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Gray/Portland, ME Local Forecast Office

4NM ESE Portland ME

Marine Point Forecast

[NOTICE]

Tonight
Low: 45 °F
S 10kt⇓
1ft
Monday
High: 53 °F
⇑S 10kt
1ft
Monday Night
Low: 42 °F
Light Wind
1ft
Tuesday
High: 52 °F
NNW 10kt
1-2ft
Tuesday Night
Low: 43 °F
Light Wind
3ft
Wednesday
High: 49 °F
⇑SSE 15kt
2-3ft
Wednesday Night
Low: 45 °F
S 20kt
3-4ft
Thursday
High: 50 °F
SSE 15kt
4ft
Thursday Night
Low: 45 °F
ESE 10kt
3-4ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:30 pm EDT May 10, 2026
Forecast Valid: 6pm EDT May 10, 2026-6pm EDT May 17, 2026

View Nearby Observations

Detailed Forecast

Tonight

S wind 7 to 10 kt becoming S 5 to 8 kt in the evening. Scattered showers and thunderstorms before 7pm, then isolated showers between 7pm and 8pm. Seas around 1 ft.

Monday

WNW wind 5 to 8 kt becoming S 7 to 10 kt in the afternoon. Mostly sunny. Seas around 1 ft.

Monday Night

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

Tuesday

NNW wind 5 to 10 kt becoming SSW in the afternoon. Sunny. Seas 1 to 2 ft.

Tuesday Night

Variable winds 5 kt or less. Partly cloudy. Seas around 3 ft.

Wednesday

Variable winds less than 5 kt becoming SSE 10 to 15 kt in the morning. A chance of showers after 4pm. Seas 2 to 3 ft.

Wednesday Night

S wind 15 to 20 kt. Showers, mainly after 9pm. Seas 3 to 4 ft.

Thursday

SSE wind around 15 kt, with gusts as high as 25 kt. Showers. Seas around 4 ft.

Thursday Night

ESE wind 5 to 10 kt becoming NNE after midnight. Showers. Seas 3 to 4 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.