Portland Maine and Casco Bay Marine Weather
Marine Forecast
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TODAY W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft.
TONIGHT NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft.
SAT NW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas 1 foot or less.
SAT NIGHT 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 2 to 3 ft in the afternoon.
SUN NIGHT SW winds 10 to 15 kt with gusts up to 20 kt, becoming S 5 to 10 kt after midnight. Seas 2 to 3 ft. Showers likely.
MON E winds around 5 kt. Seas 2 to 3 ft. Showers likely in the morning.
MON NIGHT NE winds 5 to 10 kt. Seas 2 to 3 ft.
TUE E winds 5 to 10 kt, becoming SE 10 to 15 kt in the afternoon. Seas 2 to 4 ft. A chance of showers in the morning, then showers likely in the afternoon.
TUE NIGHT SE winds 10 to 15 kt, becoming W after midnight. Seas 2 to 4 ft. Showers likely, mainly in the evening.
TONIGHT NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft.
SAT NW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas 1 foot or less.
SAT NIGHT 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 2 to 3 ft in the afternoon.
SUN NIGHT SW winds 10 to 15 kt with gusts up to 20 kt, becoming S 5 to 10 kt after midnight. Seas 2 to 3 ft. Showers likely.
MON E winds around 5 kt. Seas 2 to 3 ft. Showers likely in the morning.
MON NIGHT NE winds 5 to 10 kt. Seas 2 to 3 ft.
TUE E winds 5 to 10 kt, becoming SE 10 to 15 kt in the afternoon. Seas 2 to 4 ft. A chance of showers in the morning, then showers likely in the afternoon.
TUE NIGHT SE winds 10 to 15 kt, becoming W after midnight. Seas 2 to 4 ft. Showers likely, mainly in the evening.
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
52°F
Mostly Clear
5 to 10 mph W
Friday
63°F
Sunny
5 to 20 mph W
Friday Night
46°F
Mostly Clear
5 to 10 mph W
Saturday
59°F
Sunny
5 to 10 mph NW
Tides and Currents
View all| Time | Event | Height/Speed |
|---|---|---|
| Fri, Oct 9 1:46 AM | ebb | 1.1 kts |
| Fri, Oct 9 4:30 AM | low | -0.2 ft |
| Fri, Oct 9 5:26 AM | slack | slack |
| Fri, Oct 9 7:54 AM | flood | 0.7 kts |
| Fri, Oct 9 10:43 AM | high | 10.1 ft |
| Fri, Oct 9 11:16 AM | slack | slack |
| Fri, Oct 9 2:12 PM | ebb | 1.2 kts |
| Fri, Oct 9 4:54 PM | low | -0.3 ft |
| Fri, Oct 9 5:52 PM | slack | slack |
| Fri, Oct 9 8:19 PM | flood | 0.7 kts |
| Fri, Oct 9 11:08 PM | high | 10.1 ft |
| Fri, Oct 9 11:41 PM | slack | slack |