Portland Maine and Casco Bay Marine Weather
Marine Forecast
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TODAY S winds around 5 kt, increasing to 10 to 15 kt with gusts up to 20 kt. Seas 1 foot or less, then around 2 ft this afternoon.
TONIGHT SW winds 10 to 15 kt with gusts up to 20 kt, becoming E around 5 kt after midnight. Seas around 2 ft. Showers. Vsby 1 to 3 NM after midnight.
MON N winds around 5 kt, becoming W around 5 kt in the afternoon. Seas around 2 ft. A chance of showers in the morning.
MON NIGHT N winds 10 to 15 kt, becoming NE after midnight. Seas 2 to 4 ft. A chance of rain after midnight.
TUE E winds 10 to 15 kt, becoming SE 15 to 20 kt in the afternoon. Seas 2 to 4 ft. Rain. Vsby 1 to 3 NM in the afternoon.
TUE NIGHT S winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Rain. Vsby 1 to 3 NM in the evening.
WED NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Showers likely in the morning.
WED NIGHT NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft.
THU NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft.
THU NIGHT NW winds 10 to 15 kt with gusts up to 20 kt, becoming N 5 to 10 kt after midnight. Seas around 2 ft in the evening, then 1 foot or less.
TONIGHT SW winds 10 to 15 kt with gusts up to 20 kt, becoming E around 5 kt after midnight. Seas around 2 ft. Showers. Vsby 1 to 3 NM after midnight.
MON N winds around 5 kt, becoming W around 5 kt in the afternoon. Seas around 2 ft. A chance of showers in the morning.
MON NIGHT N winds 10 to 15 kt, becoming NE after midnight. Seas 2 to 4 ft. A chance of rain after midnight.
TUE E winds 10 to 15 kt, becoming SE 15 to 20 kt in the afternoon. Seas 2 to 4 ft. Rain. Vsby 1 to 3 NM in the afternoon.
TUE NIGHT S winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Rain. Vsby 1 to 3 NM in the evening.
WED NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Showers likely in the morning.
WED NIGHT NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft.
THU NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft.
THU NIGHT NW winds 10 to 15 kt with gusts up to 20 kt, becoming N 5 to 10 kt after midnight. Seas around 2 ft in the evening, then 1 foot or less.
Portland Maine and Casco Bay Nautical Charts
NOAA nautical charts with your GPS position and a wind map for Portland Maine and Casco Bay in the Wind and Tides app
Weather
View allOvernight
44°F
Partly Cloudy
0 mph
Sunday
59°F
Mostly Cloudy
0 to 10 mph SW
Sunday Night
50°F
Rain Showers
0 to 10 mph SE
Columbus Day
66°F
Chance Rain Showers then Mostly Sunny
5 mph NW
Tides and Currents
View all| Time | Event | Height/Speed |
|---|---|---|
| Sun, Oct 11 12:29 AM | slack | slack |
| Sun, Oct 11 3:20 AM | ebb | 1.1 kts |
| Sun, Oct 11 5:55 AM | low | 0.1 ft |
| Sun, Oct 11 6:54 AM | slack | slack |
| Sun, Oct 11 9:14 AM | flood | 0.7 kts |
| Sun, Oct 11 12:07 PM | high | 10.4 ft |
| Sun, Oct 11 12:37 PM | slack | slack |
| Sun, Oct 11 3:42 PM | ebb | 1.2 kts |
| Sun, Oct 11 6:24 PM | low | -0.5 ft |
| Sun, Oct 11 7:21 PM | slack | slack |
| Sun, Oct 11 9:44 PM | flood | 0.7 kts |