Small Craft Advisory for 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; Sturgeon Pt to Alabaster MI
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, 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, St Ignace to False Detour Channel, St. Marys River Point Iroquois to E. Potagannissing Bay and 3 more
- 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 northwest and highest waves around 5 feet expected. Impacts: Conditions will be hazardous to small craft. Where: 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...
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 northwest and highest waves around 5 feet expected. * WHERE...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 2 PM this afternoon to 5 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft.
Official geometry where available
Alert boundary
Lifecycle record
Official revisions
- Alert
Small Craft Advisory issued August 16 at 3:12AM EDT until August 17 at 12:00AM EDT by NWS Gaylord MI
Official revision - Alert
Small Craft Advisory issued August 16 at 3:12AM EDT until August 17 at 12:00AM EDT by NWS Gaylord MI
Official revision - Alert
Small Craft Advisory issued August 16 at 3:12AM EDT until August 17 at 12:00AM EDT by NWS Gaylord MI
Official revision - Alert
Small Craft Advisory issued August 16 at 3:12AM EDT until August 17 at 5:00AM 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