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4NM ESE Portland ME

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:20 pm EDT Aug 24, 2026
Forecast Valid: 5pm EDT Aug 24, 2026-6pm EDT Aug 31, 2026

Tonight

S wind 7 to 10 kt becoming SW 5 to 8 kt after midnight. A slight chance of showers between 8pm and 9pm. Seas around 2 ft.

Tuesday

WSW wind 5 to 8 kt becoming S 7 to 10 kt in the afternoon. Patchy fog before 9am. Seas 1 to 2 ft.

Tuesday Night

Variable winds 5 kt or less. A slight chance of showers before 9pm. Seas around 1 ft.

Wednesday

Variable winds less than 5 kt becoming S 5 to 10 kt in the afternoon. Sunny. Seas around 1 ft.

Wednesday Night

SSW wind 5 to 10 kt. Partly cloudy. Seas around 1 ft.

Thursday

S wind 5 to 10 kt increasing to 10 to 15 kt in the afternoon. Partly sunny. Seas around 1 ft.

Thursday Night

S wind 12 to 15 kt decreasing to 10 to 13 kt after midnight. Winds could gust as high as 20 kt. Showers likely, mainly after 5am. Seas around 2 ft.

Friday

S wind around 10 kt. A chance of showers. Seas around 2 ft.

Friday Night

Variable winds 5 kt or less. 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.