For More Weather Information:

4NM ESE Portland ME

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 11:58 am EDT Aug 21, 2026
Forecast Valid: 2pm EDT Aug 21, 2026-6pm EDT Aug 27, 2026

This Afternoon

ESE wind around 10 kt. Mostly sunny. Seas around 1 ft.

Tonight

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

Saturday

NNE wind around 10 kt becoming ENE in the afternoon. A chance of showers, mainly after 2pm. Patchy fog after 3pm. Seas around 1 ft.

Saturday Night

ENE wind 5 to 10 kt. Showers likely, mainly after 11pm. Patchy fog. Seas around 1 ft.

Sunday

Variable winds 5 kt or less. A chance of showers before 5pm. Seas around 1 ft.

Sunday Night

Variable winds 5 kt or less. A chance of showers before 2am. Seas around 1 ft.

Monday

SW wind 5 to 8 kt becoming S 10 to 15 kt in the afternoon. Mostly sunny. Seas 1 to 2 ft.

Monday Night

WSW wind 5 to 10 kt. Mostly clear. Seas 1 to 2 ft.

Tuesday

WSW wind 5 to 10 kt becoming SSW in the afternoon. 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.