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Portland ME

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:38 am EDT Sep 21, 2026
Forecast Valid: 12pm EDT Sep 21, 2026-6pm EDT Sep 27, 2026

This Afternoon

N wind 5 to 10 kt. Mostly sunny. Seas 1 ft or less.

Tonight

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

Tuesday

NNE wind 5 to 10 kt becoming ENE in the afternoon. Mostly sunny. Seas 1 ft or less.

Tuesday Night

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

Wednesday

NE wind around 10 kt becoming E in the afternoon. Winds could gust as high as 20 kt. Sunny. Seas 1 ft or less.

Wednesday Night

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

Thursday

NNE wind 5 to 10 kt becoming ENE in the afternoon. Mostly sunny. Seas 1 ft or less.

Thursday Night

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

Friday

NNE wind 10 to 15 kt, with gusts as high as 25 kt. Mostly 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.