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 07:05 AM and sunset is at 06:44 PM.

Days 1–3 Weather Summary

Some drizzle, heaviest during Tue night. Icy conditions (max 21°C on Tue afternoon, min -1°C on Thu night). Wind will be generally light.

Days 4–6 Weather Summary

Light rain (total 2mm), mostly falling on Fri night. Icy conditions (max 13°C on Sun night, min -1°C on Fri morning). Winds increasing (calm on Sat night, fresh winds from the SSW by Sun night).

Days 7–9 Weather Summary

Moderate rain (total 14mm), heaviest on Mon morning. Freeze-thaw conditions (max 15°C on Mon morning, min -6°C on Tue night). Winds decreasing (fresh winds from the SSW on Mon afternoon, calm by Wed night).

Days 10–12 Weather Summary

Mostly dry. Freeze-thaw conditions (max 10°C on Sat afternoon, min -1°C on Thu morning). Wind will be generally light.

Tuesday
10
Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wed
25
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
5:09PM2.45m
5:26AM2.73m
6:05PM2.35m
6:23AM2.67m
7:07PM2.30m
7:24AM2.65m
8:09PM2.32m
8:24AM2.70m
9:07PM2.41m
9:19AM2.79m
9:55PM2.55m
10:07AM2.90m
10:38PM2.72m
10:52AM3.01m
11:17PM2.91m
11:34AM3.11m
11:56PM3.10m
12:17PM3.18m
00:36AM3.27m
1:01PM3.21m
1:17AM3.40m
1:46PM3.19m
2:02AM3.47m
2:35PM3.13m
2:51AM3.47m
3:28PM3.02m
3:44AM3.41m
4:25PM2.88m
Low Tide
11:01AM0.34m
11:14PM0.60m
11:56AM0.43m
00:10AM0.68m
12:54PM0.48m
1:08AM0.71m
1:52PM0.47m
2:05AM0.68m
2:48PM0.41m
3:00AM0.59m
3:39PM0.31m
3:51AM0.46m
4:24PM0.20m
4:39AM0.29m
5:07PM0.09m
5:24AM0.11m
5:48PM-0.01m
6:08AM-0.07m
6:29PM-0.08m
6:53AM-0.23m
7:11PM-0.11m
7:39AM-0.33m
7:55PM-0.09m
8:27AM-0.36m
8:42PM-0.03m
9:19AM-0.31m
9:33PM0.07m
10:15AM-0.21m
Wave
height (m) 
direction
period (s) 
clear
clear
rain showers
cloud
part cloud
part cloud
cloud
part cloud
clear
clear
cloud
rain showers
part cloud
part cloud
part cloud
cloud
part cloud
cloud
mod rain
light rain
light rain
clear
clear
part cloud
clear
part cloud
clear
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
light snow
light snow
part cloud
part cloud
light snow
cloud
light snow
cloud
light rain
clear
clear
rain shwrs
cloudy
some clouds
some clouds
cloudy
some clouds
clear
clear
cloudy
rain shwrs
some clouds
some clouds
some clouds
cloudy
some clouds
cloudy
mod rain
light rain
light rain
clear
clear
some clouds
clear
some clouds
clear
some clouds
some clouds
some clouds
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
some clouds
some clouds
light snow
light snow
some clouds
some clouds
light snow
cloudy
light snow
cloudy
light rain
 km/h
10
SW
15
WSW
5
SW
10
NE
15
SE
25
SSW
25
W
20
WNW
15
WNW
10
W
15
S
25
S
25
W
20
WNW
10
WNW
10
SSE
20
S
25
S
30
SSW
30
SSW
20
W
25
W
25
WNW
20
WNW
15
WNW
15
WNW
10
SSW
10
SSW
20
SSW
10
S
20
SSW
20
SW
10
W
15
WNW
10
NW
0
NE
5
SW
10
WNW
15
NNW
15
ENE
10
ESE
10
SW
5
N
5
E
10
SSE
10
S
20
W
 mm 
1
2
9
2
3
2
max°C
15
21
17
4
11
17
12
5
3
2
5
5
5
7
3
2
8
13
15
15
10
-1
2
-2
-4
1
1
2
5
0
5
8
6
5
10
8
5
13
10
-1
-2
-1
-2
-3
0
5
11
Moonrise
1:38
2:37
3:30
4:15
4:52
5:22
5:48
6:12
6:33
6:54
7:17
7:43
8:15
8:54
9:45
10:47
Moonset
10:13
10:58
11:52
12:54
2:01
3:10
4:20
5:32
6:44
7:58
9:15
10:34
11:54
1:10
2:18
Sunrise
7:05
7:03
7:01
7:00
6:58
6:56
6:54
6:52
6:50
6:50
6:48
6:46
6:45
6:43
6:41
6:39
Sunset
6:44
6:45
6:45
6:46
6:49
6:50
6:51
6:52
6:52
6:53
6:55
6:57
6:58
6:59
7:00
7:00
Today's sea temperature in Amelia Earhart Dam, Mystic River, Boston Harbor is
1.3° C
(Statistics for 10 Mar 1981-2005 – mean: 3.4 max: 4.7 min: 1.5°C)
Issued (local time): 1 am Tuesday 10 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest