Greville, South Island Sea Conditions and Tide Table

Greville, South Island 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 05:48 AM and sunset is at 08:55 PM.

Days 1–3 Weather Summary

Light rain (total 5mm), mostly falling on Thu night. Cool air temperatures (max 19°C on Tue afternoon, min 15°C on Wed night). Winds decreasing (near gales from the WNW on Tue morning, moderate winds from the NW by Thu night).

Days 4–6 Weather Summary

Moderate rain (total 15mm), heaviest on Fri morning. Cool air temperatures (max 16°C on Fri morning, min 13°C on Sun night). Winds decreasing (strong winds from the NW on Fri afternoon, light winds from the NW by Sun afternoon).

Days 7–9 Weather Summary

Heavy rain (total 70mm), heaviest during Tue night. Warm (max 20°C on Tue morning, min 13°C on Wed morning). Mainly gales.

Days 10–12 Weather Summary

Moderate rain (total 12mm), heaviest on Sat morning. Very mild (max 18°C on Thu morning, min 15°C on Thu night). Mainly strong winds.

Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
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
12:22PM3.69m
00:45AM3.47m
1:00PM3.65m
1:27AM3.41m
1:41PM3.60m
2:12AM3.33m
2:25PM3.55m
3:00AM3.27m
3:13PM3.49m
3:51AM3.23m
4:07PM3.43m
4:46AM3.23m
5:08PM3.40m
5:48AM3.26m
6:12PM3.41m
7:02AM3.34m
7:18PM3.48m
8:18AM3.50m
8:23PM3.56m
9:23AM3.72m
9:25PM3.69m
10:16AM3.94m
10:23PM3.78m
Low Tide
6:13PM0.96m
6:52AM0.88m
6:55PM0.98m
7:30AM0.89m
7:40PM1.01m
8:08AM0.95m
8:28PM1.05m
8:52AM1.04m
9:21PM1.08m
9:45AM1.16m
10:18PM1.10m
10:55AM1.22m
11:21PM1.11m
12:11PM1.18m
00:27AM1.09m
1:17PM1.05m
1:32AM1.03m
2:18PM0.91m
2:37AM0.95m
3:15PM0.76m
3:40AM0.83m
4:09PM0.63m
4:38AM0.72m
Wave
height (m) 
direction
period (s) 
2.5
NW
7
3
NW
8
2.5
WNW
8
2.2
NW
6
3
WNW
8
3
WNW
8
2.3
NW
6
2.4
NW
7
2.3
NW
7
1.9
NW
7
2.3
NW
7
2.4
WNW
7
1.6
NW
7
1.9
NW
6
1.7
NW
6
0.8
NW
7
0.7
WNW
12
0.8
NW
6
0.9
NW
7
0.8
NW
7
1
SE
4
0.8
SE
4
1
E
4
2.3
SE
6
1.1
WSW
4
3
NW
7
3
NW
8
3
WNW
8
2.5
WNW
8
1.6
WNW
7
0.8
NW
6
0.9
NW
6
1.4
NW
6
1.8
NW
6
1.9
NW
6
1.6
NW
6
clear
clear
clear
clear
clear
clear
clear
clear
rain showers
mod rain
clear
clear
part cloud
clear
clear
part cloud
cloud
mod rain
light rain
light rain
rain showers
part cloud
mod rain
heavy rain
rain showers
part cloud
clear
part cloud
cloud
part cloud
part cloud
rain showers
rain showers
rain showers
thunderstorm
thunderstorm
clear
clear
clear
clear
clear
clear
clear
clear
rain shwrs
mod rain
clear
clear
some clouds
clear
clear
some clouds
cloudy
mod rain
light rain
light rain
rain shwrs
some clouds
mod rain
heavy rain
rain shwrs
some clouds
clear
some clouds
cloudy
some clouds
some clouds
rain shwrs
rain shwrs
rain shwrs
risk tstorm
risk tstorm
 km/h
45
NW
50
WNW
40
WNW
40
WNW
50
WNW
40
W
45
WNW
50
NW
40
NW
30
NW
45
WNW
40
WNW
25
WNW
35
NW
30
NW
10
NNW
10
NW
15
SE
20
SE
25
SE
35
SE
30
SE
35
E
65
SE
30
W
40
W
50
WNW
45
WNW
40
WNW
0
W
5
NW
25
NNW
30
NNW
30
N
35
NW
5
ENE
 mm 
5
6
9
1
2
6
10
39
12
1
1
4
2
4
max°C
18
19
17
18
18
16
17
17
17
16
16
15
16
16
16
16
16
14
16
17
16
20
16
15
14
15
16
18
18
17
17
18
18
18
18
17
Moonrise
8:12
9:18
10:26
11:33
12:41
1:50
3:03
4:19
5:39
6:59
8:12
9:13
Moonset
11:21
11:48
12:12
12:33
12:55
1:18
1:44
2:15
2:55
3:46
4:51
Sunrise
5:48
5:50
5:50
5:50
5:52
5:52
5:52
5:54
5:54
5:56
5:56
5:56
Sunset
8:55
8:57
8:57
8:58
8:58
8:58
8:58
8:59
8:59
8:59
8:59
8:59
Today's sea temperature in Greville, South Island is
17.0° C
(Statistics for 23 Dec 1981-2005 – mean: 16.0 max: 17.4 min: 14.2°C)
Issued (local time): 12 pm Tuesday 23 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest