Portland Maine and Casco Bay Marine Weather
Marine Forecast
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TONIGHT S winds 5 to 10 kt, becoming SE late this evening and overnight. Seas around 2 ft this evening, then 1 foot or less.
MON SE winds 5 to 10 kt. Seas 1 foot or less.
MON NIGHT SE winds around 5 kt. Seas around 2 ft. A chance of showers after midnight.
TUE NE winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of rain.
TUE NIGHT NE winds 5 to 10 kt. Seas 2 to 3 ft.
WED NE winds 5 to 10 kt, becoming SE in the afternoon. Seas 2 to 4 ft.
WED NIGHT SW winds 5 to 10 kt. Seas 2 to 4 ft.
THU SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft.
THU NIGHT SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 4 ft.
FRI SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms in the afternoon.
FRI NIGHT NW winds around 5 kt. Seas around 2 ft. A chance of showers and tstms in the evening. Winds and seas higher in and near tstms.
MON SE winds 5 to 10 kt. Seas 1 foot or less.
MON NIGHT SE winds around 5 kt. Seas around 2 ft. A chance of showers after midnight.
TUE NE winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of rain.
TUE NIGHT NE winds 5 to 10 kt. Seas 2 to 3 ft.
WED NE winds 5 to 10 kt, becoming SE in the afternoon. Seas 2 to 4 ft.
WED NIGHT SW winds 5 to 10 kt. Seas 2 to 4 ft.
THU SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft.
THU NIGHT SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 4 ft.
FRI SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms in the afternoon.
FRI NIGHT NW winds around 5 kt. Seas around 2 ft. A chance of showers and tstms in the evening. Winds and seas higher in and near tstms.
Portland Maine and Casco Bay Nautical Charts
Charts for Portland Maine and Casco Bay in the Wind and Tides app
Weather
View allThis Afternoon
75°F
Mostly Sunny
10 mph S
Tonight
61°F
Mostly Cloudy
0 to 10 mph SE
Monday
71°F
Mostly Cloudy
5 to 10 mph SE
Monday Night
58°F
Cloudy then Chance Light Rain
0 to 5 mph E
Tides & Currents
View all| Time | Event | Height/Speed |
|---|---|---|
| Sun, Jul 5 3:39 PM | high | 9.0 ft |
| Sun, Jul 5 4:09 PM | slack | slack |
| Sun, Jul 5 7:26 PM | ebb | 1.0 kts |
| Sun, Jul 5 9:38 PM | low | 1.2 ft |
| Sun, Jul 5 11:01 PM | slack | slack |
| Mon, Jul 6 1:34 AM | flood | 0.6 kts |
| Mon, Jul 6 3:45 AM | high | 9.3 ft |
| Mon, Jul 6 4:07 AM | slack | slack |
| Mon, Jul 6 7:47 AM | ebb | 1.1 kts |
| Mon, Jul 6 10:02 AM | low | 0.4 ft |
| Mon, Jul 6 11:19 AM | slack | slack |
| Mon, Jul 6 1:59 PM | flood | 0.8 kts |