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10NM SSW Portland ME

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:23 pm EDT Oct 12, 2026
Forecast Valid: 6pm EDT Oct 12, 2026-6pm EDT Oct 19, 2026

Tonight

NW wind 5 to 8 kt becoming NNE 7 to 10 kt in the evening. A chance of rain, mainly after 3am. Seas 1 ft or less.

Tuesday

ENE wind around 10 kt becoming ESE in the afternoon. Winds could gust as high as 20 kt. Rain, mainly after 10am. Seas 1 ft or less.

Tuesday Night

SE wind 5 to 10 kt becoming SSW after midnight. Rain, mainly before 1am. Seas 1 ft or less.

Wednesday

Variable winds 5 kt or less. Cloudy, then gradually becoming mostly sunny. Seas 1 ft or less.

Wednesday Night

Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.

Thursday

NNW wind around 10 kt. Sunny. Seas 1 ft or less.

Thursday Night

Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.

Friday

S wind 5 to 10 kt increasing to 10 to 15 kt in the afternoon. Winds could gust as high as 25 kt. Showers. Seas 1 ft or less.

Friday Night

WNW wind 10 to 15 kt, with gusts as high as 25 kt. Showers likely. Seas 1 ft or less.

*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.