weather.gov     
National Weather Service

Watches, Warnings & Advisories
NWS Homepage

Small Craft Advisory


URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
359 AM CST Wed Nov 5 2025

LSZ121-147-052200-
/O.CON.KDLH.SC.Y.0117.251105T1600Z-251106T0400Z/
Chequamegon Bay-Bayfield to Oak Point WI-
Sand Island to Bayfield WI-
359 AM CST Wed Nov 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING
TO 10 PM CST THIS EVENING...

* WHAT...Northwest winds 10 to 15 kt with gusts up to 25 kt and
  waves up to 3 ft expected.

* WHERE...Chequamegon Bay-Bayfield to Oak Point WI and Sand
  Island to Bayfield WI.

* WHEN...From 10 AM this morning to 10 PM CST this evening.

* 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
359 AM CST Wed Nov 5 2025

LSZ140-141-052200-
/O.CON.KDLH.SC.Y.0117.251105T1000Z-251106T0400Z/
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
359 AM CST Wed Nov 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CST THIS
EVENING...

* WHAT...Northwest winds 5 to 15 kt with gusts up to 25 kt and
  waves 1 to 2 ft expected.

* WHERE...Grand Portage to Grand Marais MN and Grand Marais to
  Taconite Harbor MN.

* WHEN...Until 10 PM CST this evening.

* 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
359 AM CST Wed Nov 5 2025

LSZ142>144-052200-
/O.CON.KDLH.SC.Y.0117.251105T1000Z-251106T0400Z/
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-Two Harbors to Duluth MN-
359 AM CST Wed Nov 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CST THIS
EVENING...

* WHAT...Northwest winds 5 to 15 kt with gusts up to 25 kt and waves
  1 to 2 ft expected.

* WHERE...Taconite Harbor to Silver Bay Harbor MN, Silver Bay
  Harbor to Two Harbors MN and Two Harbors to Duluth MN.

* WHEN...Until 10 PM CST this evening.

* 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
359 AM CST Wed Nov 5 2025

LSZ145-146-052200-
/O.CON.KDLH.SC.Y.0117.251105T1600Z-251106T0400Z/
Duluth MN to Port Wing WI-Port Wing to Sand Island WI-
359 AM CST Wed Nov 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING
TO 10 PM CST THIS EVENING...

* WHAT...Northwest winds 10 to 15 kt with gusts up to 25 kt and
  waves 1 to 3 ft expected.

* WHERE...Duluth MN to Port Wing WI and Port Wing to Sand Island
  WI.

* WHEN...From 10 AM this morning to 10 PM CST this evening.

* 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
359 AM CST Wed Nov 5 2025

LSZ148-150-052200-
/O.CON.KDLH.SC.Y.0117.251105T1000Z-251106T0400Z/
Oak Point to Saxon Harbor WI-
Outer Apostle Islands Beyond 5 NM from Mainland-
359 AM CST Wed Nov 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CST THIS
EVENING...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 25 kt and
  waves 1 to 4 ft expected.

* WHERE...Oak Point to Saxon Harbor WI and Outer Apostle Islands
  Beyond 5 NM from Mainland.

* WHEN...Until 10 PM CST this evening.

* 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
309 AM EST Wed Nov 5 2025

LSZ240-241-052015-
/O.CON.KMQT.SC.Y.0172.251105T1200Z-251106T0300Z/
Saxon Harbor WI to Black River MI-Black River to Ontonagon MI-
309 AM EST Wed Nov 5 2025 /209 AM CST Wed Nov 5 2025/

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM EST /6 AM
CST/ THIS MORNING TO 10 PM EST /9 PM CST/ THIS EVENING...

* WHAT...Northwest winds 15 to 20 kt with gusts up to 25 kt and
  waves 3 to 6 ft expected.

* WHERE...Saxon Harbor WI to Black River MI and Black River to
  Ontonagon MI.

* WHEN...From 7 AM EST /6 AM CST/ this morning to 10 PM EST /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.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
309 AM EST Wed Nov 5 2025

LSZ242>244-052015-
/O.CON.KMQT.SC.Y.0172.251105T1200Z-251106T0600Z/
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
Eagle River to Manitou Island MI-
309 AM EST Wed Nov 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM THIS MORNING
TO 1 AM EST THURSDAY...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and
  waves 4 to 7 ft expected.

* WHERE...Ontonagon to Upper Entrance of Portage Canal MI, Upper
  Entrance of Portage Canal to Eagle River MI and Eagle River to
  Manitou Island MI.

* WHEN...From 7 AM this morning to 1 AM EST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$


Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service Duluth MN
332 AM CST Wed Nov 5 2025

LSZ121-140>148-150-060945-
Bayfield to Oak Point WI-Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-Two Harbors to Duluth MN-
Duluth MN to Port Wing WI-Port Wing to Sand Island WI-
Sand Island to Bayfield WI-Oak Point to Saxon Harbor WI-
Outer Apostle Islands Beyond 5 NM from Mainland-
332 AM CST Wed Nov 5 2025

This Hazardous Weather Outlook is for portions of Lake Superior
and the Nearshore waters of western Lake Superior.

.DAY ONE...Today and Tonight

Strong northwesterly winds will create hazardous conditions for
small craft across all of the nearshore waters through this
evening. Small Craft Advisories are in effect.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Additional periods of gusty winds may lead to conditions
hazardous to small craft Thursday into Friday and again Sunday
into Monday.

$$

KML

More information may be obtained at the following web address:
http://www.weather.gov/duluth

Hazardous Weather Outlook
National Weather Service Marquette MI
349 AM EST Wed Nov 5 2025

LSZ162-240>251-263>267-060900-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-Saxon Harbor WI to Black River MI-
Black River to Ontonagon MI-
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
Eagle River to Manitou Island MI-
Manitou Island to Point Isabelle MI-
Point Isabelle to Lower Entrance of Portage Canal MI-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-Huron Islands to Marquette MI-
Marquette to Munising MI-Munising to Grand Marais MI-
Grand Marais to Whitefish Point MI-
Lake Superior from Saxon Harbor WI to Upper Entrance to Portage
Canal MI 5NM off shore to the US/Canadian border including Isle
Royale National Park-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
Lake Superior East of a line from Manitou Island to Marquette MI
and West of a line from Grand Marais MI to the US/Canadian Border
Beyond 5NM from shore-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
349 AM EST Wed Nov 5 2025 /249 AM CST Wed Nov 5 2025/

This Hazardous Weather Outlook is for portions of Central Lake
Superior...Eastern Lake Superior and Western Lake Superior.

.DAY ONE...Today and Tonight

Northwest gales of 35 to 40 kts are possible this afternoon and
evening. See the latest open lakes forecast and marine weather
message for more information.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Northerly gales to 35 kts are possible on Friday.

.SPOTTER INFORMATION STATEMENT...

The need for weather spotter reports is not anticipated at this
time.

$$

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
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE