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4NM ESE Portland ME

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 8:41 am EDT May 12, 2026
Forecast Valid: 12pm EDT May 12, 2026-6pm EDT May 18, 2026

This Afternoon

SW wind 5 to 10 kt. Partly sunny. Seas around 1 ft.

Tonight

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

Wednesday

Variable winds less than 5 kt becoming S 5 to 10 kt in the morning. A chance of showers, mainly after 1pm. Seas around 1 ft.

Wednesday Night

S wind 15 to 20 kt. Rain likely, mainly between 11pm and midnight. Seas around 1 ft.

Thursday

ESE wind around 15 kt. Rain, mainly after 9am. Seas around 1 ft.

Thursday Night

ENE wind 10 to 15 kt, with gusts as high as 25 kt. Rain. Seas around 1 ft.

Friday

NNE wind 10 to 15 kt, with gusts as high as 25 kt. Rain. Seas around 1 ft.

Friday Night

Variable winds 5 kt or less. Showers likely. Seas around 1 ft.

Saturday

W wind 5 to 8 kt becoming SSW 10 to 15 kt in the afternoon. Mostly sunny. Seas around 1 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.