SXUS41 KBTV 201304 RECBTV Recreational Forecast National Weather Service Burlington VT 904 AM EDT Mon Jul 20 2026 .The Forecast for the Northern Waters of Lake Champlain, including Malletts Bay, the Inland Sea, and Isle La Motte... .TODAY...South winds 5 to 10 knots. Sunny. Waves 1 foot or less. .TONIGHT...South winds 5 to 15 knots, increasing to 15 to 20 knots. Partly cloudy in the evening, then becoming mostly cloudy. Waves 1 foot or less, building to 1 to 3 feet. .TUESDAY...South winds 15 to 25 knots. Partly sunny. A chance of showers and thunderstorms in the afternoon. Waves 1 to 3 feet, building to 3 to 5 feet, then subsiding to 1 to 2 feet. .TUESDAY NIGHT...South winds 15 to 20 knots, diminishing to 10 to 15 knots. Showers in the evening, then showers with a chance of thunderstorms overnight. Waves 1 to 2 feet. .WEDNESDAY...South winds 5 to 15 knots, becoming west. Showers in the morning, then a chance of showers in the afternoon. Waves 1 to 2 feet. .WEDNESDAY NIGHT...West winds 10 knots or less. Partly cloudy. A chance of showers in the evening. Waves 1 to 2 feet. .THURSDAY...West winds 10 knots or less, becoming northwest. Mostly sunny. Waves 1 to 2 feet. .THURSDAY NIGHT...Light and variable winds. Clear. Waves 1 foot or less. .FRIDAY...Light and variable winds. 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... .TODAY...South winds 10 to 15 knots early, diminishing to near 5 knots in the afternoon. Sunny. Waves 1 foot or less. .TONIGHT...South winds 5 to 15 knots, increasing to 15 to 20 knots. Partly cloudy in the evening, then becoming mostly cloudy. Waves 1 to 2 feet, building to 2 to 4 feet. .TUESDAY...South winds to 30 knots. Partly sunny. A chance of showers and thunderstorms in the afternoon. Waves 2 to 4 feet, subsiding to 1 to 3 feet. .TUESDAY NIGHT...South winds 15 to 25 knots. Showers in the evening, then showers with a chance of thunderstorms overnight. Waves 1 foot or less. .WEDNESDAY...South winds 10 to 15 knots, becoming west. Showers likely in the morning, then a chance of showers in the afternoon. Waves 1 to 2 feet. .WEDNESDAY NIGHT...West winds 5 to 15 knots. Partly cloudy. Waves 1 to 2 feet. .THURSDAY...West winds 5 to 10 knots, becoming northwest. Sunny. Waves 1 foot or less. .THURSDAY NIGHT...North winds less than 10 knots. Clear. Waves 1 foot or less. .FRIDAY...South winds less than 10 knots. 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... .TODAY...South winds 5 to 15 knots. Sunny. Waves 1 foot or less. .TONIGHT...South winds 10 to 15 knots, increasing to 15 to 20 knots. Partly cloudy in the evening, then becoming mostly cloudy. Waves 1 to 2 feet. .TUESDAY...South winds 15 to 25 knots. Showers likely with a chance of thunderstorms in the afternoon. Waves 1 to 2 feet. .TUESDAY NIGHT...South winds 15 to 25 knots. Showers. Waves 1 foot or less. .WEDNESDAY...South winds 10 to 15 knots, becoming west. Showers likely in the morning, then a chance of showers in the afternoon. Waves 1 to 2 feet. .WEDNESDAY NIGHT...West winds 5 to 15 knots. Partly cloudy. Waves 1 foot or less. .THURSDAY...Southwest winds 10 knots or less, becoming northwest. Mostly sunny. Waves 1 foot or less. .THURSDAY NIGHT...North winds less than 10 knots. Clear. Waves 1 foot or less. .FRIDAY...South winds less than 10 knots. Sunny. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. Latest Level and Temperature Data from Around Lake Champlain Level Temperature USGS gage at Rouses Point NY Missing Missing USGS gage at Burlington VT 95.44 feet 70 degrees USGS gage at Port Henry NY 95.44 feet 67 degrees && .The Higher Summits Forecast for Vermont and Northern New York... .TODAY...Sunny. Highs in the upper 60s. West winds 10 to 15 mph. .TONIGHT...Partly cloudy. Lows in the mid 50s. Southwest winds 10 to 20 mph, becoming south 15 to 30 mph after midnight. .TUESDAY...Cloudy in the morning, then becoming in and out of clouds. A chance of showers and thunderstorms in the afternoon. Highs in the upper 60s. South winds 15 to 30 mph. $$