Portland, Casco Bay Sea Conditions and Tide Table

Portland, Casco Bay Sea Conditions table showing wave height, swell direction and period.

High and low tide times are also provided on the table along with the moon phase and forecast weather. Sunrise today is at — and sunset is at 07:37 PM.

Days 1–4 Weather Summary

Mostly dry. Cool air temperatures (max 12°C on Sun afternoon, min 4°C on Thu night). Wind will be generally light.

Days 5–7 Weather Summary

Light rain (total 4mm), mostly falling on Tue morning. Cool air temperatures (max 16°C on Mon afternoon, min 3°C on Tue afternoon). Wind will be generally light.

Days 8–10 Weather Summary

Mostly dry. Warm (max 23°C on Thu afternoon, min 5°C on Wed night). Wind will be generally light.

Days 11–13 Weather Summary

Moderate rain (total 10mm), heaviest on Tue morning. Very mild (max 12°C on Mon afternoon, min 7°C on Sun night). Wind will be generally light.

Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
1
Thursday
2
Friday
3
Saturday
4
Sunday
5
Monday
6
Tue
7
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
Wave Height Map
High Tide
00:59AM2.98m
1:36PM2.62m
1:35AM2.99m
2:16PM2.57m
2:16AM2.97m
3:01PM2.53m
3:02AM2.95m
3:51PM2.51m
3:55AM2.91m
4:47PM2.51m
4:55AM2.89m
5:49PM2.56m
6:00AM2.88m
6:52PM2.68m
7:08AM2.91m
7:53PM2.85m
8:14AM2.98m
8:49PM3.05m
9:15AM3.05m
9:42PM3.24m
10:13AM3.11m
10:33PM3.39m
11:07AM3.13m
Low Tide
6:49PM0.35m
7:23AM0.05m
7:25PM0.38m
8:02AM0.05m
8:05PM0.42m
8:45AM0.08m
8:50PM0.46m
9:34AM0.11m
9:42PM0.49m
10:28AM0.13m
10:41PM0.49m
11:28AM0.14m
11:46PM0.45m
12:30PM0.11m
00:54AM0.34m
1:32PM0.05m
2:00AM0.17m
2:30PM-0.02m
3:02AM-0.03m
3:25PM-0.10m
3:59AM-0.22m
4:16PM-0.14m
4:53AM-0.37m
Wave
height (m) 
direction
period (s) 
0.6
ESE
8
0.4
ESE
9
0.7
SE
8
0.6
ESE
8
0.4
SE
8
0.4
ESE
7
0.6
ESE
11
0.5
SE
10
0.7
ESE
10
0.5
ESE
9
0.5
ESE
9
0.4
ESE
10
0.4
ESE
10
0.5
E
10
0.6
E
9
0.9
SSE
4
0.6
SSE
4
0.5
SSE
4
0.6
SSE
4
0.6
SSE
4
0.6
SSE
4
0.4
SE
12
0.4
SE
12
0.3
SE
12
0.3
SE
12
0.4
SE
11
0.4
SE
11
0.3
SE
11
0.5
E
4
0.5
E
4
0.4
SE
7
0.7
SE
7
0.9
ESE
6
1.6
ESE
9
1.9
ESE
10
1.6
ESE
10
clear
clear
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
light rain
light rain
light rain
cloud
cloud
cloud
part cloud
clear
part cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
cloud
light rain
light rain
light rain
clear
clear
some clouds
clear
clear
clear
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
light rain
light rain
light rain
cloudy
cloudy
cloudy
some clouds
clear
some clouds
cloudy
cloudy
cloudy
some clouds
some clouds
some clouds
some clouds
clear
some clouds
some clouds
cloudy
light rain
light rain
light rain
 km/h
5
NNW
0
WNW
15
S
5
NW
10
ESE
15
SSE
5
SSE
10
S
15
S
5
NNE
15
NE
10
E
5
SSW
15
SSE
15
SSE
10
SSE
10
SSE
10
SSE
10
S
0
N
15
W
10
NNW
10
E
10
S
5
N
10
ENE
15
SSE
5
ENE
15
E
10
ESE
5
NNE
15
ENE
15
NE
25
N
25
N
25
N
 mm 
1.0
1.0
2.0
1.0
4
4
max°C
7
9
11
8
10
11
8
8
12
11
15
16
11
6
4
5
5
6
8
17
23
18
11
11
9
11
11
9
9
9
8
10
12
12
9
9
Moonrise
9:51
11:00
12:05
1:02
1:49
2:27
2:57
3:22
3:44
4:06
4:28
4:52
Moonset
6:12
6:42
7:22
8:13
9:16
10:28
11:45
1:04
2:23
3:41
5:00
6:20
7:42
Sunrise
5:39
5:37
5:37
5:35
5:33
5:31
5:31
5:28
5:28
5:26
5:24
5:24
Sunset
7:37
7:37
7:38
7:39
7:40
7:42
7:44
7:45
7:45
7:46
7:47
7:49
7:51
Today's sea temperature in Portland, Casco Bay is 7.3 °C (Statistics for 25 Apr 1981-2005 – mean: 6.0 max: 7.5 min: 4.3°C)
Nearest