Portland Maine and Casco Bay Marine Weather
Marine Forecast
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TODAY SW winds around 5 kt, increasing to 10 to 15 kt. Seas around 2 ft.
TONIGHT SW winds 5 to 10 kt. Seas around 2 ft.
THU S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of rain in the afternoon.
THU NIGHT SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.
FRI S winds around 5 kt. Seas 2 to 3 ft. A chance of rain in the morning, then rain likely in the afternoon.
FRI NIGHT SE winds around 5 kt, increasing to 5 to 10 kt after midnight. Seas 2 to 3 ft. Rain.
SAT SE winds around 10 kt, becoming E in the afternoon. Seas 2 to 3 ft. Rain, mainly in the morning.
SAT NIGHT N winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. A chance of rain.
SUN NW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 3 ft. A chance of rain.
SUN NIGHT W winds 5 to 10 kt. Seas 2 to 3 ft.
TONIGHT SW winds 5 to 10 kt. Seas around 2 ft.
THU S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of rain in the afternoon.
THU NIGHT SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.
FRI S winds around 5 kt. Seas 2 to 3 ft. A chance of rain in the morning, then rain likely in the afternoon.
FRI NIGHT SE winds around 5 kt, increasing to 5 to 10 kt after midnight. Seas 2 to 3 ft. Rain.
SAT SE winds around 10 kt, becoming E in the afternoon. Seas 2 to 3 ft. Rain, mainly in the morning.
SAT NIGHT N winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. A chance of rain.
SUN NW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 3 ft. A chance of rain.
SUN NIGHT W winds 5 to 10 kt. Seas 2 to 3 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
50°F
Mostly Cloudy
0 mph
Wednesday
68°F
Mostly Sunny
5 to 10 mph SW
Wednesday Night
55°F
Partly Cloudy
10 mph SW
Thursday
65°F
Mostly Cloudy then Chance Light Rain
10 to 15 mph S
Tides and Currents
View all| Time (EST) | Event | Height/Speed |
|---|---|---|
| Wed, Nov 4 12:28 AM | low | 0.3 ft |
| Wed, Nov 4 1:20 AM | slack | slack |
| Wed, Nov 4 3:38 AM | flood | 0.6 kts |
| Wed, Nov 4 6:49 AM | high | 9.2 ft |
| Wed, Nov 4 7:06 AM | slack | slack |
| Wed, Nov 4 10:04 AM | ebb | 1.0 kts |
| Wed, Nov 4 12:57 PM | low | 0.8 ft |
| Wed, Nov 4 1:47 PM | slack | slack |
| Wed, Nov 4 4:00 PM | flood | 0.6 kts |
| Wed, Nov 4 7:12 PM | high | 9.4 ft |
| Wed, Nov 4 7:26 PM | slack | slack |
| Wed, Nov 4 10:31 PM | ebb | 1.0 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.