Belfast, Penobscot River Sea Conditions and Tide Table

Belfast, Penobscot River 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 07:25 PM.

Days 1–4 Weather Summary

Light rain (total 4mm), mostly falling on Mon night. Cool air temperatures (max 12°C on Mon afternoon, min 1°C on Sun night). Winds decreasing (fresh winds from the NW on Sun afternoon, calm by Mon afternoon).

Days 5–7 Weather Summary

Heavy rain (total 20mm), heaviest during Sat morning. Cool air temperatures (max 12°C on Thu morning, min 5°C on Fri morning). Wind will be generally light.

Days 8–10 Weather Summary

Light rain (total 6mm), mostly falling on Sat afternoon. Very mild (max 14°C on Mon afternoon, min 2°C on Sun night). Winds increasing (calm on Sat afternoon, fresh winds from the WNW by Sun afternoon).

Days 11–13 Weather Summary

Moderate rain (total 13mm), heaviest on Wed morning. Very mild (max 15°C on Thu morning, min 6°C on Tue night). Wind will be generally light.

Sun
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Saturday
26
Sunday
27
Monday
28
Tuesday
29
Wednesday
30
Thursday
1
Fri
2
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
night
AM
Wave Height Map
High Tide
5:06PM2.65m
5:14AM3.02m
6:05PM2.71m
6:16AM3.05m
7:04PM2.85m
7:20AM3.14m
8:01PM3.07m
8:21AM3.26m
8:54PM3.33m
9:19AM3.40m
9:44PM3.59m
10:14AM3.52m
10:33PM3.82m
11:07AM3.59m
11:21PM3.97m
11:59AM3.59m
00:10AM4.03m
12:51PM3.53m
1:01AM3.99m
1:46PM3.41m
1:54AM3.86m
2:42PM3.26m
2:51AM3.67m
Low Tide
10:59PM0.67m
11:46AM0.36m
00:01AM0.61m
12:45PM0.30m
1:06AM0.47m
1:43PM0.19m
2:08AM0.25m
2:38PM0.05m
3:06AM-0.01m
3:30PM-0.09m
4:01AM-0.27m
4:20PM-0.19m
4:53AM-0.48m
5:08PM-0.24m
5:45AM-0.61m
5:57PM-0.23m
6:37AM-0.63m
6:48PM-0.16m
7:30AM-0.56m
7:40PM-0.03m
8:25AM-0.41m
8:36PM0.13m
9:24AM-0.22m
Wave
height (m) 
direction
period (s) 
0.7
NW
3
0.4
NW
3
0.2
S
8
0.4
S
3
0.3
S
3
0.5
S
5
0.3
S
6
0.2
S
6
0.2
S
6
0.2
S
7
0.1
S
7
0.1
S
6
0.2
S
2
0.1
S
6
0.1
S
6
0.2
SSE
2
0.2
SSE
2
1
SSE
5
0.5
S
7
0.3
SSE
8
0.4
SSE
8
0.4
WNW
3
0.2
S
7
0.3
W
2
0.3
NW
2
0.1
S
7
0.1
S
6
0.2
S
2
0.2
S
3
0.2
S
5
0.2
S
6
0.2
S
7
0.2
S
8
0.3
S
8
0.3
S
8
0.2
S
8
clear
clear
clear
part cloud
light rain
light rain
cloud
part cloud
cloud
part cloud
clear
part cloud
cloud
part cloud
part cloud
part cloud
light rain
heavy rain
mod rain
clear
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
cloud
cloud
light rain
light rain
light rain
cloud
light rain
part cloud
clear
clear
clear
clear
some clouds
light rain
light rain
cloudy
some clouds
cloudy
some clouds
clear
some clouds
cloudy
some clouds
some clouds
some clouds
light rain
heavy rain
mod rain
clear
some clouds
some clouds
clear
clear
clear
some clouds
some clouds
cloudy
cloudy
light rain
light rain
light rain
cloudy
light rain
some clouds
clear
 km/h
30
NW
15
NW
10
N
15
S
10
S
15
SSE
5
E
5
WNW
15
NW
15
NW
5
NW
5
SW
10
SE
5
NNW
5
NE
15
SSE
15
SE
25
SSE
0
NW
5
W
25
WNW
25
NW
15
WNW
25
NW
20
NW
10
WNW
5
S
15
S
10
SE
10
E
0
S
5
SE
0
NW
5
NW
15
NW
10
NW
 mm 
3
1
4
16
6
3
4
5
1
max°C
10
7
8
12
7
4
6
7
8
10
8
12
11
10
9
11
6
7
8
10
9
10
8
10
14
11
13
13
7
6
7
8
15
14
11
12
Moonrise
2:12
2:47
3:16
3:40
4:01
4:22
4:43
5:07
5:36
6:13
7:01
8:02
9:12
Moonset
10:40
11:53
1:09
2:26
3:44
5:05
6:27
7:53
9:21
10:44
11:57
12:54
Sunrise
5:41
5:41
5:39
5:37
5:35
5:33
5:33
5:31
5:30
5:28
5:26
5:24
Sunset
7:25
7:27
7:28
7:29
7:30
7:31
7:32
7:34
7:36
7:37
7:37
7:38
Today's sea temperature in Belfast, Penobscot River is 4.0 °C (Statistics for 20 Apr 1981-2005 – mean: 5.0 max: 6.6 min: 3.4°C)
Issued (local time): 1 pm Sunday 20 Apr 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest