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Ended official alertUpdated

Dense Fog Advisory for Grand Marais to Whitefish Point MI; Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border

This alert has ended.Kept for recent context. Do not use it as a current warning.

Official alert fields

What you need to know

Effective
Ended
Official severity
Minor
Official urgency
Expected
Official certainty
Likely

What is happening

What: Dense fog will reduce visibility to less than one nautical mile. Impacts: Low visibility will make navigation difficult. Where: Grand Marais to Whitefish Point MI and Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border. When: Until 2 PM EDT this afternoon.

What the bulletin says to do

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.

Read official NWS bulletin

Full official description

Bulletin details

* WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Grand Marais to Whitefish Point MI and Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border. * WHEN...Until 2 PM EDT this afternoon. * IMPACTS...Low visibility will make navigation difficult.

Lifecycle record

Official revisions

2 captured
  1. Update

    Dense Fog Advisory issued August 8 at 12:06PM EDT until August 8 at 2:00PM EDT by NWS Marquette MI

    Official revision
  2. Alert

    Dense Fog Advisory issued August 8 at 7:16AM EDT until August 8 at 2:00PM EDT by NWS Marquette MI

    Official revision

Source and limitations

Publisher: Weather Alert Watch. Primary source: NWS Marquette MI. This page reorganizes official fields and does not add a forecast or expand the affected area.

CAP status
Actual
Message type
Update
Last collected
Methodology and corrections