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West Islip, NY Marine Weather Forecast

Tonight - 29°F
Feb 14, 2026
5 mph NW
Partly Cloudy
Partly cloudy. Low around 29, with temperatures rising to around 32 overnight. Northwest wind around 5 mph.
Sunday - 37°F
Feb 15, 2026
3 to 8 mph NE
Partly Sunny then Slight Chance Snow Showers
A slight chance of snow showers after 4pm. Partly sunny, with a high near 37. Northeast wind 3 to 8 mph.
Sunday Night - 31°F
Feb 15, 2026
10 mph E
Slight Chance Snow Showers then Light Snow Likely
A slight chance of snow showers before 7pm, then snow likely. Cloudy, with a low around 31. Wind chill values as low as 24. East wind around 10 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Washington's Birthday - 38°F
Feb 16, 2026
6 to 10 mph NE
Light Snow Likely
Snow likely before 1pm. Mostly cloudy, with a high near 38. Wind chill values as low as 24. Northeast wind 6 to 10 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Monday Night - 31°F
Feb 16, 2026
5 mph NW
Mostly Cloudy
Mostly cloudy, with a low around 31. Northwest wind around 5 mph.
Tuesday - 40°F
Feb 17, 2026
3 to 8 mph SW
Partly Sunny
Partly sunny. High near 40, with temperatures falling to around 38 in the afternoon.
Tuesday Night - 33°F
Feb 17, 2026
2 to 6 mph W
Mostly Cloudy
Mostly cloudy, with a low around 33.
Wednesday - 41°F
Feb 18, 2026
2 to 9 mph NE
Chance Light Rain
A chance of rain after 7am. Mostly cloudy, with a high near 41. Chance of precipitation is 40%.
Wednesday Night - 36°F
Feb 18, 2026
8 mph NE
Chance Light Rain
A chance of rain. Mostly cloudy, with a low around 36. Chance of precipitation is 50%.
Thursday - 44°F
Feb 19, 2026
8 to 12 mph NE
Chance Light Rain
A chance of rain. Partly sunny, with a high near 44. Chance of precipitation is 40%.
Thursday Night - 34°F
Feb 19, 2026
9 mph NE
Chance Light Rain
A chance of rain. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.
Friday - 43°F
Feb 20, 2026
10 to 14 mph NE
Chance Light Rain
A chance of rain. Mostly cloudy, with a high near 43. Chance of precipitation is 50%.
Friday Night - 33°F
Feb 20, 2026
12 mph N
Chance Light Rain
A chance of rain. Mostly cloudy, with a low around 33. Chance of precipitation is 40%.
Saturday - 42°F
Feb 21, 2026
10 to 14 mph NW
Chance Light Rain then Slight Chance Rain And Snow
A chance of rain before 1pm, then a slight chance of rain and snow. Mostly cloudy, with a high near 42.

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