Alert USA
weather NWS minor Straits of Mackinac within 5 nm of Mackinac Bridge including Mackinac Island; St Ignace to False Detour Channel October 17, 2026 at 4:17 PM

Small Craft Advisory

* WHAT...For the Small Craft Advisory, Highest gusts up to 30 kts from the southwest and highest waves around 6 feet. For the Gale Warning, Highest gusts up to 40 kts from the southwest and highest waves around 6 feet expected.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge including Mackinac Island and St Ignace to False Detour Channel.

* WHEN...For the Small Craft Advisory, until 5 AM EDT Sunday. For the Gale Warning, from 5 AM to 11 PM EDT Sunday.

* IMPACTS...Strong winds will cause hazardous highest waves which could capsize or damage vessels and reduce visibility.

Local conditions in Straits of Mackinac within 5 nm of Mackinac Bridge including Mackinac Island; St Ignace to False Detour Channel may affect travel, public safety, or daily routines. Stay informed and adjust plans if conditions change.

This report is based on information from NWS, monitored by Alert USA's verified emergency feed.

Residents should be prepared for possible effects on travel, public safety, and daily routines while the situation remains active.

Recommended steps: stay informed via official sources; avoid non-essential travel in the area; secure outdoor items if weather is involved; check on family and neighbors.

Alert USA is tracking this developing situation and will update this report as verified information becomes available.

Verified by Alert USA • NWS

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