News Headlines

For More Weather Information:

Gray/Portland, ME Local Forecast Office

3NM SE Portsmouth NH

Marine Point Forecast

[NOTICE]

Tonight
Low: 30 °F
WSW 10kt
< 1ft
Wednesday
High: 38 °F
W 10kt
< 1ft
Wednesday Night
Low: 27 °F
N 10kt
< 1ft
Thursday
High: 39 °F
N 10kt
< 1ft
Thursday Night
Low: 27 °F
Light Wind
< 1ft
Friday
High: 39 °F
E 10kt
< 1ft
Friday Night
Low: 30 °F
E 10kt
< 1ft
Saturday
High: 36 °F
ENE 10kt
< 1ft
Saturday Night
Low: 26 °F
Light Wind
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 8:06 pm EST Feb 17, 2026
Forecast Valid: 9pm EST Feb 17, 2026-6pm EST Feb 24, 2026

View Nearby Observations

Detailed Forecast

Tonight

SW wind 5 to 10 kt becoming W after midnight. Mostly cloudy. Seas 1 ft or less.

Wednesday

W wind 5 to 10 kt becoming N in the afternoon. A chance of rain before 4pm, then a chance of snow between 4pm and 5pm, then a chance of rain and snow after 5pm. Seas 1 ft or less.

Wednesday Night

N wind 5 to 10 kt, with gusts as high as 20 kt. Snow likely, mainly before midnight. Seas 1 ft or less.

Thursday

N wind 5 to 10 kt becoming S in the afternoon. Mostly sunny. Seas 1 ft or less.

Thursday Night

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

Friday

N wind 5 to 10 kt becoming E in the afternoon. A chance of snow after 1pm. Seas 1 ft or less.

Friday Night

E wind around 10 kt becoming NE after midnight. Rain and snow. Seas 1 ft or less.

Saturday

ENE wind 5 to 10 kt. A chance of rain and snow before 7am, then a chance of snow. Seas 1 ft or less.

Saturday Night

Variable winds 5 kt or less. A chance of snow. 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.