St Lawrence River From Cape Vincent To St Regis
West winds 5 to 15 knots becoming northwest. A chance of showers early.
Northwest winds 5 to 10 knots becoming light and variable. Partly cloudy through early evening...then becoming clear.
Light and variable winds. Sunny.
South winds 10 knots or less. Mainly clear in the evening...then becoming partly cloudy.
Southwest winds 15 to 20 knots becoming north 10 to 15 knots. A chance of showers and thunderstorms during the day... then showers and thunderstorms Saturday night.
North winds 15 to 20 knots becoming northeast and diminishing to 5 to 10 knots. A chance of showers during the day.
Northeast winds 5 to 10 knots becoming southeast. Partly cloudy. Winds and waves higher in and near thunderstorms.