Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
321 AM CST Tue Nov 11 2025
LSZ121-145>148-112130-
/O.EXA.KDLH.SC.Y.0121.251111T1000Z-251113T0600Z/
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-
321 AM CST Tue Nov 11 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT CST WEDNESDAY
NIGHT...
* WHAT...Southwest winds 10 to 20 kt with gusts up to 30 kt and
waves 1 to 4 ft expected. Winds will shift to the west-northwest
this evening.
* 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 midnight CST Wednesday night.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
321 AM CST Tue Nov 11 2025
LSZ140-112130-
/O.EXT.KDLH.SC.Y.0121.251111T1000Z-251113T1200Z/
Grand Portage to Grand Marais MN-
321 AM CST Tue Nov 11 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 AM CST THURSDAY...
* WHAT...Southwest winds 10 to 20 kt with gusts up to 30 kt and
waves 4 to 7 ft expected. Winds will shift to the west-northwest
this evening. Brief gales up to 35 kt are possible on
Wednesday.
* WHERE...Grand Portage to Grand Marais MN.
* WHEN...Until 6 AM CST Thursday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
321 AM CST Tue Nov 11 2025
LSZ141-142-112130-
/O.EXT.KDLH.SC.Y.0121.251111T1000Z-251113T0600Z/
Grand Marais to Taconite Harbor MN-
Taconite Harbor to Silver Bay Harbor MN-
321 AM CST Tue Nov 11 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL MIDNIGHT CST
WEDNESDAY NIGHT...
* WHAT...Southwest winds 10 to 20 kt with gusts up to 30 kt and
waves 2 to 5 ft expected. Winds will shift to the west-northwest
this evening.
* WHERE...Grand Marais to Taconite Harbor MN and Taconite Harbor
to Silver Bay Harbor MN.
* WHEN...Until midnight CST Wednesday night.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
321 AM CST Tue Nov 11 2025
LSZ143-144-112130-
/O.EXA.KDLH.SC.Y.0121.251111T1000Z-251113T0600Z/
Silver Bay Harbor to Two Harbors MN-Two Harbors to Duluth MN-
321 AM CST Tue Nov 11 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT CST WEDNESDAY
NIGHT...
* WHAT...Southwest winds 10 to 20 kt with gusts up to 25 kt and
waves 1 to 4 ft expected. Winds will shift to the west-northwest
this evening.
* WHERE...Silver Bay Harbor to Two Harbors MN and Two Harbors to
Duluth MN.
* WHEN...Until midnight CST Wednesday night.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
321 AM CST Tue Nov 11 2025
LSZ150-112130-
/O.EXT.KDLH.SC.Y.0121.251111T1000Z-251113T1200Z/
Outer Apostle Islands Beyond 5 NM from Mainland-
321 AM CST Tue Nov 11 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 AM CST THURSDAY...
* WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt and
waves 3 to 6 ft expected. Winds will shift to the west-northwest
this evening. Brief gales up to 35 kt are possible on
Wednesday.
* WHERE...Outer Apostle Islands Beyond 5 NM from Mainland.
* WHEN...Until 6 AM CST Thursday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
224 AM EST Tue Nov 11 2025
LSZ240-111930-
/O.CON.KMQT.SC.Y.0177.251111T1200Z-251113T0000Z/
Saxon Harbor WI to Black River MI-
224 AM EST Tue Nov 11 2025 /124 AM CST Tue Nov 11 2025/
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM EST /6 AM
CST/ THIS MORNING TO 7 PM EST /6 PM CST/ WEDNESDAY...
* WHAT...West winds 15 to 25 kt with gusts up to 30 kt and waves
2 to 5 ft expected.
* WHERE...Saxon Harbor WI to Black River MI.
* WHEN...From 7 AM EST /6 AM CST/ this morning to 7 PM EST /6 PM
CST/ Wednesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
224 AM EST Tue Nov 11 2025
LSZ241-242-111930-
/O.CON.KMQT.SC.Y.0177.251111T1400Z-251112T0600Z/
/O.UPG.KMQT.GL.A.0029.251112T0600Z-251113T0600Z/
/O.NEW.KMQT.GL.W.0050.251112T0600Z-251113T0000Z/
Black River to Ontonagon MI-
Ontonagon to Upper Entrance of Portage Canal MI-
224 AM EST Tue Nov 11 2025 /124 AM CST Tue Nov 11 2025/
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM EST /8 AM
CST/ THIS MORNING TO 1 AM EST /MIDNIGHT CST/ WEDNESDAY...
...GALE WARNING IN EFFECT FROM 1 AM EST /MIDNIGHT CST/ TO 7 PM
EST /6 PM CST/ WEDNESDAY...
* WHAT...For the Small Craft Advisory, west winds 15 to 25 kt
with gusts up to 30 kt and waves 4 to 7 ft expected. For the
Gale Warning, northwest winds 20 to 25 kt with gusts up to 35
kt and waves 7 to 10 ft expected.
* WHERE...Black River to Ontonagon MI and Ontonagon to Upper
Entrance of Portage Canal MI.
* WHEN...For the Small Craft Advisory, from 9 AM EST /8 AM CST/
this morning to 1 AM EST /midnight CST/ Wednesday. For the
Gale Warning, from 1 AM EST /midnight CST/ to 7 PM EST /6 PM
CST/ Wednesday.
* 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.
&&
$$
