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18NM NNE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:52 am EDT May 9, 2025
Forecast Valid: 6am EDT May 9, 2025-6pm EDT May 15, 2025

Today

NE wind around 10 kt. Showers likely, mainly after 3pm. Seas 1 ft or less.

Tonight

Variable winds 5 kt or less. Rain. Seas 1 ft or less.

Saturday

NE wind 5 to 10 kt becoming NNW in the afternoon. Rain likely before noon, then scattered showers after noon. Seas 1 ft or less.

Saturday Night

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

Sunday

NW wind 5 to 10 kt. Sunny. Seas 1 ft or less.

Sunday Night

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

Monday

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

Monday Night

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

Tuesday

Variable winds 5 kt or less. 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.