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 05:07 AM and sunset is at 08:19 PM.

Days 1–3 Weather Summary

Light rain (total 2mm), mostly falling on Wed night. Very warm air temperatures (max 32°C on Thu afternoon, min 17°C on Tue night). Wind will be generally light.

Days 4–6 Weather Summary

Light rain (total 4mm), mostly falling on Sat morning. Warm air temperatures (max 28°C on Sat afternoon, min 16°C on Fri night). Wind will be generally light.

Days 7–9 Weather Summary

Heavy rain (total 31mm), heaviest during Mon night. Warm (max 20°C on Tue afternoon, min 12°C on Mon afternoon). Wind will be generally light.

Days 10–12 Weather Summary

Some drizzle, heaviest during Sat night. Warm (max 30°C on Fri afternoon, min 17°C on Thu night). Wind will be generally light.

Days 13–16 Weather Summary

Heavy rain (total 22mm), heaviest during Sun afternoon. Warm (max 29°C on Sun afternoon, min 17°C on Mon morning). Wind will be generally light.

Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wed
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
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
Wave Height Map
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High Tide
6:20AM2.80m
6:52PM2.95m
7:16AM2.81m
7:42PM3.11m
8:14AM2.84m
8:34PM3.27m
9:11AM2.89m
9:27PM3.43m
10:08AM2.95m
10:21PM3.56m
11:04AM3.01m
11:15PM3.66m
12:00PM3.07m
00:09AM3.70m
12:55PM3.09m
1:05AM3.68m
1:50PM3.10m
2:01AM3.60m
2:46PM3.09m
2:57AM3.46m
3:42PM3.07m
3:55AM3.28m
4:37PM3.04m
4:53AM3.09m
5:33PM3.01m
5:53AM2.90m
6:28PM2.98m
6:54AM2.75m
7:22PM2.97m
Low Tide
12:36PM0.27m
1:10AM0.31m
1:28PM0.24m
2:07AM0.15m
2:21PM0.20m
3:03AM-0.03m
3:15PM0.14m
3:59AM-0.21m
4:09PM0.08m
4:54AM-0.36m
5:04PM0.02m
5:48AM-0.45m
5:57PM-0.03m
6:42AM-0.49m
6:52PM-0.04m
7:36AM-0.47m
7:47PM-0.02m
8:29AM-0.39m
8:43PM0.04m
9:22AM-0.27m
9:40PM0.12m
10:16AM-0.12m
10:39PM0.21m
11:10AM0.05m
11:39PM0.28m
12:05PM0.21m
00:41AM0.33m
12:59PM0.35m
Wave
Height (m)
Direction
Period (s)
clear
clear
clear
clear
part cloud
light rain
part cloud
cloud
part cloud
part cloud
part cloud
rain showers
light rain
part cloud
clear
clear
clear
part cloud
cloud
mod rain
heavy rain
cloud
part cloud
part cloud
cloud
light rain
mod rain
part cloud
part cloud
clear
clear
part cloud
part cloud
clear
clear
rain showers
part cloud
mod rain
thunderstorm
part cloud
part cloud
part cloud
clear
part cloud
clear
rain showers
rain showers
clear
clear
clear
clear
some clouds
light rain
some clouds
cloudy
some clouds
some clouds
some clouds
rain shwrs
light rain
some clouds
clear
clear
clear
some clouds
cloudy
mod rain
heavy rain
cloudy
some clouds
some clouds
cloudy
light rain
mod rain
some clouds
some clouds
clear
clear
some clouds
some clouds
clear
clear
rain shwrs
some clouds
mod rain
risk tstorm
some clouds
some clouds
some clouds
clear
some clouds
clear
rain shwrs
rain shwrs
km/h
15
WSW
15
WSW
10
SW
15
SW
20
WSW
10
SSW
10
WNW
10
E
5
ENE
10
ENE
10
E
5
E
5
SW
10
SE
15
NW
20
WNW
20
WNW
5
NE
15
E
15
ESE
10
E
10
NNE
5
E
5
E
5
E
10
ESE
15
ESE
20
SW
25
W
15
W
10
WNW
5
WNW
10
WNW
10
ENE
15
ESE
10
S
15
SW
10
WSW
5
N
15
NE
10
E
5
NNE
10
ENE
10
ESE
5
SW
5
SE
10
SE
2
1
3
6
13
2
10
1
7
12
1
2
max °C
25
30
25
27
30
21
29
32
20
20
22
18
22
28
24
25
27
24
16
14
14
16
20
16
17
15
14
23
26
20
26
30
26
20
22
22
27
29
25
18
20
19
21
22
21
23
24
Moonrise
1:20
1:41
2:05
2:35
3:13
4:02
5:05
6:21
7:42
9:02
10:17
11:29
12:37
1:43
2:48
3:52
Moonset
2:03
3:15
4:32
5:53
7:15
8:31
9:35
10:25
11:03
11:32
11:56
12:17
12:37
12:57
1:19
Sunrise
5:07
5:07
5:07
5:05
5:05
5:05
5:05
5:05
5:05
5:05
5:05
5:07
5:07
5:07
5:07
5:07
Sunset
8:19
8:20
8:20
8:21
8:21
8:22
8:22
8:22
8:22
8:22
8:22
8:23
8:23
8:23
8:23
8:23
Today's sea temperature in Charlestown, Charles River is
16.5° C
(Statistics for 09 Jun 1981-2005 – mean: 13.5 max: 15.7 min: 11.7°C)
Issued (local time): 1 am Tuesday 09 Jun 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest