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8NM SE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:03 pm EDT May 16, 2026
Forecast Valid: 2pm EDT May 16, 2026-6pm EDT May 22, 2026

This Afternoon

S wind around 10 kt. Sunny. Seas around 2 ft.

Tonight

SSW wind around 15 kt. A chance of showers before midnight, then a chance of showers after 2am. Seas 2 to 3 ft.

Sunday

WSW wind around 10 kt becoming WNW in the afternoon. Sunny. Seas around 2 ft.

Sunday Night

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

Monday

E wind 5 to 8 kt becoming SSE 7 to 10 kt in the afternoon. Mostly sunny. Seas around 1 ft.

Monday Night

SSW wind 10 to 15 kt. Mostly clear. Seas around 2 ft.

Tuesday

SSW wind around 10 kt. Mostly sunny. Seas 1 to 2 ft.

Tuesday Night

SW wind 10 to 15 kt. Partly cloudy. Seas around 2 ft.

Wednesday

SW wind 10 to 15 kt. Showers likely. Seas around 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.