weather.gov     
National Weather Service

Watches, Warnings & Advisories
NWS Homepage

Small Craft Advisory


URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
1041 AM EDT Tue Oct 22 2024

LSZ248-249-222245-
/O.CON.KMQT.SC.Y.0143.241022T1700Z-241023T0600Z/
/O.CON.KMQT.GL.W.0037.241023T0600Z-241023T1500Z/
Huron Islands to Marquette MI-Marquette to Munising MI-
1041 AM EDT Tue Oct 22 2024

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT
WEDNESDAY...
...GALE WARNING REMAINS IN EFFECT FROM 2 AM TO 11 AM EDT
WEDNESDAY...

* WHAT...For the Small Craft Advisory, southwest winds 10 to 20
  kt with gusts up to 30 kt and waves 1 to 3 ft expected. For
  the Gale Warning, northwest winds 20 to 30 kt with gusts up to
  35 kt and waves 6 to 11 ft expected.

* WHERE...Huron Islands to Marquette MI and Marquette to
  Munising MI.

* WHEN...For the Small Craft Advisory, until 2 AM EDT Wednesday.
  For the Gale Warning, from 2 AM to 11 AM EDT 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 severe conditions.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
1041 AM EDT Tue Oct 22 2024

LSZ250-251-222245-
/O.CON.KMQT.SC.Y.0143.241022T1500Z-241023T0600Z/
/O.CON.KMQT.GL.W.0037.241023T0600Z-241023T1500Z/
Munising to Grand Marais MI-Grand Marais to Whitefish Point MI-
1041 AM EDT Tue Oct 22 2024

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT
WEDNESDAY...
...GALE WARNING REMAINS IN EFFECT FROM 2 AM TO 11 AM EDT
WEDNESDAY...

* WHAT...For the Small Craft Advisory, south winds 10 to 20 kt
  with gusts up to 30 kt and waves 1 to 3 ft expected. For the
  Gale Warning, northwest winds 20 to 30 kt with gusts up to 35
  kt and waves 8 to 13 ft expected.

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

* WHEN...For the Small Craft Advisory, until 2 AM EDT Wednesday.
  For the Gale Warning, from 2 AM to 11 AM EDT 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 severe conditions.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
1041 AM EDT Tue Oct 22 2024

LMZ221-248-250-222245-
/O.CON.KMQT.SC.Y.0143.241022T1600Z-241023T2200Z/
Green Bay North of line from Cedar River MI to Rock Island
Passage-Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
1041 AM EDT Tue Oct 22 2024

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM EDT
WEDNESDAY...

* WHAT...West winds 15 to 25 kt with gusts up to 30 kt and waves
  3 to 6 ft expected.

* WHERE...Green Bay North of line from Cedar River MI to Rock
  Island Passage, Seul Choix Point to Point Detour MI and 5NM
  East of a line from Fairport MI to Rock Island Passage.

* WHEN...Until 6 PM EDT 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
1041 AM EDT Tue Oct 22 2024

LSZ240-222245-
/O.CON.KMQT.SC.Y.0143.241022T2100Z-241023T1800Z/
Saxon Harbor WI to Black River MI-
1041 AM EDT Tue Oct 22 2024 /941 AM CDT Tue Oct 22 2024/

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 PM EDT /4 PM
CDT/ THIS AFTERNOON TO 2 PM EDT /1 PM CDT/ WEDNESDAY...

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

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

* WHEN...From 5 PM EDT /4 PM CDT/ this afternoon to 2 PM EDT /1
  PM CDT/ 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
1041 AM EDT Tue Oct 22 2024

LSZ241-222245-
/O.CON.KMQT.SC.Y.0143.241022T2100Z-241023T2200Z/
Black River to Ontonagon MI-
1041 AM EDT Tue Oct 22 2024 /941 AM CDT Tue Oct 22 2024/

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 PM EDT /4 PM
CDT/ THIS AFTERNOON TO 6 PM EDT /5 PM CDT/ WEDNESDAY...

* WHAT...West winds 15 to 25 kt with gusts up to 30 kt and waves
  6 to 9 ft expected.

* WHERE...Black River to Ontonagon MI.

* WHEN...From 5 PM EDT /4 PM CDT/ this afternoon to 6 PM EDT /5
  PM CDT/ 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 Gaylord MI
232 PM EDT Tue Oct 22 2024

LHZ345-LMZ323-341-342-344>346-230245-
/O.CON.KAPX.SC.Y.0081.000000T0000Z-241024T0000Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
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-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
232 PM EDT Tue Oct 22 2024

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT
WEDNESDAY...

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

* WHERE...Portions of Lake Huron and Lake Michigan.

* WHEN...From 2 PM this afternoon to 8 PM EDT 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 Gaylord MI
232 PM EDT Tue Oct 22 2024

LHZ346>349-LSZ321-322-230245-
/O.CON.KAPX.SC.Y.0082.241023T1000Z-241024T0000Z/
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-
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
232 PM EDT Tue Oct 22 2024

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 AM TO 8 PM EDT
WEDNESDAY...

* WHAT...Highest gusts up to 30 kts from the northwest and
  highest waves around 11 feet expected.

* WHERE...In Lake Huron, St Ignace to False Detour Channel and
  5NM East of Mackinac Bridge to Presque Isle Light MI including
  Bois Blanc Island. In Lake Superior, Whitefish Bay (U. S.
  Portion)/Whitefish Point to Point Iroquois MI and St. Marys
  River Point Iroquois to E. Potagannissing Bay.

* WHEN...From 6 AM to 8 PM EDT 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 Green Bay WI
952 AM CDT Tue Oct 22 2024

LMZ521-522-222300-
/O.CON.KGRB.SC.Y.0072.241023T0700Z-241023T1800Z/
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-
Green Bay south of line from  Oconto WI to Little Sturgeon Bay WI-
952 AM CDT Tue Oct 22 2024

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 AM TO 1 PM CDT
WEDNESDAY...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and
  waves 2 to 5 ft expected.

* WHERE...Central and Southern Bay of Green Bay.

* WHEN...From 2 AM to 1 PM CDT 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 Green Bay WI
952 AM CDT Tue Oct 22 2024

LMZ541>543-222300-
/O.CON.KGRB.SC.Y.0072.241022T1600Z-241023T1800Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
952 AM CDT Tue Oct 22 2024

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM CDT
WEDNESDAY...

* WHAT...South winds 10 to 20 kt with gusts up to 30 kt and waves
  3 to 6 ft expected late this morning into early evening.
  Northwest 15 to 25 kt with gusts up to around 30 kt and waves 2
  to 5 ft expected late this evening through early Wednesday
  afternoon.

* WHERE...Lake Michigan nearshore waters from Washington Island
  to Sheboygan.

* WHEN...From 11 AM this morning to 1 PM CDT 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 Duluth MN
908 AM CDT Tue Oct 22 2024

LSZ140-230215-
/O.CON.KDLH.SC.Y.0119.241022T1500Z-241023T1500Z/
Grand Portage to Grand Marais MN-
908 AM CDT Tue Oct 22 2024

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT
WEDNESDAY...

* WHAT...West winds 10 to 20 kt with gusts up to 30 kt and waves
  1 to 3 ft expected.

* WHERE...Grand Portage to Grand Marais MN.

* WHEN...Until 10 AM CDT Wednesday.

* 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
908 AM CDT Tue Oct 22 2024

LSZ141>144-230215-
/O.CON.KDLH.SC.Y.0119.241022T2100Z-241023T1500Z/
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-
908 AM CDT Tue Oct 22 2024

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 PM THIS
AFTERNOON TO 10 AM CDT WEDNESDAY...

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

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

* WHEN...From 4 PM this afternoon to 10 AM CDT Wednesday.

* 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
908 AM CDT Tue Oct 22 2024

LSZ121-145-146-148-230215-
/O.CON.KDLH.SC.Y.0119.241022T2100Z-241023T1800Z/
Chequamegon Bay-Bayfield to Oak Point WI-
Duluth MN to Port Wing WI-Port Wing to Sand Island WI-
Oak Point to Saxon Harbor WI-
908 AM CDT Tue Oct 22 2024

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 PM THIS
AFTERNOON TO 1 PM CDT WEDNESDAY...

* WHAT...West winds 10 to 20 kt with gusts up to 30 kt and waves
  1 to 4 ft expected.

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

* WHEN...From 4 PM this afternoon to 1 PM CDT Wednesday.

* 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
908 AM CDT Tue Oct 22 2024

LSZ147-150-230215-
/O.CON.KDLH.SC.Y.0119.241022T2100Z-241023T1800Z/
Sand Island to Bayfield WI-
Outer Apostle Islands Beyond 5 NM from Mainland-
908 AM CDT Tue Oct 22 2024

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 PM THIS
AFTERNOON TO 1 PM CDT WEDNESDAY...

* WHAT...West winds 15 to 25 kt with gusts up to 30 kt and waves
  2 to 5 ft expected.

* WHERE...Sand Island to Bayfield WI and Outer Apostle Islands
  Beyond 5 NM from Mainland.

* WHEN...From 4 PM this afternoon to 1 PM CDT Wednesday.

* 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