Alert archive / Wisconsin / Small Craft Advisories in 2021

Small Craft Advisory 11, NWS Milwaukee, WI

January 31, 2021

NWS Milwaukee, WI issued this small craft advisory at Jan 31, 2021, 5:28 AM CST. It was in force for 40 hr.

The area

The counties it named.

The facts

Issued
Jan 31, 2021, 5:28 AM CST (11:28 UTC)
Expired
Feb 1, 2021, 9:03 PM CST
In force
40 hr
Issued by
NWS Milwaukee, WI

The text

As transmitted.

905 
WHUS73 KMKX 311128
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
528 AM CST Sun Jan 31 2021

LMZ643>646-311930-
/O.CAN.KMKX.GL.W.0003.000000T0000Z-210131T1200Z/
/O.NEW.KMKX.SC.Y.0011.210131T1128Z-210202T0600Z/
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-
528 AM CST Sun Jan 31 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT CST MONDAY
NIGHT...
...GALE WARNING IS CANCELLED...

* WHAT...East winds 15 to 25 kt with gusts up to 30 kt and waves 6
  to 9 ft. Winds shifting to the northeast this afternoon.  

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

* WHEN...Until midnight CST Monday night.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-311500-
/O.CON.KMKX.GL.W.0003.000000T0000Z-210131T1500Z/
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-
528 AM CST Sun Jan 31 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 9 AM CST THIS MORNING...

* WHAT...East winds 20 to 25 kt with gusts up to 35 kt and waves 
  6 to 9 ft.

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

* WHEN...Until 9 AM CST 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.

&&

$$
7 follow-up statements
434 
WHUS73 KMKX 311456
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
856 AM CST Sun Jan 31 2021

LMZ080-669-671-673-675-777-779-870-872-874-876-878-311600-
/O.EXP.KMKX.GL.W.0003.000000T0000Z-210131T1500Z/
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-
856 AM CST Sun Jan 31 2021

...GALE WARNING WILL EXPIRE AT 9 AM CST THIS MORNING...

East winds to 30 knots are expected late this morning, becoming
northeast this afternoon over the southern half of the open 
waters of Lake Michigan. These winds will gradually weaken tonight
into Monday. Thus, the Gale Warning will be allowed to expire.

$$

LMZ643>646-312300-
/O.CON.KMKX.SC.Y.0011.000000T0000Z-210202T0600Z/
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-
856 AM CST Sun Jan 31 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
MONDAY NIGHT...

* WHAT...East winds to 30 knots late this morning, backing 
  northeast this afternoon. Northeast to north winds 15 to 25 
  knots tonight, with north winds 15 to 20 knots on Monday. Waves 
  6 to 9 feet today into this evening, subsiding to 4 to 7 feet 
  later tonight into Monday, and 3 to 5 feet Monday evening.

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

* WHEN...Until midnight CST Monday night.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
Wood
139 
WHUS73 KMKX 312042
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
242 PM CST Sun Jan 31 2021

LMZ643>646-010445-
/O.CON.KMKX.SC.Y.0011.000000T0000Z-210202T0600Z/
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-
242 PM CST Sun Jan 31 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
MONDAY NIGHT...

* WHAT...Northeast winds to 30 knots into early evening, then
  northeast to north winds 15 to 25 knots tonight, with north
  winds 15 to 20 knots on Monday. Waves 6 to 9 feet into this
  evening, subsiding to 4 to 7 feet later tonight into Monday, 
  and 3 to 5 feet Monday evening.

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

* WHEN...Until midnight CST Monday night.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
Wood
289 
WHUS73 KMKX 010241
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
841 PM CST Sun Jan 31 2021

LMZ643>646-011045-
/O.CON.KMKX.SC.Y.0011.000000T0000Z-210202T0600Z/
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-
841 PM CST Sun Jan 31 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
MONDAY NIGHT...

* WHAT...North to northeast wind gusts to 25 knots decreasing to
  20 knots later tonight and Monday morning and becoming more
  north to northwest. Waves 4 to 8 feet, decreasing to 3 to 5 
  feet Monday evening. 

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

* WHEN...Until midnight CST Monday night.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
MBK
728 
WHUS73 KMKX 010818
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
218 AM CST Mon Feb 1 2021

LMZ643>646-011630-
/O.CON.KMKX.SC.Y.0011.000000T0000Z-210202T0600Z/
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-
218 AM CST Mon Feb 1 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...

* WHAT...Waves 3 to 6 ft.

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

* WHEN...Until midnight CST tonight.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
243 
WHUS73 KMKX 011458
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
858 AM CST Mon Feb 1 2021

LMZ643>646-012300-
/O.CON.KMKX.SC.Y.0011.000000T0000Z-210202T0600Z/
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-
858 AM CST Mon Feb 1 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...

* WHAT...North winds 15 to 20 knots. Waves 3 to 6 ft, the highest
  waves toward the south. 

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

* WHEN...Until midnight CST tonight.

* 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
469 
WHUS73 KMKX 012013
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
213 PM CST Mon Feb 1 2021

LMZ643>646-020415-
/O.CON.KMKX.SC.Y.0011.000000T0000Z-210202T0600Z/
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-
213 PM CST Mon Feb 1 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...

* WHAT...North winds 15 to 20 knots. Waves 3 to 5 ft, the 
  highest waves toward the south.

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

* WHEN...Until midnight CST tonight.

* 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
820 
WHUS73 KMKX 020303
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
903 PM CST Mon Feb 1 2021

LMZ643>646-020415-
/O.CAN.KMKX.SC.Y.0011.000000T0000Z-210202T0600Z/
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 PM CST Mon Feb 1 2021

...SMALL CRAFT ADVISORY IS CANCELLED...

Northwest winds 10 to 15 knots gusting to 20 knots will 
continue tonight. Waves of 2 to 4 feet are expected with highest
waves south of North Point Lighthouse. 

$$

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.