Dense Fog Advisory

FROM: NWS Duluth MN
AREA: Grand Portage to Grand Marais MN; Grand Marais to Taconite Harbor MN
SENT: 2026-02-15T07:43:00-06:00

Dense Fog Advisory issued February 15 at 7:43AM CST until February 15 at 10:00PM CST by NWS Duluth MN

* WHAT…Dense fog will reduce visibility to as low as one quarter mile.

* WHERE…Grand Portage to Grand Marais MN and Grand Marais to
Taconite Harbor MN.

* WHEN…Until 10 PM CST this evening.

* IMPACTS…Low visibility will make navigation difficult.

* ADDITIONAL DETAILS…An expansive fog bank is moving southwest
into western Lake Superior this morning and expected to persist
through the day. Confidence is highest in visibility dropping
below 1 mile in dense fog from Taconite Harbor to Grand Portage.

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.

Alert Expiration: 2026-02-15T22:00:00-06:00