Portland Maine and Casco Bay Marine Weather
Marine Forecast
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TONIGHT NW winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance of rain early this evening.
SUN NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 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.
MON NW winds 5 to 10 kt. Seas around 2 ft in the morning, then 1 foot or less.
MON NIGHT NW winds around 5 kt. Seas 1 foot or less.
TUE W winds around 5 kt. Seas 1 foot or less.
TUE NIGHT W winds around 5 kt. Seas 1 foot or less.
WED W winds around 5 kt. Seas 1 foot or less.
WED NIGHT W winds around 5 kt. Seas 1 foot or less.
THU SW winds around 5 kt. Seas 1 foot or less.
THU NIGHT SW winds around 5 kt. Seas 1 foot or less.
SUN NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 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.
MON NW winds 5 to 10 kt. Seas around 2 ft in the morning, then 1 foot or less.
MON NIGHT NW winds around 5 kt. Seas 1 foot or less.
TUE W winds around 5 kt. Seas 1 foot or less.
TUE NIGHT W winds around 5 kt. Seas 1 foot or less.
WED W winds around 5 kt. Seas 1 foot or less.
WED NIGHT W winds around 5 kt. Seas 1 foot or less.
THU SW winds around 5 kt. Seas 1 foot or less.
THU NIGHT SW winds around 5 kt. Seas 1 foot or less.
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 allTonight
35°F
Slight Chance Rain Showers then Mostly Cloudy
5 to 10 mph NW
Sunday
48°F
Mostly Sunny
10 to 15 mph NW
Sunday Night
35°F
Partly Cloudy
5 to 10 mph NW
Monday
49°F
Sunny
5 to 10 mph NW
Tides and Currents
View all| Time (EST) | Event | Height/Speed |
|---|---|---|
| Sat, Nov 14 10:11 PM | slack | slack |
| Sun, Nov 15 12:19 AM | flood | 0.5 kts |
| Sun, Nov 15 2:48 AM | high | 7.9 ft |
| Sun, Nov 15 3:21 AM | slack | slack |
| Sun, Nov 15 6:20 AM | ebb | 0.8 kts |
| Sun, Nov 15 8:34 AM | low | 2.0 ft |
| Sun, Nov 15 10:00 AM | slack | slack |
| Sun, Nov 15 12:22 PM | flood | 0.5 kts |
| Sun, Nov 15 2:47 PM | high | 8.8 ft |
| Sun, Nov 15 3:05 PM | slack | slack |
| Sun, Nov 15 6:51 PM | ebb | 1.0 kts |
| Sun, Nov 15 9:15 PM | low | 1.1 ft |
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.