Dense Fog Advisory - Minor | Effective 06/10/2026 12:31

Headline: 
Dense Fog Advisory issued June 10 at 2:31PM CDT until June 11 at 7:00AM CDT by NWS Duluth MN
Event: 
Dense Fog Advisory
Urgency: 
Expected
Effective: 
June 10, 2026 - 12:31pm
Expires: 
June 11, 2026 - 12:45am
Description: 
* WHAT...Dense fog will reduce visibility to 1/4 to 1/2 NM. * WHERE...Portions of Lake Superior. * WHEN...Until 7 AM CDT Thursday. * 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; Silver Bay Harbor to Two Harbors MN; Two Harbors to Duluth MN; Duluth MN to Port Wing WI
Forcast Office: 
NWS Duluth MN
Sender: 
w-nws.webmaster@noaa.gov