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Gray/Portland, ME Local Forecast Office

14NM NE Portsmouth NH

Marine Point Forecast

[NOTICE]

Today
High: 76 °F
S 10kt
< 1ft
Tonight
Low: 62 °F
Light Wind
< 1ft
Monday
High: 73 °F
NNW 10kt
< 1ft
Monday Night
Low: 55 °F
Light Wind
< 1ft
Tuesday
High: 72 °F
Light Wind
< 1ft
Tuesday Night
Low: 57 °F
Light Wind
< 1ft
Wednesday
High: 74 °F
Light Wind
< 1ft
Wednesday Night
Low: 64 °F
Light Wind
< 1ft
Thursday
High: 81 °F
S 10kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:21 am EDT Jul 20, 2025
Forecast Valid: 10am EDT Jul 20, 2025-6pm EDT Jul 26, 2025

View Nearby Observations

Detailed Forecast

Today

S wind around 10 kt. Scattered showers and thunderstorms, then rain and possibly a thunderstorm after 5pm. Some of the storms could be severe. Seas 1 ft or less.

Tonight

Variable winds 5 kt or less. Showers and thunderstorms likely, mainly before 8pm. Some of the storms could be severe. Seas 1 ft or less.

Monday

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

Monday Night

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

Tuesday

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

Tuesday Night

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

Wednesday

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

Wednesday Night

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

Thursday

S wind 5 to 10 kt. Mostly sunny. Seas 1 ft or less.

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.