Portland Maine and Casco Bay Marine Weather
Marine Forecast
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TODAY NW winds around 5 kt, becoming SW late. Seas 1 foot or less.
TONIGHT W winds 5 to 10 kt, becoming N after midnight. Seas 1 foot or less.
SUN NE winds around 5 kt, becoming S in the afternoon. Seas 1 foot or less, then around 2 ft in the afternoon.
SUN NIGHT S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Showers likely after midnight.
MON S winds 15 to 20 kt, becoming SE 10 to 15 kt in the afternoon. Seas 2 to 4 ft. Showers. Vsby 1 to 3 NM in the morning.
MON NIGHT E winds 5 to 10 kt, becoming N after midnight. Seas 2 to 4 ft. A chance of showers in the evening.
TUE N winds around 5 kt, becoming SE in the afternoon. Seas 2 to 4 ft.
TUE NIGHT S winds around 5 kt, becoming W after midnight. Seas 2 to 3 ft.
WED W winds around 5 kt, becoming S in the afternoon. Seas 2 to 3 ft.
WED NIGHT S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers after midnight.
TONIGHT W winds 5 to 10 kt, becoming N after midnight. Seas 1 foot or less.
SUN NE winds around 5 kt, becoming S in the afternoon. Seas 1 foot or less, then around 2 ft in the afternoon.
SUN NIGHT S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Showers likely after midnight.
MON S winds 15 to 20 kt, becoming SE 10 to 15 kt in the afternoon. Seas 2 to 4 ft. Showers. Vsby 1 to 3 NM in the morning.
MON NIGHT E winds 5 to 10 kt, becoming N after midnight. Seas 2 to 4 ft. A chance of showers in the evening.
TUE N winds around 5 kt, becoming SE in the afternoon. Seas 2 to 4 ft.
TUE NIGHT S winds around 5 kt, becoming W after midnight. Seas 2 to 3 ft.
WED W winds around 5 kt, becoming S in the afternoon. Seas 2 to 3 ft.
WED NIGHT S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers after midnight.
Portland Maine and Casco Bay Nautical Charts
NOAA nautical charts for Portland Maine and Casco Bay in the Wind and Tides app
Weather
View allToday
76°F
Sunny
5 mph NW
Tonight
58°F
Mostly Clear
5 mph W
Sunday
73°F
Mostly Sunny
5 to 10 mph E
Sunday Night
63°F
Rain Showers Likely
10 to 15 mph S
Tides & Currents
View all| Time | Event | Height/Speed |
|---|---|---|
| Sat, Aug 15 11:00 AM | flood | 0.7 kts |
| Sat, Aug 15 1:48 PM | high | 10.2 ft |
| Sat, Aug 15 2:24 PM | slack | slack |
| Sat, Aug 15 5:18 PM | ebb | 1.1 kts |
| Sat, Aug 15 7:52 PM | low | -0.3 ft |
| Sat, Aug 15 8:56 PM | slack | slack |
| Sat, Aug 15 11:20 PM | flood | 0.7 kts |
| Sun, Aug 16 2:06 AM | high | 10.4 ft |
| Sun, Aug 16 2:39 AM | slack | slack |
| Sun, Aug 16 5:39 AM | ebb | 1.1 kts |
| Sun, Aug 16 8:18 AM | low | -0.4 ft |
| Sun, Aug 16 9:21 AM | slack | slack |