Portland Maine and Casco Bay Marine Weather
Marine Forecast
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TODAY NW winds 5 to 10 kt. Seas 2 to 3 ft.
TONIGHT N winds around 5 kt. Seas around 2 ft in the evening, then 1 foot or less.
THU E winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 1 foot or less, then around 2 ft in the afternoon.
THU NIGHT NE winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 3 ft. A chance of rain in the evening, then rain likely after midnight.
FRI NE winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Rain. Vsby 1 to 3 NM in the morning.
FRI NIGHT N winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Rain, mainly in the evening. Vsby 1 to 3 NM.
SAT N winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of rain.
SAT NIGHT NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft.
SUN NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.
SUN NIGHT NW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft.
TONIGHT N winds around 5 kt. Seas around 2 ft in the evening, then 1 foot or less.
THU E winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 1 foot or less, then around 2 ft in the afternoon.
THU NIGHT NE winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 3 ft. A chance of rain in the evening, then rain likely after midnight.
FRI NE winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Rain. Vsby 1 to 3 NM in the morning.
FRI NIGHT N winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Rain, mainly in the evening. Vsby 1 to 3 NM.
SAT N winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of rain.
SAT NIGHT NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft.
SUN NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.
SUN NIGHT NW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft.
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
44°F
Mostly Clear
10 mph W
Veterans Day
50°F
Mostly Sunny
5 to 10 mph NW
Wednesday Night
39°F
Mostly Cloudy
0 to 5 mph N
Thursday
48°F
Slight Chance Light Rain
5 to 15 mph NE
Tides and Currents
View all| Time (EST) | Event | Height/Speed |
|---|---|---|
| Wed, Nov 11 12:00 AM | high | 8.8 ft |
| Wed, Nov 11 12:24 AM | slack | slack |
| Wed, Nov 11 3:18 AM | ebb | 1.0 kts |
| Wed, Nov 11 5:47 AM | low | 1.2 ft |
| Wed, Nov 11 6:50 AM | slack | slack |
| Wed, Nov 11 9:04 AM | flood | 0.6 kts |
| Wed, Nov 11 11:58 AM | high | 9.8 ft |
| Wed, Nov 11 12:20 PM | slack | slack |
| Wed, Nov 11 3:42 PM | ebb | 1.1 kts |
| Wed, Nov 11 6:24 PM | low | 0.1 ft |
| Wed, Nov 11 7:29 PM | slack | slack |
| Wed, Nov 11 9:42 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.