457
WHUS73 KMQT 172056
MWWMQT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
456 PM EDT Sun Aug 17 2025

LSZ242>244-172200-
/O.EXP.KMQT.SC.Y.0130.000000T0000Z-250817T2100Z/
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
Eagle River to Manitou Island MI-
456 PM EDT Sun Aug 17 2025

...SMALL CRAFT ADVISORY WILL EXPIRE AT 5 PM EDT THIS AFTERNOON...


$$

LSZ240-180400-
/O.CON.KMQT.SC.Y.0130.000000T0000Z-250818T0400Z/
Saxon Harbor WI to Black River MI-
456 PM EDT Sun Aug 17 2025 /356 PM CDT Sun Aug 17 2025/

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT
/11 PM CDT/ TONIGHT...

* WHAT...Northeast winds 10 to 20 kt with gusts up to 25 kt and
  waves 3 to 6 ft occurring.

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

* WHEN...Until midnight EDT /11 PM CDT/ tonight.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LSZ241-180400-
/O.CON.KMQT.SC.Y.0130.000000T0000Z-250818T0400Z/
Black River to Ontonagon MI-
456 PM EDT Sun Aug 17 2025 /356 PM CDT Sun Aug 17 2025/

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT
/11 PM CDT/ TONIGHT...

* WHAT...East winds 10 to 20 kt with gusts up to 25 kt and waves
  2 to 5 ft occurring.

* WHERE...Black River to Ontonagon MI.

* WHEN...Until midnight EDT /11 PM CDT/ tonight.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LSZ246>249-172200-
/O.CON.KMQT.SC.Y.0132.000000T0000Z-250817T2200Z/
Point Isabelle to Lower Entrance of Portage Canal MI-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-Huron Islands to Marquette MI-
Marquette to Munising MI-
456 PM EDT Sun Aug 17 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM EDT THIS
EVENING...

* WHAT...East winds 10 to 15 kt with gusts up to 25 kt and waves
  2 to 4 ft occurring.

* WHERE...Point Isabelle to Lower Entrance of Portage Canal MI,
  Lower Entrance of Portage Canal To Huron Islands MI Including
  Keweenaw and Huron Bays, Huron Islands to Marquette MI and
  Marquette to Munising MI.

* WHEN...Until 6 PM EDT 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.

&&

$$