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12NM SSW Portland ME

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:26 am EDT Sep 19, 2026
Forecast Valid: 5am EDT Sep 19, 2026-6pm EDT Sep 25, 2026

Today

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

Tonight

Variable winds 5 kt or less. Increasing clouds. Seas around 1 ft.

Sunday

S wind 5 to 8 kt increasing to 7 to 10 kt in the morning. Rain, mainly after 3pm. Seas around 1 ft.

Sunday Night

Variable winds 5 kt or less. Rain before midnight, then showers likely, mainly between midnight and 1am. Seas around 1 ft.

Monday

NNE wind 5 to 10 kt. Mostly sunny. Seas around 1 ft.

Monday Night

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

Tuesday

NNE wind 5 to 10 kt becoming ENE in the afternoon. Partly sunny. Seas 1 to 2 ft.

Tuesday Night

Variable winds 5 kt or less. Partly cloudy. Seas around 2 ft.

Wednesday

NNE wind around 10 kt becoming E in the afternoon. Mostly sunny. 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.