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4NM ESE Portland ME

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 6:48 am EDT May 21, 2026
Forecast Valid: 11am EDT May 21, 2026-6pm EDT May 27, 2026

Today

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

Tonight

WSW wind 5 to 10 kt becoming N after midnight. Partly cloudy. Seas around 1 ft.

Friday

S wind 5 to 8 kt becoming S 7 to 10 kt in the afternoon. Sunny. Seas around 1 ft.

Friday Night

SSW wind 7 to 10 kt becoming W 5 to 8 kt after midnight. Partly cloudy. Seas around 1 ft.

Saturday

NNE wind 5 to 10 kt becoming SSE in the afternoon. Mostly cloudy. Seas around 1 ft.

Saturday Night

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

Sunday

ESE wind 5 to 10 kt. Showers likely, mainly after 4pm. Seas around 1 ft.

Sunday Night

E wind around 10 kt. Showers likely. Seas 1 to 2 ft.

Memorial Day

ENE wind around 10 kt. Showers likely. 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.