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9NM ESE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:04 pm EDT Aug 4, 2025
Forecast Valid: 5pm EDT Aug 4, 2025-6pm EDT Aug 11, 2025

Tonight

SSE wind 5 to 10 kt becoming N after midnight. Areas of smoke before 11pm, then Areas of smoke after 1am. Seas around 1 ft.

Tuesday

NE wind around 10 kt. Partly sunny. Seas around 1 ft.

Tuesday Night

Variable winds 5 kt or less. Mostly cloudy. Seas around 1 ft.

Wednesday

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

Wednesday Night

Variable winds 5 kt or less. Mostly cloudy. Seas around 1 ft.

Thursday

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

Thursday Night

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

Friday

SW wind 5 to 10 kt becoming SSE in the afternoon. Sunny. Seas around 1 ft.

Friday Night

SSW wind 5 to 10 kt. 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.