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6NM SSE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 8:35 pm EDT Jun 21, 2026
Forecast Valid: 12am EDT Jun 22, 2026-6pm EDT Jun 28, 2026

Overnight

Variable winds 5 kt or less. Patchy fog after 4am. Seas around 1 ft.

Monday

Variable winds 5 kt or less. A chance of showers, mainly after 3pm. Seas around 1 ft.

Monday Night

ESE wind 5 to 10 kt becoming SSE after midnight. Rain and possibly a thunderstorm. Patchy fog after 4am. Seas around 1 ft.

Tuesday

Variable winds 5 kt or less. Showers, mainly before 1pm. Patchy fog before 9am. Seas around 2 ft.

Tuesday Night

Variable winds 5 kt or less. Patchy fog after midnight. 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 2 ft.

Thursday

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

Thursday Night

Variable winds 5 kt or less. A chance of showers. Seas around 2 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.