Amelia Earhart Dam, Mystic River, Boston Harbor Sea Conditions and Tide Table

Amelia Earhart Dam, Mystic River, Boston Harbor 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 05:41 AM and sunset is at 07:42 PM.

Days 1–3 Weather Summary

Light rain (total 3mm), mostly falling on Thu afternoon. Cool air temperatures (max 15°C on Fri afternoon, min 6°C on Thu night). Wind will be generally light.

Days 4–6 Weather Summary

Light rain (total 2mm), mostly falling on Sun morning. Warm air temperatures (max 23°C on Tue afternoon, min 6°C on Sun night). Wind will be generally light.

Days 7–9 Weather Summary

Heavy rain (total 20mm), heaviest during Wed afternoon. Very mild (max 19°C on Wed morning, min 8°C on Wed night). Winds increasing (light winds from the NNW on Wed night, fresh winds from the W by Fri afternoon).

Days 10–12 Weather Summary

Light rain (total 3mm), mostly falling on Sat afternoon. Very mild (max 17°C on Mon afternoon, min 6°C on Sat night). Mainly fresh winds.

Thursday
30
Friday
1
Saturday
2
Sunday
3
Monday
4
Tuesday
5
Wednesday
6
Thursday
7
Friday
8
Saturday
9
Sunday
10
Monday
11
Tuesday
12
Wednesday
13
Thursday
14
Fri
15
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
11:29AM2.88m
11:37PM3.13m
12:07PM2.83m
00:12AM3.11m
12:44PM2.77m
00:46AM3.08m
1:19PM2.72m
1:21AM3.05m
1:55PM2.67m
1:58AM3.01m
2:35PM2.62m
2:39AM2.96m
3:18PM2.58m
3:24AM2.90m
4:04PM2.54m
4:13AM2.85m
4:55PM2.53m
5:06AM2.79m
5:48PM2.55m
6:02AM2.76m
6:43PM2.63m
7:00AM2.75m
7:37PM2.76m
7:59AM2.79m
8:28PM2.93m
8:55AM2.86m
9:18PM3.13m
9:49AM2.94m
Low Tide
5:09AM0.09m
5:19PM0.32m
5:50AM0.08m
5:58PM0.37m
6:28AM0.08m
6:35PM0.42m
7:06AM0.09m
7:14PM0.47m
7:45AM0.13m
7:53PM0.51m
8:26AM0.18m
8:34PM0.56m
9:09AM0.24m
9:19PM0.62m
9:56AM0.30m
10:08PM0.66m
10:46AM0.36m
11:01PM0.69m
11:38AM0.39m
11:58PM0.67m
12:32PM0.39m
00:55AM0.59m
1:24PM0.36m
1:52AM0.45m
2:15PM0.31m
2:46AM0.26m
3:05PM0.25m
3:38AM0.05m
3:54PM0.18m
Wave
height (m) 
direction
period (s) 
light rain
light rain
part cloud
clear
part cloud
part cloud
cloud
cloud
cloud
light rain
light rain
clear
clear
part cloud
part cloud
part cloud
clear
part cloud
cloud
mod rain
part cloud
part cloud
light rain
rain showers
part cloud
clear
clear
cloud
rain showers
clear
part cloud
part cloud
part cloud
cloud
rain showers
clear
clear
clear
clear
part cloud
light rain
heavy rain
mod rain
light rain
part cloud
light rain
mod rain
light rain
light rain
some clouds
clear
some clouds
some clouds
cloudy
cloudy
cloudy
light rain
light rain
clear
clear
some clouds
some clouds
some clouds
clear
some clouds
cloudy
mod rain
some clouds
some clouds
light rain
rain shwrs
some clouds
clear
clear
cloudy
rain shwrs
clear
some clouds
some clouds
some clouds
cloudy
rain shwrs
clear
clear
clear
clear
some clouds
light rain
heavy rain
mod rain
light rain
some clouds
light rain
mod rain
 km/h
0
N
5
W
5
WNW
15
NW
15
WNW
0
NW
5
SSE
10
S
5
SW
15
NNW
15
NW
10
W
20
SW
20
SSW
20
SSW
25
SSW
30
SSW
20
SSW
25
S
20
SSW
10
NNW
10
ENE
10
SE
25
W
30
W
25
WSW
20
WSW
30
SW
25
W
15
W
20
W
20
W
15
SW
20
W
15
NW
10
NW
20
NW
25
NNW
5
SSW
5
SSE
15
SSW
20
SSE
10
SSW
10
S
5
WSW
5
ENE
15
NW
 mm 
1
2
1
1
10
4
6
2
1
1
16
7
2
1
6
max°C
8
10
10
13
15
13
9
11
10
11
14
12
16
18
14
20
23
16
19
14
14
13
12
14
13
14
11
11
14
10
11
16
14
14
17
15
12
15
13
12
14
14
16
17
18
15
14
Moonrise
7:03
8:09
9:14
10:16
11:13
12:03
12:45
1:20
1:49
2:13
2:36
2:56
3:18
3:41
4:08
Moonset
4:47
5:10
5:37
6:09
6:49
7:36
8:32
9:33
10:38
11:44
12:51
2:00
3:10
4:23
5:40
7:01
Sunrise
5:41
5:39
5:37
5:37
5:35
5:33
5:33
5:31
5:31
5:28
5:28
5:26
5:26
5:24
5:24
5:22
Sunset
7:42
7:43
7:44
7:45
7:45
7:46
7:49
7:50
7:51
7:52
7:52
7:53
7:54
7:55
7:57
7:58
Today's sea temperature in Amelia Earhart Dam, Mystic River, Boston Harbor is
9.2° C
(Statistics for 30 Apr 1981-2005 – mean: 7.3 max: 8.8 min: 5.7°C)
Issued (local time): 7 am Thursday 30 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest