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4NM ESE Portland ME

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:33 am EDT Sep 9, 2026
Forecast Valid: 3am EDT Sep 9, 2026-6pm EDT Sep 15, 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH THURSDAY

Wednesday

E wind 5 to 10 kt becoming SSE in the afternoon. Cloudy. Seas around 1 ft.

Wednesday Night

SSW wind around 20 kt. Showers, with thunderstorms also possible after 11pm. Seas around 2 ft.

Thursday

WSW wind 10 to 15 kt. Showers likely, mainly before 8am. Seas around 2 ft.

Thursday Night

NW wind 5 to 10 kt. Mostly cloudy, then gradually becoming mostly clear. Seas 1 to 2 ft.

Friday

NW wind 5 to 10 kt becoming W in the afternoon. Sunny. Seas around 1 ft.

Friday Night

Variable winds 5 kt or less. Mostly clear. Seas around 1 ft.

Saturday

Variable winds less than 5 kt becoming S 5 to 10 kt in the afternoon. Sunny. Seas around 1 ft.

Saturday Night

SSW wind around 10 kt. Partly cloudy. Seas around 1 ft.

Sunday

S wind 10 to 13 kt increasing to 12 to 15 kt in the afternoon. Mostly sunny. Seas 1 to 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.