Marine Weather Message
Issued by NWS Marquette, MI

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4
938
WHUS73 KMQT 161440
MWWMQT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
1040 AM EDT Wed Jul 16 2025

LSZ248-170245-
/O.EXB.KMQT.SC.Y.0123.250716T1440Z-250717T1200Z/
Huron Islands to Marquette MI-
1040 AM EDT Wed Jul 16 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THURSDAY...

* WHAT...North winds 10 to 15 kt with gusts up to 20 kt and
  waves 2 to 5 ft occurring.

* WHERE...Huron Islands to Marquette MI.

* WHEN...Until 8 AM EDT Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LSZ243-161800-
/O.EXA.KMQT.SC.Y.0123.000000T0000Z-250716T1800Z/
Upper Entrance of Portage Canal to Eagle River MI-
1040 AM EDT Wed Jul 16 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...

* WHAT...Northeast winds around 15 kt with gusts up to 20 kt and
  waves 3 to 4 ft occurring.

* WHERE...Upper Entrance of Portage Canal to Eagle River MI.

* WHEN...Until 2 PM EDT this afternoon.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LSZ244-162100-
/O.EXT.KMQT.SC.Y.0123.000000T0000Z-250716T2100Z/
Eagle River to Manitou Island MI-
1040 AM EDT Wed Jul 16 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 PM EDT THIS
AFTERNOON...

* WHAT...North to northeast winds 10 to 15 kt with gusts up to 20
  kt and waves 3 to 5 ft occurring.

* WHERE...Eagle River to Manitou Island MI.

* WHEN...Until 5 PM EDT this afternoon.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LSZ249-250-170245-
/O.EXT.KMQT.SC.Y.0124.250716T1800Z-250717T1600Z/
Marquette to Munising MI-Munising to Grand Marais MI-
1040 AM EDT Wed Jul 16 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 2 PM THIS AFTERNOON TO
NOON EDT THURSDAY...

* WHAT...North winds 10 to 20 kt with gusts up to 25 kt and
  waves 4 to 7 ft expected.

* WHERE...Marquette to Munising MI and Munising to Grand Marais
  MI.

* WHEN...From 2 PM this afternoon to noon EDT Thursday.

* 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>242-170000-
/O.CON.KMQT.SC.Y.0123.000000T0000Z-250717T0000Z/
Saxon Harbor WI to Black River MI-Black River to Ontonagon MI-
Ontonagon to Upper Entrance of Portage Canal MI-
1040 AM EDT Wed Jul 16 2025 /940 AM CDT Wed Jul 16 2025/

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT /7 PM
CDT/ THIS EVENING...

* WHAT...Northeast winds 10 to 20 kt with gusts up to 25 kt and
  waves 3 to 5 ft occurring.

* WHERE...Saxon Harbor WI to Black River MI, Black River to
  Ontonagon MI and Ontonagon to Upper Entrance of Portage Canal
  MI.

* WHEN...Until 8 PM EDT /7 PM CDT/ 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.

&&

$$

LSZ251-170245-
/O.CON.KMQT.SC.Y.0124.250717T0800Z-250717T1600Z/
Grand Marais to Whitefish Point MI-
1040 AM EDT Wed Jul 16 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 AM TO NOON EDT
THURSDAY...

* WHAT...North winds 15 to 20 kt with gusts up to 25 kt and
  waves 3 to 6 ft expected.

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

* WHEN...From 4 AM to noon EDT Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ221-248-250-170245-
/O.CON.KMQT.SC.Y.0123.250717T0000Z-250717T1800Z/
Green Bay North of line from Cedar River MI to Rock Island
Passage-Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
1040 AM EDT Wed Jul 16 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING
TO 2 PM EDT THURSDAY...

* WHAT...North winds 15 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, Seul Choix Point to Point Detour MI and 5NM
  East of a line from Fairport MI to Rock Island Passage.

* WHEN...From 8 PM this evening to 2 PM EDT Thursday.

* 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