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Gray/Portland, ME Local Forecast Office

23NM S Portland ME

Marine Point Forecast

[NOTICE]

Sunday
High: 50 °F
W 10kt
2-3ft
Sunday Night
Low: 46 °F
WNW 10kt
2ft
Monday
High: 55 °F
⇑SSW 20kt
2-3ft
Monday Night
Low: 48 °F
W 20kt
4ft
Tuesday
High: 53 °F
WNW 25kt
4ft
Tuesday Night
Low: 47 °F
W 20kt
3ft
Wednesday
High: 53 °F
W 15kt
2ft
Wednesday Night
Low: 46 °F
W 20kt
2-3ft
Thursday
High: 49 °F
NW 25kt
3-4ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:40 am EST Nov 2, 2025
Forecast Valid: 3am EST Nov 2, 2025-6pm EST Nov 8, 2025

View Nearby Observations

Detailed Forecast

Sunday

W wind 5 to 10 kt. Sunny. Seas 2 to 3 ft.

Sunday Night

WNW wind 5 to 10 kt becoming WSW after midnight. Mostly clear. Seas around 2 ft.

Monday

SSW wind 10 to 15 kt increasing to 15 to 20 kt in the afternoon. Winds could gust as high as 30 kt. A slight chance of showers before 1pm, then a slight chance of showers after 5pm. Seas 2 to 3 ft.

Monday Night

SSW wind around 20 kt becoming W after midnight. Winds could gust as high as 30 kt. Showers likely before 3am. Seas around 4 ft.

Tuesday

WNW wind 20 to 25 kt, with gusts as high as 35 kt. Sunny. Seas around 4 ft.

Tuesday Night

W wind 15 to 20 kt. Mostly clear. Seas around 3 ft.

Wednesday

W wind around 15 kt becoming SW in the afternoon. Winds could gust as high as 20 kt. Partly sunny. Seas around 2 ft.

Wednesday Night

SW wind 15 to 20 kt becoming W after midnight. Winds could gust as high as 30 kt. Showers likely. Seas 2 to 3 ft.

Thursday

NW wind 20 to 25 kt, with gusts as high as 35 kt. A chance of showers. Seas 3 to 4 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.