Saint Lawrence River From Cape Vincent To Saint Regis
West winds 5 to 10 knots. Sunny.
West winds 10 knots or less becoming southwest. Clear.
Southwest winds 10 knots or less becoming south. Partly to mostly sunny.
North winds 5 to 10 knots becoming light and variable. Partly to mostly cloudy.
Southwest winds 5 to 10 knots increasing to 15 to 25 knots. A chance of snow showers.
Southwest winds 5 to 15 knots. A chance of snow showers during the day, then snow showers likely Wednesday night.
Northwest winds 5 to 15 knots. Snow showers likely during the day, then a chance of snow showers Thursday night. The Saint Lawrence Seaway has closed to navigation for the season, therefore the forecast for the Saint Lawrence River has been discontinued. The forecast will resume in the Spring when the river opens for navigation.