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Gray/Portland, ME Local Forecast Office

4NM ESE Portland ME

Marine Point Forecast

[NOTICE]

Sunday
High: 40 °F
NW 10kt⇓
1-2ft
Sunday Night
Low: 38 °F
SSE 15kt
2ft
Monday
High: 45 °F
⇑S 20kt
7ft
Monday Night
Low: 35 °F
⇑S 30kt
12ft
Tuesday
High: 44 °F
WSW 20kt
11ft
Tuesday Night
Low: 40 °F
W 25kt⇓
7-8ft
Wednesday
High: 34 °F
W 15kt⇓
2ft
Wednesday Night
Low: 22 °F
SSW 10kt
2ft
Thursday
High: 39 °F
⇑S 15kt
2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:10 am EDT Mar 15, 2026
Forecast Valid: 1am EDT Mar 15, 2026-6pm EDT Mar 21, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT SUNDAY...

Sunday

NW wind 7 to 10 kt becoming N 5 to 8 kt in the morning. Mostly sunny. Seas 1 to 2 ft.

Sunday Night

SSE wind 10 to 15 kt, with gusts as high as 20 kt. A slight chance of rain after 5am. Seas around 2 ft.

Monday

SSE wind 15 to 18 kt becoming S 17 to 20 kt in the afternoon. Winds could gust as high as 30 kt. Rain, with thunderstorms also possible after 2pm. Seas 4 ft building to 7 ft.

Monday Night

S wind 25 to 28 kt increasing to 27 to 30 kt after midnight. Winds could gust as high as 45 kt. Rain. Seas 10 ft building to 12 ft.

Tuesday

WSW wind around 20 kt, with gusts as high as 30 kt. Showers likely before 8am. Seas 11 ft subsiding to 9 ft.

Tuesday Night

W wind 20 to 25 kt decreasing to 15 to 20 kt after midnight. Winds could gust as high as 30 kt. Mostly clear. Seas 7 to 8 ft.

Wednesday

W wind 12 to 15 kt decreasing to 10 to 13 kt in the afternoon. Winds could gust as high as 20 kt. Sunny. Seas around 2 ft.

Wednesday Night

WSW wind 5 to 10 kt becoming SSW in the evening. Mostly cloudy. Seas around 2 ft.

Thursday

S wind 10 to 13 kt increasing to 12 to 15 kt in the afternoon. Winds could gust as high as 20 kt. Mostly cloudy. 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.