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Small Craft Advisory


URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
305 PM EST Wed Nov 12 2025

LMZ221-130815-
/O.CON.KMQT.SC.Y.0177.000000T0000Z-251113T1200Z/
Green Bay North of line from Cedar River MI to Rock Island
Passage-
305 PM EST Wed Nov 12 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
THURSDAY...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 25 kt and
  waves 1 to 3 ft occurring.

* WHERE...Green Bay North of line from Cedar River MI to Rock
  Island Passage.

* WHEN...Until 7 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.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
305 PM EST Wed Nov 12 2025

LMZ248-250-130815-
/O.CON.KMQT.SC.Y.0177.000000T0000Z-251113T1200Z/
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
305 PM EST Wed Nov 12 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
THURSDAY...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 25 kt and
  waves 1 to 3 ft occurring.

* WHERE...Seul Choix Point to Point Detour MI and 5NM East of a
  line from Fairport MI to Rock Island Passage.

* WHEN...Until 7 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.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
305 PM EST Wed Nov 12 2025

LSZ240-130600-
/O.CON.KMQT.SC.Y.0177.000000T0000Z-251113T0600Z/
Saxon Harbor WI to Black River MI-
305 PM EST Wed Nov 12 2025 /205 PM CST Wed Nov 12 2025/

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST
/MIDNIGHT CST/ THURSDAY...

* WHAT...West winds 10 to 20 kt with gusts up to 30 kt and waves
  2 to 5 ft occurring.

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

* WHEN...Until 1 AM EST /midnight CST/ 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.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
305 PM EST Wed Nov 12 2025

LSZ241-130815-
/O.CON.KMQT.GL.W.0050.000000T0000Z-251113T0000Z/
/O.CON.KMQT.SC.Y.0178.251113T0000Z-251113T2100Z/
Black River to Ontonagon MI-
305 PM EST Wed Nov 12 2025 /205 PM CST Wed Nov 12 2025/

...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST /6 PM CST/ THIS
EVENING...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM EST /6 PM
CST/ THIS EVENING TO 4 PM EST /3 PM CST/ THURSDAY...

* WHAT...For the Gale Warning, northwest winds 20 to 25 kt with
  gusts up to 35 kt and waves 6 to 7 ft occurring. For the Small
  Craft Advisory, west winds 10 to 20 kt with gusts up to 30 kt
  and waves 3 to 6 ft expected.

* WHERE...Black River to Ontonagon MI.

* WHEN...For the Gale Warning, until 7 PM EST /6 PM CST/ this
  evening. For the Small Craft Advisory, from 7 PM EST /6 PM
  CST/ this evening to 4 PM EST /3 PM CST/ Thursday.

* 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
305 PM EST Wed Nov 12 2025

LSZ242-130815-
/O.CON.KMQT.GL.W.0050.000000T0000Z-251113T0000Z/
/O.CON.KMQT.SC.Y.0178.251113T0000Z-251114T0000Z/
Ontonagon to Upper Entrance of Portage Canal MI-
305 PM EST Wed Nov 12 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING
TO 7 PM EST THURSDAY...

* WHAT...For the Gale Warning, northwest winds 25 to 30 kt with
  gusts up to 40 kt and waves 7 to 10 ft occurring. For the
  Small Craft Advisory, west 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 Gale Warning, until 7 PM EST this evening. For
  the Small Craft Advisory, from 7 PM this evening to 7 PM EST
  Thursday.

* 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
305 PM EST Wed Nov 12 2025

LSZ243>249-130815-
/O.CON.KMQT.GL.W.0050.000000T0000Z-251113T0600Z/
/O.EXT.KMQT.SC.Y.0178.251113T0600Z-251114T0200Z/
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-
305 PM EST Wed Nov 12 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 1 AM EST THURSDAY...
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 1 AM TO 9 PM EST
THURSDAY...

* WHAT...For the Gale Warning, northwest winds 20 to 30 kt with
  gusts up to 40 kt and waves 6 to 9 ft occurring. For the Small
  Craft Advisory, west winds 15 to 25 kt with gusts up to 30 kt
  and waves 6 to 9 ft expected.

* WHERE...Portions of Central, Eastern and Western Lake Superior.

* WHEN...For the Gale Warning, until 1 AM EST Thursday. For the
  Small Craft Advisory, from 1 AM to 9 PM EST Thursday.

* 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
305 PM EST Wed Nov 12 2025

LSZ250-251-130815-
/O.CON.KMQT.GL.W.0050.000000T0000Z-251113T0600Z/
/O.EXT.KMQT.SC.Y.0178.251113T0600Z-251114T0900Z/
Munising to Grand Marais MI-Grand Marais to Whitefish Point MI-
305 PM EST Wed Nov 12 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 1 AM EST THURSDAY...
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 1 AM THURSDAY TO 4 AM
EST FRIDAY...

* WHAT...For the Gale Warning, northwest winds 25 to 30 kt with
  gusts up to 40 kt and waves 9 to 14 ft occurring. For the Small
  Craft Advisory, northwest winds 20 to 30 kt with gusts up to 30
  kt and waves 9 to 14 ft expected.

* WHERE...Munising to Grand Marais MI and Grand Marais to
  Whitefish Point MI.

* WHEN...For the Gale Warning, until 1 AM EST Thursday. For the
  Small Craft Advisory, from 1 AM Thursday to 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.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
302 PM CST Wed Nov 12 2025

LMZ521-541-130515-
/O.CON.KGRB.SC.Y.0086.000000T0000Z-251113T1200Z/
Green Bay south of line from  Cedar River to Rock Island Passage
and north of a line from Oconto WI to Little Sturgeon Bay WI-
Rock Island Passage to Sturgeon Bay WI-
302 PM CST Wed Nov 12 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST
THURSDAY...

* WHAT...West to northwest winds 15 to 20 kts with gusts to 25 to 30
  kts and waves 2 to 4 ft.

* WHERE...Lake Michigan nearshore waters from Washington Island
  to Sturgeon Bay, and Central Bay of Green Bay.

* WHEN...Until 6 AM CST 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.

&&

$$
Kieckbusch

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
253 PM EST Wed Nov 12 2025

LHZ345>349-130400-
/O.CON.KAPX.SC.Y.0110.000000T0000Z-251114T0000Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
253 PM EST Wed Nov 12 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST
THURSDAY...

* WHAT...Highest gusts up to 30 kts from the west and highest
  waves around 9 feet.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge
  including Mackinac Island, St Ignace to False Detour Channel,
  5NM East of Mackinac Bridge to Presque Isle Light MI including
  Bois Blanc Island, Presque Isle Light to Sturgeon Pt MI
  Including Thunder Bay National Marine Sanctuary and Sturgeon
  Pt to Alabaster MI.

* WHEN...Until 7 PM 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.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
253 PM EST Wed Nov 12 2025

LMZ323-341-342-344-130400-
/O.CON.KAPX.SC.Y.0110.000000T0000Z-251114T0000Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
253 PM EST Wed Nov 12 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST
THURSDAY...

* WHAT...Highest gusts up to 30 kts from the west and highest
  waves around 7 feet.

* WHERE...Grand Traverse Bay south of a line Grand Traverse
  Light to Norwood MI, Seul Choix Point to 5NM West of Mackinac
  Bridge, Norwood MI to 5NM West of Mackinac Bridge including
  Little Traverse Bay and Sleeping Bear Point to Grand Traverse
  Light MI.

* WHEN...Until 7 PM 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.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
253 PM EST Wed Nov 12 2025

LSZ321-130400-
/O.CON.KAPX.SC.Y.0110.000000T0000Z-251114T0000Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
253 PM EST Wed Nov 12 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST
THURSDAY...

* WHAT...Highest gusts up to 30 kts from the northwest and
  highest waves around 10 feet.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point
  Iroquois MI.

* WHEN...Until 7 PM 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.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
148 PM CST Wed Nov 12 2025

LSZ121-145>148-130600-
/O.CON.KDLH.SC.Y.0121.000000T0000Z-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-
148 PM CST Wed Nov 12 2025

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

* WHAT...West winds 10 to 20 kt with gusts up to 30 kt and waves
  1 to 4 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 midnight CST tonight.

* 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
148 PM CST Wed Nov 12 2025

LSZ140-141-130800-
/O.CON.KDLH.SC.Y.0122.000000T0000Z-251113T1800Z/
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
148 PM CST Wed Nov 12 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON CST
THURSDAY...

* WHAT...West winds 10 to 15 kt with gusts up to 25 kt and waves
  1 to 2 ft.

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

* WHEN...Until noon 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
148 PM CST Wed Nov 12 2025

LSZ142>144-130800-
/O.CON.KDLH.SC.Y.0121.000000T0000Z-251113T1200Z/
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-Two Harbors to Duluth MN-
148 PM CST Wed Nov 12 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST
THURSDAY...

* WHAT...West winds 10 to 15 kt with gusts up to 30 kt and waves
  1 to 2 ft.

* WHERE...Taconite Harbor to Silver Bay Harbor MN, Silver Bay
  Harbor to Two Harbors MN and Two Harbors to Duluth 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
148 PM CST Wed Nov 12 2025

LSZ150-130800-
/O.CON.KDLH.SC.Y.0121.000000T0000Z-251113T1800Z/
Outer Apostle Islands Beyond 5 NM from Mainland-
148 PM CST Wed Nov 12 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON CST
THURSDAY...

* WHAT...West winds 10 to 20 kt with gusts up to 30 kt and waves
  2 to 5 ft.

* WHERE...Outer Apostle Islands Beyond 5 NM from Mainland.

* WHEN...Until noon CST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Anyone operating a smaller vessel should avoid navigating in
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
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE