Portland Maine and Casco Bay Marine Weather
Marine Forecast
View all
TODAY SW winds around 5 kt, becoming S this afternoon. Seas 2 to 3 ft.
TONIGHT W winds 5 to 10 kt, becoming NW after midnight. Seas around 2 ft.
WED NW winds around 5 kt, becoming S in the afternoon. Seas around 2 ft.
WED NIGHT S winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas around 2 ft.
THU S winds 5 to 10 kt, increasing to 15 to 20 kt in the afternoon. Seas 2 to 4 ft.
THU NIGHT S winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 2 to 4 ft. A chance of showers in the evening, then showers likely after midnight.
FRI S winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely, mainly in the morning.
FRI NIGHT SW winds 5 to 10 kt, becoming NW after midnight. Seas 2 to 3 ft. A chance of showers in the evening.
SAT N winds around 5 kt, becoming W in the afternoon. Seas 2 to 3 ft.
SAT NIGHT SW winds 5 to 10 kt, becoming NW after midnight. Seas around 2 ft.
TONIGHT W winds 5 to 10 kt, becoming NW after midnight. Seas around 2 ft.
WED NW winds around 5 kt, becoming S in the afternoon. Seas around 2 ft.
WED NIGHT S winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas around 2 ft.
THU S winds 5 to 10 kt, increasing to 15 to 20 kt in the afternoon. Seas 2 to 4 ft.
THU NIGHT S winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 2 to 4 ft. A chance of showers in the evening, then showers likely after midnight.
FRI S winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely, mainly in the morning.
FRI NIGHT SW winds 5 to 10 kt, becoming NW after midnight. Seas 2 to 3 ft. A chance of showers in the evening.
SAT N winds around 5 kt, becoming W in the afternoon. Seas 2 to 3 ft.
SAT NIGHT SW winds 5 to 10 kt, becoming NW after midnight. Seas around 2 ft.
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
61°F
Partly Cloudy
5 mph SW
Tuesday
75°F
Sunny
5 to 10 mph SW
Tuesday Night
61°F
Mostly Clear
5 mph W
Wednesday
77°F
Sunny
0 to 10 mph W
Tides & Currents
View all| Time | Event | Height/Speed |
|---|---|---|
| Tue, Aug 25 1:07 AM | ebb | 1.0 kts |
| Tue, Aug 25 4:03 AM | low | 0.9 ft |
| Tue, Aug 25 5:06 AM | slack | slack |
| Tue, Aug 25 7:09 AM | flood | 0.5 kts |
| Tue, Aug 25 10:12 AM | high | 8.1 ft |
| Tue, Aug 25 10:30 AM | slack | slack |
| Tue, Aug 25 1:19 PM | ebb | 0.8 kts |
| Tue, Aug 25 4:02 PM | low | 1.6 ft |
| Tue, Aug 25 4:52 PM | slack | slack |
| Tue, Aug 25 7:10 PM | flood | 0.6 kts |
| Tue, Aug 25 10:18 PM | high | 9.5 ft |
| Tue, Aug 25 10:27 PM | slack | slack |