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