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4NM ESE Portland ME

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:17 pm EDT Sep 30, 2026
Forecast Valid: 2pm EDT Sep 30, 2026-6pm EDT Oct 6, 2026

This Afternoon

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

Tonight

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

Thursday

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

Thursday Night

SW wind around 10 kt. Mostly cloudy. Seas around 2 ft.

Friday

SSW wind around 10 kt. A chance of showers after 3pm. Seas 1 to 2 ft.

Friday Night

W wind around 10 kt becoming NNW after midnight. A chance of showers before 2am. Seas 1 to 2 ft.

Saturday

NNW wind 5 to 10 kt. Sunny. Seas 1 to 2 ft.

Saturday Night

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

Sunday

NE 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.