468
WHUS73 KMQT 160745
MWWMQT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
345 AM EDT Thu Oct 16 2025

LMZ221-161945-
/O.NEW.KMQT.SC.Y.0162.251017T1200Z-251018T0000Z/
Green Bay North of line from Cedar River MI to Rock Island
Passage-
345 AM EDT Thu Oct 16 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM TO 8 PM EDT FRIDAY...

* WHAT...South winds 15 to 25 kt with gusts up to 30 kt and
  waves 2 to 5 ft expected.

* WHERE...Green Bay North of line from Cedar River MI to Rock
  Island Passage.

* WHEN...From 8 AM to 8 PM EDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ240-161945-
/O.NEW.KMQT.SC.Y.0162.251017T0000Z-251018T0000Z/
Saxon Harbor WI to Black River MI-
345 AM EDT Thu Oct 16 2025 /245 AM CDT Thu Oct 16 2025/

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT /7 PM CDT/ THIS
EVENING TO 8 PM EDT /7 PM CDT/ FRIDAY...

* WHAT...South winds 10 to 20 kt with a few gale force gusts up to
  35 kt possible from time to time and waves 1 to 3 ft expected.

* WHERE...Saxon Harbor WI to Black River MI.

* WHEN...From 8 PM EDT /7 PM CDT/ this evening to 8 PM EDT /7 PM
  CDT/ Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ241>243-161945-
/O.NEW.KMQT.SC.Y.0162.251017T1200Z-251018T0000Z/
Black River to Ontonagon MI-
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
345 AM EDT Thu Oct 16 2025 /245 AM CDT Thu Oct 16 2025/

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT /7 AM CDT/ TO
8 PM EDT /7 PM CDT/ FRIDAY...

* WHAT...South winds 10 to 15 kt with a few gale force gusts up to
  35 kt possible from time to time and waves 1 to 2 ft expected.

* WHERE...Black River to Ontonagon MI, Ontonagon to Upper
  Entrance of Portage Canal MI and Upper Entrance of Portage
  Canal to Eagle River MI.

* WHEN...From 8 AM EDT /7 AM CDT/ to 8 PM EDT /7 PM CDT/ Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ244-245-161945-
/O.NEW.KMQT.SC.Y.0162.251017T0000Z-251017T1200Z/
Eagle River to Manitou Island MI-
Manitou Island to Point Isabelle MI-
345 AM EDT Thu Oct 16 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 8 AM
EDT FRIDAY...

* WHAT...South winds 10 to 20 kt with a few gale force gusts up to
  35 kt possible from time to time and waves 2 to 5 ft expected.

* WHERE...Eagle River to Manitou Island MI and Manitou Island to
  Point Isabelle MI.

* WHEN...From 8 PM this evening to 8 AM EDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ247-161945-
/O.NEW.KMQT.SC.Y.0162.251017T0900Z-251018T0000Z/
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
345 AM EDT Thu Oct 16 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM TO 8 PM EDT FRIDAY...

* WHAT...South winds 10 to 15 kt with a few gale force gusts up to
  35 kt possible from time to time and waves 1 foot or less
  expected.

* WHERE...Lower Entrance of Portage Canal To Huron Islands MI
  Including Keweenaw and Huron Bays.

* WHEN...From 5 AM to 8 PM EDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ248-161945-
/O.NEW.KMQT.SC.Y.0162.251017T0900Z-251017T1800Z/
Huron Islands to Marquette MI-
345 AM EDT Thu Oct 16 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM TO 2 PM EDT FRIDAY...

* WHAT...South winds 10 to 15 kt with a few gale force gusts up to
  35 kt possible from time to time and waves 1 to 2 ft expected.

* WHERE...Huron Islands to Marquette MI.

* WHEN...From 5 AM to 2 PM EDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ249>251-161945-
/O.NEW.KMQT.SC.Y.0162.251017T0900Z-251018T0000Z/
Marquette to Munising MI-Munising to Grand Marais MI-
Grand Marais to Whitefish Point MI-
345 AM EDT Thu Oct 16 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM TO 8 PM EDT FRIDAY...

* WHAT...South winds 15 to 20 kt with a few gale force gusts up to
  35 kt possible from time to time and waves 1 to 3 ft expected.

* WHERE...Marquette to Munising MI, Munising to Grand Marais MI
  and Grand Marais to Whitefish Point MI.

* WHEN...From 5 AM to 8 PM EDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LMZ248-250-161945-
/O.NEW.KMQT.SC.Y.0162.251017T0900Z-251018T0000Z/
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
345 AM EDT Thu Oct 16 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM TO 8 PM EDT FRIDAY...

* WHAT...South winds 15 to 25 kt with gusts up to 30 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 to 8 PM EDT Friday.

* 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