Charlestown Bridge, Charles River Sea Conditions and Tide Table

Charlestown Bridge, Charles 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 05:41 AM and sunset is at 07:40 PM.

Days 1–3 Weather Summary

Light rain (total 4mm), mostly falling on Wed night. Cool air temperatures (max 13°C on Fri morning, min 5°C on Fri night). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Cool air temperatures (max 18°C on Mon afternoon, min 5°C on Sat night). Wind will be generally light.

Days 7–9 Weather Summary

Light rain (total 6mm), mostly falling on Tue night. Very mild (max 17°C on Tue afternoon, min 9°C on Tue night). Wind will be generally light.

Days 10–12 Weather Summary

Some drizzle, heaviest during Sat night. Very mild (max 17°C on Fri afternoon, min 5°C on Sun night). Wind will be generally light.

Wednesday
29
Thursday
30
Friday
1
Saturday
2
Sunday
3
Monday
4
Tuesday
5
Wednesday
6
Thursday
7
Friday
8
Saturday
9
Sunday
10
Monday
11
Tuesday
12
Wednesday
13
Thu
14
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
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
Wave Height Map
High Tide
10:42AM2.93m
10:58PM3.12m
11:27AM2.91m
11:37PM3.16m
12:08PM2.89m
00:14AM3.17m
12:47PM2.85m
00:50AM3.15m
1:26PM2.80m
1:28AM3.11m
2:05PM2.73m
2:07AM3.05m
2:46PM2.65m
2:49AM2.98m
3:30PM2.58m
3:33AM2.90m
4:17PM2.53m
4:21AM2.83m
5:06PM2.51m
5:13AM2.78m
5:57PM2.54m
6:07AM2.75m
6:48PM2.62m
7:02AM2.76m
7:39PM2.76m
7:58AM2.82m
8:28PM2.94m
8:52AM2.90m
Low Tide
4:42PM0.20m
5:13AM0.04m
5:23PM0.23m
5:54AM-0.01m
6:01PM0.27m
6:33AM-0.01m
6:39PM0.31m
7:12AM0.01m
7:18PM0.37m
7:51AM0.06m
7:57PM0.44m
8:32AM0.14m
8:39PM0.51m
9:15AM0.22m
9:23PM0.58m
10:00AM0.30m
10:10PM0.64m
10:48AM0.37m
11:01PM0.67m
11:38AM0.40m
11:55PM0.66m
12:30PM0.39m
00:52AM0.58m
1:21PM0.34m
1:48AM0.44m
2:13PM0.27m
2:43AM0.24m
3:03PM0.18m
Wave
height (m) 
direction
period (s) 
part cloud
part cloud
light rain
light rain
cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
clear
part cloud
cloud
clear
clear
part cloud
clear
part cloud
cloud
rain showers
cloud
clear
part cloud
light rain
light rain
rain showers
clear
part cloud
clear
part cloud
cloud
rain showers
part cloud
cloud
clear
part cloud
cloud
clear
cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
some clouds
some clouds
light rain
light rain
cloudy
some clouds
some clouds
some clouds
clear
some clouds
some clouds
clear
some clouds
cloudy
clear
clear
some clouds
clear
some clouds
cloudy
rain shwrs
cloudy
clear
some clouds
light rain
light rain
rain shwrs
clear
some clouds
clear
some clouds
cloudy
rain shwrs
some clouds
cloudy
clear
some clouds
cloudy
clear
cloudy
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
 km/h
15
ENE
10
ENE
5
E
5
SSW
5
W
10
WNW
15
NW
20
WNW
15
W
10
W
10
WSW
10
WNW
15
W
20
W
10
W
15
WSW
20
SW
15
SSW
30
SSW
25
SSW
15
WNW
5
E
10
SE
5
S
10
SSE
15
SSE
15
WSW
20
WNW
25
WNW
15
W
20
W
15
WSW
10
W
15
WNW
20
WNW
10
W
15
W
15
NW
5
NNW
20
NE
15
E
5
NNE
5
NNE
5
E
10
W
5
NE
10
ESE
 mm 
2
2
2
1
1
2
1
max°C
9
11
9
11
12
11
13
12
10
12
13
11
11
13
10
15
18
14
15
17
14
13
16
12
13
15
15
15
17
14
14
16
11
13
15
12
14
15
13
9
10
7
10
13
12
17
19
Moonrise
5:58
7:03
8:09
9:13
10:16
11:13
12:03
12:45
1:20
1:49
2:13
2:36
2:56
3:18
3:41
Moonset
4:27
4:47
5:10
5:37
6:09
6:49
7:36
8:32
9:33
10:38
11:44
12:51
2:00
3:10
4:23
5:40
Sunrise
5:41
5:41
5:39
5:37
5:37
5:35
5:33
5:33
5:31
5:31
5:28
5:28
5:26
5:26
5:24
5:24
Sunset
7:40
7:42
7:43
7:44
7:45
7:45
7:46
7:47
7:50
7:51
7:52
7:52
7:53
7:54
7:55
7:57
Today's sea temperature in Charlestown Bridge, Charles River is
8.9° C
(Statistics for 29 Apr 1981-2005 – mean: 7.2 max: 8.8 min: 5.3°C)
Issued (local time): 1 am Wednesday 29 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest