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10NM SSW Portland ME

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 5:44 am EDT Sep 18, 2026
Forecast Valid: 6am EDT Sep 18, 2026-6pm EDT Sep 24, 2026

Today

NW wind 5 to 10 kt. Patchy fog before 8am. Seas 1 ft or less.

Tonight

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

Saturday

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

Saturday Night

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

Sunday

S wind 5 to 8 kt increasing to 7 to 10 kt in the afternoon. A chance of rain before 3pm, then a chance of rain after 5pm. Seas 1 ft or less.

Sunday Night

Variable winds 5 kt or less. Rain likely, mainly between 11pm and midnight. Seas 1 ft or less.

Monday

N wind 5 to 10 kt becoming ENE in the afternoon. Mostly sunny. Seas 1 ft or less.

Monday Night

Variable winds less than 5 kt becoming NNE 5 to 10 kt after midnight. Partly cloudy. Seas 1 ft or less.

Tuesday

ENE wind around 10 kt. Partly sunny. 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.