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12NM S Henderson Harbor NY

[NOTICE]

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Last Update: 9:57 pm EDT Oct 18, 2026
Forecast Valid: 10pm EDT Oct 18, 2026-6pm EDT Oct 25, 2026

Tonight

S wind around 8 kt. Clear. Waves 1 ft or less.

Monday

SSE wind 5 to 9 kt becoming WSW in the afternoon. Sunny. Waves 1 ft or less.

Monday Night

Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.

Tuesday

NNE wind 9 to 11 kt. Sunny. Waves 1 ft or less.

Tuesday Night

NNE wind 7 to 12 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.

Wednesday

Variable winds 5 kt or less. Sunny. Waves 1 ft or less.

Wednesday Night

Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.

Thursday

Variable winds less than 5 kt becoming NNW 5 to 7 kt in the afternoon. Sunny. Waves 1 ft or less.

Thursday Night

NNE wind 8 to 11 kt increasing to 11 to 14 kt after midnight. Partly cloudy. Waves 1 ft or less.

The water temperature off Cape Vincent is 57 degrees.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.