Portland Maine and Casco Bay Marine Weather
Marine Forecast
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TODAY NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft.
TONIGHT NW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 3 ft.
MON W winds 5 to 10 kt, becoming S 10 to 15 kt in the afternoon. Seas around 2 ft.
MON NIGHT S winds 5 to 10 kt. Seas 2 to 3 ft.
TUE S winds 10 to 15 kt. Seas 2 to 3 ft.
TUE NIGHT SE winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 2 to 4 ft. Showers with a chance of tstms.
WED S winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 2 to 4 ft. Showers. A chance of tstms in the afternoon.
WED NIGHT SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas 3 to 5 ft. Showers likely with a chance of tstms in the evening, then a chance of showers after midnight.
THU W winds 5 to 10 kt, becoming SW in the afternoon. Seas 2 to 4 ft. A chance of showers in the morning.
THU NIGHT SW winds 5 to 10 kt, becoming NW after midnight. Seas 2 to 4 ft. Winds and seas higher in and near tstms.
TONIGHT NW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 3 ft.
MON W winds 5 to 10 kt, becoming S 10 to 15 kt in the afternoon. Seas around 2 ft.
MON NIGHT S winds 5 to 10 kt. Seas 2 to 3 ft.
TUE S winds 10 to 15 kt. Seas 2 to 3 ft.
TUE NIGHT SE winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 2 to 4 ft. Showers with a chance of tstms.
WED S winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 2 to 4 ft. Showers. A chance of tstms in the afternoon.
WED NIGHT SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas 3 to 5 ft. Showers likely with a chance of tstms in the evening, then a chance of showers after midnight.
THU W winds 5 to 10 kt, becoming SW in the afternoon. Seas 2 to 4 ft. A chance of showers in the morning.
THU NIGHT SW winds 5 to 10 kt, becoming NW after midnight. Seas 2 to 4 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
64°F
Patchy Smoke
10 mph W
Sunday
76°F
Sunny
10 to 15 mph NW
Sunday Night
59°F
Mostly Clear
5 to 15 mph W
Monday
76°F
Sunny
5 to 10 mph SW
Tides & Currents
View all| Time | Event | Height/Speed |
|---|---|---|
| Sun, Jul 19 12:38 AM | flood | 0.6 kts |
| Sun, Jul 19 3:22 AM | high | 10.2 ft |
| Sun, Jul 19 3:48 AM | slack | slack |
| Sun, Jul 19 6:53 AM | ebb | 1.1 kts |
| Sun, Jul 19 9:38 AM | low | -0.3 ft |
| Sun, Jul 19 10:43 AM | slack | slack |
| Sun, Jul 19 1:10 PM | flood | 0.6 kts |
| Sun, Jul 19 3:58 PM | high | 9.9 ft |
| Sun, Jul 19 4:29 PM | slack | slack |
| Sun, Jul 19 7:23 PM | ebb | 1.0 kts |
| Sun, Jul 19 10:06 PM | low | 0.4 ft |
| Sun, Jul 19 11:17 PM | slack | slack |