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Small Craft Advisory 0117
Issued by the Milwaukee / Sullivan Forecast Office

Action Issued Starts Expiration
New 2025-12-22 02:57:02 2025-12-22 12:00:00 2025-12-22 21:00:00
Continued 2025-12-22 09:09:44 2025-12-22 12:00:00 2025-12-22 21:00:00
Continued 2025-12-22 14:38:53 2025-12-22 21:00:00
Expired 2025-12-22 20:57:33 2025-12-22 21:00:00


Action: New
Issued At: 2025-12-22 02:57:02

874 
WHUS73 KMKX 220856
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
256 AM CST Mon Dec 22 2025

LMZ643-221800-
/O.NEW.KMKX.SC.Y.0117.251222T1800Z-251223T0300Z/
Sheboygan to Port Washington WI-
256 AM CST Mon Dec 22 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON TODAY TO 9 PM CST
THIS EVENING...

* WHAT...Waves 4 to 6 ft.

* WHERE...Nearshore Waters from Sheboygan to Port Washington.

* WHEN...From noon today to 9 PM CST 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.

&&

$$


Action: Continued
Issued At: 2025-12-22 09:09:44

691 
WHUS73 KMKX 221509
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
909 AM CST Mon Dec 22 2025

LMZ643-222315-
/O.CON.KMKX.SC.Y.0117.251222T1800Z-251223T0300Z/
Sheboygan to Port Washington WI-
909 AM CST Mon Dec 22 2025

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

* WHAT...South winds 15 to 20 knots and waves 4 to 6 feet 
  expected.

* WHERE...Nearshore Waters from Sheboygan to Port Washington.

* WHEN...From noon today to 9 PM CST 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.

&&

$$
Wood


Action: Continued
Issued At: 2025-12-22 14:38:53

706 
WHUS73 KMKX 222038
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
238 PM CST Mon Dec 22 2025

LMZ643-230300-
/O.CON.KMKX.SC.Y.0117.000000T0000Z-251223T0300Z/
Sheboygan to Port Washington WI-
238 PM CST Mon Dec 22 2025

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

* WHAT...South winds 15 to 20 knots and waves 4 to 6 feet 
  expected.

* WHERE...Nearshore Waters from Sheboygan to Port Washington.

* WHEN...Until 9 PM CST 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.

&&

$$
Wood


Action: Expired
Issued At: 2025-12-22 20:57:33

238 
WHUS73 KMKX 230257
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
857 PM CST Mon Dec 22 2025

LMZ643-230400-
/O.EXP.KMKX.SC.Y.0117.000000T0000Z-251223T0300Z/
Sheboygan to Port Washington WI-
857 PM CST Mon Dec 22 2025

...SMALL CRAFT ADVISORY WILL EXPIRE AT 9 PM CST THIS EVENING...

WaveWatch-3 model guidance indicates that waves have subsided 
below Small Craft thresholds. Thus, the Small Craft Advisory will 
be allowed to expire on time.

$$

Sheppard



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