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Gray/Portland, ME Local Forecast Office

4NM ESE Portland ME

Marine Point Forecast

[NOTICE]

Tonight
Low: 60 °F
Light Wind
1ft
Saturday
High: 73 °F
⇑S 20kt
1ft
Saturday Night
Low: 64 °F
S 25kt⇓
1ft
Sunday
High: 73 °F
WNW 15kt
1ft
Sunday Night
Low: 60 °F
W 10kt
1ft
Monday
High: 71 °F
⇑S 15kt
1ft
Monday Night
Low: 61 °F
SSW 15kt
1ft
Tuesday
High: 69 °F
⇑SSE 20kt
1-2ft
Tuesday Night
Low: 63 °F
S 15kt
2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:34 pm EDT Jul 17, 2026
Forecast Valid: 7pm EDT Jul 17, 2026-6pm EDT Jul 24, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY AFTERNOON THROUGH

Tonight

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

Saturday

SSW wind 5 to 8 kt becoming S 15 to 20 kt. A chance of showers, mainly after 3pm. Patchy smoke after 2pm. Seas around 1 ft.

Saturday Night

S wind 20 to 25 kt becoming SW 15 to 20 kt after midnight. Winds could gust as high as 35 kt. Showers and thunderstorms likely, mainly before 1am. Areas of smoke before 2am. Seas around 1 ft.

Sunday

WNW wind around 15 kt, with gusts as high as 20 kt. Partly sunny through mid morning, then becoming sunny. Seas around 1 ft.

Sunday Night

W wind 5 to 10 kt. Mostly clear. Seas around 1 ft.

Monday

W wind 5 to 8 kt becoming S 10 to 15 kt in the afternoon. Sunny. Seas around 1 ft.

Monday Night

SSW wind 10 to 15 kt. Partly cloudy. Seas around 1 ft.

Tuesday

SSE wind 10 to 15 kt increasing to 15 to 20 kt in the afternoon. A chance of showers. Seas 1 to 2 ft.

Tuesday Night

S wind around 15 kt, with gusts as high as 20 kt. Showers likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers after 2am. Seas around 2 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.