Portland Maine and Casco Bay Marine Weather
Marine Forecast
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TODAY NW winds around 5 kt. Seas 2 to 4 ft. Areas of fog early this morning with vsby 1 NM or less.
TONIGHT NW winds 10 to 15 kt with gusts up to 20 kt, increasing to 15 to 20 kt with gusts up to 30 kt after midnight. Seas 2 to 4 ft.
THU NW winds 10 to 15 kt with gusts up to 30 kt, diminishing to 5 to 10 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft.
THU NIGHT N winds around 5 kt, becoming E after midnight. Seas around 2 ft in the evening, then 1 foot or less.
FRI S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Showers. Vsby 1 to 3 NM.
FRI NIGHT SW winds 10 to 15 kt, becoming NW 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 2 to 4 ft. Showers, mainly in the evening with vsby 1 to 3 NM.
SAT NW winds 20 to 25 kt with gusts up to 35 kt. Seas 2 to 4 ft.
SAT NIGHT NW winds 20 to 25 kt with gusts up to 35 kt, becoming W 10 to 15 kt with gusts up to 25 kt after midnight. Seas 2 to 4 ft.
SUN W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft.
SUN NIGHT W winds 5 to 10 kt, becoming SW after midnight. Seas 1 foot or less.
TONIGHT NW winds 10 to 15 kt with gusts up to 20 kt, increasing to 15 to 20 kt with gusts up to 30 kt after midnight. Seas 2 to 4 ft.
THU NW winds 10 to 15 kt with gusts up to 30 kt, diminishing to 5 to 10 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft.
THU NIGHT N winds around 5 kt, becoming E after midnight. Seas around 2 ft in the evening, then 1 foot or less.
FRI S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Showers. Vsby 1 to 3 NM.
FRI NIGHT SW winds 10 to 15 kt, becoming NW 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 2 to 4 ft. Showers, mainly in the evening with vsby 1 to 3 NM.
SAT NW winds 20 to 25 kt with gusts up to 35 kt. Seas 2 to 4 ft.
SAT NIGHT NW winds 20 to 25 kt with gusts up to 35 kt, becoming W 10 to 15 kt with gusts up to 25 kt after midnight. Seas 2 to 4 ft.
SUN W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft.
SUN NIGHT W winds 5 to 10 kt, becoming SW after midnight. Seas 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
52°F
Patchy Fog
5 mph SW
Wednesday
69°F
Patchy Fog then Mostly Sunny
5 to 10 mph W
Wednesday Night
48°F
Mostly Clear
5 to 10 mph NW
Thursday
57°F
Sunny
5 to 15 mph NW
Tides and Currents
View all| Time | Event | Height/Speed |
|---|---|---|
| Wed, Oct 14 2:01 AM | high | 8.9 ft |
| Wed, Oct 14 2:33 AM | slack | slack |
| Wed, Oct 14 5:29 AM | ebb | 0.9 kts |
| Wed, Oct 14 7:53 AM | low | 1.2 ft |
| Wed, Oct 14 9:07 AM | slack | slack |
| Wed, Oct 14 11:21 AM | flood | 0.5 kts |
| Wed, Oct 14 2:03 PM | high | 9.7 ft |
| Wed, Oct 14 2:29 PM | slack | slack |
| Wed, Oct 14 5:52 PM | ebb | 1.0 kts |
| Wed, Oct 14 8:29 PM | low | 0.4 ft |
| Wed, Oct 14 9:43 PM | slack | slack |
| Wed, Oct 14 11:59 PM | flood | 0.5 kts |