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 05:37 AM and sunset is at 07:40 PM.

Days 1–3 Weather Summary

Moderate rain (total 14mm), heaviest on Sat night. Cool air temperatures (max 15°C on Mon morning, min 7°C on Sat night). Winds increasing (calm on Sat night, fresh winds from the SW by Mon afternoon).

Days 4–6 Weather Summary

Heavy rain (total 45mm), heaviest during Thu night. Cool air temperatures (max 16°C on Thu afternoon, min 12°C on Tue morning). Winds increasing (light winds from the SW on Wed night, fresh winds from the SSW by Thu afternoon).

Days 7–9 Weather Summary

Light rain (total 3mm), mostly falling on Sun night. Very mild (max 16°C on Fri afternoon, min 8°C on Fri morning). Winds decreasing (fresh winds from the W on Fri morning, light winds from the SSW by Sat night).

Days 10–12 Weather Summary

Heavy rain (total 29mm), heaviest during Mon morning. Very mild (max 15°C on Mon morning, min 10°C on Tue night). Mainly fresh winds.

Saturday
2
Sunday
3
Monday
4
Tuesday
5
Wednesday
6
Thursday
7
Friday
8
Saturday
9
Sunday
10
Monday
11
Tuesday
12
Wednesday
13
Thursday
14
Friday
15
Saturday
16
Sun
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
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
Wave Height Map
High Tide
9:45AM1.04m
10:00PM1.22m
10:23AM1.00m
10:36PM1.16m
11:00AM0.95m
11:13PM1.09m
11:40AM0.91m
11:52PM1.02m
12:21PM0.87m
00:34AM0.97m
1:06PM0.85m
1:19AM0.93m
1:52PM0.85m
2:07AM0.91m
2:41PM0.88m
2:58AM0.91m
3:33PM0.93m
3:53AM0.93m
4:28PM1.01m
4:52AM0.96m
5:25PM1.12m
5:52AM1.01m
6:22PM1.23m
6:50AM1.08m
7:16PM1.36m
7:45AM1.15m
8:07PM1.45m
8:37AM1.20m
Low Tide
3:32PM0.03m
4:25AM0.02m
4:11PM0.05m
5:03AM0.05m
4:50PM0.08m
5:41AM0.09m
5:30PM0.12m
6:21AM0.14m
6:12PM0.16m
7:03AM0.19m
6:57PM0.21m
7:51AM0.22m
7:50PM0.24m
8:49AM0.23m
8:57PM0.26m
9:53AM0.20m
10:18PM0.23m
10:48AM0.14m
11:28PM0.17m
11:35AM0.07m
00:24AM0.09m
12:19PM-0.00m
1:15AM0.01m
1:04PM-0.07m
2:06AM-0.05m
1:50PM-0.12m
2:58AM-0.10m
2:38PM-0.15m
Wave
height (m) 
direction
period (s) 
0.5
E
9
0.4
E
9
0.4
E
9
0.5
E
9
0.6
ESE
9
0.6
E
9
0.7
SW
4
0.6
SW
4
0.5
SSW
3
0.9
SSW
4
0.9
SSW
4
1
SSW
4
1.1
SSW
4
1.1
SSW
4
0.5
SSW
4
1.1
S
4
1.5
S
5
1
S
9
1.3
WSW
4
0.8
S
10
0.3
SSE
9
0.3
SSE
8
0.4
SSW
3
0.3
ESE
8
0.3
S
7
0.4
S
3
0.3
S
6
1.2
SSW
4
0.5
S
8
0.4
S
8
0.4
S
9
0.6
S
9
0.3
S
8
0.6
ENE
3
0.6
ENE
4
0.2
ESE
9
0.2
ESE
8
0.5
SW
3
0.8
SW
4
0.4
ENE
10
0.6
SW
3
0.4
S
7
0.7
SSW
3
0.7
SW
4
0.4
S
8
0.8
E
4
0.6
E
4
part cloud
cloud
heavy rain
rain showers
light rain
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
light rain
mod rain
heavy rain
heavy rain
part cloud
part cloud
clear
part cloud
cloud
part cloud
clear
part cloud
light rain
heavy rain
mod rain
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
rain showers
clear
clear
part cloud
rain showers
clear
rain showers
part cloud
clear
some clouds
cloudy
heavy rain
rain shwrs
light rain
clear
clear
clear
clear
clear
clear
clear
some clouds
cloudy
light rain
mod rain
heavy rain
heavy rain
some clouds
some clouds
clear
some clouds
cloudy
some clouds
clear
some clouds
light rain
heavy rain
mod rain
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
clear
some clouds
rain shwrs
clear
clear
some clouds
rain shwrs
clear
rain shwrs
some clouds
clear
 km/h
25
SSW
15
SW
15
NNW
20
NW
20
NW
15
W
25
WSW
25
SW
20
SW
30
SSW
30
SSW
30
SW
35
SW
30
SW
15
SW
35
SSW
40
SSW
15
SW
30
W
25
W
10
WSW
20
SW
20
SSW
10
SSW
15
SSW
20
SSW
10
SSE
20
SW
10
NNW
10
NW
15
N
5
ESE
5
NW
20
NNE
15
NE
10
NW
10
SSW
20
SW
25
SW
15
WNW
15
W
15
SSW
25
SW
25
SW
20
NNE
15
E
10
SE
 mm 
11
2
1
3
9
12
21
3
23
6
1
1
1
max°C
13
12
9
8
13
11
15
14
11
14
15
13
15
14
13
15
16
15
12
16
13
14
15
11
15
15
13
15
14
14
14
15
11
12
12
11
15
16
12
19
22
16
16
21
15
12
14
Moonrise
9:09
10:11
11:08
11:58
12:41
1:16
1:45
2:10
2:33
2:55
3:16
3:40
4:08
4:42
5:26
Moonset
5:37
6:10
6:50
7:38
8:33
9:33
10:38
11:44
12:51
1:58
3:08
4:20
5:37
6:57
8:20
Sunrise
5:37
5:37
5:35
5:33
5:33
5:31
5:31
5:28
5:28
5:26
5:26
5:24
5:24
5:22
5:22
5:20
Sunset
7:40
7:42
7:43
7:44
7:45
7:45
7:46
7:49
7:50
7:51
7:52
7:52
7:53
7:54
7:55
7:57
Today's sea temperature in Onset is
8.9° C
(Statistics for 02 May 1981-2005 – mean: 8.0 max: 9.4 min: 6.4°C)
Issued (local time): 7 am Saturday 02 May 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest