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Gray/Portland, ME Local Forecast Office

5NM ENE Portland ME

Marine Point Forecast

[NOTICE]

Today
High: 73 °F
⇑S 15kt
1ft
Tonight
Low: 54 °F
N 15kt
1ft
Monday
High: 68 °F
N 10kt
1ft
Monday Night
Low: 57 °F
Light Wind
1ft
Tuesday
High: 65 °F
SE 10kt
1ft
Tuesday Night
Low: 60 °F
Light Wind
1ft
Wednesday
High: 65 °F
SE 10kt
1ft
Wednesday Night
Low: 58 °F
Light Wind
1ft
Thursday
High: 68 °F
ENE 10kt
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:49 am EDT Aug 17, 2025
Forecast Valid: 7am EDT Aug 17, 2025-6pm EDT Aug 23, 2025

View Nearby Observations

Detailed Forecast

Today

S 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 showers and thunderstorms after 3pm. Seas around 1 ft.

Tonight

N wind 10 to 15 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Seas around 1 ft.

Monday

N wind 5 to 10 kt becoming NE in the afternoon. Sunny. Seas around 1 ft.

Monday Night

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

Tuesday

NE wind 5 to 10 kt becoming SE in the afternoon. Partly sunny. Seas around 1 ft.

Tuesday Night

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

Wednesday

SE wind 5 to 10 kt. A chance of showers after 8am. Seas around 1 ft.

Wednesday Night

Variable winds 5 kt or less. A chance of showers. Seas around 1 ft.

Thursday

NNE wind 5 to 10 kt becoming E in the afternoon. Mostly sunny. Seas around 1 ft.

Winds and seas higher in and near tstms.

*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.