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Nummy Island, NJ - Grassy Sound Channel Marine Weather Forecast

Tonight - 60°F
May 16, 2026
10 to 15 mph SW
Chance Rain Showers
A chance of rain showers between 11pm and 5am. Partly cloudy, with a low around 60. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Sunday - 76°F
May 17, 2026
5 to 10 mph SW
Mostly Sunny
Mostly sunny, with a high near 76. Southwest wind 5 to 10 mph.
Sunday Night - 60°F
May 17, 2026
0 to 10 mph SW
Partly Cloudy
Partly cloudy, with a low around 60. Southwest wind 0 to 10 mph.
Monday - 72°F
May 18, 2026
0 to 10 mph S
Sunny
Sunny, with a high near 72. South wind 0 to 10 mph.
Monday Night - 61°F
May 18, 2026
10 mph S
Mostly Clear
Mostly clear, with a low around 61. South wind around 10 mph.
Tuesday - 76°F
May 19, 2026
10 to 15 mph S
Sunny
Sunny, with a high near 76.
Tuesday Night - 64°F
May 19, 2026
10 to 15 mph S
Mostly Clear
Mostly clear, with a low around 64.
Wednesday - 75°F
May 20, 2026
10 to 15 mph SW
Sunny then Slight Chance Rain Showers
A slight chance of rain showers after 2pm. Sunny, with a high near 75.
Wednesday Night - 60°F
May 20, 2026
5 to 15 mph SW
Chance Showers And Thunderstorms
A slight chance of rain showers before 8pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 60. Chance of precipitation is 40%.
Thursday - 67°F
May 21, 2026
5 to 10 mph N
Showers And Thunderstorms Likely
A chance of rain showers before 8am, then showers and thunderstorms likely. Partly sunny, with a high near 67. Chance of precipitation is 60%.
Thursday Night - 55°F
May 21, 2026
5 to 10 mph NE
Rain Showers Likely
Rain showers likely. Mostly cloudy, with a low around 55. Chance of precipitation is 60%.
Friday - 62°F
May 22, 2026
10 to 15 mph NE
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a high near 62. Chance of precipitation is 50%.
Friday Night - 54°F
May 22, 2026
10 to 15 mph NE
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a low around 54. Chance of precipitation is 50%.
Saturday - 63°F
May 23, 2026
10 to 15 mph NE
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a high near 63.

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