expected. North to northeast winds 15 
  to 20 knots with higher gusts.

* 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.

&&

$$
247 
WHUS73 KMKX 050804
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
304 AM CDT Tue Oct 5 2021

LMZ643>646-051200-
/O.CON.KMKX.SC.Y.0078.000000T0000Z-211005T1200Z/
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-
304 AM CDT Tue Oct 5 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM CDT THIS
MORNING...

* WHAT...Northeast winds of 10 to 20 knots and waves of 3 to 5
  feet. 

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

* WHEN...Until 7 AM CDT this morning.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
DDV
700 
WHUS73 KMKX 051151
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
651 AM CDT Tue Oct 5 2021

LMZ643>646-051300-
/O.EXP.KMKX.SC.Y.0078.000000T0000Z-211005T1200Z/
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-
651 AM CDT Tue Oct 5 2021

...SMALL CRAFT ADVISORY WILL EXPIRE AT 7 AM CDT THIS MORNING...

Waves have fallen below 4 feet most places early this morning and
will continue to gradually subside during the day today. 
Therefore, the Small Craft Advisory is being allowed to expire. 

$$
DDV

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.