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Gray/Portland, ME Local Forecast Office

4NM ESE Portland ME

Marine Point Forecast

[NOTICE]

Today
High: 74 °F
W 15kt
2ft
Tonight
Low: 51 °F
NNW 15kt
1-2ft
Thursday
High: 57 °F
NNW 15kt⇓
1ft
Thursday Night
Low: 46 °F
NNW 10kt
1ft
Friday
High: 56 °F
⇑SSW 15kt
1ft
Friday Night
Low: 48 °F
SSW 10kt⇓
1-2ft
Saturday
High: 54 °F
SSE 10kt
1ft
Saturday Night
Low: 47 °F
Light Wind
1ft
Sunday
High: 52 °F
ESE 10kt
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:46 am EDT May 20, 2026
Forecast Valid: 11am EDT May 20, 2026-6pm EDT May 26, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON TODAY TO 6 PM EDT THIS

Today

W wind 10 to 15 kt, with gusts as high as 25 kt. A slight chance of showers between 1pm and 3pm, then a slight chance of showers and thunderstorms after 3pm. Seas around 2 ft.

Tonight

NNW wind 10 to 15 kt. Mostly cloudy. Seas 1 to 2 ft.

Thursday

NNW wind 10 to 15 kt becoming NW 5 to 8 kt in the afternoon. Mostly cloudy, then gradually becoming sunny. Seas around 1 ft.

Thursday Night

WNW wind 5 to 10 kt becoming NNW after midnight. Mostly clear. Seas around 1 ft.

Friday

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

Friday Night

SSW wind 7 to 10 kt becoming W 5 to 8 kt in the evening. Mostly cloudy. Seas 1 to 2 ft.

Saturday

NNE wind 5 to 10 kt becoming SSE in the afternoon. Mostly cloudy. Seas around 1 ft.

Saturday Night

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

Sunday

ESE wind 5 to 10 kt. Mostly cloudy. Seas around 1 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.