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 08:53 PM.

Days 1–3 Weather Summary

Mostly dry. Cool air temperatures (max 17°C on Fri morning, min 12°C on Sat night). Winds decreasing (near gales from the NW on Fri afternoon, light winds from the SSW by Sat night).

Days 4–6 Weather Summary

Moderate rain (total 12mm), heaviest on Mon night. Cool air temperatures (max 18°C on Mon night, min 14°C on Mon morning). Winds increasing (light winds from the WNW on Mon morning, near gales from the NW by Wed afternoon).

Days 7–9 Weather Summary

Some drizzle, heaviest during Fri morning. Very mild (max 18°C on Thu morning, min 13°C on Sat night). Winds decreasing (near gales from the WNW on Fri afternoon, light winds from the SW by Sat night).

Days 10–12 Weather Summary

Mostly dry. Very mild (max 16°C on Sun morning, min 12°C on Tue night). Winds decreasing (near gales from the SSE on Mon afternoon, light winds from the WSW by Wed morning).

Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
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
10:01AM3.60m
10:04PM3.35m
10:37AM3.69m
10:44PM3.41m
11:11AM3.73m
11:24PM3.47m
11:46AM3.72m
00:04AM3.49m
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
Low Tide
3:51PM1.13m
4:09AM1.09m
4:25PM1.06m
4:51AM1.03m
5:00PM1.00m
5:34AM0.97m
5:35PM0.97m
6:14AM0.91m
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
Wave
height (m) 
direction
period (s) 
1.6
WNW
6
2.3
WNW
6
1.9
WNW
7
1.1
WNW
7
1.7
WNW
6
1.2
WNW
6
0.8
WNW
6
0.7
WNW
6
0.9
WNW
5
0.4
WNW
11
0.7
NW
4
1.3
NW
5
2
NW
7
3.5
NW
8
2.5
NW
8
1.9
NW
7
2.5
NW
7
2.1
NW
6
1.9
NW
6
2.4
NW
7
2
NW
6
1.2
NW
14
2.1
NW
6
2.3
WNW
7
2.2
WNW
6
2.5
WNW
7
1.7
WNW
6
1.2
ESE
4
1.3
ESE
5
1.5
SE
5
1.7
SE
6
1.6
SSE
6
1.9
SSE
6
1.1
SSE
5
1.3
SE
5
0.6
NW
17
cloud
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
heavy rain
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
rain showers
clear
clear
clear
clear
clear
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
cloudy
some clouds
clear
clear
clear
clear
clear
some clouds
clear
clear
some clouds
heavy rain
some clouds
some clouds
some clouds
clear
clear
clear
clear
clear
some clouds
rain shwrs
clear
clear
clear
clear
clear
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
some clouds
 km/h
35
W
50
NW
25
W
20
W
35
WNW
15
SSW
10
SE
15
ENE
25
ESE
10
WNW
30
NW
30
WNW
20
W
55
NW
35
W
35
WNW
55
NW
40
WNW
45
WNW
50
NW
45
WNW
25
WNW
55
NW
45
WNW
45
WNW
50
NW
25
W
30
SE
40
SE
40
SSE
50
SSE
45
SSE
50
SSE
30
SSE
45
SE
25
SE
 mm 
12
1
max°C
17
17
17
15
16
14
14
14
14
14
16
18
18
18
18
17
18
16
18
18
16
15
17
16
16
16
16
16
15
14
14
16
13
15
15
14
Moonrise
4:25
5:11
6:06
7:07
8:12
9:18
10:26
11:33
12:41
1:50
3:03
4:19
Moonset
8:32
9:25
10:11
10:49
11:21
11:48
12:12
12:33
12:55
1:18
1:44
Sunrise
5:48
5:48
5:48
5:48
5:48
5:50
5:50
5:50
5:52
5:52
5:52
5:54
Sunset
8:53
8:54
8:54
8:55
8:55
8:57
8:57
8:58
8:58
8:58
8:58
8:59
Today's sea temperature in Greville, South Island is
17.4° C
(Statistics for 19 Dec 1981-2005 – mean: 15.8 max: 17.1 min: 14.2°C)
Issued (local time): 12 pm Friday 19 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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