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 05:58 AM and sunset is at 09:07 PM.

Days 1–3 Weather Summary

Heavy rain (total 24mm), heaviest during Sun morning. Warm air temperatures (max 23°C on Sat afternoon, min 11°C on Mon night). Winds increasing (calm on Sun night, fresh winds from the NNW by Mon afternoon).

Days 4–6 Weather Summary

Light rain (total 2mm), mostly falling on Thu night. Warm air temperatures (max 22°C on Tue afternoon, min 13°C on Tue morning). Winds increasing (calm on Wed morning, fresh winds from the SSW by Thu afternoon).

Days 7–9 Weather Summary

Moderate rain (total 10mm), heaviest on Fri morning. Warm (max 25°C on Sat afternoon, min 16°C on Fri morning). Wind will be generally light.

Days 10–12 Weather Summary

Heavy rain (total 46mm), heaviest during Mon night. Warm (max 24°C on Wed afternoon, min 14°C on Tue afternoon). Winds decreasing (strong winds from the ENE on Mon night, calm by Thu morning).

Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Saturday
26
Sunday
27
Monday
28
Tuesday
29
Wednesday
30
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
7:02AM6.21m
7:32PM6.57m
8:07AM6.17m
8:35PM6.63m
9:12AM6.22m
9:37PM6.75m
10:15AM6.34m
10:38PM6.88m
11:14AM6.49m
11:35PM7.01m
12:09PM6.63m
00:29AM7.08m
1:00PM6.72m
1:19AM7.07m
1:49PM6.73m
2:07AM6.96m
2:35PM6.67m
2:52AM6.76m
3:19PM6.54m
3:37AM6.50m
4:02PM6.35m
4:21AM6.20m
4:46PM6.14m
5:07AM5.91m
Low Tide
1:12PM1.40m
1:54AM1.27m
2:17PM1.43m
3:00AM1.18m
3:22PM1.38m
4:05AM1.02m
4:25PM1.25m
5:05AM0.85m
5:24PM1.09m
6:00AM0.70m
6:18PM0.96m
6:51AM0.61m
7:09PM0.90m
7:39AM0.62m
7:57PM0.93m
8:24AM0.73m
8:43PM1.03m
9:07AM0.92m
9:27PM1.21m
9:50AM1.17m
10:11PM1.44m
10:32AM1.46m
10:57PM1.67m
Wave
height (m) 
direction
period (s) 
0.2
S
7.0
0.4
SSW
3.0
0.4
SSW
4.0
0.2
S
3.0
0.3
S
3.0
0.2
S
4.0
0.4
NW
2.0
0.5
NW
3.0
0.3
NW
2.0
0.3
NW
2.0
0.1
W
3.0
0.3
S
4.0
0.1
S
8.0
0.1
S
3.0
0.3
SSW
3.0
0.4
SSW
3.0
0.8
S
4.0
0.6
S
4.0
0.6
S
4.0
0.5
S
4.0
0.3
S
4.0
0.2
S
7.0
0.2
S
3.0
0.1
S
3.0
0.1
S
6.0
0.1
S
2.0
0.2
S
4.0
0.1
SE
2.0
0.3
ENE
2.0
1
ENE
4.0
0.6
E
5.0
0.2
ESE
4.0
0.3
SW
3.0
0.4
WSW
4.0
0.2
S
7.0
0.4
SSW
3.0
clear
clear
part cloud
heavy rain
mod rain
rain showers
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
rain showers
rain showers
rain showers
rain showers
part cloud
clear
clear
clear
part cloud
cloud
cloud
light rain
heavy rain
mod rain
light rain
light rain
part cloud
part cloud
part cloud
clear
clear
some clouds
heavy rain
mod rain
rain shwrs
some clouds
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
cloudy
rain shwrs
rain shwrs
rain shwrs
rain shwrs
some clouds
clear
clear
clear
some clouds
cloudy
cloudy
light rain
heavy rain
mod rain
light rain
light rain
some clouds
some clouds
some clouds
 km/h
10
W
25
S
10
SW
5
SSW
15
SSW
5
WSW
25
NNW
30
NNW
15
NW
20
NW
10
WNW
10
WNW
5
NNE
15
S
10
SW
20
SSW
30
SSW
20
S
15
SW
15
S
0
N
5
NNW
10
SSE
5
N
0
SSE
10
SSE
5
S
10
E
15
NE
40
ENE
15
E
5
SE
20
WNW
25
WNW
15
WSW
15
SW
 mm 
14
6
4
2
5
3
2
1
35
6
2
2
max°C
22
23
19
16
18
17
18
19
16
19
22
21
20
21
20
19
18
16
18
19
20
23
25
24
21
24
22
17
19
18
16
15
15
22
24
21
Moonrise
12:50
1:21
2:03
2:58
4:06
5:22
6:41
7:56
9:09
10:17
11:24
12:29
Moonset
4:21
5:42
6:57
8:00
8:49
9:26
9:53
10:15
10:34
10:50
11:06
11:23
Sunrise
5:58
5:58
6:00
6:01
6:01
6:03
6:03
6:05
6:05
6:07
6:07
6:09
Sunset
9:07
9:07
9:06
9:05
9:04
9:02
9:01
9:00
9:00
8:59
8:58
8:57
Today's sea temperature in Back Bay is 12.7 °C (Statistics for 19 Jul 1981-2005 – mean: 13.7 max: 15.3 min: 12.4°C)
Issued (local time): 8 am Saturday 19 Jul 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest