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Gray/Portland, ME Local Forecast Office

3NM SE Portsmouth NH

Marine Point Forecast

[NOTICE]

Veterans Day
High: 51 °F
WNW 10kt⇓
< 1ft
Tonight
Low: 42 °F
Light Wind
< 1ft
Thursday
High: 50 °F
⇑E 15kt
< 1ft
Thursday Night
Low: 38 °F
ENE 20kt
< 1ft
Friday
High: 44 °F
NNE 20kt
< 1ft
Friday Night
Low: 37 °F
N 20kt
< 1ft
Saturday
High: 45 °F
NNW 10kt
< 1ft
Saturday Night
Low: 36 °F
NW 10kt
< 1ft
Sunday
High: 49 °F
NW 10kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:27 am EST Nov 11, 2026
Forecast Valid: 5am EST Nov 11, 2026-6pm EST Nov 17, 2026

View Nearby Observations

Detailed Forecast

Veterans Day

WNW wind 7 to 10 kt decreasing to 5 to 8 kt in the afternoon. Winds could gust as high as 20 kt. Mostly sunny. Seas 1 ft or less.

Tonight

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

Thursday

E wind 5 to 10 kt increasing to 10 to 15 kt in the afternoon. Winds could gust as high as 25 kt. A chance of rain, mainly after 4pm. Seas 1 ft or less.

Thursday Night

ENE wind 15 to 20 kt, with gusts as high as 35 kt. Rain, mainly after 7pm. Seas 1 ft or less.

Friday

NNE wind around 20 kt, with gusts as high as 35 kt. Rain. Seas 1 ft or less.

Friday Night

N wind 15 to 20 kt, with gusts as high as 30 kt. Rain likely, mainly before 8pm. Seas 1 ft or less.

Saturday

NNW wind around 10 kt, with gusts as high as 20 kt. A chance of rain before 1pm. Seas 1 ft or less.

Saturday Night

NW wind 5 to 10 kt. Mostly cloudy. Seas 1 ft or less.

Sunday

NW wind around 10 kt. Mostly sunny. 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.