Portland Maine and Casco Bay Marine Weather
Marine Forecast
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TONIGHT S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.
TUE S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.
TUE NIGHT S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Showers with a chance of tstms.
WED S winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 2 to 4 ft. A chance of showers. A chance of tstms in the afternoon.
WED NIGHT SW winds 15 to 20 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 4 ft. A chance of showers and tstms in the evening.
THU W winds 5 to 10 kt. Seas 2 to 4 ft.
THU NIGHT W winds 5 to 10 kt, becoming NW after midnight. Seas 2 to 3 ft.
FRI W winds around 5 kt, becoming S in the afternoon. Seas around 2 ft.
FRI NIGHT S winds 5 to 10 kt, becoming SW after midnight. Seas around 2 ft.
SAT S winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Seas around 2 ft.
SAT NIGHT S winds 5 to 10 kt, becoming SW after midnight. Seas around 2 ft. Winds and seas higher in and near tstms.
TUE S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.
TUE NIGHT S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Showers with a chance of tstms.
WED S winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 2 to 4 ft. A chance of showers. A chance of tstms in the afternoon.
WED NIGHT SW winds 15 to 20 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 4 ft. A chance of showers and tstms in the evening.
THU W winds 5 to 10 kt. Seas 2 to 4 ft.
THU NIGHT W winds 5 to 10 kt, becoming NW after midnight. Seas 2 to 3 ft.
FRI W winds around 5 kt, becoming S in the afternoon. Seas around 2 ft.
FRI NIGHT S winds 5 to 10 kt, becoming SW after midnight. Seas around 2 ft.
SAT S winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Seas around 2 ft.
SAT NIGHT S winds 5 to 10 kt, becoming SW after midnight. Seas around 2 ft. Winds and seas higher in and near tstms.
Portland Maine and Casco Bay Nautical Charts
NOAA nautical charts for Portland Maine and Casco Bay in the Wind and Tides app
Weather
View allTonight
59°F
Partly Cloudy
5 to 15 mph S
Tuesday
67°F
Mostly Cloudy then Slight Chance Rain Showers
5 to 15 mph S
Tuesday Night
62°F
Chance Showers And Thunderstorms then Showers And Thunderstorms
10 to 15 mph S
Wednesday
75°F
Chance Rain Showers
10 to 15 mph S
Tides & Currents
View all| Time | Event | Height/Speed |
|---|---|---|
| Mon, Jul 20 8:16 PM | ebb | 1.0 kts |
| Mon, Jul 20 11:04 PM | low | 0.7 ft |
| Tue, Jul 21 12:12 AM | slack | slack |
| Tue, Jul 21 2:22 AM | flood | 0.5 kts |
| Tue, Jul 21 5:15 AM | high | 8.9 ft |
| Tue, Jul 21 5:34 AM | slack | slack |
| Tue, Jul 21 8:37 AM | ebb | 0.9 kts |
| Tue, Jul 21 11:20 AM | low | 0.9 ft |
| Tue, Jul 21 12:27 PM | slack | slack |
| Tue, Jul 21 2:39 PM | flood | 0.5 kts |
| Tue, Jul 21 5:41 PM | high | 9.5 ft |
| Tue, Jul 21 5:56 PM | slack | slack |