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6NM SSE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:20 pm EDT Oct 10, 2026
Forecast Valid: 8pm EDT Oct 10, 2026-6pm EDT Oct 17, 2026

Tonight

Variable winds 5 kt or less. Mostly cloudy. Seas around 1 ft.

Sunday

Variable winds 5 kt or less. Increasing clouds. Seas around 1 ft.

Sunday Night

Variable winds 5 kt or less. Rain, mainly before 5am. Seas around 1 ft.

Columbus Day

Variable winds 5 kt or less. Showers likely before 8am. Seas 1 to 2 ft.

Monday Night

Variable winds less than 5 kt becoming NE 5 to 10 kt after midnight. Mostly cloudy. Seas around 2 ft.

Tuesday

ENE wind around 10 kt becoming ESE in the afternoon. A chance of showers after 8am. Seas 2 to 3 ft.

Tuesday Night

SSE wind around 10 kt becoming SSW after midnight. Showers. Seas 3 to 4 ft.

Wednesday

WSW wind around 10 kt becoming WNW in the afternoon. A chance of showers. Seas around 4 ft.

Wednesday Night

NW wind 5 to 10 kt. Partly cloudy. Seas 3 to 4 ft.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.