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3NM SE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 5:23 am EDT Jun 24, 2026
Forecast Valid: 10am EDT Jun 24, 2026-6pm EDT Jun 30, 2026

Today

WNW wind 5 to 10 kt. Mostly sunny. Seas 1 ft or less.

Tonight

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

Thursday

W wind 5 to 10 kt becoming SSE in the afternoon. Mostly sunny. Seas 1 ft or less.

Thursday Night

Variable winds 5 kt or less. A chance of showers after 1am. Seas 1 ft or less.

Friday

SSW wind 5 to 10 kt. Showers likely. Seas 1 ft or less.

Friday Night

Variable winds 5 kt or less. A chance of showers before 8pm. Seas 1 ft or less.

Saturday

Variable winds 5 kt or less. Partly sunny. Seas 1 ft or less.

Saturday Night

Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.

Sunday

Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.

*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.