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Mastic Beach, NY Marine Weather Forecast

Overnight - 32°F
Dec 18, 2025
2 to 6 mph NW
Partly Cloudy
Partly cloudy, with a low around 32. Northwest wind 2 to 6 mph.
Thursday - 51°F
Dec 18, 2025
2 to 14 mph SE
Sunny
Sunny, with a high near 51. Southeast wind 2 to 14 mph.
Thursday Night - 48°F
Dec 18, 2025
14 to 38 mph S
Rain Showers
Rain showers after 9pm. Mostly cloudy. Low around 48, with temperatures rising to around 54 overnight. South wind 14 to 38 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
Friday - 55°F
Dec 19, 2025
29 to 43 mph SW
Showers And Thunderstorms
Rain showers before 10am, then showers and thunderstorms. Mostly cloudy. High near 55, with temperatures falling to around 45 in the afternoon. Southwest wind 29 to 43 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Friday Night - 30°F
Dec 19, 2025
23 to 39 mph W
Chance Rain Showers then Partly Cloudy
A chance of rain showers before 7pm. Partly cloudy, with a low around 30. West wind 23 to 39 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Saturday - 45°F
Dec 20, 2025
15 to 21 mph W
Mostly Sunny
Mostly sunny. High near 45, with temperatures falling to around 43 in the afternoon.
Saturday Night - 39°F
Dec 20, 2025
17 to 25 mph SW
Mostly Cloudy
Mostly cloudy, with a low around 39.
Sunday - 46°F
Dec 21, 2025
23 mph W
Partly Sunny
Partly sunny, with a high near 46.
Sunday Night - 27°F
Dec 21, 2025
22 to 25 mph NW
Partly Cloudy
Partly cloudy, with a low around 27.
Monday - 35°F
Dec 22, 2025
16 to 21 mph NW
Sunny
Sunny, with a high near 35.
Monday Night - 28°F
Dec 22, 2025
9 to 15 mph W
Mostly Cloudy
Mostly cloudy, with a low around 28.
Tuesday - 41°F
Dec 23, 2025
10 to 20 mph SW
Chance Rain And Snow
A chance of rain and snow after 7am. Mostly cloudy, with a high near 41. Chance of precipitation is 50%.
Tuesday Night - 36°F
Dec 23, 2025
15 to 18 mph W
Chance Light Rain
A chance of rain before 1am. Mostly cloudy, with a low around 36. Chance of precipitation is 50%.
Wednesday - 43°F
Dec 24, 2025
15 mph NW
Mostly Sunny
Mostly sunny, with a high near 43.

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