Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
1037 PM EST Fri Dec 5 2025
LSZ240-061200-
/O.CON.KMQT.SC.Y.0194.251206T0500Z-251206T1200Z/
Saxon Harbor WI to Black River MI-
1037 PM EST Fri Dec 5 2025 /937 PM CST Fri Dec 5 2025/
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST /6 AM
CST/ SATURDAY...
* WHAT...Northwest winds 15 to 20 kt with gusts up to 25 kt and
waves 3 to 5 ft expected.
* WHERE...Saxon Harbor WI to Black River MI.
* WHEN...Until 7 AM EST /6 AM CST/ Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
1037 PM EST Fri Dec 5 2025
LSZ241-242-061545-
/O.CON.KMQT.SC.Y.0194.000000T0000Z-251206T1800Z/
Black River to Ontonagon MI-
Ontonagon to Upper Entrance of Portage Canal MI-
1037 PM EST Fri Dec 5 2025 /937 PM CST Fri Dec 5 2025/
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST /NOON
CST/ SATURDAY...
* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and
waves 4 to 7 ft occurring.
* WHERE...Black River to Ontonagon MI and Ontonagon to Upper
Entrance of Portage Canal MI.
* WHEN...Until 1 PM EST /noon CST/ Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
1037 PM EST Fri Dec 5 2025
LSZ243-061545-
/O.CON.KMQT.SC.Y.0194.000000T0000Z-251206T1800Z/
Upper Entrance of Portage Canal to Eagle River MI-
1037 PM EST Fri Dec 5 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
SATURDAY...
* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and
waves 4 to 7 ft occurring.
* WHERE...Upper Entrance of Portage Canal to Eagle River MI.
* WHEN...Until 1 PM EST Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
1037 PM EST Fri Dec 5 2025
LSZ244-061545-
/O.CON.KMQT.SC.Y.0194.000000T0000Z-251206T2100Z/
Eagle River to Manitou Island MI-
1037 PM EST Fri Dec 5 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST
SATURDAY...
* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and
waves 5 to 8 ft occurring.
* WHERE...Eagle River to Manitou Island MI.
* WHEN...Until 4 PM EST Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
1037 PM EST Fri Dec 5 2025
LSZ245>247-061545-
/O.CON.KMQT.SC.Y.0194.251206T0400Z-251206T1800Z/
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-
1037 PM EST Fri Dec 5 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
SATURDAY...
* WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt and
waves up to 3 ft expected.
* WHERE...Manitou Island to Point Isabelle MI, Point Isabelle to
Lower Entrance of Portage Canal MI and Lower Entrance of
Portage Canal To Huron Islands MI Including Keweenaw and Huron
Bays.
* WHEN...Until 1 PM EST Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
1037 PM EST Fri Dec 5 2025
LSZ248-061545-
/O.CON.KMQT.SC.Y.0194.251206T0600Z-251206T1800Z/
Huron Islands to Marquette MI-
1037 PM EST Fri Dec 5 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
SATURDAY...
* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and
waves 3 to 6 ft expected.
* WHERE...Huron Islands to Marquette MI.
* WHEN...Until 1 PM EST Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
1037 PM EST Fri Dec 5 2025
LSZ249>251-061545-
/O.CON.KMQT.SC.Y.0194.251206T0800Z-251207T0000Z/
Marquette to Munising MI-Munising to Grand Marais MI-
Grand Marais to Whitefish Point MI-
1037 PM EST Fri Dec 5 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 AM TO 7 PM EST
SATURDAY...
* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and
waves 7 to 10 ft expected.
* WHERE...Marquette to Munising MI, Munising to Grand Marais MI
and Grand Marais to Whitefish Point MI.
* WHEN...From 3 AM to 7 PM EST Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1212 AM EST Sat Dec 6 2025
LHZ345>348-061830-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
1212 AM EST Sat Dec 6 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...
* WHAT...Highest gusts up to 25 kts from the west and highest
waves around 6 feet.
* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge
including Mackinac Island, St Ignace to False Detour Channel,
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island and Presque Isle Light to Sturgeon Pt MI
Including Thunder Bay National Marine Sanctuary.
* WHEN...Until 4 PM EST this afternoon.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1212 AM EST Sat Dec 6 2025
LMZ323-341-342-344>346-061830-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
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-
1212 AM EST Sat Dec 6 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...
* WHAT...Highest gusts up to 25 kts from the northwest and
highest waves around 6 feet.
* WHERE...Portions of Lake Michigan.
* WHEN...Until 4 PM EST this afternoon.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1212 AM EST Sat Dec 6 2025
LSZ321-061830-
/O.CON.KAPX.SC.Y.0118.251206T0900Z-251206T2100Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
1212 AM EST Sat Dec 6 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 AM EARLY THIS
MORNING TO 4 PM EST THIS AFTERNOON...
* WHAT...Highest gusts up to 25 kts from the northwest and
highest waves around 9 feet expected.
* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point
Iroquois MI.
* WHEN...From 4 AM early this morning to 4 PM EST this afternoon.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
921 PM CST Fri Dec 5 2025
LSZ121-145>148-061200-
/O.CON.KDLH.SC.Y.0133.000000T0000Z-251206T1200Z/
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-
921 PM CST Fri Dec 5 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST
SATURDAY...
* WHAT...Northwest winds 10 to 20 kt with gusts up to 25 kt and
waves 1 to 3 ft expected.
* 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 6 AM CST Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
921 PM CST Fri Dec 5 2025
LSZ140-141-061500-
/O.CON.KDLH.SC.Y.0133.000000T0000Z-251206T1500Z/
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
921 PM CST Fri Dec 5 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST
SATURDAY...
* WHAT...Northwest winds 10 to 15 kt with gusts up to 25 kt and
waves 1 to 2 ft expected.
* WHERE...Grand Portage to Grand Marais MN and Grand Marais to
Taconite Harbor MN.
* WHEN...Until 9 AM CST Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
921 PM CST Fri Dec 5 2025
LSZ150-061500-
/O.CON.KDLH.SC.Y.0133.000000T0000Z-251206T1500Z/
Outer Apostle Islands Beyond 5 NM from Mainland-
921 PM CST Fri Dec 5 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST
SATURDAY...
* WHAT...Northwest winds 15 to 20 kt with gusts up to 25 kt and
waves 2 to 4 ft expected.
* WHERE...Outer Apostle Islands Beyond 5 NM from Mainland.
* WHEN...Until 9 AM CST Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.
&&
$$
