* WHAT. Expect sustained winds up to 20 knots from the east with gusts up to 25 knots. The largest significant waves will be 4 feet with a potential maximum wave height of 5 feet. * WHERE. Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay and Inner Saginaw Bay SW of Point Au Gres to Bay Port MI. * WHEN. The maximum winds are expected around 8 AM EDT Wednesday with the largest waves expected around 11 PM EDT Tuesday. * IMPACTS. Conditions will be hazardous to small craft.

* WHAT. High waves of 3 to 6 feet and strong currents leading to dangerous swimming conditions. * WHERE. Alpena, Alcona and Iosco Counties, and Mackinac Island/Bois Blanc Island. * WHEN. From 8 AM EDT Wednesday through Wednesday evening. * IMPACTS. Strong currents can pull swimmers into deeper water and high waves can sweep people off piers.

* WHAT. Highest gusts up to 30 kts from the east and highest waves around 6 feet. * 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. Until 8 PM EDT Wednesday. * IMPACTS. Conditions will be hazardous to small craft.