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9NM ESE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:25 am EDT Jul 12, 2026
Forecast Valid: 3am EDT Jul 12, 2026-6pm EDT Jul 18, 2026

Sunday

Variable winds 5 kt or less. Sunny. Seas around 1 ft.

Sunday Night

S wind 5 to 10 kt becoming SSW after midnight. Mostly clear. Seas around 1 ft.

Monday

SSW wind 5 to 8 kt becoming S 10 to 15 kt in the afternoon. Sunny. Seas 1 to 2 ft.

Monday Night

SW wind 10 to 15 kt. Mostly clear. Seas 2 to 3 ft.

Tuesday

SW wind 10 to 15 kt. Sunny. Seas around 2 ft.

Tuesday Night

WSW wind around 15 kt. Partly cloudy. Seas 2 to 3 ft.

Wednesday

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

Wednesday Night

W wind 5 to 10 kt. Partly cloudy. Seas around 1 ft.

Thursday

Variable winds 5 kt or less. Sunny. Seas around 1 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.