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23NM S Portland ME

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 12:16 pm EST Nov 20, 2025
Forecast Valid: 4pm EST Nov 20, 2025-6pm EST Nov 27, 2025

Tonight

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

Friday

SSW wind 5 to 10 kt increasing to 10 to 15 kt in the afternoon. Winds could gust as high as 25 kt. Mostly sunny. Seas 1 ft building to 3 ft.

Friday Night

SW wind around 15 kt, with gusts as high as 20 kt. A slight chance of showers after 3am. Seas around 3 ft.

Saturday

WNW wind 10 to 15 kt becoming NNW in the morning. Mostly cloudy, then gradually becoming sunny. Seas around 3 ft.

Saturday Night

NNW wind 10 to 15 kt, with gusts as high as 20 kt. Mostly clear. Seas 2 to 3 ft.

Sunday

WNW wind 5 to 10 kt becoming WSW in the afternoon. Mostly sunny. Seas around 2 ft.

Sunday Night

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

Monday

WNW wind around 10 kt. Mostly sunny. Seas around 2 ft.

Monday Night

NW wind around 10 kt. Partly cloudy. Seas around 2 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.