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Gray/Portland, ME Local Forecast Office

4NM ESE Portland ME

Marine Point Forecast

[NOTICE]

Sunday
High: 71 °F
⇑S 15kt
1ft
Sunday Night
Low: 64 °F
S 15kt⇓
1ft
Monday
High: 71 °F
⇑S 20kt
1ft
Monday Night
Low: 64 °F
SSW 15kt
1ft
Tuesday
High: 74 °F
W 10kt
1ft
Tuesday Night
Low: 63 °F
SW 10kt⇓
1ft
Wednesday
High: 72 °F
⇑S 10kt
1ft
Wednesday Night
Low: 65 °F
SW 10kt
1ft
Thursday
High: 75 °F
⇑S 10kt
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:40 am EDT Aug 2, 2026
Forecast Valid: 2am EDT Aug 2, 2026-6pm EDT Aug 8, 2026

View Nearby Observations

Detailed Forecast

Sunday

S wind 5 to 10 kt increasing to 10 to 15 kt in the afternoon. Winds could gust as high as 20 kt. Mostly cloudy. Seas around 1 ft.

Sunday Night

S wind 12 to 15 kt decreasing to 10 to 13 kt after midnight. Winds could gust as high as 20 kt. A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 5am, then a chance of showers and thunderstorms after 5am. Areas of fog after 4am. Seas around 1 ft.

Monday

S wind 15 to 18 kt increasing to 17 to 20 kt in the afternoon. Showers and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then showers and possibly a thunderstorm after 5pm. Areas of fog before 9am. Seas around 1 ft.

Monday Night

SSW wind 10 to 15 kt becoming W after midnight. Showers likely before 8pm. Seas around 1 ft.

Tuesday

W wind 5 to 10 kt. Sunny. Seas around 1 ft.

Tuesday Night

SW wind 5 to 10 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas around 1 ft.

Wednesday

Variable winds less than 5 kt becoming S 5 to 10 kt in the afternoon. Mostly sunny. Seas around 1 ft.

Wednesday Night

SW wind 5 to 10 kt. Partly cloudy. Seas around 1 ft.

Thursday

S wind 5 to 8 kt increasing to 7 to 10 kt in the afternoon. Mostly sunny. 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.