Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
319 PM EDT Fri Oct 9 2026
LMZ248-250-100730-
/O.CON.KMQT.SC.Y.0152.261010T0900Z-261011T1800Z/
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
319 PM EDT Fri Oct 9 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 AM SATURDAY TO
2 PM EDT SUNDAY...
* WHAT...South winds 15 to 25 kt with gusts up to 35 kt and
waves 6 to 9 ft expected.
* WHERE...Seul Choix Point to Point Detour MI and 5NM East of a
line from Fairport MI to Rock Island Passage.
* WHEN...From 5 AM Saturday to 2 PM EDT Sunday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
319 PM EDT Fri Oct 9 2026
LSZ248>251-100730-
/O.CON.KMQT.SC.Y.0152.261010T1000Z-261011T1800Z/
Huron Islands to Marquette MI-Marquette to Munising MI-
Munising to Grand Marais MI-Grand Marais to Whitefish Point MI-
319 PM EDT Fri Oct 9 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 AM SATURDAY TO
2 PM EDT SUNDAY...
* WHAT...South winds 15 to 25 kt with gusts up to 35 kt and
waves 1 to 4 ft expected.
* WHERE...Huron Islands to Marquette MI, Marquette to Munising
MI, Munising to Grand Marais MI and Grand Marais to Whitefish
Point MI.
* WHEN...From 6 AM Saturday to 2 PM EDT Sunday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
319 PM EDT Fri Oct 9 2026
LSZ243>247-100730-
/O.EXT.KMQT.SC.Y.0152.261010T0300Z-261011T1500Z/
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-
319 PM EDT Fri Oct 9 2026
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 11 PM THIS EVENING TO
11 AM EDT SUNDAY...
* WHAT...South winds 10 to 20 kt with gusts up to 35 kt and
waves 2 to 5 ft expected.
* WHERE...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 and Lower Entrance of Portage Canal To Huron Islands MI
Including Keweenaw and Huron Bays.
* WHEN...From 11 PM this evening to 11 AM EDT Sunday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
319 PM EDT Fri Oct 9 2026
LSZ240-100730-
/O.CON.KMQT.SC.Y.0152.261010T1200Z-261011T1200Z/
Saxon Harbor WI to Black River MI-
319 PM EDT Fri Oct 9 2026 /219 PM CDT Fri Oct 9 2026/
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM EDT /7 AM
CDT/ SATURDAY TO 8 AM EDT /7 AM CDT/ SUNDAY...
* WHAT...South winds 10 to 20 kt with gusts up to 35 kt and
waves 1 to 3 ft expected.
* WHERE...Saxon Harbor WI to Black River MI.
* WHEN...From 8 AM EDT /7 AM CDT/ Saturday to 8 AM EDT /7 AM
CDT/ Sunday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
319 PM EDT Fri Oct 9 2026
LSZ241-242-100730-
/O.CON.KMQT.SC.Y.0152.261010T1200Z-261011T1200Z/
Black River to Ontonagon MI-
Ontonagon to Upper Entrance of Portage Canal MI-
319 PM EDT Fri Oct 9 2026 /219 PM CDT Fri Oct 9 2026/
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM EDT /7 AM
CDT/ SATURDAY TO 8 AM EDT /7 AM CDT/ SUNDAY...
* WHAT...South winds 10 to 20 kt with gusts up to 30 kt and
waves 1 to 3 ft expected.
* WHERE...Black River to Ontonagon MI and Ontonagon to Upper
Entrance of Portage Canal MI.
* WHEN...From 8 AM EDT /7 AM CDT/ Saturday to 8 AM EDT /7 AM
CDT/ Sunday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
319 PM EDT Fri Oct 9 2026
LMZ221-100730-
/O.CON.KMQT.SC.Y.0152.261010T1500Z-261011T1200Z/
Green Bay North of line from Cedar River MI to Rock Island
Passage-
319 PM EDT Fri Oct 9 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM SATURDAY TO
8 AM EDT SUNDAY...
* WHAT...South winds 15 to 25 kt with gusts up to 35 kt and
waves 2 to 5 ft expected.
* WHERE...Green Bay North of line from Cedar River MI to Rock
Island Passage.
* WHEN...From 11 AM Saturday to 8 AM EDT Sunday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
715 PM CDT Fri Oct 9 2026
LMZ521-522-100815-
/O.CON.KGRB.SC.Y.0089.261010T1500Z-261011T1200Z/
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-
715 PM CDT Fri Oct 9 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 AM SATURDAY TO
7 AM CDT SUNDAY...
* WHAT...South winds 10 to 20 kt with gusts up to 30 kt and
waves 1 to 4 ft expected.
* WHERE...Central and Southern Bay of Green Bay.
* WHEN...From 10 AM Saturday to 7 AM CDT Sunday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
715 PM CDT Fri Oct 9 2026
LMZ541>543-100815-
/O.CON.KGRB.SC.Y.0089.261010T0600Z-261011T1800Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
715 PM CDT Fri Oct 9 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 AM SATURDAY TO
1 PM CDT SUNDAY...
* WHAT...South winds 15 to 25 kt with gusts up to 30 kt and
waves 6 to 9 ft expected.
* WHERE...Lake Michigan nearshore waters from Washington Island
to Sheboygan.
* WHEN...From 1 AM Saturday to 1 PM CDT Sunday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
Kurimski
URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
1255 PM CDT Fri Oct 9 2026
LSZ121-143>148-150-100300-
/O.CON.KDLH.SC.Y.0118.261009T2000Z-261010T0300Z/
Chequamegon Bay-Bayfield to Oak Point WI-
Silver Bay Harbor to Two Harbors MN-Two Harbors to Duluth MN-
Duluth MN to Port Wing WI-Port Wing to Sand Island WI-
Sand Island to Bayfield WI-Oak Point to Saxon Harbor WI-
Outer Apostle Islands Beyond 5 NM from Mainland-
1255 PM CDT Fri Oct 9 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT THIS
EVENING...
* WHAT...East winds 10 to 15 kt with gusts up to 25 kt and waves 1
to 4 ft expected.
* WHERE...Portions of Lake Superior.
* WHEN...Until 10 PM CDT this evening.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
1255 PM CDT Fri Oct 9 2026
LSZ141-142-100900-
/O.EXT.KDLH.SC.Y.0118.261009T2200Z-261010T1000Z/
Grand Marais to Taconite Harbor MN-
Taconite Harbor to Silver Bay Harbor MN-
1255 PM CDT Fri Oct 9 2026
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 5 PM THIS AFTERNOON TO
5 AM CDT SATURDAY...
* WHAT...East winds 10 to 15 kt with gusts up to 25 kt and waves
2 to 4 ft expected.
* WHERE...Grand Marais to Taconite Harbor MN and Taconite Harbor
to Silver Bay Harbor MN.
* WHEN...From 5 PM this afternoon to 5 AM CDT Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
1255 PM CDT Fri Oct 9 2026
LSZ140-100900-
/O.EXT.KDLH.SC.Y.0118.261010T0000Z-261010T1500Z/
Grand Portage to Grand Marais MN-
1255 PM CDT Fri Oct 9 2026
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 7 PM THIS EVENING TO
10 AM CDT SATURDAY...
* WHAT...East winds 10 to 20 kt with gusts up to 30 kt and waves
2 to 5 ft expected.
* WHERE...Grand Portage to Grand Marais MN.
* WHEN...From 7 PM this evening to 10 AM CDT Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
117 PM EDT Fri Oct 9 2026
LSZ321-322-101000-
/O.NEW.KAPX.SC.Y.0090.261010T0900Z-261011T1000Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
117 PM EDT Fri Oct 9 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM SATURDAY TO 6 AM EDT
SUNDAY...
* WHAT...Highest gusts up to 30 kts from the southeast and
highest waves around 6 feet expected.
* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point
Iroquois MI and St. Marys River Point Iroquois to E.
Potagannissing Bay.
* WHEN...From 5 AM Saturday to 6 AM EDT Sunday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
117 PM EDT Fri Oct 9 2026
LMZ323-341-342-344>346-101000-
/O.NEW.KAPX.SC.Y.0090.261010T0900Z-261011T1000Z/
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-
117 PM EDT Fri Oct 9 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM SATURDAY TO 6 AM EDT
SUNDAY...
* WHAT...Highest gusts up to 30 kts from the south and highest
waves around 7 feet expected.
* WHERE...Portions of Lake Michigan.
* WHEN...From 5 AM Saturday to 6 AM EDT Sunday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
117 PM EDT Fri Oct 9 2026
LHZ345>349-101000-
/O.NEW.KAPX.SC.Y.0090.261010T0900Z-261011T1000Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
117 PM EDT Fri Oct 9 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM SATURDAY TO 6 AM EDT
SUNDAY...
* WHAT...Highest gusts up to 30 kts from the south and highest
waves around 7 feet expected.
* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge
including Mackinac Island, St Ignace to False Detour Channel,
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island, Presque Isle Light to Sturgeon Pt MI
Including Thunder Bay National Marine Sanctuary and Sturgeon
Pt to Alabaster MI.
* WHEN...From 5 AM Saturday to 6 AM EDT Sunday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
