Last Update: 502 PM EDT Fri Jul 17 2026
For More Weather Information:
42NM SE Portland ME
Marine Zone Forecast
Tonight
SW winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas around 2 ft.
Sat
S winds 10 to 15 kt with gusts up to 20 kt, increasing to 20 to 25 kt with gusts up to 35 kt in the afternoon. Seas 2 to 3 ft, building to 4 to 6 ft in the afternoon. Wave detail: S 2 ft at 7 seconds, becoming S 6 ft at 5 seconds. Areas of smoke. A chance of showers in the afternoon. Vsby 1 to 3 nm.
Sat Night
S winds 20 to 25 kt with gusts up to 40 kt, becoming SW 15 to 20 kt with gusts up to 30 kt after midnight. Seas 5 to 7 ft. Wave detail: S 7 ft at 6 seconds. Areas of smoke in the evening. Showers likely with a chance of tstms in the evening, then a chance of showers after midnight. Vsby 1 to 3 nm in the evening.
Sun
W winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 4 to 5 ft, subsiding to 2 to 4 ft in the afternoon. Wave detail: S 5 ft at 7 seconds, becoming S 4 ft at 7 seconds and W 2 ft at 4 seconds.
Sun Night
W winds 10 to 15 kt. Seas 2 to 3 ft. Wave detail: NW 2 ft at 4 seconds and S 2 ft at 7 seconds.
Mon
W winds 5 to 10 kt, becoming SW in the afternoon. Seas 2 to 3 ft. Wave detail: W 2 ft at 3 seconds and S 2 ft at 8 seconds.
Mon Night
S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.
Tue
S winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers in the afternoon.
Tue Night
S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. A chance of tstms. Showers.
Wed
S winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 7 ft. Showers.
Wed Night
SW winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 8 ft. A chance of showers.
winds and seas higher in and near tstms.
winds and seas higher in and near tstms.
Winds and seas higher in and near tstms.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...

