Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
930 AM EST Fri Dec 5 2025
LSZ245>247-060230-
/O.CON.KMQT.SC.Y.0193.000000T0000Z-251205T1800Z/
/O.NEW.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-
930 AM EST Fri Dec 5 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...
...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 1 PM
EST SATURDAY...
* WHAT...For the first Small Craft Advisory, southwest winds 10
to 20 kt with gusts up to 25 kt and waves 1 to 3 ft occurring.
For the second Small Craft Advisory, northwest winds 15 to 25
kt with gusts up to 30 kt and waves 1 to 4 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...For the first Small Craft Advisory, until 1 PM EST this
afternoon. For the second Small Craft Advisory, 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
930 AM EST Fri Dec 5 2025
LSZ248-060230-
/O.CON.KMQT.SC.Y.0193.000000T0000Z-251205T1800Z/
/O.NEW.KMQT.SC.Y.0194.251206T0600Z-251207T0000Z/
Huron Islands to Marquette MI-
930 AM EST Fri Dec 5 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...
...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM TO 7 PM EST
SATURDAY...
* WHAT...For the first Small Craft Advisory, southwest winds 10
to 15 kt with gusts up to 25 kt and waves 1 to 2 ft occurring.
For the second Small Craft Advisory, northwest winds 15 to 25
kt with gusts up to 30 kt and waves 4 to 7 ft expected.
* WHERE...Huron Islands to Marquette MI.
* WHEN...For the first Small Craft Advisory, until 1 PM EST this
afternoon. For the second Small Craft Advisory, from 1 AM to 7
PM EST Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
930 AM EST Fri Dec 5 2025
LSZ240-060230-
/O.NEW.KMQT.SC.Y.0194.251206T0000Z-251206T1200Z/
Saxon Harbor WI to Black River MI-
930 AM EST Fri Dec 5 2025 /830 AM CST Fri Dec 5 2025/
...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM EST /6 PM CST/ THIS
EVENING TO 7 AM EST /6 AM CST/ SATURDAY...
* WHAT...Northwest winds 10 to 20 kt with gusts up to 25 kt and
waves 2 to 5 ft expected.
* WHERE...Saxon Harbor WI to Black River MI.
* WHEN...From 7 PM EST /6 PM CST/ this evening 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
930 AM EST Fri Dec 5 2025
LSZ250-251-060230-
/O.CON.KMQT.SC.Y.0193.000000T0000Z-251205T1800Z/
/O.NEW.KMQT.SC.Y.0194.251206T0800Z-251207T0000Z/
Munising to Grand Marais MI-Grand Marais to Whitefish Point MI-
930 AM EST Fri Dec 5 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...
...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM TO 7 PM EST
SATURDAY...
* WHAT...For the first Small Craft Advisory, southwest winds 10
to 20 kt with gusts up to 25 kt and waves 2 to 4 ft occurring.
For the second Small Craft Advisory, northwest winds 15 to 25
kt with gusts up to 35 kt and waves 6 to 11 ft expected.
* WHERE...Munising to Grand Marais MI and Grand Marais to
Whitefish Point MI.
* WHEN...For the first Small Craft Advisory, until 1 PM EST this
afternoon. For the second Small Craft Advisory, from 3 AM to 7
PM EST Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
930 AM EST Fri Dec 5 2025
LMZ248-250-052100-
/O.CON.KMQT.SC.Y.0193.000000T0000Z-251205T2100Z/
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
930 AM EST Fri Dec 5 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...
* WHAT...Southwest winds 10 to 20 kt with gusts up to 25 kt and
waves 4 to 7 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 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
930 AM EST Fri Dec 5 2025
LSZ241-242-060230-
/O.CON.KMQT.SC.Y.0193.000000T0000Z-251205T1800Z/
/O.NEW.KMQT.SC.Y.0194.251206T0000Z-251206T1800Z/
Black River to Ontonagon MI-
Ontonagon to Upper Entrance of Portage Canal MI-
930 AM EST Fri Dec 5 2025 /830 AM CST Fri Dec 5 2025/
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST /NOON
CST/ THIS AFTERNOON...
...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM EST /6 PM CST/ THIS
EVENING TO 1 PM EST /NOON CST/ SATURDAY...
* WHAT...For the first Small Craft Advisory, southwest winds 10 to
15 kt with gusts up to 25 kt and waves 2 to 5 ft occurring. For
the second Small Craft Advisory, northwest winds 15 to 25 kt
with gusts up to 30 kt and waves 5 to 8 ft expected.
* WHERE...Black River to Ontonagon MI and Ontonagon to Upper
Entrance of Portage Canal MI.
* WHEN...For the first Small Craft Advisory, until 1 PM EST
/noon CST/ this afternoon. For the second Small Craft
Advisory, from 7 PM EST /6 PM CST/ this evening to 1 PM EST
/noon CST/ Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
930 AM EST Fri Dec 5 2025
LSZ244-060230-
/O.CON.KMQT.SC.Y.0193.000000T0000Z-251205T2100Z/
/O.NEW.KMQT.SC.Y.0194.251206T0000Z-251207T0000Z/
Eagle River to Manitou Island MI-
930 AM EST Fri Dec 5 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...
...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 7 PM
EST SATURDAY...
* WHAT...For the first Small Craft Advisory, west winds 10 to 15
kt with gusts up to 20 kt and waves 4 to 7 ft occurring. For
the second Small Craft Advisory, northwest winds 15 to 25 kt
with gusts up to 35 kt and waves 6 to 9 ft expected.
* WHERE...Eagle River to Manitou Island MI.
* WHEN...For the first Small Craft Advisory, until 4 PM EST this
afternoon. For the second Small Craft Advisory, from 7 PM this
evening 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
930 AM EST Fri Dec 5 2025
LSZ249-060230-
/O.NEW.KMQT.SC.Y.0194.251206T0800Z-251207T0000Z/
Marquette to Munising MI-
930 AM EST Fri Dec 5 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM TO 7 PM EST
SATURDAY...
* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and
waves 7 to 10 ft expected.
* WHERE...Marquette to Munising MI.
* WHEN...From 3 AM to 7 PM EST Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
930 AM EST Fri Dec 5 2025
LSZ243-060230-
/O.CON.KMQT.SC.Y.0193.000000T0000Z-251205T2100Z/
/O.NEW.KMQT.SC.Y.0194.251206T0000Z-251206T1800Z/
Upper Entrance of Portage Canal to Eagle River MI-
930 AM EST Fri Dec 5 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...
...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 1 PM
EST SATURDAY...
* WHAT...For the first Small Craft Advisory, southwest winds 10
to 15 kt with gusts up to 20 kt and waves 4 to 7 ft occurring.
For the second Small Craft Advisory, northwest winds 15 to 25
kt with gusts up to 35 kt and waves 5 to 8 ft expected.
* WHERE...Upper Entrance of Portage Canal to Eagle River MI.
* WHEN...For the first Small Craft Advisory, until 4 PM EST this
afternoon. For the second Small Craft Advisory, from 7 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1111 AM EST Fri Dec 5 2025
LHZ345-060015-
/O.EXP.KAPX.GL.W.0032.000000T0000Z-251205T1600Z/
/O.EXB.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
1111 AM EST Fri Dec 5 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST SATURDAY...
...GALE WARNING HAS EXPIRED...
* WHAT...Highest gusts up to 30 kts from the west and highest
waves around 5 feet.
* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge
including Mackinac Island.
* WHEN...Until 4 PM EST Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1111 AM EST Fri Dec 5 2025
LSZ321-060015-
/O.EXP.KAPX.GL.W.0032.000000T0000Z-251205T1600Z/
/O.EXB.KAPX.SC.Y.0118.251206T0900Z-251206T2100Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
1111 AM EST Fri Dec 5 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM TO 4 PM EST
SATURDAY...
...GALE WARNING HAS EXPIRED...
* WHAT...Highest gusts up to 30 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 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1111 AM EST Fri Dec 5 2025
LMZ323-341-342-344>346-060015-
/O.EXP.KAPX.GL.W.0032.000000T0000Z-251205T1600Z/
/O.EXB.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
1111 AM EST Fri Dec 5 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST SATURDAY...
...GALE WARNING HAS EXPIRED...
* WHAT...Highest gusts up to 30 kts from the west and highest
waves around 9 feet.
* WHERE...Portions of Lake Michigan.
* WHEN...Until 4 PM EST Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1111 AM EST Fri Dec 5 2025
LHZ346>348-060015-
/O.EXT.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
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-
1111 AM EST Fri Dec 5 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 PM EST SATURDAY...
* WHAT...Highest gusts up to 30 kts from the west and highest
waves around 6 feet.
* WHERE...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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
907 AM CST Fri Dec 5 2025
LSZ121-145>148-060315-
/O.NEW.KDLH.SC.Y.0133.251206T0000Z-251206T1200Z/
Chequamegon Bay-Bayfield to Oak Point WI-
Duluth MN to Port Wing WI-Port Wing to Sand Island WI-
Sand Island to Bayfield WI-Oak Point to Saxon Harbor WI-
907 AM CST Fri Dec 5 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 AM
CST SATURDAY...
* WHAT...Northwest winds 10 to 20 kt with gusts up to 25 kt and
waves 1 to 4 ft expected.
* WHERE...Chequamegon Bay-Bayfield to Oak Point WI, Duluth MN to
Port Wing WI, Port Wing to Sand Island WI, Sand Island to
Bayfield WI and Oak Point to Saxon Harbor WI.
* WHEN...From 6 PM this evening to 6 AM CST Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
907 AM CST Fri Dec 5 2025
LSZ140-141-060315-
/O.NEW.KDLH.SC.Y.0133.251206T0300Z-251206T1500Z/
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
907 AM CST Fri Dec 5 2025
...SMALL CRAFT ADVISORY 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
907 AM CST Fri Dec 5 2025
LSZ150-060315-
/O.NEW.KDLH.SC.Y.0133.251206T0000Z-251206T1500Z/
Outer Apostle Islands Beyond 5 NM from Mainland-
907 AM CST Fri Dec 5 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 9 AM
CST SATURDAY...
* WHAT...Northwest winds 15 to 20 kt with gusts up to 25 kt and
waves 2 to 5 ft expected.
* WHERE...Outer Apostle Islands Beyond 5 NM from Mainland.
* WHEN...From 6 PM this evening to 9 AM CST Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
552 AM CST Fri Dec 5 2025
LMZ541-052000-
/O.EXP.KGRB.GL.W.0018.000000T0000Z-251205T1200Z/
/O.CON.KGRB.SC.Y.0093.251205T1200Z-251205T2100Z/
Rock Island Passage to Sturgeon Bay WI-
552 AM CST Fri Dec 5 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST THIS
AFTERNOON...
...GALE WARNING WILL EXPIRE AT 6 AM CST EARLY THIS MORNING...
* WHAT...Southwest winds 15 to 25 kts with gusts up to 30 kts
diminishing to 10 to 20 kts. Waves 4 to 7 ft subsiding to 2 to
4 ft this afternoon.
* WHERE...Lake Michigan nearshore waters from Washington Island
to Sturgeon Bay.
* WHEN...Until 3 PM CST 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.
&&
$$
