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4NM ESE Portland ME

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 7:58 am EDT Sep 15, 2026
Forecast Valid: 1pm EDT Sep 15, 2026-6pm EDT Sep 21, 2026

This Afternoon

ESE wind 5 to 10 kt becoming SSE. Mostly sunny. Seas around 1 ft.

Tonight

S wind 5 to 10 kt becoming SW after midnight. Partly cloudy. Seas around 1 ft.

Wednesday

S wind around 10 kt. Mostly sunny. Seas around 1 ft.

Wednesday Night

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

Thursday

Variable winds 5 kt or less. Partly sunny. Seas around 1 ft.

Thursday Night

Variable winds 5 kt or less. A chance of showers. Seas around 1 ft.

Friday

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

Friday Night

N wind around 10 kt. Mostly clear. Seas around 1 ft.

Saturday

N wind 5 to 10 kt becoming SSE in the afternoon. Mostly sunny. 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.