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4NM ESE Portland ME

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 6:12 am EDT Aug 19, 2026
Forecast Valid: 2pm EDT Aug 19, 2026-6pm EDT Aug 25, 2026

This Afternoon

S wind around 10 kt. Partly sunny. Seas around 2 ft.

Tonight

Variable winds 5 kt or less. Patchy fog. Seas 1 to 2 ft.

Thursday

Variable winds 5 kt or less. Patchy fog before 9am, then Patchy fog between 10am and 2pm. Seas 1 to 2 ft.

Thursday Night

Variable winds 5 kt or less. Cloudy during the early evening, then gradual clearing. Seas around 1 ft.

Friday

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

Friday Night

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

Saturday

NE wind 5 to 10 kt becoming ESE in the afternoon. Partly sunny. Seas around 1 ft.

Saturday Night

ENE wind around 10 kt. A chance of showers. Seas around 1 ft.

Sunday

ENE wind 5 to 10 kt becoming ESE in the afternoon. A chance of showers. 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.