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Gray/Portland, ME Local Forecast Office

8NM SE Portsmouth NH

Marine Point Forecast

[NOTICE]

This Afternoon
High: 33 °F
S 10kt
1ft
Tonight
Low: 30 °F
S 15kt
1-2ft
Wednesday
High: 38 °F
⇑WNW 15kt
2ft
Wednesday Night
Low: 28 °F
NW 15kt
2ft
Thursday
High: 34 °F
NW 15kt
2ft
Thursday Night
Low: 24 °F
NW 15kt
2ft
Friday
High: 36 °F
WNW 10kt
1-2ft
Friday Night
Low: 28 °F
W 15kt
2ft
Saturday
High: 37 °F
W 15kt
1-2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:28 pm EST Feb 10, 2026
Forecast Valid: 1pm EST Feb 10, 2026-6pm EST Feb 16, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

S wind 5 to 10 kt. Increasing clouds. Seas around 1 ft.

Tonight

S wind 10 to 15 kt, with gusts as high as 25 kt. Snow, mainly before 2am. The snow could be heavy at times. Seas 1 to 2 ft.

Wednesday

WNW wind 10 to 13 kt increasing to 12 to 15 kt in the afternoon. Winds could gust as high as 20 kt. Mostly cloudy, then gradually becoming sunny. Seas around 2 ft.

Wednesday Night

NW wind around 15 kt, with gusts as high as 25 kt. Mostly cloudy. Seas around 2 ft.

Thursday

NW wind around 15 kt, with gusts as high as 25 kt. Mostly sunny. Seas around 2 ft.

Thursday Night

NW wind around 15 kt, with gusts as high as 25 kt. Mostly clear. Seas around 2 ft.

Friday

WNW wind around 10 kt. Sunny. Seas 1 to 2 ft.

Friday Night

W wind around 15 kt, with gusts as high as 20 kt. Mostly cloudy. Seas around 2 ft.

Saturday

W wind 10 to 15 kt becoming WNW in the afternoon. Winds could gust as high as 20 kt. Mostly sunny. Seas 1 to 2 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.