Portland Maine and Casco Bay Marine Weather
Marine Forecast
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TODAY W winds around 5 kt, becoming S this afternoon. Seas 1 foot or less, then around 2 ft this afternoon.
TONIGHT SW winds 5 to 10 kt. Seas around 2 ft. A chance of showers.
TUE W winds 5 to 10 kt. Seas around 2 ft.
TUE NIGHT NW winds 5 to 10 kt. Seas around 2 ft in the evening, then 1 foot or less.
WED W winds around 5 kt, becoming S in the afternoon. Seas 1 foot or less, then around 2 ft in the afternoon.
WED NIGHT SW winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas around 2 ft.
THU SW winds around 5 kt, becoming S in the afternoon. Seas around 2 ft. A chance of showers in the morning, then showers likely with a chance of tstms in the afternoon.
THU NIGHT W winds 5 to 10 kt. Seas around 2 ft. A chance of showers and tstms in the evening.
FRI NW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft.
FRI NIGHT NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Winds and seas higher in and near tstms.
TONIGHT SW winds 5 to 10 kt. Seas around 2 ft. A chance of showers.
TUE W winds 5 to 10 kt. Seas around 2 ft.
TUE NIGHT NW winds 5 to 10 kt. Seas around 2 ft in the evening, then 1 foot or less.
WED W winds around 5 kt, becoming S in the afternoon. Seas 1 foot or less, then around 2 ft in the afternoon.
WED NIGHT SW winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas around 2 ft.
THU SW winds around 5 kt, becoming S in the afternoon. Seas around 2 ft. A chance of showers in the morning, then showers likely with a chance of tstms in the afternoon.
THU NIGHT W winds 5 to 10 kt. Seas around 2 ft. A chance of showers and tstms in the evening.
FRI NW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft.
FRI NIGHT NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Winds and seas higher in and near tstms.
Portland Maine and Casco Bay Nautical Charts
NOAA nautical charts for Portland Maine and Casco Bay in the Wind and Tides app
Weather
View allOvernight
65°F
Mostly Clear
5 mph NW
Monday
78°F
Mostly Sunny
0 to 10 mph SW
Monday Night
66°F
Chance Rain Showers
5 to 10 mph SW
Tuesday
82°F
Sunny
5 to 10 mph W
Tides & Currents
View all| Time | Event | Height/Speed |
|---|---|---|
| Mon, Aug 10 12:29 AM | ebb | 1.2 kts |
| Mon, Aug 10 3:12 AM | low | -0.2 ft |
| Mon, Aug 10 4:19 AM | slack | slack |
| Mon, Aug 10 6:37 AM | flood | 0.6 kts |
| Mon, Aug 10 9:26 AM | high | 8.8 ft |
| Mon, Aug 10 9:52 AM | slack | slack |
| Mon, Aug 10 12:53 PM | ebb | 1.0 kts |
| Mon, Aug 10 3:18 PM | low | 0.6 ft |
| Mon, Aug 10 4:14 PM | slack | slack |
| Mon, Aug 10 6:49 PM | flood | 0.8 kts |
| Mon, Aug 10 9:40 PM | high | 10.8 ft |
| Mon, Aug 10 10:09 PM | slack | slack |