Dense Fog Advisory for Huron Islands to Marquette MI; Marquette to Munising MI; Munising to Grand Marais MI +2 more
Official alert fields
What you need to know
- Applies to
- 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, Marquette to Munising MI, Munising to Grand Marais MI
- Effective
- Ends or expires
- 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: Huron Islands to Marquette MI, Marquette to Munising MI, Munising to Grand Marais MI, Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore and Lake...
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. * WHERE...Huron Islands to Marquette MI, Marquette to Munising MI, Munising to Grand Marais MI, Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore and 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. * WHEN...Until 4 AM EDT Thursday. * IMPACTS...Low visibility will make navigation difficult.
Official geometry where available
Alert boundary
Lifecycle record
Official revisions
- Alert
Dense Fog Advisory issued October 21 at 11:15PM EDT until October 22 at 4:00AM 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
- Alert
- Last collected