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4NM ESE Portland ME

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:32 am EDT Sep 17, 2026
Forecast Valid: 4am EDT Sep 17, 2026-6pm EDT Sep 23, 2026

Thursday

Variable winds 5 kt or less. A chance of sprinkles before 11am, then a chance of showers after 5pm. Patchy fog after 8am. Seas around 1 ft.

Thursday Night

Variable winds 5 kt or less. Showers, mainly before 2am. Patchy fog. Seas around 1 ft.

Friday

NNW wind around 10 kt. Partly sunny, then gradually becoming sunny. Seas around 1 ft.

Friday Night

NNW wind around 10 kt. Partly cloudy. Seas around 1 ft.

Saturday

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

Saturday Night

SSW wind 5 to 10 kt. Partly cloudy. Seas around 1 ft.

Sunday

SSE wind 5 to 10 kt increasing to 10 to 15 kt in the afternoon. Showers likely, mainly after 3pm. Seas around 1 ft.

Sunday Night

SE wind 5 to 10 kt becoming N in the evening. Showers likely. Seas around 1 ft.

Monday

N wind 5 to 10 kt. 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.