Portland Maine and Casco Bay Marine Weather
Marine Forecast
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TODAY NW winds 5 to 10 kt. Seas around 2 ft this morning, then 1 foot or less.
TONIGHT N winds around 5 kt, becoming E after midnight. Seas 1 foot or less.
SUN S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 1 foot or less, then around 2 ft in the afternoon.
SUN NIGHT SW winds 10 to 15 kt with gusts up to 20 kt, becoming SE 5 to 10 kt after midnight. Seas around 2 ft. Showers. Vsby 1 to 3 NM after midnight.
MON NE winds around 5 kt, becoming NW in the afternoon. Seas around 2 ft. Showers in the morning with vsby 1 to 3 NM.
MON NIGHT NW winds around 5 kt, becoming NE 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft.
TUE NE winds 10 to 15 kt, becoming E 15 to 20 kt in the afternoon. Seas 2 to 4 ft. Showers.
TUE NIGHT E winds 15 to 20 kt, becoming NE 10 to 15 kt after midnight. Seas 2 to 4 ft. Showers.
WED N winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers in the morning.
WED NIGHT N winds 10 to 15 kt, becoming NW 5 to 10 kt after midnight. Seas 2 to 4 ft.
TONIGHT N winds around 5 kt, becoming E after midnight. Seas 1 foot or less.
SUN S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 1 foot or less, then around 2 ft in the afternoon.
SUN NIGHT SW winds 10 to 15 kt with gusts up to 20 kt, becoming SE 5 to 10 kt after midnight. Seas around 2 ft. Showers. Vsby 1 to 3 NM after midnight.
MON NE winds around 5 kt, becoming NW in the afternoon. Seas around 2 ft. Showers in the morning with vsby 1 to 3 NM.
MON NIGHT NW winds around 5 kt, becoming NE 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft.
TUE NE winds 10 to 15 kt, becoming E 15 to 20 kt in the afternoon. Seas 2 to 4 ft. Showers.
TUE NIGHT E winds 15 to 20 kt, becoming NE 10 to 15 kt after midnight. Seas 2 to 4 ft. Showers.
WED N winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers in the morning.
WED NIGHT N winds 10 to 15 kt, becoming NW 5 to 10 kt after midnight. Seas 2 to 4 ft.
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
Clear
5 mph NW
Saturday
58°F
Sunny
5 to 10 mph NW
Saturday Night
40°F
Partly Cloudy
0 to 5 mph NE
Sunday
59°F
Partly Sunny
0 to 15 mph SW
Tides and Currents
View all| Time | Event | Height/Speed |
|---|---|---|
| Sat, Oct 10 2:35 AM | ebb | 1.1 kts |
| Sat, Oct 10 5:14 AM | low | -0.1 ft |
| Sat, Oct 10 6:11 AM | slack | slack |
| Sat, Oct 10 8:35 AM | flood | 0.7 kts |
| Sat, Oct 10 11:27 AM | high | 10.3 ft |
| Sat, Oct 10 11:58 AM | slack | slack |
| Sat, Oct 10 2:59 PM | ebb | 1.2 kts |
| Sat, Oct 10 5:41 PM | low | -0.5 ft |
| Sat, Oct 10 6:38 PM | slack | slack |
| Sat, Oct 10 9:03 PM | flood | 0.7 kts |
| Sat, Oct 10 11:54 PM | high | 9.9 ft |