| NWS Forecast for: 21NM E Portsmouth RI Atlantic Ocean Issued by: National Weather Service Norton, MA Last Update: 6:15 am EDT Jul 9, 2025 |  |
| Today: SW wind around 8 kt. A chance of showers, with thunderstorms also possible after 2pm. Some of the storms could produce heavy rainfall. Patchy fog before 2pm. Seas around 2 ft. Tonight: E wind around 6 kt becoming variable and less than 5 kt after midnight. A chance of showers and thunderstorms. Patchy fog after 9pm. Seas around 1 ft. Thursday: ENE wind 9 to 12 kt becoming SE in the morning. Showers likely and possibly a thunderstorm before 11am, then showers likely between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Patchy fog. Seas 1 to 2 ft. Thursday Night: ESE wind around 11 kt becoming NW after midnight. A chance of showers and thunderstorms. Patchy fog before 9pm. Seas around 2 ft. Friday: NNE wind 8 to 10 kt becoming ESE in the afternoon. A chance of showers, mainly before 10am. Seas 1 to 2 ft. Friday Night: SE wind 5 to 9 kt becoming E after midnight. Mostly cloudy. Seas around 1 ft. Saturday: E wind 5 to 8 kt becoming SE in the afternoon. Mostly cloudy. Seas around 1 ft. Saturday Night: SSE wind around 6 kt. Mostly cloudy. Seas around 1 ft. Sunday: S wind 6 to 10 kt. Partly sunny. Seas around 1 ft. | |
| Marine Point Forecast: 41.55°N 70.79°W Associated Zone Forecast which includes this point | |
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