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6NM SSE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:19 pm EDT Jun 15, 2026
Forecast Valid: 4pm EDT Jun 15, 2026-6pm EDT Jun 22, 2026

Tonight

NW wind 5 to 10 kt. Mostly clear. 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 around 2 ft.

Wednesday

Variable winds less than 5 kt becoming SSE 5 to 10 kt in the afternoon. Mostly sunny. Seas 1 to 2 ft.

Wednesday Night

S wind 5 to 10 kt. Partly cloudy. Seas around 2 ft.

Thursday

SSE wind 5 to 10 kt increasing to 10 to 15 kt in the afternoon. Showers likely, mainly after 2pm. Seas 2 to 3 ft.

Thursday Night

SSW wind around 10 kt becoming WSW in the evening. Showers likely, mainly before 8pm. Seas 3 to 4 ft.

Juneteenth

W wind around 10 kt. Mostly sunny. Seas around 2 ft.

Friday Night

W wind around 10 kt. Partly cloudy. 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.