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

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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.