Last Update: 526 AM EDT Fri Jul 17 2026

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Gray/Portland, ME Local Forecast Office

42NM SE Portland ME

Marine Zone Forecast


Today
W winds 10 to 15 kt with gusts up to 20 kt, becoming SW 5 to 10 kt this afternoon. Seas 2 to 3 ft. Wave detail: NW 2 ft at 4 seconds and S 2 ft at 6 seconds.
Tonight
SW winds 5 to 10 kt. Seas around 2 ft. Wave detail: W 2 ft at 3 seconds and S 2 ft at 7 seconds.
Sat
S winds 10 to 15 kt, increasing to 20 to 25 kt with gusts up to 30 kt in the afternoon. Seas around 2 ft, building to 3 to 5 ft in the afternoon. Wave detail: S 2 ft at 7 seconds, becoming S 5 ft at 6 seconds. Patchy smoke in the morning, then areas of smoke in the afternoon.
Sat Night
S winds 20 to 25 kt, becoming SW 15 to 20 kt after midnight. Gusts up to 35 kt. Seas 5 to 7 ft. Wave detail: S 6 ft at 6 seconds. Showers and scattered tstms.
Sun
W winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 4 to 6 ft, subsiding to 2 to 4 ft in the afternoon. Wave detail: S 6 ft at 7 seconds, becoming S 4 ft at 7 seconds.
Sun Night
NW winds 10 to 15 kt. Seas 2 to 3 ft. Wave detail: NW 2 ft at 3 seconds and S 2 ft at 7 seconds.
Mon
NW winds 5 to 10 kt, becoming SW in the afternoon. Seas 2 to 3 ft.
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, increasing to 15 to 20 kt in the afternoon. Seas 2 to 3 ft.
Tue Night
S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Showers.

winds and seas higher in and near tstms.




Winds and seas higher in and near tstms.
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526 AM EDT Fri Jul 17 2026
 
 

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