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Copiague, NY Marine Weather Forecast

Overnight - 52°F
Apr 01, 2026
15 mph SW
Slight Chance Rain Showers
A slight chance of rain showers after 2am. Mostly cloudy, with a low around 52. Southwest wind around 15 mph. Chance of precipitation is 20%.
Wednesday - 65°F
Apr 01, 2026
7 to 13 mph SW
Chance Rain Showers
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny. High near 65, with temperatures falling to around 63 in the afternoon. Southwest wind 7 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
Wednesday Night - 41°F
Apr 01, 2026
3 to 12 mph NE
Showers And Thunderstorms
Showers and thunderstorms. Cloudy, with a low around 41. Northeast wind 3 to 12 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday - 47°F
Apr 02, 2026
12 to 15 mph NE
Chance Very Light Rain
A chance of rain before 8am, then a chance of rain and patchy fog between 8am and 2pm. Cloudy. High near 47, with temperatures falling to around 45 in the afternoon. Northeast wind 12 to 15 mph. Chance of precipitation is 30%.
Thursday Night - 40°F
Apr 02, 2026
6 to 12 mph E
Chance Very Light Rain then Areas Of Fog
A chance of rain and patchy fog between 8pm and midnight, then areas of fog and a slight chance of rain. Cloudy. Low around 40, with temperatures rising to around 42 overnight. East wind 6 to 12 mph. Chance of precipitation is 30%.
Friday - 58°F
Apr 03, 2026
6 to 12 mph SE
Areas Of Fog then Mostly Cloudy
Areas of fog before noon. Mostly cloudy. High near 58, with temperatures falling to around 56 in the afternoon.
Friday Night - 49°F
Apr 03, 2026
8 to 14 mph SW
Mostly Cloudy
Mostly cloudy, with a low around 49.
Saturday - 61°F
Apr 04, 2026
8 to 13 mph SW
Mostly Sunny then Slight Chance Rain Showers
A slight chance of rain showers after 2pm. Mostly sunny, with a high near 61.
Saturday Night - 48°F
Apr 04, 2026
13 mph S
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a low around 48. Chance of precipitation is 30%.
Sunday - 59°F
Apr 05, 2026
12 to 15 mph SW
Rain Showers Likely
Rain showers likely. Mostly cloudy, with a high near 59. Chance of precipitation is 60%.
Sunday Night - 40°F
Apr 05, 2026
13 mph W
Rain Showers Likely
Rain showers likely. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.
Monday - 52°F
Apr 06, 2026
10 mph NW
Chance Rain Showers then Mostly Sunny
A chance of rain showers before 8am. Mostly sunny, with a high near 52. Chance of precipitation is 30%.
Monday Night - 38°F
Apr 06, 2026
6 to 9 mph NW
Mostly Clear
Mostly clear, with a low around 38.
Tuesday - 50°F
Apr 07, 2026
6 to 9 mph NE
Mostly Sunny
Mostly sunny, with a high near 50.

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