Saint Lawrence River From Cape Vincent To Saint Regis
Northeast winds 5 to 10 knots. Mostly cloudy.
Northeast winds 10 knots or less becoming southeast. Mostly cloudy in the evening...then clearing.
Southeast winds 5 to 10 knots. Mostly sunny.
Southeast winds 10 to 15 knots becoming southwest. Showers and thunderstorms likely overnight. Some thunderstorms may produce gusty winds overnight.
Southwest winds 5 to 15 knots diminishing to less than 10 knots. A chance of showers Friday night.
Southwest winds 5 to 15 knots becoming north. Mostly cloudy.
Northeast winds 5 to 10 knots becoming east. A chance of rain showers and thunderstorms during the day...then a chance of rain showers Sunday night. Winds and waves higher in and near thunderstorms.