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4NM ESE Portland ME

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:38 am EDT Sep 21, 2026
Forecast Valid: 6am EDT Sep 21, 2026-6pm EDT Sep 27, 2026

Today

N wind 5 to 10 kt. Mostly cloudy through mid morning, then becoming sunny. Seas around 1 ft.

Tonight

NNE wind around 10 kt. Partly cloudy. Seas around 1 ft.

Tuesday

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

Tuesday Night

Variable winds less than 5 kt becoming NNE 5 to 10 kt in the evening. Partly cloudy. Seas around 1 ft.

Wednesday

ENE wind 10 to 15 kt, with gusts as high as 20 kt. Sunny. Seas around 2 ft.

Wednesday Night

ENE wind 5 to 10 kt becoming NNE after midnight. Partly cloudy. Seas around 2 ft.

Thursday

NNE wind around 10 kt becoming ENE in the afternoon. Mostly sunny. Seas around 2 ft.

Thursday Night

NNE wind 5 to 8 kt increasing to 7 to 10 kt after midnight. Mostly cloudy. Seas around 2 ft.

Friday

NNE wind 15 to 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.