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 +2 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, Manistee to Point Betsie 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 and 5 more
- Effective
- Ends or expires
- Official severity
- Minor
- Official urgency
- Expected
- Official certainty
- Likely
What is happening
What: Highest gusts up to 30 kts from the south and highest waves around 7 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, 5NM East of Mackinac Bridge to Presque Isle Light MI...
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 30 kts from the south and highest waves around 7 feet expected. * WHERE...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, Presque Isle Light to Sturgeon Pt MI Including Thunder Bay National Marine Sanctuary and Sturgeon Pt to Alabaster MI. * WHEN...From 5 AM Saturday to 6 AM EDT Sunday. * IMPACTS...Conditions will be hazardous to small craft.
Official geometry where available
Alert boundary
Lifecycle record
Official revisions
- Alert
Small Craft Advisory issued October 9 at 1:17PM EDT until October 11 at 6:00AM EDT by NWS Gaylord MI
Official revision - Alert
Small Craft Advisory issued October 9 at 1:17PM EDT until October 11 at 6:00AM EDT by NWS Gaylord MI
Official revision - Alert
Small Craft Advisory issued October 9 at 1:17PM EDT until October 11 at 6:00AM 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