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 05:18 AM and sunset is at 08:20 PM.

Days 1–3 Weather Summary

Moderate rain (total 10mm), heaviest on Tue morning. Very warm air temperatures (max 30°C on Mon afternoon, min 19°C on Sun morning). Wind will be generally light.

Days 4–6 Weather Summary

Some drizzle, heaviest during Thu night. Very warm air temperatures (max 35°C on Thu afternoon, min 23°C on Wed morning). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Warm (max 28°C on Sun afternoon, min 18°C on Mon night). Wind will be generally light.

Days 10–12 Weather Summary

Light rain (total 8mm), mostly falling on Wed afternoon. Warm (max 33°C on Thu afternoon, min 18°C on Tue night). Wind will be generally light.

Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
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
Wave Height Map
High Tide
2:06PM2.87m
2:11AM3.23m
2:48PM2.95m
2:57AM3.20m
3:32PM3.04m
3:46AM3.14m
4:19PM3.12m
4:39AM3.04m
5:09PM3.18m
5:35AM2.94m
6:02PM3.22m
6:35AM2.84m
6:58PM3.26m
7:38AM2.77m
7:58PM3.30m
8:42AM2.75m
8:58PM3.34m
9:45AM2.77m
9:58PM3.39m
10:45AM2.82m
10:55PM3.42m
11:40AM2.88m
11:49PM3.43m
Low Tide
7:52AM-0.07m
8:02PM0.25m
8:34AM-0.10m
8:49PM0.19m
9:18AM-0.10m
9:38PM0.14m
10:04AM-0.06m
10:31PM0.11m
10:53AM0.01m
11:27PM0.09m
11:45AM0.10m
00:26AM0.06m
12:41PM0.18m
1:28AM0.03m
1:40PM0.24m
2:31AM-0.02m
2:40PM0.25m
3:32AM-0.09m
3:40PM0.23m
4:30AM-0.16m
4:37PM0.19m
5:25AM-0.20m
5:32PM0.14m
Wave
height (m) 
direction
period (s) 
clear
part cloud
part cloud
clear
rain showers
thunderstorm
rain showers
thunderstorm
clear
clear
clear
part cloud
part cloud
cloud
rain showers
clear
clear
part cloud
part cloud
cloud
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
light rain
thunderstorm
thunderstorm
clear
part cloud
cloud
clear
some clouds
some clouds
clear
rain shwrs
risk tstorm
rain shwrs
risk tstorm
clear
clear
clear
some clouds
some clouds
cloudy
rain shwrs
clear
clear
some clouds
some clouds
cloudy
clear
some clouds
some clouds
clear
clear
clear
clear
clear
clear
some clouds
light rain
risk tstorm
risk tstorm
clear
some clouds
cloudy
 km/h
10
SSE
10
SE
10
SSW
10
SSW
10
S
10
SW
10
SW
15
SW
10
SSW
5
SSE
15
ESE
10
SW
15
SSW
15
SW
10
SW
10
W
15
W
5
W
5
N
10
SE
5
NNW
5
NE
10
ESE
15
N
15
ENE
15
ESE
5
SW
10
S
15
S
5
SSW
10
S
15
SSW
10
WNW
10
NW
15
NNW
5
NE
 mm 
1
5
3
1
1
1
5
2
max°C
24
26
24
27
30
26
25
29
26
28
30
27
32
35
30
32
35
31
26
27
23
26
28
25
24
24
21
26
28
23
24
28
26
29
33
27
Moonrise
10:18
10:41
11:02
11:23
11:47
12:14
12:49
1:33
2:29
3:37
4:51
Moonset
8:03
9:15
10:27
11:40
12:54
2:10
3:29
4:48
6:01
7:04
7:55
8:33
Sunrise
5:18
5:18
5:20
5:20
5:22
5:22
5:22
5:24
5:24
5:26
5:26
5:28
Sunset
8:20
8:20
8:19
8:17
8:17
8:16
8:15
8:15
8:15
8:14
8:13
8:12
Today's sea temperature in Charlestown Bridge, Charles River is 19.5 °C (Statistics for 13 Jul 1981-2005 – mean: 19.1 max: 20.8 min: 17.3°C)
Issued (local time): 1 am Sunday 13 Jul 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest