Minor Dense Fog Advisory | Effective 07/09/2026 21:39

Headline: 
Dense Fog Advisory issued July 9 at 11:39PM CDT until July 10 at 10:00AM CDT by NWS Duluth MN
Event: 
Dense Fog Advisory
Urgency: 
Expected
Effective: 
July 9, 2026 - 9:39pm
Expires: 
July 10, 2026 - 8:00am
Description: 
* WHAT...Dense fog will reduce visibility to less than 1 NM. * WHERE...Grand Portage to Grand Marais MN, Grand Marais to Taconite Harbor MN and Taconite Harbor to Silver Bay Harbor MN. * WHEN...Until 10 AM CDT Friday. * IMPACTS...Low visibility will make navigation difficult. * ADDITIONAL DETAILS...Coverage may be intermittent.
Instruction: 
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; Grand Marais to Taconite Harbor MN; Taconite Harbor to Silver Bay Harbor MN
Forcast Office: 
NWS Duluth MN