Small Craft Advisory for Straits of Mackinac within 5 nm of Mackinac Bridge including Mackinac Island; St Ignace to False Detour Channel; 5NM East of Mackinac Bridge to Presque Isle Light MI including Bois Blanc Island
Official alert fields
What you need to know
- Applies to
- 5NM East of Mackinac Bridge to Presque Isle Light MI including Bois Blanc Island, Norwood MI to 5NM West of Mackinac Bridge including Little Traverse Bay, Seul Choix Point to 5NM West of Mackinac Bridge, St Ignace to False Detour Channel, 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: Highest gusts up to 25 kts from the east and highest waves around 4 feet expected. Impacts: Conditions will be hazardous to small craft. Where: Straits of Mackinac within 5 nm of Mackinac Bridge including Mackinac Island, St Ignace to False Detour Channel and 5NM East of Mackinac Bridge to Presque Isle Light...
What the bulletin says to do
Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Full official description
Bulletin details
* WHAT...Highest gusts up to 25 kts from the east and highest waves around 4 feet expected. * WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge including Mackinac Island, St Ignace to False Detour Channel and 5NM East of Mackinac Bridge to Presque Isle Light MI including Bois Blanc Island. * WHEN...From 8 PM this evening to 8 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft.
Official geometry where available
Alert boundary
Lifecycle record
Official revisions
- Alert
Small Craft Advisory issued October 12 at 1:43AM EDT until October 13 at 8:00AM EDT by NWS Gaylord MI
Official revision - Alert
Small Craft Advisory issued October 12 at 1:43AM EDT until October 13 at 8:00AM 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