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4NM ESE Portland ME

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 6:42 am EDT Sep 13, 2026
Forecast Valid: 12pm EDT Sep 13, 2026-6pm EDT Sep 19, 2026

This Afternoon

SSE wind around 10 kt. Showers, mainly before 5pm. Patchy fog. Seas around 1 ft.

Tonight

Variable winds 5 kt or less. A slight chance of showers before 7pm, then a chance of showers after 4am. Seas around 1 ft.

Monday

WNW wind 10 to 13 kt becoming NNW 12 to 15 kt in the afternoon. A chance of showers, mainly before 8am. Seas 1 to 2 ft.

Monday Night

N wind 7 to 10 kt decreasing to 5 to 8 kt after midnight. Clear. Seas around 2 ft.

Tuesday

N wind 5 to 10 kt becoming SSE in the afternoon. Sunny. Seas around 1 ft.

Tuesday Night

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

Wednesday

SW wind around 10 kt becoming S in the afternoon. Mostly sunny. Seas around 1 ft.

Wednesday Night

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

Thursday

Variable winds 5 kt or less. Partly 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.