For More Weather Information:

Gray/Portland, ME Local Forecast Office

4NM E Portsmouth NH

Marine Point Forecast

[NOTICE]

Today
High: 42 °F
ENE 15kt
1ft
Tonight
Low: 41 °F
⇑SSW 15kt
1ft
Thursday
High: 47 °F
W 15kt
1ft
Thursday Night
Low: 30 °F
WNW 15kt
1ft
Friday
High: 42 °F
SSW 15kt
1ft
Friday Night
Low: 36 °F
S 20kt
1ft
Saturday
High: 44 °F
W 20kt
1ft
Saturday Night
Low: 29 °F
W 15kt⇓
1ft
Sunday
High: 42 °F
SSE 10kt
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 8:25 am EDT Mar 11, 2026
Forecast Valid: 10am EDT Mar 11, 2026-6pm EDT Mar 17, 2026

View Nearby Observations

Detailed Forecast

Today

ENE wind 10 to 15 kt. A chance of showers, mainly after 2pm. Areas of fog between 1pm and 2pm, then Patchy fog after 3pm. Seas around 1 ft.

Tonight

SE wind 5 to 8 kt becoming SSW 10 to 15 kt after midnight. Winds could gust as high as 20 kt. A chance of showers before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then a chance of showers after 2am. Areas of dense fog. Seas around 1 ft.

Thursday

W wind around 15 kt, with gusts as high as 25 kt. A chance of rain. Patchy dense fog before 9am. Seas around 1 ft.

Thursday Night

WNW wind around 15 kt, with gusts as high as 20 kt. A chance of snow between 7pm and 8pm. Seas around 1 ft.

Friday

W wind 10 to 15 kt becoming SSW in the afternoon. Mostly sunny. Seas around 1 ft.

Friday Night

S wind 15 to 20 kt. A chance of rain and snow between 8pm and 9pm, then a chance of rain after 9pm. Seas around 1 ft.

Saturday

W wind around 20 kt, with gusts as high as 30 kt. Partly sunny. Seas around 1 ft.

Saturday Night

W wind 12 to 15 kt decreasing to 10 to 13 kt after midnight. Winds could gust as high as 25 kt. Partly cloudy. Seas around 1 ft.

Sunday

WNW wind 5 to 10 kt becoming ESE in the afternoon. Mostly cloudy. Seas around 1 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.