


Sand Island to Bayfield WI Marine Forecast
Updated 2:43am CDT Aug 27, 2026
Today
Northwest wind 5 knots becoming east late in the afternoon. Sunny. Waves 1 foot or less.
Tonight
Northeast wind 5 knots. Partly cloudy. Waves 1 foot or less.
Friday
Variable winds 10 knots or less becoming east 5 knots in the afternoon. Sunny. Waves 1 foot or less.
Friday Night
East wind 5 knots. Slight chance of showers after midnight. Waves 1 foot or less.