For More Weather Information:

11NM SSW Portland ME

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 7:20 pm EDT Mar 15, 2026
Forecast Valid: 11pm EDT Mar 15, 2026-6pm EDT Mar 22, 2026

Overnight

SE wind around 10 kt. A slight chance of rain after 5am. Seas 1 to 2 ft.

Monday

ESE wind 10 to 15 kt becoming S in the afternoon. Winds could gust as high as 20 kt. Rain and possibly a thunderstorm. Seas 2 ft building to 5 ft.

Monday Night

S wind 20 to 25 kt, with gusts as high as 45 kt. Rain and possibly a thunderstorm. Seas 4 ft building to 7 ft.

Tuesday

WSW wind around 15 kt, with gusts as high as 35 kt. A chance of rain before 11am. Seas 5 ft building to 8 ft.

Tuesday Night

W wind 10 to 15 kt, with gusts as high as 25 kt. Mostly clear. Seas 6 ft subsiding to 4 ft.

Wednesday

W wind 5 to 10 kt. Sunny. Seas 5 ft subsiding to 3 ft.

Wednesday Night

Variable winds 5 kt or less. Mostly cloudy. Seas 3 to 4 ft.

Thursday

S wind 5 to 8 kt increasing to 7 to 10 kt in the afternoon. Partly sunny. Seas around 3 ft.

Thursday Night

Variable winds 5 kt or less. Mostly cloudy. Seas around 3 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.