| NWS Forecast for: 6NM SSE Portsmouth NH Atlantic Ocean Issued by: National Weather Service Gray/Portland, ME Last Update: 2:23 pm EDT Aug 15, 2026 |  |
| Tonight: S wind 7 to 10 km/h becoming W 5 to 8 km/h in the evening. Mostly clear. Seas 1 m or less. Sunday: NNE wind 5 to 8 km/h becoming SE 10 to 15 km/h in the afternoon. Mostly sunny. Seas 1 m or less. Sunday Night: S wind around 15 km/h. A chance of rain, mainly after 5am. Seas 1 m or less. Monday: S wind 15 to 20 km/h. Rain before noon, then showers, mainly after noon. Seas around 1 m. Monday Night: E wind around 10 km/h becoming N after midnight. A chance of showers before 11pm. Seas around 1 m. Tuesday: N wind 5 to 10 km/h becoming E in the afternoon. Mostly sunny. Seas around 1 m. Tuesday Night: Variable winds 5 km/h or less. Mostly clear. Seas around 1 m. Wednesday: Variable winds less than 5 km/h becoming SSE 10 to 15 km/h in the afternoon. Mostly sunny. Seas around 1 m. Wednesday Night: S wind around 10 km/h becoming WSW after midnight. Partly cloudy. Seas around 1 m. | |
| 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/ |
