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Small Craft Advisory


URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
1207 PM CST Thu Dec 4 2025

LSZ121-145>148-050615-
/O.CON.KDLH.SC.Y.0132.000000T0000Z-251205T1600Z/
Chequamegon Bay-Bayfield to Oak Point WI-
Duluth MN to Port Wing WI-Port Wing to Sand Island WI-
Sand Island to Bayfield WI-Oak Point to Saxon Harbor WI-
1207 PM CST Thu Dec 4 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST
FRIDAY...

* WHAT...Southwest winds 15 to 25 kt with gusts up to 40 kt and
  waves 3 to 6 ft.

* WHERE...Chequamegon Bay-Bayfield to Oak Point WI, Duluth MN to
  Port Wing WI, Port Wing to Sand Island WI, Sand Island to
  Bayfield WI and Oak Point to Saxon Harbor WI.

* WHEN...Until 10 AM CST Friday.

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

* ADDITIONAL DETAILS...Wind gusts may drop below 20 knots for a
  time Thursday morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
316 PM EST Thu Dec 4 2025

LSZ241-050830-
/O.CON.KMQT.SC.Y.0191.000000T0000Z-251204T2100Z/
/O.CON.KMQT.GL.W.0058.251204T2100Z-251205T0900Z/
Black River to Ontonagon MI-
316 PM EST Thu Dec 4 2025 /216 PM CST Thu Dec 4 2025/

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST /3 PM
CST/ THIS AFTERNOON...
...GALE WARNING REMAINS IN EFFECT UNTIL 4 AM EST /3 AM CST/
FRIDAY...

* WHAT...For the Small Craft Advisory, southwest winds 15 to 20
  kt with gusts up to 25 kt and waves 2 to 3 ft occurring. For
  the Gale Warning, southwest winds 15 to 25 kt with gusts up to
  35 kt and waves 4 to 7 ft expected.

* WHERE...Black River to Ontonagon MI.

* WHEN...For the Small Craft Advisory, until 4 PM EST /3 PM CST/
  this afternoon. For the Gale Warning, until 4 AM EST /3 AM
  CST/ Friday.

* 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 hazardous conditions.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
316 PM EST Thu Dec 4 2025

LSZ242-050830-
/O.CON.KMQT.SC.Y.0191.000000T0000Z-251204T2100Z/
/O.CON.KMQT.GL.W.0058.251204T2100Z-251205T0900Z/
Ontonagon to Upper Entrance of Portage Canal MI-
316 PM EST Thu Dec 4 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...
...GALE WARNING REMAINS IN EFFECT UNTIL 4 AM EST FRIDAY...

* WHAT...For the Small Craft Advisory, southwest winds 15 to 20
  kt with gusts up to 25 kt and waves 3 to 4 ft occurring. For
  the Gale Warning, southwest winds 15 to 25 kt with gusts up to
  35 kt and waves 6 to 9 ft expected.

* WHERE...Ontonagon to Upper Entrance of Portage Canal MI.

* WHEN...For the Small Craft Advisory, until 4 PM EST this
  afternoon. For the Gale Warning, until 4 AM EST Friday.

* 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 hazardous conditions.

&&

$$

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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