For More Weather Information:

Gray/Portland, ME Local Forecast Office

4NM ESE Portland ME

Marine Point Forecast

[NOTICE]

Today
High: 72 °F
⇑S 20kt
1-2ft
Tonight
Low: 64 °F
SSW 25kt⇓
2ft
Sunday
High: 73 °F
NW 15kt
2ft
Sunday Night
Low: 60 °F
W 10kt
1ft
Monday
High: 71 °F
⇑S 10kt
1ft
Monday Night
Low: 61 °F
SSW 10kt
1-2ft
Tuesday
High: 68 °F
⇑SSE 20kt
1-2ft
Tuesday Night
Low: 62 °F
SSE 15kt
2ft
Wednesday
High: 70 °F
S 15kt
2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 7:01 am EDT Jul 18, 2026
Forecast Valid: 8am EDT Jul 18, 2026-6pm EDT Jul 24, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON

Today

S wind 5 to 10 kt increasing to 15 to 20 kt. Winds could gust as high as 25 kt. A chance of showers and thunderstorms, mainly after 5pm. Patchy smoke after 2pm. Seas 1 to 2 ft.

Tonight

SSW wind 20 to 25 kt decreasing to 15 to 20 kt after midnight. A chance of showers and thunderstorms, mainly before 11pm. Areas of smoke before 2am. Seas around 2 ft.

Sunday

NW wind around 15 kt. Sunny. Seas around 2 ft.

Sunday Night

W wind around 10 kt. Clear. Seas around 1 ft.

Monday

W wind 5 to 8 kt becoming S 7 to 10 kt in the afternoon. Sunny. Seas around 1 ft.

Monday Night

SSW wind around 10 kt. Partly cloudy. Seas 1 to 2 ft.

Tuesday

SSE wind 10 to 15 kt increasing to 15 to 20 kt in the afternoon. A chance of showers after 5pm. Seas 1 to 2 ft.

Tuesday Night

SSE wind around 15 kt, with gusts as high as 20 kt. Showers and thunderstorms likely before 11pm, then showers and possibly a thunderstorm between 11pm and 2am, then showers after 2am. Seas around 2 ft.

Wednesday

S wind around 15 kt. Showers, with thunderstorms also possible after 2pm. 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.