Portland Maine and Casco Bay Marine Weather
Marine Forecast
View all
TODAY SW winds 5 to 10 kt. Seas 1 foot or less.
TONIGHT SW winds 5 to 10 kt. Seas around 2 ft.
MON SW winds 5 to 10 kt. Seas around 2 ft.
MON NIGHT W winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas around 2 ft.
TUE SW winds around 5 kt, becoming SE around 5 kt in the afternoon. Seas around 2 ft.
TUE NIGHT S winds around 5 kt. Seas around 2 ft.
WED S winds 5 to 10 kt. Seas around 2 ft.
WED NIGHT SW winds 5 to 10 kt. Seas around 2 ft.
THU SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft.
THU NIGHT S winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. A chance of rain.
TONIGHT SW winds 5 to 10 kt. Seas around 2 ft.
MON SW winds 5 to 10 kt. Seas around 2 ft.
MON NIGHT W winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas around 2 ft.
TUE SW winds around 5 kt, becoming SE around 5 kt in the afternoon. Seas around 2 ft.
TUE NIGHT S winds around 5 kt. Seas around 2 ft.
WED S winds 5 to 10 kt. Seas around 2 ft.
WED NIGHT SW winds 5 to 10 kt. Seas around 2 ft.
THU SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft.
THU NIGHT S winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. A chance of rain.
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
35°F
Clear
5 mph W
Sunday
54°F
Sunny
5 to 10 mph SW
Sunday Night
45°F
Mostly Clear
10 mph SW
Monday
64°F
Mostly Sunny
10 mph SW
Tides and Currents
View all| Time (EDT) | Event | Height/Speed |
|---|---|---|
| Sun, Nov 1 1:43 AM | flood | 0.7 kts |
| Sun, Nov 1 3:32 AM EST | high | 8.9 ft |
| Sun, Nov 1 3:42 AM EST | slack | slack |
| Sun, Nov 1 6:53 AM EST | ebb | 1.0 kts |
| Sun, Nov 1 9:26 AM EST | low | 1.0 ft |
| Sun, Nov 1 10:15 AM EST | slack | slack |
| Sun, Nov 1 12:55 PM EST | flood | 0.7 kts |
| Sun, Nov 1 3:46 PM EST | high | 10.0 ft |
| Sun, Nov 1 3:52 PM EST | slack | slack |
| Sun, Nov 1 7:25 PM EST | ebb | 1.2 kts |
| Sun, Nov 1 10:17 PM EST | low | 0.0 ft |
| Sun, Nov 1 11:21 PM EST | slack | slack |
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.