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6NM SSE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 8:21 pm EDT Oct 5, 2025
Forecast Valid: 12am EDT Oct 6, 2025-6pm EDT Oct 12, 2025

Overnight

Variable winds 5 kt or less. Mostly clear. Seas around 2 ft.

Monday

SW wind 5 to 10 kt. Sunny. Seas around 2 ft.

Monday Night

SW wind 5 to 10 kt. Mostly clear. Seas around 2 ft.

Tuesday

SSW wind 5 to 10 kt. Mostly sunny. Seas around 2 ft.

Tuesday Night

SSW wind around 10 kt. Showers likely, mainly after 1am. Seas around 2 ft.

Wednesday

SW wind around 10 kt becoming N in the afternoon. Showers, mainly before 4pm. Seas 1 to 2 ft.

Wednesday Night

NNW wind around 10 kt. A chance of showers before 10pm. Seas around 1 ft.

Thursday

NNW wind 5 to 10 kt. Sunny. Seas 1 to 2 ft.

Thursday Night

Variable winds 5 kt or less. Mostly clear. Seas 1 to 2 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.