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4NM ESE Portland ME

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 6:45 am EDT Aug 31, 2026
Forecast Valid: 12pm EDT Aug 31, 2026-6pm EDT Sep 6, 2026

This Afternoon

SE wind 5 to 10 kt becoming S. Sunny. Seas around 1 ft.

Tonight

S wind 5 to 10 kt becoming SSE after midnight. Increasing clouds. Seas around 1 ft.

Tuesday

ESE wind 5 to 10 kt. A chance of showers. Seas around 1 ft.

Tuesday Night

Variable winds 5 kt or less. Mostly cloudy. Seas around 1 ft.

Wednesday

ESE wind 5 to 10 kt. Mostly cloudy. Seas around 1 ft.

Wednesday Night

SE wind 5 to 10 kt. Showers, mainly after 8pm. Seas around 1 ft.

Thursday

SE wind around 10 kt. Showers likely, mainly before 11am. Seas around 1 ft.

Thursday Night

Variable winds 5 kt or less. A chance of showers. Seas around 2 ft.

Friday

NNW wind 5 to 10 kt. A chance of showers. 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.