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3NM SE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:22 am EDT Jun 16, 2026
Forecast Valid: 3am EDT Jun 16, 2026-6pm EDT Jun 22, 2026

Tuesday

NW wind 5 to 10 kt becoming SW in the afternoon. Sunny. Seas 1 ft or less.

Tuesday Night

S wind 5 to 10 kt becoming WSW after midnight. Mostly clear. Seas 1 ft or less.

Wednesday

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

Wednesday Night

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

Thursday

SSE wind 5 to 10 kt increasing to 10 to 15 kt in the afternoon. Winds could gust as high as 30 kt. Showers, mainly after 10am. Seas 1 ft or less.

Thursday Night

SSW wind 10 to 15 kt becoming WSW after midnight. Winds could gust as high as 25 kt. Showers before midnight. Seas 1 ft or less.

Juneteenth

WSW wind 10 to 15 kt, with gusts as high as 25 kt. Sunny. Seas 1 ft or less.

Friday Night

W wind around 10 kt. Mostly clear. Seas 1 ft or less.

Saturday

W wind around 10 kt, with gusts as high as 20 kt. 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.