For More Weather Information:

11NM SSW Portland ME

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 7:04 pm EDT Mar 17, 2026
Forecast Valid: 7pm EDT Mar 17, 2026-6pm EDT Mar 24, 2026

Tonight

W wind 10 to 15 kt. Mostly clear. Seas 7 ft subsiding to 4 ft.

Wednesday

WNW wind 5 to 10 kt becoming WSW in the afternoon. Increasing clouds. Seas 6 ft subsiding to 4 ft.

Wednesday Night

Variable winds 5 kt or less. Partly cloudy. Seas 3 to 4 ft.

Thursday

S wind 5 to 8 kt increasing to 7 to 10 kt in the afternoon. Mostly sunny. Seas around 3 ft.

Thursday Night

Variable winds 5 kt or less. Mostly cloudy. Seas around 3 ft.

Friday

Variable winds 5 kt or less. Mostly sunny. Seas 2 to 3 ft.

Friday Night

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

Saturday

NNE wind 5 to 10 kt becoming SSE in the afternoon. A chance of rain before 11am, then a chance of rain and snow. Seas around 2 ft.

Saturday Night

SSW wind around 10 kt. A chance of rain. Seas 2 to 3 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.