Onset Sea Conditions and Tide Table

Onset 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 07:34 PM.

Days 1–4 Weather Summary

Moderate rain (total 10mm), heaviest on Fri afternoon. Warm air temperatures (max 26°C on Sun afternoon, min 17°C on Sat night). Wind will be generally light.

Days 5–7 Weather Summary

Light rain (total 3mm), mostly falling on Tue afternoon. Warm air temperatures (max 25°C on Wed afternoon, min 17°C on Tue night). Wind will be generally light.

Days 8–10 Weather Summary

Light rain (total 2mm), mostly falling on Fri morning. Warm (max 26°C on Thu afternoon, min 19°C on Fri morning). Wind will be generally light.

Days 11–13 Weather Summary

Heavy rain (total 34mm), heaviest during Tue night. Warm (max 25°C on Sun afternoon, min 18°C on Tue night). Wind will be generally light.

Days 14–17 Weather Summary

Mostly dry. Warm (max 23°C on Thu afternoon, min 16°C on Fri morning). Wind will be generally light.

Fri
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
31
Tuesday
1
Wednesday
2
Thursday
3
Friday
4
Saturday
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
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
High Tide
4:13PM0.99m
4:34AM0.83m
5:17PM0.98m
5:36AM0.85m
6:17PM1.01m
6:32AM0.90m
7:04PM1.05m
7:18AM0.97m
7:43PM1.11m
7:58AM1.05m
8:17PM1.17m
8:34AM1.12m
8:52PM1.21m
9:11AM1.19m
9:27PM1.23m
9:47AM1.24m
10:05PM1.23m
10:27AM1.27m
10:47PM1.21m
11:10AM1.29m
11:33PM1.16m
11:57AM1.28m
00:24AM1.11m
12:48PM1.27m
1:18AM1.06m
1:45PM1.25m
2:17AM1.02m
2:46PM1.23m
Low Tide
11:31PM0.34m
10:39AM0.30m
00:22AM0.31m
11:45AM0.26m
1:04AM0.26m
12:40PM0.21m
1:44AM0.20m
1:29PM0.16m
2:20AM0.14m
2:14PM0.10m
2:55AM0.08m
2:56PM0.06m
3:27AM0.02m
3:36PM0.04m
3:58AM-0.01m
4:16PM0.02m
4:30AM-0.03m
4:54PM0.03m
5:02AM-0.03m
5:34PM0.05m
5:38AM-0.02m
6:17PM0.10m
6:18AM0.01m
7:07PM0.16m
7:05AM0.06m
8:10PM0.23m
8:01AM0.12m
Wave
Height (m)
Direction
Period (s)
0.9
ENE
5
0.9
E
4
0.5
E
5
0.3
E
5
0.2
ESE
13
0.4
SSE
3
0.5
SE
4
0.3
SSE
6
0.5
SW
3
0.5
SW
3
0.4
SW
2
0.6
WSW
3
0.7
SW
4
0.4
W
3
0.2
ESE
10
0.5
SW
3
0.3
WSW
3
0.2
ESE
7
0.4
SSW
3
0.3
SSE
3
0.2
ESE
8
0.3
SE
9
0.3
SSE
7
0.2
S
7
0.3
S
7
0.2
SSE
7
0.2
SSE
7
0.4
SSW
3
0.5
SW
3
0.3
S
5
0.4
SSW
6
0.2
S
6
0.6
E
3
0.8
SE
4
0.4
ESE
4
0.5
E
4
0.4
SE
12
0.4
SE
11
0.4
SE
10
0.4
SE
10
0.4
NE
4
0.3
SE
9
0.3
SE
9
0.4
SW
2
0.3
NNE
2
0.4
ENE
3
0.3
SSE
2
light rain
light rain
cloud
light rain
part cloud
rain showers
thunderstorm
clear
clear
part cloud
clear
clear
rain showers
rain showers
clear
clear
clear
part cloud
clear
part cloud
light rain
clear
clear
clear
part cloud
clear
clear
clear
rain showers
light rain
thunderstorm
clear
part cloud
heavy rain
heavy rain
light rain
cloud
part cloud
clear
clear
clear
part cloud
clear
part cloud
clear
clear
cloud
light rain
light rain
cloudy
light rain
some clouds
rain shwrs
risk tstorm
clear
clear
some clouds
clear
clear
rain shwrs
rain shwrs
clear
clear
clear
some clouds
clear
some clouds
light rain
clear
clear
clear
some clouds
clear
clear
clear
rain shwrs
light rain
risk tstorm
clear
some clouds
heavy rain
heavy rain
light rain
cloudy
some clouds
clear
clear
clear
some clouds
clear
some clouds
clear
clear
cloudy
km/h
20
NE
20
NE
10
NNE
10
N
5
ENE
5
SE
15
SSW
5
SSW
20
SW
20
SW
10
WSW
20
WSW
20
WSW
10
W
10
WSW
20
SW
10
W
15
SW
20
SSW
10
SSW
5
NE
10
ESE
10
WSW
10
NE
10
ESE
5
S
15
SSW
25
SSW
20
SW
10
SSW
10
NNW
5
N
10
ESE
20
SE
5
NNE
15
NE
10
ENE
15
WSW
20
NNW
15
N
10
NNE
10
NNW
5
E
10
WSW
15
NE
10
E
15
S
 mm
4
2
1
2
1
2
1
2
1
5
3
13
11
1
max °C
19
19
19
19
18
22
26
23
26
24
22
22
22
20
23
25
21
25
26
23
23
21
21
24
23
21
24
25
22
22
25
24
21
20
20
18
20
20
21
23
19
18
20
19
19
20
20
Moonrise
3:38
4:30
5:15
5:52
6:23
6:49
7:12
7:34
7:54
8:16
8:40
9:08
9:42
10:26
11:22
Moonset
12:08
1:02
2:01
3:05
4:11
5:18
6:25
7:32
8:40
9:50
11:03
12:18
1:34
2:45
3:48
Sunrise
5:56
5:58
5:58
6:00
6:01
6:01
6:03
6:03
6:05
6:05
6:07
6:07
6:09
6:09
6:11
Sunset
7:34
7:31
7:30
7:29
7:28
7:25
7:23
7:22
7:21
7:20
7:17
7:15
7:15
7:13
7:10
7:09
Today's sea temperature in Onset is
21.7° C
(Statistics for 21 Aug 1981-2005 – mean: 20.8 max: 22.1 min: 19.3°C)
Issued (local time): 1 pm Friday 21 Aug 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest