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Gray/Portland, ME Local Forecast Office

Portland ME

Marine Point Forecast

[NOTICE]

Overnight
Low: 58 °F
Light Wind
< 1ft
Monday
High: 76 °F
S 10kt
< 1ft
Monday Night
Low: 60 °F
SSW 10kt
< 1ft
Tuesday
High: 71 °F
⇑SSE 15kt
< 1ft
Tuesday Night
Low: 61 °F
SE 15kt
< 1ft
Wednesday
High: 75 °F
S 15kt
< 1ft
Wednesday Night
Low: 61 °F
SW 10kt
< 1ft
Thursday
High: 74 °F
WSW 10kt
< 1ft
Thursday Night
Low: 60 °F
Light Wind
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:16 pm EDT Jul 19, 2026
Forecast Valid: 12am EDT Jul 20, 2026-6pm EDT Jul 26, 2026

View Nearby Observations

Detailed Forecast

Overnight

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

Monday

W wind 5 to 10 kt becoming S in the afternoon. Sunny. Seas 1 ft or less.

Monday Night

SSW wind 5 to 10 kt. Increasing clouds. Seas 1 ft or less.

Tuesday

SSE wind 10 to 13 kt increasing to 12 to 15 kt in the afternoon. Winds could gust as high as 30 kt. Partly sunny. Seas 1 ft or less.

Tuesday Night

SE wind 10 to 15 kt, with gusts as high as 25 kt. A chance of showers and thunderstorms before 9pm, then showers likely and possibly a thunderstorm between 9pm and 11pm, then showers after 11pm. Seas 1 ft or less.

Wednesday

S wind 10 to 15 kt, with gusts as high as 25 kt. Showers likely, then showers and possibly a thunderstorm after 2pm. Seas 1 ft or less.

Wednesday Night

SW wind around 10 kt becoming W after midnight. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 11pm. Seas 1 ft or less.

Thursday

W wind 5 to 10 kt becoming SSW in the afternoon. Mostly sunny. Seas 1 ft or less.

Thursday Night

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

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.