Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
349 PM EST Fri Dec 5 2025
LMZ248-250-060300-
/O.EXT.KMQT.SC.Y.0193.000000T0000Z-251206T0300Z/
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
349 PM EST Fri Dec 5 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 PM EST THIS
EVENING...
* WHAT...Southwest winds 10 to 20 kt with gusts up to 25 kt and
waves 2 to 4 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 10 PM EST 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
349 PM EST Fri Dec 5 2025
LSZ240-060900-
/O.EXT.KMQT.SC.Y.0194.251206T0500Z-251206T1200Z/
Saxon Harbor WI to Black River MI-
349 PM EST Fri Dec 5 2025 /249 PM CST Fri Dec 5 2025/
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM MIDNIGHT EST /11 PM
CST/ TONIGHT TO 7 AM EST /6 AM CST/ SATURDAY...
* WHAT...Northwest winds 15 to 20 kt with gusts up to 25 kt and
waves 3 to 5 ft expected.
* WHERE...Saxon Harbor WI to Black River MI.
* WHEN...From midnight EST /11 PM CST/ tonight to 7 AM EST /6 AM
CST/ Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
349 PM EST Fri Dec 5 2025
LSZ241-242-060900-
/O.CON.KMQT.SC.Y.0194.251206T0000Z-251206T1800Z/
Black River to Ontonagon MI-
Ontonagon to Upper Entrance of Portage Canal MI-
349 PM EST Fri Dec 5 2025 /249 PM CST Fri Dec 5 2025/
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM EST /6 PM
CST/ THIS EVENING TO 1 PM EST /NOON CST/ SATURDAY...
* WHAT...West to northwest winds 15 to 25 kt with gusts up to 30
kt and waves 4 to 7 ft expected.
* WHERE...Black River to Ontonagon MI and Ontonagon to Upper
Entrance of Portage Canal MI.
* WHEN...From 7 PM EST /6 PM CST/ this evening to 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
349 PM EST Fri Dec 5 2025
LSZ243-060900-
/O.CAN.KMQT.SC.Y.0193.000000T0000Z-251205T2100Z/
/O.EXT.KMQT.SC.Y.0194.251205T2049Z-251206T1800Z/
Upper Entrance of Portage Canal to Eagle River MI-
349 PM EST Fri Dec 5 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 PM EST SATURDAY...
* WHAT...West to northwest winds 15 to 25 kt with gusts up to 30
kt and waves 4 to 7 ft occurring.
* WHERE...Upper Entrance of Portage Canal to Eagle River MI.
* WHEN...Until 1 PM EST Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
349 PM EST Fri Dec 5 2025
LSZ244-060900-
/O.CAN.KMQT.SC.Y.0193.000000T0000Z-251205T2100Z/
/O.EXT.KMQT.SC.Y.0194.251205T2049Z-251206T2100Z/
Eagle River to Manitou Island MI-
349 PM EST Fri Dec 5 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 PM EST SATURDAY...
* WHAT...West to 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
349 PM EST Fri Dec 5 2025
LSZ245>247-060900-
/O.CON.KMQT.SC.Y.0194.251206T0400Z-251206T1800Z/
Manitou Island to Point Isabelle MI-
Point Isabelle to Lower Entrance of Portage Canal MI-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
349 PM EST Fri Dec 5 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING
TO 1 PM EST SATURDAY...
* WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt and
waves up to 3 ft expected.
* WHERE...Manitou Island to Point Isabelle MI, Point Isabelle to
Lower Entrance of Portage Canal MI and Lower Entrance of
Portage Canal To Huron Islands MI Including Keweenaw and Huron
Bays.
* WHEN...From 11 PM this evening to 1 PM EST Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
349 PM EST Fri Dec 5 2025
LSZ248-060900-
/O.EXT.KMQT.SC.Y.0194.251206T0600Z-251206T1800Z/
Huron Islands to Marquette MI-
349 PM EST Fri Dec 5 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 1 AM TO 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...From 1 AM to 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
349 PM EST Fri Dec 5 2025
LSZ249>251-060900-
/O.CON.KMQT.SC.Y.0194.251206T0800Z-251207T0000Z/
Marquette to Munising MI-Munising to Grand Marais MI-
Grand Marais to Whitefish Point MI-
349 PM EST Fri Dec 5 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 AM TO 7 PM EST
SATURDAY...
* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and
waves 7 to 10 ft expected.
* WHERE...Marquette to Munising MI, Munising to Grand Marais MI
and Grand Marais to Whitefish Point MI.
* WHEN...From 3 AM to 7 PM EST Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
TAP
URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
327 PM CST Fri Dec 5 2025
LSZ121-145>148-060930-
/O.CON.KDLH.SC.Y.0133.251206T0000Z-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-
327 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
327 PM CST Fri Dec 5 2025
LSZ140-141-060930-
/O.CON.KDLH.SC.Y.0133.251206T0300Z-251206T1500Z/
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
327 PM CST Fri Dec 5 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING
TO 9 AM CST SATURDAY...
* WHAT...Northwest winds 10 to 15 kt with gusts up to 25 kt and
waves 1 to 2 ft expected.
* WHERE...Grand Portage to Grand Marais MN and Grand Marais to
Taconite Harbor MN.
* WHEN...From 9 PM this evening to 9 AM CST Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
327 PM CST Fri Dec 5 2025
LSZ150-060930-
/O.CON.KDLH.SC.Y.0133.251206T0000Z-251206T1500Z/
Outer Apostle Islands Beyond 5 NM from Mainland-
327 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 1 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
203 PM EST Fri Dec 5 2025
LHZ345>348-060315-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
203 PM EST Fri Dec 5 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST
SATURDAY...
* WHAT...Highest gusts up to 25 kts from the west and highest
waves around 6 feet.
* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge
including Mackinac Island, St Ignace to False Detour Channel,
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island and Presque Isle Light to Sturgeon Pt MI
Including Thunder Bay National Marine Sanctuary.
* WHEN...Until 4 PM EST Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
203 PM EST Fri Dec 5 2025
LMZ323-341-342-344>346-060315-
/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-
203 PM EST Fri Dec 5 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST
SATURDAY...
* WHAT...Highest gusts up to 25 kts from the west and highest
waves around 7 feet.
* WHERE...Portions of Lake Michigan.
* 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
203 PM EST Fri Dec 5 2025
LSZ321-060315-
/O.CON.KAPX.SC.Y.0118.251206T0900Z-251206T2100Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
203 PM EST Fri Dec 5 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 AM TO 4 PM EST
SATURDAY...
* WHAT...Highest gusts up to 25 kts from the west and highest
waves around 9 feet.
* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point
Iroquois MI.
* WHEN...From 4 AM to 4 PM EST Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
