Minor Dense Fog Advisory | Effective 07/27/2026 17:06

Headline: 
Dense Fog Advisory issued July 27 at 7:06PM CDT until July 28 at 11:00AM CDT by NWS Duluth MN
Event: 
Dense Fog Advisory
Urgency: 
Expected
Effective: 
July 27, 2026 - 5:06pm
Expires: 
July 28, 2026 - 5:15am
Description: 
* WHAT...Dense fog will reduce visibility to 1/2 NM. * WHERE...Silver Bay MN to the Twin Ports and the entire South Shore. * WHEN...Until 11 AM CDT Tuesday. * 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: 
Chequamegon Bay-Bayfield to Oak Point WI; 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; Oak Point to Saxon Harbor WI; Outer Apostle Islands Beyond 5 NM from Mainland
Forcast Office: 
NWS Duluth MN
Sender: 
w-nws.webmaster@noaa.gov