WWA Summary for Dense Fog Advisory Issued by MQT

Dense Fog Advisory

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
953 PM EDT Sat Jul 5 2025

LSZ162-240>242-263-264-060600-
/O.CON.KMQT.MF.Y.0017.000000T0000Z-250706T0600Z/
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-Saxon Harbor WI to Black River MI-
Black River to Ontonagon MI-
Ontonagon to Upper Entrance of Portage Canal MI-
Lake Superior from Saxon Harbor WI to Upper Entrance to Portage
Canal MI 5NM off shore to the US/Canadian border including Isle
Royale National Park-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
953 PM EDT Sat Jul 5 2025 /853 PM CDT Sat Jul 5 2025/

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT /1 AM CDT/
SUNDAY...

* WHAT...Dense fog will reduce visibility to less than one
  nautical mile.

* WHERE...Portions of Western Lake Superior.

* WHEN...Until 2 AM EDT /1 AM CDT/ Sunday.

* IMPACTS...Low visibility will make navigation difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must navigate, proceed with caution. Use proper fog
signals. Make sure all running lights are on. Remember to use
your radar and compass.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
953 PM EDT Sat Jul 5 2025

LSZ247-265>267-060900-
/O.CON.KMQT.MF.Y.0017.000000T0000Z-250706T0900Z/
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
Lake Superior East of a line from Manitou Island to Marquette MI
and West of a line from Grand Marais MI to the US/Canadian Border
Beyond 5NM from shore-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
953 PM EDT Sat Jul 5 2025

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 5 AM EDT SUNDAY...

* WHAT...Dense fog will reduce visibility to less than one
  nautical mile.

* WHERE...Lower Entrance of Portage Canal To Huron Islands MI
  Including Keweenaw and Huron Bays, Lake Superior West of Line
  from Manitou Island to Marquette MI Beyond 5NM from shore,
  Lake Superior East of a line from Manitou Island to Marquette
  MI and West of a line from Grand Marais MI to the US/Canadian
  Border Beyond 5NM from shore and Lake Superior from Grand
  Marais MI to Whitefish Point MI 5NM off shore to the
  US/Canadian border.

* WHEN...Until 5 AM EDT Sunday.

* IMPACTS...Low visibility will make navigation difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must navigate, proceed with caution. Use proper fog
signals. Make sure all running lights are on. Remember to use
your radar and compass.

&&

$$

GS

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
953 PM EDT Sat Jul 5 2025

LSZ246-061400-
/O.CON.KMQT.MF.Y.0017.000000T0000Z-250706T0900Z/
/O.EXB.KMQT.SC.Y.0122.250706T0900Z-250706T2000Z/
Point Isabelle to Lower Entrance of Portage Canal MI-
953 PM EDT Sat Jul 5 2025

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 5 AM EDT SUNDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM TO 4 PM EDT SUNDAY...

* WHAT...For the Dense Fog Advisory, dense fog will reduce
  visibility to less than one nautical mile. For the Small Craft
  Advisory, northeast winds 10 to 15 kt with gusts up to 25 kt
  and waves 1 to 2 ft expected.

* WHERE...Point Isabelle to Lower Entrance of Portage Canal MI.

* WHEN...For the Dense Fog Advisory, until 5 AM EDT Sunday. For
  the Small Craft Advisory, from 5 AM to 4 PM EDT Sunday.

* IMPACTS...Conditions will be hazardous to small craft. Low
  visibility will make navigation difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

If you must navigate, proceed with caution. Use proper fog
signals. Make sure all running lights are on. Remember to use
your radar and compass.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
953 PM EDT Sat Jul 5 2025

LSZ243-244-061400-
/O.CON.KMQT.MF.Y.0017.000000T0000Z-250706T0600Z/
/O.EXT.KMQT.SC.Y.0122.250706T0900Z-250706T2000Z/
Upper Entrance of Portage Canal to Eagle River MI-
Eagle River to Manitou Island MI-
953 PM EDT Sat Jul 5 2025

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT SUNDAY...
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 5 AM TO 4 PM EDT
SUNDAY...

* WHAT...For the Dense Fog Advisory, dense fog will reduce
  visibility to less than one nautical mile. For the Small Craft
  Advisory, north winds 10 to 20 kt with gusts up to 25 kt and
  waves 2 to 5 ft expected.

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

* WHEN...For the Dense Fog Advisory, until 2 AM EDT Sunday. For
  the Small Craft Advisory, from 5 AM to 4 PM EDT Sunday.

* IMPACTS...Conditions will be hazardous to small craft. Low
  visibility will make navigation difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

If you must navigate, proceed with caution. Use proper fog
signals. Make sure all running lights are on. Remember to use
your radar and compass.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
953 PM EDT Sat Jul 5 2025

LSZ245-061400-
/O.CON.KMQT.MF.Y.0017.000000T0000Z-250706T0900Z/
/O.EXT.KMQT.SC.Y.0122.250706T0900Z-250706T2000Z/
Manitou Island to Point Isabelle MI-
953 PM EDT Sat Jul 5 2025

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 5 AM EDT SUNDAY...
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 5 AM TO 4 PM EDT
SUNDAY...

* WHAT...For the Dense Fog Advisory, dense fog will reduce
  visibility to less than one nautical mile. For the Small Craft
  Advisory, north winds 10 to 20 kt with gusts up to 25 kt and
  waves 1 to 4 ft expected.

* WHERE...Manitou Island to Point Isabelle MI.

* WHEN...For the Dense Fog Advisory, until 5 AM EDT Sunday. For
  the Small Craft Advisory, from 5 AM to 4 PM EDT Sunday.

* IMPACTS...Conditions will be hazardous to small craft. Low
  visibility will make navigation difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

If you must navigate, proceed with caution. Use proper fog
signals. Make sure all running lights are on. Remember to use
your radar and compass.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
953 PM EDT Sat Jul 5 2025

LSZ248-061400-
/O.CON.KMQT.MF.Y.0017.000000T0000Z-250706T0900Z/
/O.EXT.KMQT.SC.Y.0122.250706T1200Z-250706T2200Z/
Huron Islands to Marquette MI-
953 PM EDT Sat Jul 5 2025

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 5 AM EDT SUNDAY...
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 8 AM TO 6 PM EDT
SUNDAY...

* WHAT...For the Dense Fog Advisory, dense fog will reduce
  visibility to less than one nautical mile. For the Small Craft
  Advisory, north winds 10 to 15 kt with gusts up to 25 kt and
  waves 3 to 5 ft expected.

* WHERE...Huron Islands to Marquette MI.

* WHEN...For the Dense Fog Advisory, until 5 AM EDT Sunday. For
  the Small Craft Advisory, from 8 AM to 6 PM EDT Sunday.

* IMPACTS...Conditions will be hazardous to small craft. Low
  visibility will make navigation difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

If you must navigate, proceed with caution. Use proper fog
signals. Make sure all running lights are on. Remember to use
your radar and compass.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
953 PM EDT Sat Jul 5 2025

LSZ249>251-061400-
/O.CON.KMQT.MF.Y.0017.000000T0000Z-250706T0900Z/
/O.EXT.KMQT.SC.Y.0122.250706T1200Z-250706T2300Z/
Marquette to Munising MI-Munising to Grand Marais MI-
Grand Marais to Whitefish Point MI-
953 PM EDT Sat Jul 5 2025

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 5 AM EDT SUNDAY...
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 8 AM TO 7 PM EDT
SUNDAY...

* WHAT...For the Dense Fog Advisory, dense fog will reduce
  visibility to less than one nautical mile. For the Small Craft
  Advisory, north winds 10 to 20 kt with gusts up to 25 kt and
  waves 3 to 5 ft expected.

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

* WHEN...For the Dense Fog Advisory, until 5 AM EDT Sunday. For
  the Small Craft Advisory, from 8 AM to 7 PM EDT Sunday.

* IMPACTS...Conditions will be hazardous to small craft. Low
  visibility will make navigation difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

If you must navigate, proceed with caution. Use proper fog
signals. Make sure all running lights are on. Remember to use
your radar and compass.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
636 PM CDT Sat Jul 5 2025

LSZ140-141-060600-
/O.EXT.KDLH.MF.Y.0015.000000T0000Z-250706T0600Z/
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
636 PM CDT Sat Jul 5 2025

...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 1 AM CDT SUNDAY...

* WHAT...Dense fog will reduce visibility to 1 NM or less.

* WHERE...Grand Portage to Grand Marais MN and Grand Marais to
  Taconite Harbor MN.

* WHEN...Until 1 AM CDT Sunday.

* IMPACTS...Low visibility will make navigation difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must navigate, proceed with caution. Use proper fog
signals. Make sure all running lights are on. Remember to use
your radar and compass.

&&

$$

Britt