# Dense Fog Advisory: 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 — retained record

> Retained us-gov-api record from us-gov-api:noaa-weather.

Canonical: https://highsignal.app/data/records/0a08d707985f81ba

[← sources](https://highsignal.app/data)


source: [us-gov-api](https://highsignal.app/data/us-gov-api) (us-gov-api:noaa-weather)  published 2026-10-22 17:47 ingested 2026-10-23 02:51

[original source ↗](http://www.weather.gov/)

## extract

Dense Fog Advisory — 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
Severity: Minor. Certainty: Likely.
* WHAT...Dense fog will reduce visibility to 1/4 NM or less.

* WHERE...Two Harbors to Duluth MN, Duluth MN to Port Wing WI,
Port Wing to Sand Island WI, Sand Island to Bayfield WI and
Outer Apostle Islands Beyond 5 NM from Mainland.

* WHEN...Until 10 AM CDT Friday.

* IMPACTS...Low visibility will make navigation difficult.

* ADDITIONAL DETAILS...Visibility improved for several hours this
afternoon, but is beginning to spread again early this evening.

## retained text

The historical document was shared with another weather alert and cannot be attributed to this record. The original extract is preserved above; the exact alert link was not retained.