Headline:
Dense Fog Advisory issued July 12 at 8:39AM CDT until July 12 at 6:00PM CDT by NWS Duluth MN
Event:
Dense Fog Advisory
Urgency:
Expected
Effective:
July 12, 2026 - 6:39am
Expires:
July 12, 2026 - 6:45pm
Description:
* WHAT...For the Dense Fog Advisory, dense fog will reduce
visibility to one half mile. For the Small Craft Advisory,
southwest winds 10 to 20 kt with gusts up to 25 kt and waves 1
to 4 ft expected.
* WHERE...Grand Portage to Grand Marais MN.
* WHEN...For the Dense Fog Advisory, until 6 PM CDT this
evening. For the Small Craft Advisory, until 10 PM CDT this
evening.
* IMPACTS...Conditions will be hazardous to small craft. Low
visibility will make navigation difficult.
Instruction:
Anyone operating a smaller vessel 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.
Area Description:
Grand Portage to Grand Marais MN
Forcast Office:
NWS Duluth MN
Sender: