Dense Fog Advisory for Straits of Mackinac within 5 nm of Mackinac Bridge including Mackinac Island; 5NM East of Mackinac Bridge to Presque Isle Light MI including Bois Blanc Island; Presque Isle Light to Sturgeon Pt MI Including Thunder Bay National Marine Sanctuary +5 more
Official alert fields
What you need to know
- Applies to
- 5NM East of Mackinac Bridge to Presque Isle Light MI including Bois Blanc Island, Grand Traverse Bay south of a line Grand Traverse Light to Norwood MI, Norwood MI to 5NM West of Mackinac Bridge including Little Traverse Bay, Point Betsie to Sleeping Bear Point MI, Presque Isle Light to Sturgeon Pt MI Including Thunder Bay National Marine Sanctuary, Seul Choix Point to 5NM West of Mackinac Bridge, Sleeping Bear Point to Grand Traverse Light MI, Straits of Mackinac within 5 nm of Mackinac Bridge including Mackinac Island
- Effective
- Ends or expires
- Official severity
- Minor
- Official urgency
- Expected
- Official certainty
- Likely
What is happening
What: Dense fog will reduce visibility to 1/4 NM or less. Impacts: Low visibility will make navigation difficult. Where: Portions of Lake Huron and Lake Michigan. When: Until noon EDT Friday.
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 1/4 NM or less. * WHERE...Portions of Lake Huron and Lake Michigan. * WHEN...Until noon EDT Friday. * IMPACTS...Low visibility will make navigation difficult.
Official geometry where available
Alert boundary
Lifecycle record
Official revisions
- Alert
Dense Fog Advisory issued October 22 at 10:07PM EDT until October 23 at 12:00PM EDT by NWS Gaylord MI
Official revision
Source and limitations
Publisher: Weather Alert Watch. Primary source: NWS Gaylord 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