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 — and sunset is at 04:14 PM.

Days 1–4 Weather Summary

A dusting of new snow. Icy conditions (max 5°C on Sun morning, min -6°C on Sun night). Wind will be generally light.

Days 5–7 Weather Summary

A dusting of snow on Tue night. Freezing level rising with drizzle on Thu night. Icy conditions (max 10°C on Fri morning, min -1°C on Tue night). Wind will be generally light.

Days 8–10 Weather Summary

A dusting of snow turning to light rain (total 2mm) on Sun night. Freeze-thaw conditions (max 8°C on Fri afternoon, min -8°C on Fri night). Wind will be generally light.

Days 11–13 Weather Summary

Mostly dry. Freeze-thaw conditions (max 3°C on Mon afternoon, min -5°C on Mon night). Wind will be generally light.

Sat
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thu
1
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
11:55PM2.62m
11:54AM3.06m
00:34AM2.63m
12:33PM3.05m
1:14AM2.65m
1:14PM3.03m
1:54AM2.67m
1:57PM3.00m
2:37AM2.72m
2:43PM2.95m
3:22AM2.79m
3:33PM2.90m
4:09AM2.87m
4:27PM2.84m
5:00AM2.98m
5:25PM2.80m
5:54AM3.10m
6:26PM2.78m
6:49AM3.23m
7:27PM2.80m
7:45AM3.36m
8:26PM2.82m
8:40AM3.45m
Low Tide
5:40PM0.09m
5:42AM0.44m
6:19PM0.07m
6:23AM0.43m
6:59PM0.06m
7:05AM0.43m
7:39PM0.06m
7:49AM0.42m
8:21PM0.07m
8:35AM0.40m
9:06PM0.09m
9:26AM0.37m
9:53PM0.11m
10:20AM0.31m
10:44PM0.14m
11:18AM0.22m
11:37PM0.16m
12:18PM0.10m
00:33AM0.16m
1:18PM-0.05m
1:30AM0.13m
2:18PM-0.20m
2:26AM0.11m
Wave
height (m) 
direction
period (s) 
part cloud
cloud
clear
part cloud
clear
clear
part cloud
light snow
light snow
cloud
light snow
part cloud
part cloud
part cloud
part cloud
part cloud
rain showers
part cloud
part cloud
clear
part cloud
cloud
part cloud
cloud
cloud
light snow
cloud
cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
some clouds
cloudy
clear
some clouds
clear
clear
some clouds
light snow
light snow
cloudy
light snow
some clouds
some clouds
some clouds
some clouds
some clouds
rain shwrs
some clouds
some clouds
clear
some clouds
cloudy
some clouds
cloudy
cloudy
light snow
cloudy
cloudy
clear
clear
clear
clear
clear
clear
some clouds
some clouds
 km/h
10
SW
25
SSW
20
WSW
20
WNW
25
WNW
20
NW
15
NW
10
WSW
10
SW
5
NNE
10
N
10
N
5
WSW
10
SSW
15
SW
15
SW
10
SSW
15
SSW
25
W
25
NW
10
N
5
ESE
5
S
15
SSE
15
SSE
5
ENE
15
N
15
N
20
N
20
NNE
10
N
10
N
5
NNE
5
NW
5
SSW
0
N
 mm 
1
2
max°C
1
4
5
1
-1
-1
-1
0
0
0
0
0
1
2
3
3
5
10
8
-1
-5
-4
-3
1
1
3
3
3
-1
-1
-1
-3
-1
0
0
1
Moonrise
8:45
9:21
9:51
10:16
10:38
10:59
11:19
11:41
12:07
12:39
1:19
2:13
Moonset
4:28
5:30
6:37
7:45
8:53
10:02
11:11
12:22
1:37
2:55
4:16
5:36
Sunrise
7:09
7:09
7:11
7:11
7:11
7:11
7:11
7:11
7:11
7:13
7:13
7:13
Sunset
4:14
4:14
4:15
4:15
4:15
4:15
4:16
4:17
4:19
4:19
4:20
4:21
Today's sea temperature in Charlestown Bridge, Charles River is
5.9° C
(Statistics for 20 Dec 1981-2005 – mean: 7.3 max: 8.7 min: 5.7°C)
Issued (local time): 6 pm Saturday 20 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest