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4NM ESE Portland ME

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:31 pm EDT Mar 29, 2026
Forecast Valid: 7pm EDT Mar 29, 2026-6pm EDT Apr 5, 2026

Tonight

SW wind 10 to 15 kt. Increasing clouds. Seas around 1 ft.

Monday

SSW wind around 15 kt, with gusts as high as 25 kt. Mostly cloudy. Seas around 1 ft.

Monday Night

WSW wind 10 to 15 kt becoming NW 5 to 8 kt after midnight. Mostly cloudy. Seas around 1 ft.

Tuesday

E wind 5 to 10 kt. Rain likely, mainly after 3pm. Seas 1 to 2 ft.

Tuesday Night

E wind 10 to 15 kt becoming S after midnight. Winds could gust as high as 20 kt. Rain likely. Patchy fog. Seas around 2 ft.

Wednesday

SSW wind 15 to 20 kt becoming WSW in the afternoon. Showers likely, mainly before 5pm. Patchy fog before noon. Seas around 2 ft.

Wednesday Night

NNE wind around 10 kt. A chance of rain. Seas around 2 ft.

Thursday

NNE wind 10 to 15 kt becoming ENE in the afternoon. A chance of rain. Seas 1 to 2 ft.

Thursday Night

ENE wind around 10 kt. Rain and snow likely, mainly after 2am. 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.