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
Official alert fields
What you need to know
- Applies to
- Grand Marais to Whitefish Point MI, Huron Islands to Marquette MI, Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore, Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore, Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border, Marquette to Munising MI, Munising to Grand Marais MI, Portage Lake to Huron Island MI to Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays
- 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 at times. 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 8 PM EDT this evening.
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.
Full official description
Bulletin details
* WHAT...Dense fog will reduce visibility to less than one nautical mile at times. * 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 8 PM EDT this evening. * IMPACTS...Low visibility will make navigation difficult.
Lifecycle record
Official revisions
- Update
Dense Fog Advisory issued August 1 at 3:53PM EDT until August 1 at 8:00PM EDT by NWS Marquette MI
Official revision - Update
Dense Fog Advisory issued August 1 at 3:53PM EDT until August 1 at 8:00PM EDT by NWS Marquette MI
Official revision - Update
Dense Fog Advisory issued August 1 at 3:53PM EDT until August 1 at 8:00PM EDT by NWS Marquette MI
Official revision - Update
Dense Fog Advisory issued August 1 at 3:53PM EDT until August 1 at 8:00PM EDT by NWS Marquette MI
Official revision - Update
Dense Fog Advisory issued August 1 at 10:53AM EDT until August 1 at 11:00AM EDT by NWS Marquette MI
Official revision - Alert
Dense Fog Advisory issued August 1 at 10:53AM EDT until August 1 at 5:00PM EDT by NWS Marquette MI
Official revision - Update
Dense Fog Advisory issued August 1 at 10:53AM EDT until August 1 at 5:00PM EDT by NWS Marquette MI
Official revision - Update
Dense Fog Advisory issued August 1 at 10:53AM EDT until August 1 at 5:00PM EDT by NWS Marquette MI
Official revision - Update
Dense Fog Advisory issued August 1 at 10:53AM EDT until August 1 at 5:00PM EDT by NWS Marquette MI
Official revision - Alert
Dense Fog Advisory issued August 1 at 6:38AM EDT until August 1 at 5:00PM EDT by NWS Marquette MI
Official revision - Alert
Dense Fog Advisory issued August 1 at 6:38AM EDT until August 1 at 11:00AM EDT by NWS Marquette MI
Official revision - Alert
Dense Fog Advisory issued August 1 at 6:38AM EDT until August 1 at 5:00PM EDT by NWS Marquette MI
Official revision - Alert
Dense Fog Advisory issued August 1 at 6:38AM EDT until August 1 at 12:00PM EDT by NWS Marquette MI
Official revision - Alert
Dense Fog Advisory issued August 1 at 6:38AM EDT until August 1 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