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 07:50 AM and sunset is at 04:45 PM.

Days 1–3 Weather Summary

A dusting of new snow. Icy conditions (max 2°C on Sat afternoon, min -12°C on Mon night). Winds increasing (light winds from the E on Sat morning, fresh winds from the NW by Mon afternoon).

Days 4–6 Weather Summary

A dusting of snow turning to light rain (total 3mm) on Wed night. Icy conditions (max 9°C on Wed night, min -11°C on Tue morning). Winds decreasing (strong winds from the SSW on Wed night, calm by Thu night).

Days 7–9 Weather Summary

Light rain (total 8mm), mostly falling on Fri afternoon. Freeze-thaw conditions (max 6°C on Fri afternoon, min -9°C on Sun night). Winds increasing (light winds from the SE on Fri morning, strong winds from the WNW by Sun afternoon).

Days 10–12 Weather Summary

A dusting of new snow. Temperatures will be below freezing (max -3°C on Mon afternoon, min -10°C on Thu morning). Winds increasing (light winds from the NW on Mon morning, fresh winds from the NW by Tue night).

Saturday
6
Sunday
7
Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
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
Wave Height Map
High Tide
12:18PM7.57m
00:52AM7.05m
1:12PM7.43m
1:47AM6.91m
2:08PM7.18m
2:44AM6.71m
3:05PM6.87m
3:42AM6.50m
4:04PM6.54m
4:41AM6.30m
5:05PM6.24m
5:40AM6.15m
6:05PM6.00m
6:37AM6.06m
7:03PM5.84m
7:31AM6.02m
7:58PM5.76m
8:21AM6.04m
8:48PM5.75m
9:07AM6.08m
9:34PM5.78m
9:49AM6.15m
10:17PM5.84m
Low Tide
6:07AM0.53m
6:41PM0.16m
7:01AM0.61m
7:35PM0.30m
7:55AM0.79m
8:29PM0.55m
8:51AM1.03m
9:25PM0.84m
9:49AM1.29m
10:22PM1.15m
10:50AM1.53m
11:20PM1.43m
11:52AM1.70m
00:19AM1.65m
12:53PM1.79m
1:16AM1.79m
1:50PM1.79m
2:09AM1.86m
2:42PM1.74m
2:57AM1.87m
3:30PM1.66m
3:42AM1.85m
4:12PM1.56m
4:24AM1.80m
Wave
height (m) 
direction
period (s) 
0.2
E
2
0.3
S
2
0.4
WSW
3
0.5
NW
3
0.2
WSW
4
0.3
E
3
0.8
NNW
4
0.8
NW
4
0.5
NW
3
0.3
W
2
0.5
SW
3
1.1
SSW
5
0.4
SW
4
0.9
S
4
1.4
S
6
0.6
SW
4
0.3
S
7
0.4
S
10
0.4
S
9
0.6
W
3
0.5
SW
4
0.4
SW
4
0.3
SW
4
0.5
NW
3
0.9
WNW
4
1.2
WNW
4
0.9
WNW
4
0.2
WSW
3
0.2
WSW
3
0.3
ESE
3
0.5
W
5
0.6
NW
4
0.7
NW
4
0.6
NW
4
0.6
NW
3
0.5
NW
3
cloud
cloud
part cloud
part cloud
part cloud
light snow
light snow
clear
clear
clear
part cloud
light snow
cloud
cloud
light rain
cloud
part cloud
cloud
light rain
light rain
part cloud
clear
part cloud
part cloud
part cloud
clear
clear
cloud
snow showers
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
cloudy
cloudy
some clouds
some clouds
some clouds
light snow
light snow
clear
clear
clear
some clouds
light snow
cloudy
cloudy
light rain
cloudy
some clouds
cloudy
light rain
light rain
some clouds
clear
some clouds
some clouds
some clouds
clear
clear
cloudy
snow shwrs
some clouds
some clouds
some clouds
some clouds
cloudy
some clouds
some clouds
 km/h
15
E
20
SSW
20
W
25
NW
10
N
15
NNE
35
NNW
30
NW
20
WNW
15
WSW
25
WSW
25
SW
15
WSW
30
SSW
35
SSW
20
WSW
15
WSW
5
WNW
10
SE
30
NW
20
W
15
W
15
W
25
NW
35
WNW
40
WNW
30
WNW
5
NW
10
NW
20
NNE
25
NNW
30
NW
30
NW
30
NW
25
NW
20
NW
 mm 
3
4
4
max°C
-2
2
2
-2
-3
-5
-8
-9
-10
-8
-2
2
0
6
9
5
6
4
5
6
3
0
1
0
-7
-6
-7
-5
-3
-4
-6
-4
-6
-8
-6
-7
Moonrise
6:18
7:38
8:58
10:14
11:26
12:34
1:40
2:45
3:50
4:56
6:02
Moonset
10:05
10:54
11:30
11:56
12:18
12:36
12:53
1:09
1:27
1:46
2:10
2:39
Sunrise
7:50
7:52
7:52
7:52
7:54
7:54
7:56
7:56
7:58
7:58
7:58
8:00
Sunset
4:45
4:45
4:45
4:45
4:45
4:45
4:45
4:45
4:45
4:45
4:45
4:45
Today's sea temperature in Back Bay is
8.4° C
(Statistics for 06 Dec 1981-2005 – mean: 7.0 max: 8.5 min: 5.7°C)
Issued (local time): 7 am Saturday 06 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest