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 06:22 AM and sunset is at 07:08 PM.

Days 1–3 Weather Summary

Light rain (total 3mm), mostly falling on Sun afternoon. Cool air temperatures (max 13°C on Sat morning, min 1°C on Sat night). Winds increasing (light winds from the SE on Fri morning, fresh winds from the SW by Sun afternoon).

Days 4–6 Weather Summary

Mostly dry. Icy conditions (max 10°C on Mon afternoon, min -3°C on Wed morning). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Freeze-thaw conditions (max 16°C on Fri afternoon, min 0°C on Thu morning). Wind will be generally light.

Days 10–12 Weather Summary

Heavy rain (total 20mm), heaviest during Mon night. Later becoming colder with a dusting of snow on Wed morning. Freeze-thaw conditions (max 20°C on Tue afternoon, min 0°C on Wed morning). Wind will be generally light.

Friday
3
Saturday
4
Sunday
5
Monday
6
Tuesday
7
Wednesday
8
Thursday
9
Friday
10
Saturday
11
Sunday
12
Monday
13
Tuesday
14
Wednesday
15
Thursday
16
Friday
17
Sat
18
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
10:11AM1.09m
10:28PM1.24m
10:49AM1.02m
11:05PM1.16m
11:28AM0.95m
11:43PM1.08m
12:08PM0.88m
00:23AM0.99m
12:49PM0.82m
1:05AM0.92m
1:34PM0.78m
1:52AM0.87m
2:22PM0.77m
2:43AM0.84m
3:15PM0.78m
3:40AM0.84m
4:12PM0.82m
4:40AM0.87m
5:12PM0.90m
5:40AM0.93m
6:09PM1.01m
6:34AM1.01m
6:59PM1.14m
7:24AM1.09m
7:46PM1.27m
8:11AM1.16m
8:32PM1.37m
8:58AM1.21m
Low Tide
4:05PM-0.04m
4:47AM-0.03m
4:40PM-0.02m
5:24AM0.01m
5:17PM0.02m
6:02AM0.06m
5:55PM0.08m
6:42AM0.13m
6:36PM0.13m
7:27AM0.20m
7:23PM0.19m
8:26AM0.25m
8:21PM0.23m
9:49AM0.26m
9:39PM0.25m
11:05AM0.23m
11:03PM0.21m
11:53AM0.16m
00:05AM0.14m
12:32PM0.08m
00:56AM0.06m
1:09PM-0.01m
1:43AM-0.02m
1:47PM-0.08m
2:29AM-0.10m
2:26PM-0.14m
3:16AM-0.15m
3:08PM-0.18m
Wave
height (m) 
direction
period (s) 
0.4
E
7
0.6
SSW
3
0.8
SW
4
0.4
SSE
7
1
E
4
0.9
ESE
5
1.2
S
4
0.9
S
8
0.4
S
8
0.6
W
3
0.8
WSW
4
0.4
S
8
0.3
S
7
0.6
WSW
3
0.8
NNW
4
0.4
NNE
3
0.3
ESE
2
0.4
SSE
3
0.5
S
3
0.6
S
4
0.3
SSE
4
0.2
ESE
4
0.2
SSE
9
0.4
SE
10
0.4
SE
11
0.4
ESE
10
0.4
ESE
10
0.6
ESE
9
0.6
E
9
0.7
E
4
0.5
E
8
0.4
E
8
0.6
E
8
0.4
E
8
0.4
E
8
1
ENE
5
1.3
E
5
1.4
ENE
6
1
NNE
4
0.4
E
8
0.3
E
8
0.3
E
8
0.3
E
8
0.3
E
8
0.2
E
9
0.4
SW
2
0.8
WSW
4
cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
light rain
part cloud
clear
cloud
clear
clear
cloud
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
part cloud
cloud
part cloud
cloud
part cloud
cloud
mod rain
cloud
cloud
mod rain
clear
cloud
light rain
light snow
light snow
light snow
clear
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloudy
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
light rain
some clouds
clear
cloudy
clear
clear
cloudy
clear
clear
clear
clear
some clouds
some clouds
clear
clear
clear
some clouds
cloudy
some clouds
cloudy
some clouds
cloudy
mod rain
cloudy
cloudy
mod rain
clear
cloudy
light rain
light snow
light snow
light snow
clear
cloudy
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
 km/h
10
SSW
25
SW
20
SW
25
NE
25
ENE
20
SE
30
SW
20
SW
15
WNW
20
W
20
WSW
10
W
10
W
20
WNW
25
NNW
15
NNE
15
SSE
15
SSW
25
SSW
25
SSW
15
SW
15
SW
15
SW
5
NNW
10
NE
15
NNE
10
NE
10
E
10
E
10
ENE
5
ENE
5
SE
20
WSW
15
WNW
15
NNE
20
ENE
15
ENE
25
NE
25
N
10
NNE
5
SSW
10
SSW
10
S
15
SSW
10
SW
15
WNW
20
WNW
 mm 
3
10
7
3
2
1
max°C
5
10
12
13
4
7
12
11
11
7
10
8
8
9
4
-1
1
-1
4
8
11
14
16
14
10
10
5
9
10
5
7
9
10
18
20
8
2
3
3
6
7
5
8
8
7
10
14
Moonrise
9:11
10:17
11:21
12:21
1:16
2:04
2:44
3:17
3:45
4:10
4:32
4:54
5:17
5:42
6:12
Moonset
6:42
7:07
7:36
8:11
8:53
9:44
10:41
11:45
12:51
1:59
3:08
4:19
5:31
6:47
8:06
Sunrise
6:22
6:20
6:18
6:16
6:16
6:13
6:11
6:11
6:09
6:07
6:05
6:03
6:03
6:01
6:00
5:58
Sunset
7:08
7:09
7:10
7:12
7:14
7:15
7:15
7:16
7:17
7:19
7:20
7:21
7:22
7:22
7:24
7:25
Today's sea temperature in Onset is
4.5° C
(Statistics for 03 Apr 1981-2005 – mean: 5.0 max: 6.7 min: 3.6°C)
Issued (local time): 1 am Friday 03 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest