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Gray/Portland, ME Local Forecast Office

4NM ESE Portland ME

Marine Point Forecast

[NOTICE]

Today
High: 49 °F
⇑SSE 10kt
1ft
Tonight
Low: 48 °F
S 20kt⇓
1ft
Thursday
High: 51 °F
E 15kt
1ft
Thursday Night
Low: 47 °F
ENE 15kt
1ft
Friday
High: 51 °F
NE 10kt
1ft
Friday Night
Low: 47 °F
Light Wind
1ft
Saturday
High: 60 °F
⇑S 15kt
1ft
Saturday Night
Low: 52 °F
SSW 15kt
1ft
Sunday
High: 64 °F
WSW 10kt
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:24 am EDT May 13, 2026
Forecast Valid: 7am EDT May 13, 2026-6pm EDT May 19, 2026

View Nearby Observations

Detailed Forecast

Today

Variable winds less than 5 kt becoming SSE 5 to 10 kt in the morning. A chance of showers, mainly between noon and 5pm. Seas around 1 ft.

Tonight

S wind 17 to 20 kt decreasing to 15 to 18 kt after midnight. Winds could gust as high as 30 kt. A slight chance of showers before 11pm. Seas around 1 ft.

Thursday

SE wind 10 to 15 kt becoming E in the afternoon. Rain likely, then rain and possibly a thunderstorm after 2pm. Seas around 1 ft.

Thursday Night

ENE wind around 15 kt, with gusts as high as 20 kt. Rain. Seas around 1 ft.

Friday

NE wind around 10 kt. Rain, mainly before 1pm. Seas around 1 ft.

Friday Night

Variable winds 5 kt or less. A chance of rain before 7pm. Seas around 1 ft.

Saturday

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

Saturday Night

SSW wind 10 to 15 kt becoming WSW after midnight. Mostly clear. Seas around 1 ft.

Sunday

WSW wind around 10 kt. Sunny. 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.