Charlestown, Charles River Sea Conditions and Tide Table

Charlestown, 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 06:35 AM and sunset is at 07:02 PM.

Days 1–3 Weather Summary

Light rain (total 4mm), mostly falling on Fri night. Icy conditions (max 11°C on Fri afternoon, min 0°C on Thu morning). Wind will be generally light.

Days 4–6 Weather Summary

A dusting of snow giving way to moderate rain (total 12mm) heaviest on Mon night. Icy conditions (max 18°C on Mon afternoon, min -3°C on Tue night). Wind will be generally light.

Days 7–9 Weather Summary

Heavy rain (total 30mm), heaviest during Thu afternoon. Freeze-thaw conditions (max 9°C on Fri afternoon, min -3°C on Wed morning). Winds decreasing (fresh winds from the N on Thu night, calm by Fri night).

Days 10–12 Weather Summary

Light rain (total 8mm), mostly falling on Sat afternoon. Freeze-thaw conditions (max 12°C on Sun afternoon, min 0°C on Mon morning). Wind will be generally light.

Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
31
Tuesday
1
Wednesday
2
Thursday
3
Friday
4
Saturday
5
Sunday
6
Monday
7
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
10:10AM3.21m
10:40PM3.13m
11:01AM3.35m
11:26PM3.36m
11:50AM3.44m
00:12AM3.54m
12:40PM3.45m
00:58AM3.65m
1:30PM3.39m
1:45AM3.67m
2:21PM3.26m
2:35AM3.59m
3:15PM3.08m
3:29AM3.44m
4:13PM2.88m
4:27AM3.25m
5:16PM2.71m
5:31AM3.06m
6:25PM2.60m
6:40AM2.93m
7:35PM2.58m
7:50AM2.87m
8:40PM2.63m
Low Tide
4:29PM-0.14m
4:49AM-0.14m
5:16PM-0.28m
5:39AM-0.37m
6:02PM-0.37m
6:29AM-0.52m
6:48PM-0.38m
7:18AM-0.59m
7:35PM-0.32m
8:09AM-0.56m
8:24PM-0.18m
9:02AM-0.43m
9:16PM-0.00m
9:58AM-0.24m
10:11PM0.20m
10:58AM-0.03m
11:12PM0.38m
12:03PM0.14m
00:18AM0.51m
1:12PM0.25m
1:27AM0.54m
2:19PM0.28m
2:35AM0.49m
Wave
height (m) 
direction
period (s) 
clear
part cloud
part cloud
part cloud
cloud
light rain
cloud
cloud
part cloud
light snow
light snow
light rain
cloud
cloud
mod rain
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
light rain
heavy rain
light rain
part cloud
part cloud
part cloud
light rain
light rain
part cloud
cloud
clear
clear
clear
clear
part cloud
clear
some clouds
some clouds
some clouds
cloudy
light rain
cloudy
cloudy
some clouds
light snow
light snow
light rain
cloudy
cloudy
mod rain
some clouds
cloudy
some clouds
some clouds
some clouds
some clouds
light rain
heavy rain
light rain
some clouds
some clouds
some clouds
light rain
light rain
some clouds
cloudy
clear
clear
clear
clear
some clouds
 km/h
15
WNW
15
NW
15
SW
20
WNW
15
W
5
SE
10
NNW
10
NE
10
NE
10
E
10
ENE
0
ESE
20
SW
10
SW
15
NNW
15
N
10
NNE
15
NNE
15
ENE
10
E
15
ESE
25
E
30
E
30
NNW
15
NW
15
NW
0
WSW
15
S
15
SW
10
WNW
15
WNW
25
WNW
20
WNW
15
WNW
10
NW
5
ESE
 mm 
4
2.0
1.0
9
1.0
24
5
4
4
max°C
4
8
7
7
11
10
7
3
2
2
2
6
14
18
13
1
4
1
-2
0
1
3
7
7
6
9
6
6
9
11
11
12
7
4
9
7
Moonrise
5:44
6:08
6:31
6:55
7:23
7:57
8:39
9:33
10:35
11:44
12:55
2:04
Moonset
5:04
6:23
7:43
9:05
10:29
11:51
1:06
2:10
3:00
3:39
4:10
Sunrise
6:35
6:33
6:31
6:31
6:28
6:26
6:24
6:24
6:22
6:20
6:18
6:16
Sunset
7:02
7:04
7:06
7:07
7:07
7:08
7:09
7:10
7:12
7:14
7:15
7:15
Today's sea temperature in Charlestown, Charles River is 4.6 °C (Statistics for 27 Mar 1981-2005 – mean: 4.0 max: 5.3 min: 2.6°C)
Issued (local time): 7 am Thursday 27 Mar 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest