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Port Jefferson Station, NY Marine Weather Forecast

Tonight - 58°F
May 16, 2026
9 to 16 mph SW
Partly Cloudy then Chance Rain Showers
A chance of rain showers after 2am. Partly cloudy. Low around 58, with temperatures rising to around 60 overnight. Southwest wind 9 to 16 mph, with gusts as high as 29 mph.
Sunday - 82°F
May 17, 2026
6 to 12 mph W
Chance Rain Showers then Sunny
A chance of rain showers before 8am. Sunny. High near 82, with temperatures falling to around 80 in the afternoon. West wind 6 to 12 mph.
Sunday Night - 58°F
May 17, 2026
0 to 10 mph SW
Partly Cloudy
Partly cloudy, with a low around 58. Southwest wind 0 to 10 mph.
Monday - 74°F
May 18, 2026
3 to 12 mph SE
Sunny
Sunny. High near 74, with temperatures falling to around 70 in the afternoon. Southeast wind 3 to 12 mph.
Monday Night - 58°F
May 18, 2026
9 mph S
Partly Cloudy
Partly cloudy, with a low around 58. South wind around 9 mph.
Tuesday - 80°F
May 19, 2026
7 to 16 mph SW
Sunny
Sunny, with a high near 80.
Tuesday Night - 65°F
May 19, 2026
12 to 15 mph SW
Partly Cloudy
Partly cloudy, with a low around 65.
Wednesday - 82°F
May 20, 2026
10 to 16 mph SW
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82. Chance of precipitation is 50%.
Wednesday Night - 58°F
May 20, 2026
7 to 14 mph W
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Chance of precipitation is 50%.
Thursday - 69°F
May 21, 2026
8 to 12 mph N
Chance Rain Showers
A chance of rain showers. Partly sunny, with a high near 69. Chance of precipitation is 40%.
Thursday Night - 53°F
May 21, 2026
5 to 9 mph N
Chance Rain Showers then Mostly Cloudy
A chance of rain showers before 8pm. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.
Friday - 64°F
May 22, 2026
10 mph NE
Slight Chance Rain Showers
A slight chance of rain showers after 8am. Mostly cloudy, with a high near 64.
Friday Night - 51°F
May 22, 2026
0 to 8 mph E
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a low around 51. Chance of precipitation is 30%.
Saturday - 66°F
May 23, 2026
3 to 13 mph E
Chance Rain Showers
A chance of rain showers. Partly sunny, with a high near 66.

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