For More Weather Information:

18NM S Portland ME

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 1:39 am EDT Jul 13, 2025
Forecast Valid: 5am EDT Jul 13, 2025-6pm EDT Jul 19, 2025

Today

SSE wind 5 to 10 kt. Areas of dense fog before 11am. Seas around 2 ft.

Tonight

S wind around 10 kt. Patchy fog after 10pm. Seas around 2 ft.

Monday

S wind 5 to 10 kt. A slight chance of showers and thunderstorms after 2pm. Seas around 2 ft.

Monday Night

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

Tuesday

Variable winds 5 kt or less. Mostly sunny. Seas around 2 ft.

Tuesday Night

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

Wednesday

Variable winds 5 kt or less. Mostly sunny. Seas around 2 ft.

Wednesday Night

SSW wind around 10 kt. Partly cloudy. Seas around 2 ft.

Thursday

S wind around 10 kt. A chance of showers. 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.