For More Weather Information:

6NM SSE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 6:52 pm EDT Oct 16, 2026
Forecast Valid: 11pm EDT Oct 16, 2026-6pm EDT Oct 23, 2026

Overnight

WSW wind 10 to 15 kt becoming WNW after midnight. Increasing clouds. Seas 2 to 3 ft.

Saturday

NW wind around 10 kt. Cloudy through mid morning, then gradual clearing. Seas around 2 ft.

Saturday Night

NNW wind 5 to 10 kt. Clear. Seas around 1 ft.

Sunday

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

Sunday Night

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

Monday

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

Monday Night

Variable winds 5 kt or less. Mostly cloudy. Seas 3 ft building to 5 ft.

Tuesday

NNE wind 5 to 10 kt. Partly sunny. Seas around 6 ft.

Tuesday Night

NNE wind 5 to 8 kt increasing to 7 to 10 kt after midnight. Partly cloudy. Seas 5 to 6 ft.

Winds and seas higher in and near tstms.

*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.