Back Bay Sea Conditions and Tide Table

Back Bay 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 — and sunset is at 05:51 PM.

Days 1–4 Weather Summary

A light covering of new snow, mostly falling on Thu afternoon. Becoming milder with light rain (total 5mm) on Thu night. Icy conditions (max 4°C on Thu night, min -16°C on Sat morning). Winds increasing (light winds from the ENE on Wed night, strong winds from the WNW by Fri afternoon).

Days 5–7 Weather Summary

A heavy fall of snow, heaviest during Sun afternoon. Air temperatures will be below freezing (max 0°C on Sun night, min -14°C on Tue morning). Winds increasing (light winds from the N on Sat night, near gales from the ENE by Sun night).

Days 8–10 Weather Summary

A moderate fall of snow, heaviest on Thu afternoon. Temperatures will be well below freezing (max -6°C on Fri afternoon, min -16°C on Wed morning). Winds increasing (light winds from the NW on Wed night, strong winds from the NW by Thu night).

Days 11–13 Weather Summary

Mostly dry. Freeze-thaw conditions (max 1°C on Mon afternoon, min -12°C on Sat morning). Winds decreasing (fresh winds from the WNW on Fri night, calm by Mon morning).

Thursday
13
Friday
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Mon
24
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
00:08AM6.54m
12:23PM6.75m
00:47AM6.55m
1:02PM6.66m
1:25AM6.51m
1:40PM6.51m
2:01AM6.40m
2:17PM6.30m
2:37AM6.25m
2:55PM6.06m
3:14AM6.07m
3:35PM5.81m
3:54AM5.88m
4:19PM5.56m
4:40AM5.71m
5:09PM5.36m
5:32AM5.59m
6:07PM5.25m
6:31AM5.58m
7:09PM5.28m
7:32AM5.70m
8:09PM5.45m
8:30AM5.95m
Low Tide
5:59PM0.89m
6:15AM1.10m
6:39PM0.91m
6:55AM1.12m
7:16PM1.00m
7:33AM1.19m
7:52PM1.16m
8:10AM1.33m
8:28PM1.37m
8:48AM1.51m
9:04PM1.61m
9:26AM1.71m
9:42PM1.87m
10:09AM1.92m
10:24PM2.10m
10:57AM2.10m
11:13PM2.29m
11:53AM2.22m
00:11AM2.39m
12:56PM2.21m
1:15AM2.35m
1:59PM2.05m
2:17AM2.14m
2:57PM1.75m
Wave
height (m) 
direction
period (s) 
0.2
ENE
2
1.1
SE
4
1.7
SE
6
0.9
SW
5
1.4
WNW
5
1.6
WNW
5
1.2
WNW
4
0.9
WNW
4
0.6
WNW
4
0.3
NW
2
0.4
E
2
2
E
6
1
W
5
0.9
WSW
6
1.4
W
4
1.5
W
5
1.2
W
4
1.3
WNW
5
0.9
WNW
4
0.6
WNW
4
0.6
WNW
3
0.4
NW
3
0.3
NNE
2
0.6
N
3
1.2
NW
4
1.2
NW
4
0.9
WNW
4
0.7
WNW
4
0.6
WNW
3
0.4
WNW
3
0.5
NW
3
0.3
WNW
2
0.4
WNW
3
0.2
W
2
0
E
10
0.3
SSE
2
part cloud
cloud
mod snow
rain showers
part cloud
part cloud
clear
clear
part cloud
part cloud
mod snow
heavy snow
snow showers
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
mod snow
light snow
cloud
cloud
part cloud
clear
part cloud
part cloud
clear
cloud
part cloud
cloud
cloud
some clouds
cloudy
mod snow
rain shwrs
some clouds
some clouds
clear
clear
some clouds
some clouds
mod snow
heavy snow
snow shwrs
cloudy
cloudy
cloudy
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
mod snow
light snow
cloudy
cloudy
some clouds
clear
some clouds
some clouds
clear
cloudy
some clouds
cloudy
cloudy
 km/h
15
ENE
35
ESE
40
ESE
35
W
45
WNW
50
WNW
40
WNW
35
WNW
25
WNW
15
NW
25
ENE
55
E
30
NW
35
WNW
50
W
50
W
40
W
40
WNW
35
WNW
25
WNW
30
WNW
15
NNW
20
NNE
30
NNW
45
NW
40
WNW
35
WNW
25
WNW
25
NW
25
WNW
20
WNW
15
WNW
20
WNW
10
WNW
5
ESE
20
SE
 mm 
5
max°C
-9
-5
0
4
-8
-8
-9
-14
-9
-10
-8
-2
0
-8
-6
-8
-13
-11
-12
-13
-8
-9
-11
-7
-7
-10
-6
-8
-10
-4
-6
-8
-2
-2
-4
1
Moonrise
6:01
7:09
8:15
9:20
10:24
11:29
12:35
1:42
2:49
3:52
4:49
5:37
Moonset
7:50
8:10
8:27
8:43
8:58
9:15
9:33
9:55
10:23
10:58
11:45
12:44
1:54
Sunrise
7:31
7:28
7:28
7:26
7:24
7:22
7:22
7:20
7:18
7:16
7:15
7:13
Sunset
5:51
5:52
5:53
5:54
5:55
5:58
5:59
6:00
6:01
6:02
6:05
6:06
6:07
Today's sea temperature in Back Bay is 2.7 °C (Statistics for 12 Feb 1981-2005 – mean: 3.5 max: 5.3 min: 2.3°C)
Issued (local time): 7 pm Wednesday 12 Feb 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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