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Gray/Portland, ME Local Forecast Office

9NM ESE Portsmouth NH

Marine Point Forecast

[NOTICE]

This Afternoon
High: 33 °F
N 40kt
15ft
Tonight
Low: 25 °F
N 25kt⇓
14ft
Tuesday
High: 30 °F
WNW 20kt
5ft
Tuesday Night
Low: 21 °F
WNW 15kt
2-3ft
Wednesday
High: 38 °F
⇑S 20kt
2-3ft
Wednesday Night
Low: 32 °F
SW 15kt
2-3ft
Thursday
High: 38 °F
W 15kt⇓
2ft
Thursday Night
Low: 31 °F
NNE 15kt
2ft
Friday
High: 38 °F
NNE 15kt⇓
2-3ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:40 pm EST Feb 23, 2026
Forecast Valid: 3pm EST Feb 23, 2026-6pm EST Mar 2, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

N wind around 40 kt, with gusts as high as 55 kt. Snow. Seas around 15 ft.

Tonight

N wind 22 to 25 kt becoming NW 20 to 23 kt after midnight. Winds could gust as high as 35 kt. Snow, mainly before 8pm. Seas 14 ft subsiding to 5 ft.

Tuesday

WNW wind 15 to 20 kt, with gusts as high as 25 kt. Mostly sunny. Seas 5 ft subsiding to 3 ft.

Tuesday Night

WNW wind 10 to 15 kt becoming WSW after midnight. Increasing clouds. Seas 2 to 3 ft.

Wednesday

S wind 10 to 15 kt increasing to 15 to 20 kt in the morning. Snow before noon, then rain and snow between noon and 2pm, then rain likely after 2pm. Seas 2 to 3 ft.

Wednesday Night

SW wind 10 to 15 kt, with gusts as high as 20 kt. A chance of rain before 7pm. Seas 2 to 3 ft.

Thursday

W wind 12 to 15 kt decreasing to 10 to 13 kt in the afternoon. Winds could gust as high as 25 kt. Mostly sunny. Seas around 2 ft.

Thursday Night

SW wind 10 to 15 kt becoming NE after midnight. Snow likely. Seas around 2 ft.

Friday

NNE wind 12 to 15 kt becoming NNW 10 to 13 kt in the morning. Winds could gust as high as 20 kt. A chance of snow. Seas 2 to 3 ft.

*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.