News Headlines

For More Weather Information:

Gray/Portland, ME Local Forecast Office

8NM SE Portsmouth NH

Marine Point Forecast

[NOTICE]

Tonight
Low: 56 °F
⇑ESE 15kt
1-2ft
Tuesday
High: 63 °F
SSE 10kt
1-2ft
Tuesday Night
Low: 58 °F
Light Wind
1-2ft
Wednesday
High: 70 °F
Light Wind
1ft
Wednesday Night
Low: 60 °F
Light Wind
1ft
Thursday
High: 68 °F
⇑SE 10kt
1ft
Thursday Night
Low: 60 °F
SSE 10kt
1ft
Friday
High: 68 °F
S 10kt
1ft
Friday Night
Low: 61 °F
Light Wind
1-2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 7:29 pm EDT Jun 22, 2026
Forecast Valid: 8pm EDT Jun 22, 2026-6pm EDT Jun 29, 2026

View Nearby Observations

Detailed Forecast

Tonight

SE wind 5 to 8 kt becoming ESE 10 to 15 kt after midnight. Showers and possibly a thunderstorm. Patchy fog after 4am. Seas 1 to 2 ft.

Tuesday

SSE wind 5 to 10 kt becoming NNW in the afternoon. Showers and possibly a thunderstorm before noon, then a chance of showers. Patchy fog between 7am and 8am. Seas 1 to 2 ft.

Tuesday Night

Variable winds 5 kt or less. A slight chance of showers before 8pm. Seas 1 to 2 ft.

Wednesday

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

Wednesday Night

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

Thursday

WNW wind 5 to 8 kt becoming SE 7 to 10 kt in the afternoon. Mostly sunny. Seas around 1 ft.

Thursday Night

SSE wind around 10 kt becoming SSW after midnight. A chance of showers after midnight. Seas around 1 ft.

Friday

S wind around 10 kt. Showers likely, with thunderstorms also possible after 2pm. Seas around 1 ft.

Friday Night

Variable winds 5 kt or less. A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 11pm. Seas 1 to 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.