Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
351 AM EDT Mon Sep 8 2025
LMZ221-082000-
/O.EXT.KMQT.SC.Y.0145.250908T2100Z-250910T0300Z/
Green Bay North of line from Cedar River MI to Rock Island
Passage-
351 AM EDT Mon Sep 8 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 5 PM THIS AFTERNOON TO
11 PM EDT TUESDAY...
* WHAT...South to southwest winds 10 to 20 kt with gusts up to 30
kt and waves 1 to 4 ft expected.
* WHERE...Green Bay North of line from Cedar River MI to Rock
Island Passage.
* WHEN...From 5 PM this afternoon to 11 PM EDT Tuesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
351 AM EDT Mon Sep 8 2025
LMZ248-250-082000-
/O.EXT.KMQT.SC.Y.0145.250908T2100Z-250910T0300Z/
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
351 AM EDT Mon Sep 8 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 5 PM THIS AFTERNOON TO
11 PM EDT TUESDAY...
* WHAT...South to southwest winds 15 to 25 kt with gusts up to 30
kt and waves 4 to 7 ft expected.
* WHERE...Seul Choix Point to Point Detour MI and 5NM East of a
line from Fairport MI to Rock Island Passage.
* WHEN...From 5 PM this afternoon to 11 PM EDT Tuesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
351 AM EDT Mon Sep 8 2025
LSZ240-082000-
/O.EXB.KMQT.SC.Y.0145.250909T0300Z-250909T1600Z/
Saxon Harbor WI to Black River MI-
351 AM EDT Mon Sep 8 2025 /251 AM CDT Mon Sep 8 2025/
...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM EDT /10 PM CDT/ THIS
EVENING TO NOON EDT /11 AM CDT/ TUESDAY...
* WHAT...South to southwest winds 10 to 20 kt with gusts up to 30
kt and waves around 1 foot expected. A few gale force gusts up
to 35 kt possible.
* WHERE...Saxon Harbor WI to Black River MI.
* WHEN...From 11 PM EDT /10 PM CDT/ this evening to noon EDT /11
AM CDT/ Tuesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
351 AM EDT Mon Sep 8 2025
LSZ241-082000-
/O.EXB.KMQT.SC.Y.0145.250909T0600Z-250909T1600Z/
Black River to Ontonagon MI-
351 AM EDT Mon Sep 8 2025 /251 AM CDT Mon Sep 8 2025/
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT /1 AM CDT/ TO
NOON EDT /11 AM CDT/ TUESDAY...
* WHAT...South to southwest winds 10 to 15 kt with gusts up to 25
kt and waves 1 foot or less expected. A few gale force gusts up
to 35 kt possible.
* WHERE...Black River to Ontonagon MI.
* WHEN...From 2 AM EDT /1 AM CDT/ to noon EDT /11 AM CDT/
Tuesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
351 AM EDT Mon Sep 8 2025
LSZ242-243-082000-
/O.EXB.KMQT.SC.Y.0145.250909T0400Z-250909T1700Z/
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
351 AM EDT Mon Sep 8 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 1 PM
EDT TUESDAY...
* WHAT...South to southwest winds 10 to 20 kt with gusts up to 30
kt and waves 1 to 2 ft expected.
* WHERE...Ontonagon to Upper Entrance of Portage Canal MI and
Upper Entrance of Portage Canal to Eagle River MI.
* WHEN...From midnight tonight to 1 PM EDT Tuesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
351 AM EDT Mon Sep 8 2025
LSZ244-082000-
/O.EXB.KMQT.SC.Y.0145.250909T0600Z-250909T1600Z/
Eagle River to Manitou Island MI-
351 AM EDT Mon Sep 8 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM TO NOON EDT TUESDAY...
* WHAT...South to southwest winds 10 to 15 kt with gusts up to 25
kt and waves 1 to 2 ft expected.
* WHERE...Eagle River to Manitou Island MI.
* WHEN...From 2 AM to noon EDT Tuesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
351 AM EDT Mon Sep 8 2025
LSZ245-082000-
/O.EXB.KMQT.SC.Y.0145.250909T0800Z-250909T1600Z/
Manitou Island to Point Isabelle MI-
351 AM EDT Mon Sep 8 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM TO NOON EDT TUESDAY...
* WHAT...South to southwest winds 10 to 15 kt with gusts up to 25
kt and waves 1 to 3 ft expected.
* WHERE...Manitou Island to Point Isabelle MI.
* WHEN...From 4 AM to noon EDT Tuesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
351 AM EDT Mon Sep 8 2025
LSZ246-082000-
/O.EXB.KMQT.SC.Y.0145.250909T0600Z-250909T1700Z/
Point Isabelle to Lower Entrance of Portage Canal MI-
351 AM EDT Mon Sep 8 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM TO 1 PM EDT TUESDAY...
* WHAT...South to southwest winds 10 to 15 kt with gusts up to 30
kt and waves 1 to 2 ft expected.
* WHERE...Point Isabelle to Lower Entrance of Portage Canal MI.
* WHEN...From 2 AM to 1 PM EDT Tuesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
351 AM EDT Mon Sep 8 2025
LSZ247-082000-
/O.EXB.KMQT.SC.Y.0145.250909T0300Z-250909T1800Z/
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
351 AM EDT Mon Sep 8 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 2 PM
EDT TUESDAY...
* WHAT...South to southwest winds 10 to 15 kt with gusts up to 30
kt and waves 1 foot or less expected. A few gale force gusts up
to 35 kt possible.
* WHERE...Lower Entrance of Portage Canal To Huron Islands MI
Including Keweenaw and Huron Bays.
* WHEN...From 11 PM this evening to 2 PM EDT Tuesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
352 AM CDT Mon Sep 8 2025
LSZ121-148-150-082100-
/O.NEW.KDLH.SC.Y.0095.250909T0300Z-250909T1500Z/
Chequamegon Bay-Bayfield to Oak Point WI-
Oak Point to Saxon Harbor WI-
Outer Apostle Islands Beyond 5 NM from Mainland-
352 AM CDT Mon Sep 8 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO
10 AM CDT TUESDAY...
* WHAT...South winds 10 to 15 kt with gusts up to 25 kt and
waves 1 to 3 ft expected.
* WHERE...Chequamegon Bay-Bayfield to Oak Point WI, Oak Point to
Saxon Harbor WI and Outer Apostle Islands Beyond 5 NM from
Mainland.
* WHEN...From 10 PM this evening to 10 AM CDT Tuesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.
&&
$$
Huyck
URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
347 AM CDT Mon Sep 8 2025
LMZ521-522-081700-
/O.CON.KGRB.SC.Y.0072.250909T0000Z-250909T1800Z/
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-
347 AM CDT Mon Sep 8 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING
TO 1 PM CDT TUESDAY...
* WHAT...South to southwest winds 10 to 20 kt with gusts up to 25
kt and waves 2 to 4 ft expected, locally higher north of
Chambers Island.
* WHERE...Central and Southern Bay of Green Bay.
* WHEN...From 7 PM this evening to 1 PM CDT Tuesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
347 AM CDT Mon Sep 8 2025
LMZ541-081700-
/O.EXT.KGRB.SC.Y.0072.250908T2100Z-250910T0300Z/
Rock Island Passage to Sturgeon Bay WI-
347 AM CDT Mon Sep 8 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 4 PM THIS AFTERNOON TO
10 PM CDT TUESDAY...
* WHAT...South to southwest winds 10 to 20 kt with gusts up to
around 25 kt and waves 3 to 7 ft expected.
* WHERE...Lake Michigan nearshore waters from Washington Island
to Sturgeon Bay.
* WHEN...From 4 PM this afternoon to 10 PM CDT Tuesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
