Headline:
Dense Fog Advisory issued June 30 at 11:16AM CDT until June 30 at 7:00PM CDT by NWS Duluth MN
Event:
Dense Fog Advisory
Urgency:
Expected
Effective:
June 30, 2026 - 9:16am
Expires:
June 30, 2026 - 5:00pm
Description:
* WHAT...Dense fog will occasionally reduce visibility to below 1
NM.
* WHERE...Portions of Lake Superior, from Grand Portage around the
head of the lake and through the Outer Apostles.
* WHEN...Until 7 PM CDT this evening.
* 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; Port Wing to Sand Island WI; Sand Island to Bayfield WI; Outer Apostle Islands Beyond 5 NM from Mainland
Forcast Office:
NWS Duluth MN
Sender: