Portland Maine and Casco Bay Marine Weather
Marine Forecast
View allSMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH THURSDAY MORNING
TODAY E winds 5 to 10 kt, becoming SE this afternoon. Seas 1 foot or less, then around 2 ft this afternoon.TONIGHT S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Showers. Vsby 1 to 3 NM.
THU SW winds 15 to 20 kt, becoming W 10 to 15 kt in the afternoon. Seas 2 to 4 ft. Showers likely in the morning.
THU NIGHT NW winds 10 to 15 kt, diminishing to around 5 kt after midnight. Seas 2 to 4 ft.
FRI NW winds 5 to 10 kt. Seas around 2 ft.
FRI NIGHT NW winds around 5 kt. Seas around 2 ft in the evening, then 1 foot or less.
SAT W winds around 5 kt, becoming S in the afternoon. Seas 1 foot or less, then around 2 ft in the afternoon.
SAT NIGHT S winds 5 to 10 kt. Seas around 2 ft.
SUN S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft.
SUN NIGHT SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 4 ft.
Portland Maine and Casco Bay Nautical Charts
NOAA nautical charts for Portland Maine and Casco Bay in the Wind and Tides app
Weather
View allOvernight
58°F
Mostly Cloudy
5 mph NE
Wednesday
68°F
Mostly Cloudy
5 to 10 mph SE
Wednesday Night
65°F
Showers And Thunderstorms
10 to 20 mph S
Thursday
80°F
Rain Showers Likely then Mostly Sunny
15 mph W
Tides and Currents
View all| Time | Event | Height/Speed |
|---|---|---|
| Wed, Sep 9 1:13 AM | ebb | 1.2 kts |
| Wed, Sep 9 4:00 AM | low | -0.4 ft |
| Wed, Sep 9 5:04 AM | slack | slack |
| Wed, Sep 9 7:28 AM | flood | 0.7 kts |
| Wed, Sep 9 10:13 AM | high | 9.4 ft |
| Wed, Sep 9 10:47 AM | slack | slack |
| Wed, Sep 9 1:37 PM | ebb | 1.1 kts |
| Wed, Sep 9 4:12 PM | low | 0.1 ft |
| Wed, Sep 9 5:09 PM | slack | slack |
| Wed, Sep 9 7:37 PM | flood | 0.7 kts |
| Wed, Sep 9 10:30 PM | high | 10.7 ft |
| Wed, Sep 9 11:02 PM | slack | slack |