| NWS Forecast for: 21NM E Portsmouth RI Atlantic Ocean Issued by: National Weather Service Norton, MA Last Update: 2:46 pm EDT Jul 11, 2025 | |
| Tonight: S wind around 6 kt becoming variable and less than 5 kt after midnight. Patchy fog. Seas around 1 ft. Saturday: ESE wind 6 to 11 kt. Patchy fog before 11am. Seas around 1 ft. Saturday Night: ESE wind 7 to 9 kt. Patchy fog after 11pm. Seas around 1 ft. Sunday: E wind 8 to 11 kt becoming SE in the afternoon. Partly sunny. Seas 1 to 2 ft. Sunday Night: SSE wind around 8 kt. Mostly cloudy. Seas around 1 ft. Monday: SSW wind 8 to 12 kt. Partly sunny. Seas 1 to 2 ft. Monday Night: SW wind around 10 kt. Mostly cloudy. Seas around 1 ft. Tuesday: SW wind 8 to 13 kt. Mostly sunny. Seas 1 to 2 ft. Tuesday Night: WSW wind 10 to 12 kt. Partly cloudy. Seas 1 to 2 ft. | |
| Marine Point Forecast: 41.55°N 70.79°W Associated Zone Forecast which includes this point | |
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