Portland Maine and Casco Bay Marine Weather
Marine Forecast
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TODAY W winds around 5 kt, becoming E late this morning and afternoon. Seas around 2 ft.
TONIGHT E winds around 5 kt, becoming SW after midnight. Seas around 2 ft.
WED SW winds 5 to 10 kt. Seas around 2 ft.
WED NIGHT SW winds 5 to 10 kt. Seas around 2 ft.
THU SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.
THU NIGHT SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft.
FRI S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of rain in the morning, then rain likely in the afternoon.
FRI NIGHT SE winds 5 to 10 kt, becoming NE after midnight. Seas 2 to 3 ft. Rain.
SAT NE winds 5 to 10 kt. Seas 2 to 4 ft. Rain.
SAT NIGHT N winds 5 to 10 kt. Seas 2 to 4 ft. Rain likely, mainly in the evening.
TONIGHT E winds around 5 kt, becoming SW after midnight. Seas around 2 ft.
WED SW winds 5 to 10 kt. Seas around 2 ft.
WED NIGHT SW winds 5 to 10 kt. Seas around 2 ft.
THU SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.
THU NIGHT SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft.
FRI S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of rain in the morning, then rain likely in the afternoon.
FRI NIGHT SE winds 5 to 10 kt, becoming NE after midnight. Seas 2 to 3 ft. Rain.
SAT NE winds 5 to 10 kt. Seas 2 to 4 ft. Rain.
SAT NIGHT N winds 5 to 10 kt. Seas 2 to 4 ft. Rain likely, mainly in the evening.
Portland Maine and Casco Bay Nautical Charts
NOAA nautical charts with your GPS position and a wind map for Portland Maine and Casco Bay in the Wind and Tides app
Weather
View allOvernight
51°F
Mostly Cloudy
0 to 5 mph SW
Tuesday
60°F
Mostly Cloudy
0 to 5 mph NE
Tuesday Night
51°F
Slight Chance Light Rain then Mostly Cloudy
0 to 5 mph S
Wednesday
68°F
Mostly Sunny
0 to 10 mph SW
Tides and Currents
View all| Time (EST) | Event | Height/Speed |
|---|---|---|
| Tue, Nov 3 12:22 AM | slack | slack |
| Tue, Nov 3 2:40 AM | flood | 0.6 kts |
| Tue, Nov 3 5:46 AM | high | 9.0 ft |
| Tue, Nov 3 5:59 AM | slack | slack |
| Tue, Nov 3 9:00 AM | ebb | 0.9 kts |
| Tue, Nov 3 11:47 AM | low | 1.0 ft |
| Tue, Nov 3 12:38 PM | slack | slack |
| Tue, Nov 3 2:56 PM | flood | 0.6 kts |
| Tue, Nov 3 6:05 PM | high | 9.5 ft |
| Tue, Nov 3 6:12 PM | slack | slack |
| Tue, Nov 3 9:30 PM | ebb | 1.1 kts |
Marine weather for Portland, Casco Bay, Portland Harbor, South Portland, Cape Elizabeth, Portland Head Light, Falmouth, Falmouth Foreside, Cousins Island, Yarmouth, the Royal River, Freeport, South Freeport, the Harraseeket River, the New Meadows River, Harpswell, Orr's Island, Bailey Island, Peaks Island, Long Island, Great Diamond Island, Chebeague Island, Cliff Island, the Calendar Islands, Hussey Sound, Broad Sound, and the Fore River, Maine. Wind, tides, and conditions for sailing, boating, fishing, sea kayaking, paddleboarding, and windsurfing.