SXUS41 KBTV 201843 RECBTV Recreational Forecast National Weather Service Burlington VT 243 PM EDT Sun Sep 20 2026 .The Forecast for the Northern Waters of Lake Champlain, including Malletts Bay, the Inland Sea, and Isle La Motte... .TONIGHT...Southwest winds 10 knots or less, becoming north 10 to 15 knots. Partly cloudy. Waves 1 to 2 feet. .MONDAY...North winds 5 to 15 knots. Partly sunny. Waves 1 to 3 feet, subsiding to 1 foot or less. .MONDAY NIGHT...North winds around 10 knots. Partly cloudy. Waves 1 to 2 feet. .TUESDAY...North winds 5 to 10 knots. Mostly sunny. Waves 1 foot or less. .TUESDAY NIGHT...North winds around 10 knots, becoming light and variable. Clear. Waves 1 foot or less. .WEDNESDAY...Light and variable winds. Sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...Light and variable winds. Mostly clear. 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. Partly cloudy. Waves 1 foot or less. .FRIDAY...Light and variable winds. Partly sunny. Waves 1 foot or less. && .The Forecast for the Broad Waters of Lake Champlain, including Colchester Reef, Valcour Island, and Cumberland Bay... .TONIGHT...Southwest winds 5 to 15 knots, becoming north 10 to 20 knots after midnight. Mostly cloudy in the evening, then becoming partly cloudy. A slight chance of rain in the evening. Waves 1 to 3 feet. .MONDAY...North winds 15 to 20 knots, diminishing to 10 to 15 knots. Cloudy in the morning, then becoming partly sunny. Waves 2 to 3 feet, then subsiding to 1 to 2 feet in the afternoon. .MONDAY NIGHT...North winds 10 to 15 knots. Partly cloudy. Waves 1 to 2 feet. .TUESDAY...North winds around 10 knots. Mostly sunny. Waves 1 foot or less. .TUESDAY NIGHT...North winds 10 to 15 knots, becoming light and variable. Mostly clear. Waves 1 foot or less. .WEDNESDAY...Light and variable winds. Sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...Northeast winds less than 10 knots. Mostly clear. Waves 1 foot or less. .THURSDAY...Light and variable winds, becoming north 5 to 10 knots. Mostly sunny. Waves 1 foot or less. .THURSDAY NIGHT...North winds less than 10 knots. Partly cloudy. Waves 1 foot or less. .FRIDAY...North winds 10 knots or less. Partly sunny. Waves 1 foot or less. && .The Forecast for the Southern Waters of Lake Champlain, including Willsboro and Shelburne Bays, and Diamond Island... .TONIGHT...South winds 5 to 15 knots, becoming north 10 to 20 knots after midnight. Mostly cloudy in the evening, then becoming partly cloudy. A slight chance of rain in the evening. Waves 1 foot or less, building to 2 to 3 feet. .MONDAY...North winds 15 to 20 knots, diminishing to 10 to 15 knots. Mostly cloudy. Waves 2 to 4 feet, subsiding to 1 to 3 feet. .MONDAY NIGHT...North winds 10 to 15 knots. Partly cloudy. Waves 1 to 2 feet. .TUESDAY...North winds 10 to 15 knots. Mostly sunny. Waves 1 foot or less. .TUESDAY NIGHT...North winds 10 to 15 knots, becoming light and variable. Mostly clear. Waves 1 foot or less. .WEDNESDAY...Light and variable winds. Mostly sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...North winds less than 10 knots. Mostly clear. Waves 1 foot or less. .THURSDAY...Light and variable winds, becoming north 5 to 10 knots. Partly sunny. Waves 1 foot or less. .THURSDAY NIGHT...North winds 5 to 10 knots, becoming light and variable. Partly cloudy. Waves 1 foot or less. .FRIDAY...North winds 10 knots or less. Partly sunny. Waves 1 foot or less. The ultraviolet index for Monday will be a 3. This is in the moderate category. Latest Level and Temperature Data from Around Lake Champlain Level Temperature USGS gage at Rouses Point NY 93.69 feet 63 degrees USGS gage at Burlington VT 93.59 feet 64 degrees USGS gage at Port Henry NY 93.41 feet 60 degrees && .The Higher Summits Forecast for Vermont and Northern New York... .TONIGHT...Summits in and out of clouds. A chance of rain until midnight. Lows in the lower 40s. North winds up to 15 mph. .MONDAY...Mostly cloudy. Highs around 50. North winds around 10 mph. .MONDAY NIGHT...Partly cloudy. Lows in the mid 30s. Northeast winds around 10 mph. .TUESDAY...Mostly sunny. Highs in the lower 50s. Northeast winds up to 10 mph in the morning, becoming light and variable. $$