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Nummy Island, NJ - Grassy Sound Channel Marine Weather Forecast

This Afternoon - 89°F
Jul 03, 2026
10 to 15 mph SW
Sunny
Sunny, with a high near 89. Southwest wind 10 to 15 mph.
Tonight - 77°F
Jul 03, 2026
5 to 15 mph SW
Scattered Showers And Thunderstorms then Partly Cloudy
Scattered showers and thunderstorms between 7pm and 10pm. Partly cloudy, with a low around 77. Southwest wind 5 to 15 mph. Chance of precipitation is 30%.
Independence Day - 87°F
Jul 04, 2026
5 to 15 mph W
Sunny
Sunny, with a high near 87. West wind 5 to 15 mph. New rainfall amounts less than a tenth of an inch possible.
Saturday Night - 74°F
Jul 04, 2026
0 to 15 mph W
Scattered Showers And Thunderstorms
A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 8pm, then scattered showers and thunderstorms. Mostly cloudy, with a low around 74. West wind 0 to 15 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Sunday - 84°F
Jul 05, 2026
0 to 10 mph NE
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms. Partly sunny, with a high near 84. Northeast wind 0 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Sunday Night - 74°F
Jul 05, 2026
5 to 10 mph SE
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
A chance of showers and thunderstorms before 8pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 74. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday - 83°F
Jul 06, 2026
5 to 15 mph SE
Rain Showers Likely then Chance Showers And Thunderstorms
Rain showers likely before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.
Monday Night - 73°F
Jul 06, 2026
5 to 15 mph SE
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
A chance of showers and thunderstorms before 8pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.
Tuesday - 87°F
Jul 07, 2026
5 to 10 mph W
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 87. Chance of precipitation is 60%.
Tuesday Night - 72°F
Jul 07, 2026
5 to 10 mph E
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 40%.
Wednesday - 86°F
Jul 08, 2026
5 to 10 mph NE
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
A slight chance of rain showers before 8am, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 86.
Wednesday Night - 73°F
Jul 08, 2026
5 mph S
Slight Chance Showers And Thunderstorms then Partly Cloudy
A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 73.
Thursday - 89°F
Jul 09, 2026
5 to 10 mph SW
Mostly Sunny
Mostly sunny, with a high near 89.
Thursday Night - 74°F
Jul 09, 2026
5 to 10 mph S
Partly Cloudy then Slight Chance Rain Showers
A slight chance of rain showers after 2am. Partly cloudy, with a low around 74.

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