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 07:01 AM and sunset is at 06:45 PM.

Days 1–3 Weather Summary

Light rain (total 2mm) at first, then becoming colder with a dusting of snow on Thu night. Icy conditions (max 13°C on Thu morning, min -3°C on Sat night). Mainly fresh winds.

Days 4–6 Weather Summary

Heavy rain (total 30mm), heaviest during Mon morning. Icy conditions (max 16°C on Mon night, min -3°C on Sun morning). Winds increasing (calm on Sun morning, fresh winds from the S by Mon night).

Days 7–9 Weather Summary

Mostly dry. Freeze-thaw conditions (max 6°C on Fri afternoon, min -2°C on Wed morning). Wind will be generally light.

Days 10–12 Weather Summary

Some drizzle, heaviest during Mon night. Warm (max 27°C on Mon afternoon, min 3°C on Sat morning). Wind will be generally light.

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
Wednesday
25
Thursday
26
Fri
27
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
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
4:43AM3.30m
5:28PM2.76m
5:48AM3.19m
6:37PM2.69m
Low Tide
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
10:30PM0.19m
11:15AM-0.09m
11:31PM0.30m
12:20PM0.02m
Wave
height (m) 
direction
period (s) 
cloud
light rain
snow showers
clear
cloud
rain showers
part cloud
part cloud
clear
part cloud
part cloud
rain showers
heavy rain
light rain
mod rain
part cloud
part cloud
cloud
clear
cloud
cloud
part cloud
part cloud
clear
cloud
cloud
cloud
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
rain showers
light rain
part cloud
part cloud
part cloud
mod rain
snow showers
clear
clear
clear
clear
part cloud
cloudy
light rain
snow shwrs
clear
cloudy
rain shwrs
some clouds
some clouds
clear
some clouds
some clouds
rain shwrs
heavy rain
light rain
mod rain
some clouds
some clouds
cloudy
clear
cloudy
cloudy
some clouds
some clouds
clear
cloudy
cloudy
cloudy
clear
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
rain shwrs
light rain
some clouds
some clouds
some clouds
mod rain
snow shwrs
clear
clear
clear
clear
some clouds
 km/h
20
WNW
20
WNW
15
WNW
15
WSW
15
SSW
25
SW
30
W
30
W
15
W
5
ENE
15
SE
15
SE
30
S
30
S
35
SSW
20
W
20
WNW
15
WNW
20
W
15
WNW
10
N
5
NE
15
E
10
SSE
15
S
20
SSW
10
WSW
10
NW
10
ESE
10
S
20
SSW
25
SW
20
SW
15
WSW
15
WSW
5
N
10
NE
10
ENE
10
SSW
10
SW
20
WNW
25
W
30
WNW
25
WNW
20
NW
15
NW
10
NW
 mm 
1
1
2
18
3
7
1
1
8
3
max°C
13
3
1
1
4
7
4
5
2
0
3
5
13
15
16
2
5
2
-1
3
1
0
2
0
3
6
3
6
9
5
13
18
15
21
27
22
6
6
13
14
8
2
-1
3
0
-1
5
Moonrise
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
11:57
1:13
Moonset
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
3:14
3:58
Sunrise
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
6:37
6:35
Sunset
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
7:01
7:02
Today's sea temperature in Amelia Earhart Dam, Mystic River, Boston Harbor is
2.6° C
(Statistics for 12 Mar 1981-2005 – mean: 3.3 max: 4.7 min: 1.5°C)
Issued (local time): 1 am Thursday 12 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest