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Gray/Portland, ME Local Forecast Office

4NM ESE Portland ME

Marine Point Forecast

[NOTICE]

Late Afternoon
High: 58 °F
NE 20kt
3ft
Tonight
Low: 54 °F
NE 20kt
2-3ft
Monday
High: 56 °F
NE 20kt
2ft
Monday Night
Low: 55 °F
NNE 15kt
2ft
Tuesday
High: 60 °F
N 10kt
2ft
Tuesday Night
Low: 56 °F
Light Wind
2ft
Wednesday
High: 62 °F
Light Wind
2ft
Wednesday Night
Low: 56 °F
Light Wind
1ft
Thursday
High: 66 °F
⇑S 10kt
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:26 pm EDT Sep 27, 2026
Forecast Valid: 5pm EDT Sep 27, 2026-6pm EDT Oct 4, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING...

Late Afternoon

NE wind around 20 kt, with gusts as high as 30 kt. Rain. Seas around 3 ft.

Tonight

NE wind around 20 kt, with gusts as high as 30 kt. Rain before 8pm, then rain and possibly a thunderstorm between 8pm and 2am, then rain after 2am. Seas 2 to 3 ft.

Monday

NE wind around 20 kt, with gusts as high as 30 kt. Rain, with thunderstorms also possible after 5pm. Seas around 2 ft.

Monday Night

NNE wind 10 to 15 kt, with gusts as high as 25 kt. Rain, mainly before 3am. Seas around 2 ft.

Tuesday

N wind around 10 kt. A chance of rain before 8am. Seas around 2 ft.

Tuesday Night

Variable winds 5 kt or less. Mostly cloudy. Seas around 2 ft.

Wednesday

Variable winds 5 kt or less. Partly sunny. Seas around 2 ft.

Wednesday Night

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

Thursday

Variable winds less than 5 kt becoming S 5 to 10 kt 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.