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6NM SSE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 10:23 pm EDT Oct 20, 2026
Forecast Valid: 1am EDT Oct 21, 2026-6pm EDT Oct 27, 2026

Wednesday

NE wind around 10 kt, with gusts as high as 20 kt. Mostly sunny. Seas around 5 ft.

Wednesday Night

NE wind 5 to 10 kt becoming N in the evening. Mostly cloudy. Seas around 5 ft.

Thursday

N wind 5 to 10 kt. Mostly sunny. Seas around 5 ft.

Thursday Night

N wind around 10 kt. Mostly clear. Seas 4 to 5 ft.

Friday

N wind around 10 kt. Sunny. Seas around 4 ft.

Friday Night

Variable winds 5 kt or less. Mostly clear. Seas around 3 ft.

Saturday

Variable winds 5 kt or less. Sunny. Seas around 3 ft.

Saturday Night

Variable winds 5 kt or less. Clear. Seas around 3 ft.

Sunday

Variable winds 5 kt or less. Sunny. Seas 2 to 3 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.