Gale Warning — Straits of Mackinac within 5 nm of Mackinac Bridge including Mackinac Island; St Ignace to False Detour Channel Severity: Moderate. Certainty: Likely. * 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.
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