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4NM ESE Portland ME

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 6:39 am EDT Jun 21, 2026
Forecast Valid: 6am EDT Jun 21, 2026-6pm EDT Jun 27, 2026

Today

Variable winds 5 kt or less. A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Seas around 1 ft.

Tonight

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

Monday

Variable winds less than 5 kt becoming SSE 5 to 10 kt in the afternoon. A chance of showers, mainly between 4pm and 5pm. Seas around 1 ft.

Monday Night

SE wind around 10 kt becoming E after midnight. Showers, mainly after 8pm. Seas around 1 ft.

Tuesday

N wind 5 to 10 kt becoming ESE in the afternoon. A chance of showers before 2pm. Seas 1 to 2 ft.

Tuesday Night

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

Wednesday

NW wind 5 to 10 kt becoming SSW in the afternoon. Sunny. Seas 1 to 2 ft.

Wednesday Night

Variable winds 5 kt or less. Partly cloudy. Seas 1 to 2 ft.

Thursday

SE wind 5 to 8 kt increasing to 7 to 10 kt in the afternoon. Mostly sunny. Seas around 1 ft.

Winds and seas higher in and near tstms.

*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.