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6NM SSE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 6:15 am EDT Sep 1, 2025
Forecast Valid: 10am EDT Sep 1, 2025-6pm EDT Sep 7, 2025

Labor Day

Variable winds 5 kt or less. Partly sunny. Seas around 2 ft.

Tonight

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

Tuesday

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

Tuesday Night

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

Wednesday

Variable winds 5 kt or less. Sunny. Seas around 2 ft.

Wednesday Night

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

Thursday

SSW wind 5 to 8 kt becoming SSE 7 to 10 kt in the afternoon. Sunny. Seas around 3 ft.

Thursday Night

S wind 5 to 10 kt. Partly cloudy. Seas around 3 ft.

Friday

SSE wind 5 to 10 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.