| NWS Forecast for: 6NM SSE Portsmouth NH Atlantic Ocean Issued by: National Weather Service Gray/Portland, ME Last Update: 6:41 pm EDT Jul 20, 2026 |  |
| Tonight: SSW wind around 10 kt. Partly cloudy. Seas around 2 ft. Tuesday: SSE wind 10 to 15 kt, with gusts as high as 20 kt. Increasing clouds. Seas 1 to 2 ft. Tuesday Night: S wind 10 to 15 kt, with gusts as high as 20 kt. Showers and thunderstorms, mainly before 1am, then a chance of thunderstorms after 4am. Seas around 3 ft. Wednesday: SSW wind 5 to 10 kt. Showers likely, with thunderstorms also possible after 5pm. Seas around 3 ft. Wednesday Night: Variable winds 5 kt or less. Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 8pm. Seas around 3 ft. Thursday: Variable winds 5 kt or less. Sunny. Seas around 2 ft. Thursday Night: Variable winds 5 kt or less. Mostly clear. Seas around 2 ft. Friday: Variable winds 5 kt or less. Sunny. Seas around 2 ft. Friday Night: Variable winds 5 kt or less. Mostly clear. Seas around 2 ft. | |
| Marine Point Forecast: 42.98°N 70.74°W Associated Zone Forecast which includes this point | |
Visit your local NWS office at: https://www.weather.gov/gyx/ |
