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 04:50 PM.

Days 1–4 Weather Summary

A dusting of new snow. Air temperatures will be below freezing (max -2°C on Thu afternoon, min -12°C on Fri night). Winds increasing (calm on Thu morning, strong winds from the NNW by Thu night).

Days 5–7 Weather Summary

Moderate rain (total 11mm), heaviest on Mon afternoon. Icy conditions (max 7°C on Mon afternoon, min -9°C on Sat night). Winds increasing (light winds from the SW on Sun night, strong winds from the WSW by Mon night).

Days 8–10 Weather Summary

Mostly dry. Temperatures will be below freezing (max -1°C on Wed night, min -14°C on Thu night). Winds decreasing (fresh winds from the WNW on Thu morning, light winds from the NW by Fri morning).

Days 11–13 Weather Summary

A dusting of snow giving way to moderate rain (total 14mm) heaviest on Sat night. Freeze-thaw conditions (max 7°C on Sat night, min -11°C on Fri afternoon). Winds increasing (light winds from the NW on Fri night, strong winds from the W by Sun night).

Wed
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Mon
5
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
Wave Height Map
High Tide
2:24PM6.26m
2:54AM6.03m
3:08PM6.20m
3:39AM6.07m
3:57PM6.14m
4:28AM6.14m
4:51PM6.10m
5:22AM6.24m
5:49PM6.10m
6:20AM6.39m
6:51PM6.16m
7:19AM6.59m
7:53PM6.28m
8:20AM6.82m
8:53PM6.41m
9:18AM7.01m
9:54PM6.62m
10:16AM7.23m
10:51PM6.81m
11:12AM7.38m
11:47PM6.95m
12:07PM7.43m
00:40AM7.01m
Low Tide
8:43PM1.39m
9:00AM1.69m
9:26PM1.43m
9:47AM1.68m
10:12PM1.47m
10:39AM1.64m
11:04PM1.49m
11:37AM1.56m
00:01AM1.48m
12:39PM1.41m
1:01AM1.42m
1:42PM1.21m
2:03AM1.30m
2:45PM0.95m
3:04AM1.16m
3:45PM0.73m
4:04AM0.95m
4:42PM0.49m
5:01AM0.76m
5:37PM0.33m
5:56AM0.64m
6:30PM0.27m
6:49AM0.62m
Wave
height (m) 
direction
period (s) 
0.5
E
5
0.2
E
4
0.1
S
10
0.4
NW
2
1.2
NNW
4
1
N
4
0.7
NNW
4
0.4
NNW
3
0.4
NNW
3
0.7
NW
3
1
NW
4
1
NNW
4
0.9
NW
4
0.2
NNW
3
0.6
S
3
1.5
SSE
5
1.2
WSW
4
0.9
SSW
6
0.9
SW
5
0.6
SW
5
0.3
S
11
0.4
WSW
3
0.5
SW
3
0.7
NW
4
0.5
NW
3
0.4
NNW
3
0.2
W
4
0.1
SW
3
0.2
NNW
2
0.2
E
2
0.8
SSE
4
1.9
S
6
0.8
S
5
0.9
S
4
1.1
W
4
1
W
4
part cloud
part cloud
light snow
snow showers
part cloud
clear
clear
part cloud
clear
clear
part cloud
clear
clear
part cloud
cloud
mod rain
rain showers
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
light snow
heavy rain
light rain
cloud
part cloud
part cloud
some clouds
some clouds
light snow
snow shwrs
some clouds
clear
clear
some clouds
clear
clear
some clouds
clear
clear
some clouds
cloudy
mod rain
rain shwrs
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
some clouds
some clouds
cloudy
some clouds
some clouds
some clouds
light snow
heavy rain
light rain
cloudy
some clouds
some clouds
 km/h
20
NNE
10
NW
5
WNW
25
NW
45
NNW
35
NNW
30
NNW
20
NNW
25
NNW
30
NW
40
NW
40
NW
30
NW
10
WNW
30
SSE
40
SSE
40
WSW
35
WSW
30
WSW
25
W
15
W
20
WSW
25
SW
25
NW
20
NNW
20
NNW
10
NW
10
WNW
15
N
15
ESE
35
SE
40
S
25
SSW
25
WSW
40
W
35
WNW
 mm 
10
1
13
1
max°C
-5
-6
-4
-2
-4
-11
-9
-10
-10
-6
-7
-4
-1
-2
3
7
5
-2
-2
-2
-5
-3
-1
-3
-7
-10
-13
-9
-9
-8
-1
7
7
6
5
-7
Moonrise
11:25
11:43
12:01
12:20
12:44
1:12
1:51
2:42
3:49
5:07
6:29
Moonset
9:31
10:42
11:54
1:07
2:24
3:46
5:09
6:31
7:43
8:40
9:23
9:55
Sunrise
8:03
8:03
8:04
8:04
8:04
8:04
8:04
8:04
8:04
8:04
8:04
8:04
Sunset
4:50
4:50
4:51
4:52
4:52
4:52
4:53
4:54
4:55
4:57
4:58
4:59
Today's sea temperature in Back Bay is
6.7° C
(Statistics for 24 Dec 1981-2005 – mean: 5.9 max: 7.1 min: 4.8°C)
Issued (local time): 1 pm Wednesday 24 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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