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Portland ME

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 6:16 pm EST Nov 18, 2025
Forecast Valid: 8pm EST Nov 18, 2025-6pm EST Nov 25, 2025

Tonight

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

Wednesday

Variable winds 5 kt or less. Sunny. Seas 1 ft or less.

Wednesday Night

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

Thursday

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

Thursday Night

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

Friday

SSW wind 5 to 8 kt increasing to 7 to 10 kt in the afternoon. A chance of showers after 3pm. Seas 1 ft or less.

Friday Night

SW wind 5 to 10 kt becoming WNW after midnight. A chance of showers before 8pm. Seas 1 ft or less.

Saturday

WNW wind 5 to 10 kt. Sunny. Seas 1 ft or less.

Saturday Night

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

*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.