Minor Dense Fog Advisory | Effective 06/30/2026 14:47

Headline: 
Dense Fog Advisory issued June 30 at 4:47PM CDT until July 1 at 10:00AM CDT by NWS Duluth MN
Event: 
Dense Fog Advisory
Urgency: 
Expected
Effective: 
June 30, 2026 - 2:47pm
Expires: 
July 1, 2026 - 3:00am
Description: 
* WHAT...Dense fog will reduce visibility to 1/4 NM or less. * WHERE...Grand Portage to Silver Bay Harbor MN. * WHEN...Until 10 AM CDT Wednesday. * IMPACTS...Low visibility will make navigation difficult.
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