| NWS Forecast for: 10NM S Portsmouth NH Atlantic Ocean Issued by: National Weather Service Gray/Portland, ME Last Update: 1:50 pm EDT Jul 14, 2025 | |
| Late Afternoon: SSE wind around 10 kt. Scattered showers and thunderstorms. Seas around 1 ft. Tonight: Variable winds 5 kt or less. Showers likely and possibly a thunderstorm before 7pm, then scattered showers and thunderstorms between 7pm and 11pm, then isolated showers after 11pm. Some of the storms could produce heavy rainfall. Seas 1 to 2 ft. Tuesday: Variable winds 5 kt or less. A slight chance of showers after 2pm. Seas 1 to 2 ft. Tuesday Night: Variable winds 5 kt or less. Patchy fog between 3am and 4am, then Patchy fog after 5am. Seas around 1 ft. Wednesday: Variable winds 5 kt or less. Patchy fog between 7am and 8am. Seas around 1 ft. Wednesday Night: SSW wind 5 to 10 kt. Patchy fog. Seas around 1 ft. Thursday: S wind 5 to 10 kt. A chance of showers and thunderstorms after 2pm. Patchy fog before 10am. Seas around 1 ft. Thursday Night: Variable winds 5 kt or less. A chance of showers and thunderstorms before 8pm. Patchy fog. Seas around 1 ft. Friday: Variable winds 5 kt or less. A chance of showers. Patchy fog before 10am. Seas around 1 ft. | |
| Marine Point Forecast: 42.9°N 70.79°W Associated Zone Forecast which includes this point | |
Visit your local NWS office at: https://www.weather.gov/gyx/ |