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 06:13 AM and sunset is at 05:38 PM.

Days 1–3 Weather Summary

A moderate fall of snow, heaviest on Thu night. Icy conditions (max 8°C on Sat night, min -1°C on Thu afternoon). Wind will be generally light.

Days 4–6 Weather Summary

Some drizzle, heaviest during Sun afternoon. Cool air temperatures (max 18°C on Tue afternoon, min 5°C on Sun night). Wind will be generally light.

Days 7–9 Weather Summary

Light rain (total 5mm) at first, then becoming colder with a dusting of snow on Thu morning. Freeze-thaw conditions (max 19°C on Wed afternoon, min -2°C on Thu night). Wind will be generally light.

Days 10–12 Weather Summary

Light rain (total 4mm), mostly falling on Sat night. Freeze-thaw conditions (max 12°C on Sat morning, min -3°C on Sun night). Winds increasing (calm on Sat night, fresh winds from the SSW by Mon night).

Thursday
5
Friday
6
Saturday
7
Sunday
8
Monday
9
Tuesday
10
Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Fri
20
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
12:32PM3.18m
00:51AM3.16m
1:14PM3.05m
1:30AM3.11m
1:56PM2.90m
2:10AM3.03m
2:40PM2.73m
3:53AM2.92m
3:27PM2.57m
3:40AM2.81m
4:19PM2.43m
4:32AM2.71m
5:16PM2.32m
5:29AM2.65m
6:16PM2.29m
6:29AM2.65m
7:16PM2.33m
7:27AM2.72m
8:11PM2.44m
8:21AM2.83m
8:59PM2.60m
9:09AM2.95m
9:42PM2.78m
9:54AM3.08m
10:22PM2.97m
10:37AM3.18m
11:01PM3.16m
11:20AM3.25m
Low Tide
6:39PM-0.09m
7:01AM-0.09m
7:18PM0.03m
7:44AM-0.01m
7:58PM0.18m
8:28AM0.11m
8:40PM0.34m
9:15AM0.25m
9:26PM0.49m
10:05AM0.38m
10:15PM0.63m
11:01AM0.49m
11:10PM0.72m
12:00PM0.54m
00:09AM0.74m
12:59PM0.51m
1:08AM0.69m
1:55PM0.42m
2:03AM0.57m
2:44PM0.29m
2:54AM0.40m
3:27PM0.14m
3:41AM0.21m
4:09PM-0.00m
4:25AM0.02m
4:49PM-0.12m
5:09AM-0.16m
5:30PM-0.19m
Wave
height (m) 
direction
period (s) 
cloud
cloud
heavy snow
light snow
cloud
cloud
cloud
cloud
cloud
cloud
rain showers
part cloud
clear
clear
clear
clear
clear
part cloud
cloud
cloud
light rain
light snow
clear
clear
clear
part cloud
cloud
cloud
cloud
light rain
cloud
part cloud
clear
cloud
cloud
light rain
cloud
light rain
rain showers
clear
clear
clear
cloud
part cloud
part cloud
cloud
part cloud
cloudy
cloudy
heavy snow
light snow
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
rain shwrs
some clouds
clear
clear
clear
clear
clear
some clouds
cloudy
cloudy
light rain
light snow
clear
clear
clear
some clouds
cloudy
cloudy
cloudy
light rain
cloudy
some clouds
clear
cloudy
cloudy
light rain
cloudy
light rain
rain shwrs
clear
clear
clear
cloudy
some clouds
some clouds
cloudy
some clouds
 km/h
10
NNE
20
ENE
20
ENE
20
NE
15
NE
5
ENE
10
SSW
15
SSW
20
SW
10
W
5
W
10
WSW
10
SW
15
SW
15
SW
10
WNW
5
SSW
15
SSW
20
SSW
25
SW
15
WNW
15
NNW
15
N
10
N
15
SE
20
S
10
S
10
SW
5
S
10
NE
15
N
10
NW
15
NW
10
S
20
S
25
SW
10
WNW
15
ESE
25
SSW
35
WNW
30
NW
25
NW
15
NW
25
NW
10
WNW
20
NW
20
NW
 mm 
1
4
1
3
1
1
7
max°C
1
-1
-1
0
0
1
3
5
8
11
10
8
14
15
11
17
18
12
16
19
17
3
6
0
3
3
4
12
12
8
1
3
0
3
2
6
7
4
10
0
-1
-6
-5
-4
-7
-5
-5
Moonrise
8:18
9:24
10:30
12:35
1:38
2:37
3:30
4:14
4:52
5:22
5:48
6:12
6:33
6:54
7:17
Moonset
6:57
7:17
7:40
9:05
9:36
10:13
10:58
11:52
12:54
2:01
3:10
4:20
5:32
6:44
7:58
Sunrise
6:13
6:11
6:09
7:07
6:05
6:03
6:01
6:01
5:58
5:56
5:56
5:54
5:52
5:50
5:48
5:47
Sunset
5:38
5:39
5:40
6:42
5:43
5:44
5:45
5:46
5:47
5:49
5:50
5:51
5:52
5:53
5:54
5:55
Today's sea temperature in Charlestown Bridge, Charles River is
1.1° C
(Statistics for 05 Mar 1981-2005 – mean: 3.3 max: 4.7 min: 2.0°C)
Issued (local time): 6 am Thursday 05 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest