Portland Maine and Casco Bay Marine Weather
Marine Forecast
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TODAY W winds 5 to 10 kt, becoming SW late. Seas around 2 ft.
TONIGHT W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.
WED NW winds 5 to 10 kt. Seas 2 to 3 ft.
WED NIGHT N winds around 5 kt. Seas around 2 ft.
THU NE winds 5 to 10 kt. Seas 1 foot or less.
THU NIGHT NE winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Seas 1 foot or less, then around 2 ft after midnight. A chance of rain.
FRI N winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Rain likely. Vsby 1 to 3 NM in the morning.
FRI NIGHT N winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Rain likely, mainly in the evening.
SAT N winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of rain.
SAT NIGHT NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of rain in the evening.
TONIGHT W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.
WED NW winds 5 to 10 kt. Seas 2 to 3 ft.
WED NIGHT N winds around 5 kt. Seas around 2 ft.
THU NE winds 5 to 10 kt. Seas 1 foot or less.
THU NIGHT NE winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Seas 1 foot or less, then around 2 ft after midnight. A chance of rain.
FRI N winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Rain likely. Vsby 1 to 3 NM in the morning.
FRI NIGHT N winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Rain likely, mainly in the evening.
SAT N winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of rain.
SAT NIGHT NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of rain 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
39°F
Partly Cloudy
5 mph W
Tuesday
51°F
Partly Sunny
5 to 10 mph SW
Tuesday Night
42°F
Mostly Clear
5 to 10 mph W
Veterans Day
50°F
Mostly Sunny
5 to 10 mph NW
Tides and Currents
View all| Time (EST) | Event | Height/Speed |
|---|---|---|
| Tue, Nov 10 2:37 AM | ebb | 1.0 kts |
| Tue, Nov 10 5:09 AM | low | 1.0 ft |
| Tue, Nov 10 6:10 AM | slack | slack |
| Tue, Nov 10 8:22 AM | flood | 0.6 kts |
| Tue, Nov 10 11:20 AM | high | 10.0 ft |
| Tue, Nov 10 11:43 AM | slack | slack |
| Tue, Nov 10 2:59 PM | ebb | 1.1 kts |
| Tue, Nov 10 5:45 PM | low | -0.1 ft |
| Tue, Nov 10 6:41 PM | slack | slack |
| Tue, Nov 10 8:57 PM | flood | 0.6 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.