519
WHUS73 KMQT 161416
MWWMQT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
1016 AM EDT Sat Aug 16 2025

LSZ240-170230-
/O.CON.KMQT.SC.Y.0130.250817T1000Z-250818T0000Z/
Saxon Harbor WI to Black River MI-
1016 AM EDT Sat Aug 16 2025 /916 AM CDT Sat Aug 16 2025/

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 AM EDT /5 AM
CDT/ TO 8 PM EDT /7 PM CDT/ SUNDAY...

* WHAT...East winds 10 to 15 kt with gusts up to 20 kt and waves
  3 to 5 ft expected.

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

* WHEN...From 6 AM EDT /5 AM CDT/ to 8 PM EDT /7 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.

&&

$$

LSZ241-170230-
/O.CON.KMQT.SC.Y.0130.250817T0800Z-250818T0000Z/
Black River to Ontonagon MI-
1016 AM EDT Sat Aug 16 2025 /916 AM CDT Sat Aug 16 2025/

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 AM EDT /3 AM
CDT/ TO 8 PM EDT /7 PM CDT/ SUNDAY...

* WHAT...East winds 10 to 20 kt and waves 3 to 5 ft expected.

* WHERE...Black River to Ontonagon MI.

* WHEN...From 4 AM EDT /3 AM CDT/ to 8 PM EDT /7 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.

&&

$$

LSZ242>244-249-170230-
/O.CON.KMQT.SC.Y.0130.250817T0500Z-250817T2200Z/
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
Eagle River to Manitou Island MI-Marquette to Munising MI-
1016 AM EDT Sat Aug 16 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 AM TO 6 PM EDT
SUNDAY...

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

* WHERE...Ontonagon to Upper Entrance of Portage Canal MI, Upper
  Entrance of Portage Canal to Eagle River MI, Eagle River to
  Manitou Island MI and Marquette to Munising MI.

* WHEN...From 1 AM to 6 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.

&&

$$

LSZ245-250-170230-
/O.CON.KMQT.SC.Y.0130.250817T0600Z-250817T2000Z/
Manitou Island to Point Isabelle MI-Munising to Grand Marais MI-
1016 AM EDT Sat Aug 16 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 AM TO 4 PM EDT
SUNDAY...

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

* WHERE...Manitou Island to Point Isabelle MI and Munising to
  Grand Marais MI.

* WHEN...From 2 AM to 4 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.

&&

$$

LSZ246>248-170230-
/O.CON.KMQT.SC.Y.0130.250817T0800Z-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-
1016 AM EDT Sat Aug 16 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 AM TO 6 PM EDT
SUNDAY...

* WHAT...Northeast winds 10 to 15 kt with gusts up to 20 kt and
  waves 3 to 6 ft expected.

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

* WHEN...From 4 AM to 6 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.

&&

$$

LSZ251-170230-
/O.CON.KMQT.SC.Y.0130.250817T0600Z-250817T1800Z/
Grand Marais to Whitefish Point MI-
1016 AM EDT Sat Aug 16 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 AM TO 2 PM EDT
SUNDAY...

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

* WHERE...Grand Marais to Whitefish Point MI.

* WHEN...From 2 AM 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.

&&

$$