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4NM ESE Portland ME

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 6:22 am EDT Sep 29, 2026
Forecast Valid: 12pm EDT Sep 29, 2026-6pm EDT Oct 5, 2026

This Afternoon

NNW wind around 10 kt. A slight chance of showers before 3pm. Seas around 1 ft.

Tonight

Variable winds 5 kt or less. Patchy fog. Seas around 1 ft.

Wednesday

Variable winds 5 kt or less. Patchy fog before 11am. Seas around 1 ft.

Wednesday Night

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

Thursday

S wind 5 to 8 kt increasing to 7 to 10 kt in the afternoon. Mostly sunny. Seas around 1 ft.

Thursday Night

SW wind around 10 kt. Mostly cloudy. Seas around 1 ft.

Friday

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

Friday Night

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

Saturday

N wind 5 to 10 kt becoming NE 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.