Portland Maine and Casco Bay Marine Weather
Marine Forecast
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TODAY N winds around 5 kt, becoming W around 5 kt this afternoon. Seas around 2 ft this morning, then 1 foot or less. A chance of rain early this morning. Areas of fog early this morning with vsby 1 to 3 NM.
TONIGHT NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of rain after midnight with vsby 1 to 3 NM.
TUE E winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 2 to 4 ft. Rain. Vsby 1 to 3 NM.
TUE NIGHT SE winds 15 to 20 kt, becoming SW after midnight. Gusts up to 30 kt. Seas 2 to 4 ft. Rain. Vsby 1 to 3 NM.
WED NW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 4 ft. A chance of rain in the morning.
WED NIGHT NW winds 5 to 10 kt. Seas 2 to 4 ft.
THU NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.
THU NIGHT N winds 5 to 10 kt, becoming NE after midnight. Seas around 2 ft.
FRI SE winds 10 to 15 kt with gusts up to 20 kt, increasing to 15 to 20 kt with gusts up to 30 kt in the afternoon. Seas 1 foot or less, then 2 to 3 ft in the afternoon. Showers.
FRI NIGHT W winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Showers, mainly in the evening.
TONIGHT NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of rain after midnight with vsby 1 to 3 NM.
TUE E winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 2 to 4 ft. Rain. Vsby 1 to 3 NM.
TUE NIGHT SE winds 15 to 20 kt, becoming SW after midnight. Gusts up to 30 kt. Seas 2 to 4 ft. Rain. Vsby 1 to 3 NM.
WED NW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 4 ft. A chance of rain in the morning.
WED NIGHT NW winds 5 to 10 kt. Seas 2 to 4 ft.
THU NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.
THU NIGHT N winds 5 to 10 kt, becoming NE after midnight. Seas around 2 ft.
FRI SE winds 10 to 15 kt with gusts up to 20 kt, increasing to 15 to 20 kt with gusts up to 30 kt in the afternoon. Seas 1 foot or less, then 2 to 3 ft in the afternoon. Showers.
FRI NIGHT W winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Showers, 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
51°F
Light Rain
0 to 5 mph NE
Columbus Day
67°F
Mostly Sunny
0 to 5 mph NW
Monday Night
48°F
Mostly Cloudy then Slight Chance Rain Showers
5 to 15 mph NE
Tuesday
54°F
Rain
10 to 15 mph E
Tides and Currents
View all| Time | Event | Height/Speed |
|---|---|---|
| Mon, Oct 12 12:38 AM | high | 9.7 ft |
| Mon, Oct 12 1:12 AM | slack | slack |
| Mon, Oct 12 4:03 AM | ebb | 1.1 kts |
| Mon, Oct 12 6:35 AM | low | 0.4 ft |
| Mon, Oct 12 7:37 AM | slack | slack |
| Mon, Oct 12 9:53 AM | flood | 0.6 kts |
| Mon, Oct 12 12:46 PM | high | 10.2 ft |
| Mon, Oct 12 1:14 PM | slack | slack |
| Mon, Oct 12 4:24 PM | ebb | 1.1 kts |
| Mon, Oct 12 7:06 PM | low | -0.3 ft |
| Mon, Oct 12 8:04 PM | slack | slack |
| Mon, Oct 12 10:26 PM | flood | 0.7 kts |