SXUS41 KBTV 171819 RECBTV Recreational Forecast National Weather Service Burlington VT 219 PM EDT Mon Aug 17 2026 .The Forecast for the Northern Waters of Lake Champlain, including Malletts Bay, the Inland Sea, and Isle La Motte... .TONIGHT...Northwest winds 10 knots or less, becoming north. Partly cloudy. Scattered showers with isolated thunderstorms in the evening. Waves 1 foot or less. .TUESDAY...North winds 10 knots or less. Partly sunny. Waves 1 foot or less. .TUESDAY NIGHT...Northwest winds 10 knots or less, becoming south. Partly cloudy. Waves 1 foot or less. .WEDNESDAY...South winds 5 to 10 knots, becoming southwest. Showers in the afternoon. Waves 1 foot or less. .WEDNESDAY NIGHT...Southwest winds 5 to 10 knots, becoming light and variable. Showers in the evening. Waves 1 foot or less. .THURSDAY...Light and variable winds. Partly sunny. Waves 1 foot or less. .THURSDAY NIGHT...Light and variable winds. Mostly clear. Waves 1 foot or less. .FRIDAY...Light and variable winds. Sunny. Waves 1 foot or less. .FRIDAY NIGHT...Light and variable winds. Mostly clear. Waves 1 foot or less. .SATURDAY...Light and variable winds. Partly sunny. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. && .The Forecast for the Broad Waters of Lake Champlain, including Colchester Reef, Valcour Island, and Cumberland Bay... .TONIGHT...North winds 10 knots or less. Partly cloudy. Scattered showers with isolated thunderstorms in the evening. Waves 1 foot or less. .TUESDAY...North winds 5 to 10 knots. Partly sunny. Waves 1 foot or less. .TUESDAY NIGHT...North winds 10 knots or less, becoming southwest. Partly cloudy. Waves 1 foot or less. .WEDNESDAY...South winds 5 to 15 knots. Showers likely in the afternoon. Waves 1 foot or less. .WEDNESDAY NIGHT...South winds 5 to 10 knots, becoming light and variable. Showers likely in the evening. Waves 1 foot or less. .THURSDAY...Light and variable winds. Mostly sunny. Waves 1 foot or less. .THURSDAY NIGHT...North winds less than 10 knots. Mostly clear. Waves 1 foot or less. .FRIDAY...Light and variable winds. Mostly sunny. Waves 1 foot or less. .FRIDAY NIGHT...North winds less than 10 knots. Mostly clear. Waves 1 foot or less. .SATURDAY...South winds 10 knots or less, becoming southeast. Mostly sunny. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. && .The Forecast for the Southern Waters of Lake Champlain, including Willsboro and Shelburne Bays, and Diamond Island... .TONIGHT...North winds 5 to 10 knots. Numerous showers with isolated thunderstorms in the evening. Waves 1 foot or less. .TUESDAY...North winds 5 to 15 knots. Partly sunny. Waves 1 foot or less. .TUESDAY NIGHT...North winds 10 knots or less, becoming southwest. Partly cloudy. Waves 1 foot or less. .WEDNESDAY...South winds 5 to 10 knots. Showers likely in the afternoon. Waves 1 foot or less. .WEDNESDAY NIGHT...South winds 5 to 10 knots, becoming light and variable. Showers likely in the evening. Waves 1 foot or less. .THURSDAY...Light and variable winds. Partly sunny. Waves 1 foot or less. .THURSDAY NIGHT...North winds less than 10 knots. Mostly clear. Waves 1 foot or less. .FRIDAY...Light and variable winds. Mostly sunny. Waves 1 foot or less. .FRIDAY NIGHT...North winds less than 10 knots. Mostly clear. Waves 1 foot or less. .SATURDAY...South winds 10 knots or less. Mostly sunny. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. The ultraviolet index for Tuesday will be a 1. This is in the low category. Latest Level and Temperature Data from Around Lake Champlain Level Temperature USGS gage at Rouses Point NY 94.50 feet 73 degrees USGS gage at Burlington VT 94.52 feet 73 degrees USGS gage at Port Henry NY 94.48 feet 75 degrees && .The Higher Summits Forecast for the Northern Adirondacks of New York... .TONIGHT...Summits obscured in clouds until midnight, then becoming cloudy. Scattered showers with isolated thunderstorms until midnight. Lows in the mid 50s. Light winds. .TUESDAY...Cloudy. Highs in the upper 60s. Light winds. .TUESDAY NIGHT...Partly cloudy until midnight, then becoming mostly cloudy. Lows in the mid 50s. Light winds, becoming southwest up to 10 mph after midnight. .WEDNESDAY...Partly sunny in the morning, then becoming cloudy. A chance of showers in the afternoon. Highs in the mid 60s. Southwest winds around 10 mph. .The Higher Summits Forecast for the Green Mountains of Vermont... .TONIGHT...Summits obscured in clouds until midnight, then becoming cloudy. Numerous showers with isolated thunderstorms until midnight, then isolated showers after midnight. Lows in the upper 50s. Light winds. .TUESDAY...Mostly cloudy in the morning, then becoming partly sunny. Highs in the upper 60s. Light winds. .TUESDAY NIGHT...Partly cloudy until midnight, then becoming mostly cloudy. Lows in the mid 50s. Light winds. .WEDNESDAY...Mostly cloudy in the morning, then becoming partly sunny. A chance of showers in the afternoon. Highs around 70. Light winds, becoming southwest around 10 mph in the afternoon. $$