Portland Maine and Casco Bay Marine Weather
Marine Forecast
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TODAY NW winds 5 to 10 kt, becoming N early this afternoon, then becoming S late. Seas 1 foot or less. A slight chance of showers late this morning.
TONIGHT S winds around 5 kt, becoming E after midnight. Seas 1 foot or less.
WED SE winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft in the afternoon.
WED NIGHT S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers in the evening, then showers after midnight with vsby 1 to 3 NM.
THU SW winds 15 to 20 kt, becoming W 10 to 15 kt in the afternoon. Seas 2 to 4 ft. Showers likely in the morning.
THU NIGHT NW winds 5 to 10 kt. Seas 2 to 4 ft.
FRI NW winds 5 to 10 kt. Seas around 2 ft.
FRI NIGHT NW winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas around 2 ft.
SAT NW winds around 5 kt, becoming S in the afternoon. Seas 1 foot or less, then around 2 ft in the afternoon.
SAT NIGHT S winds 5 to 10 kt. Seas around 2 ft.
TONIGHT S winds around 5 kt, becoming E after midnight. Seas 1 foot or less.
WED SE winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft in the afternoon.
WED NIGHT S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers in the evening, then showers after midnight with vsby 1 to 3 NM.
THU SW winds 15 to 20 kt, becoming W 10 to 15 kt in the afternoon. Seas 2 to 4 ft. Showers likely in the morning.
THU NIGHT NW winds 5 to 10 kt. Seas 2 to 4 ft.
FRI NW winds 5 to 10 kt. Seas around 2 ft.
FRI NIGHT NW winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas around 2 ft.
SAT NW winds around 5 kt, becoming S in the afternoon. Seas 1 foot or less, then around 2 ft in the afternoon.
SAT NIGHT S winds 5 to 10 kt. 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
60°F
Partly Cloudy
5 mph W
Tuesday
73°F
Mostly Sunny
5 mph N
Tuesday Night
57°F
Mostly Cloudy
0 to 5 mph E
Wednesday
68°F
Mostly Cloudy
5 to 10 mph SE
Tides and Currents
View all| Time | Event | Height/Speed |
|---|---|---|
| Tue, Sep 8 12:13 AM | ebb | 1.2 kts |
| Tue, Sep 8 3:03 AM | low | 0.0 ft |
| Tue, Sep 8 4:08 AM | slack | slack |
| Tue, Sep 8 6:24 AM | flood | 0.6 kts |
| Tue, Sep 8 9:17 AM | high | 8.9 ft |
| Tue, Sep 8 9:45 AM | slack | slack |
| Tue, Sep 8 12:38 PM | ebb | 1.0 kts |
| Tue, Sep 8 3:14 PM | low | 0.6 ft |
| Tue, Sep 8 4:07 PM | slack | slack |
| Tue, Sep 8 6:36 PM | flood | 0.7 kts |
| Tue, Sep 8 9:34 PM | high | 10.4 ft |
| Tue, Sep 8 10:02 PM | slack | slack |