Ranganunu Harbour Surf Break

Lat Long: 34.88° S 173.24° E

Ranganunu Harbour 48 hour detailed Surf Forecast

Issued: 11 am 12 Aug 2026 (local time)

Forecast update in  hr  min

Today's Ranganunu Harbour sea temperature is
15.3° C
0.1° 

Ranganunu Harbour surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Ranganunu Harbour today (12 Aug):

  • Morning surf: Morning surf (12 Aug, local time) - 4.5ft (1.4m), 8s period with NE swell.
  • Afternoon surf: Afternoon surf (12 Aug, local time) - 3.5ft (1.1m), 8s period with NE swell.
  • Evening surf: Evening surf (12 Aug, local time) - 3ft (0.9m), 8s period with NNE swell.

The current surf forecast for Ranganunu Harbour at 6PM is: 0.9m 8s primary swell from a North-northeast direction and 0.7m 7s secondary swell from a East direction (forecast issued at 11:00am August 12). The wind direction is predicted to be cross-offshore.

Time (NZST) & DateWave HeightWave Period
Morning (12 Aug)4.5ft (1.4m)8s
Afternoon (12 Aug)3.5ft (1.1m)8s
Evening (12 Aug)3ft (0.9m)8s

Table - waves today at Ranganunu Harbour. (Swell directed towards the surf break)


Short Range Forecast

Light rain (total 9mm), mostly falling on Wed afternoon. Very mild (max 18°C on Wed afternoon, min 12°C on Fri night). Wind will be generally light.

Wed
12
Thursday
13
Friday
14
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.4
NE
8
1.2
NE
8
1.1
NE
8
0.9
NNE
8
0.9
NNE
8
0.9
NE
8
0.9
NE
8
0.9
NE
8
0.8
NE
8
0.7
NE
8
0.7
NE
7
0.7
NE
7
0.6
NE
7
0.6
NE
9
0.6
NE
9
0.6
NE
9
0.6
NE
9
0.6
NE
9
0.6
NE
10
0.6
NE
10
0.6
NE
10
Wave Graph
Metric surfscale
Energy kJ
277
201
154
117
114
93
88
84
69
57
56
54
43
67
67
67
68
71
74
74
57
Wind (km/h)
15
E
10
SE
5
W
5
WSW
5
WSW
5
W
5
WSW
10
WSW
5
SW
5
WNW
10
NNW
10
W
5
SW
5
WNW
5
NNE
10
NE
10
ENE
15
ENE
15
E
15
ESE
15
SE
Wind State
cross
cross-off
glassy
cross-off
glassy
glassy
glassy
cross-off
cross-off
cross
cross-on
cross
glassy
glassy
glassy
cross-on
cross-on
cross
cross
cross-off
cross-off
High Tide
7:25AM2.12m
8:01PM2.26m
8:25AM2.19m
8:56PM2.34m
9:19AM2.24m
Low Tide
1:11PM0.30m
1:46AM0.39m
2:05PM0.24m
2:39AM0.32m
2:55PM0.22m
light rain
rain showers
thunderstorm
rain showers
clear
clear
part cloud
part cloud
clear
clear
cloud
cloud
cloud
cloud
light rain
light rain
cloud
cloud
cloud
light rain
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:11
7:09
7:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:52
5:53
5:53
 mm
1
1
2
1
2
1
1
Temp °C
15
16
18
16
15
15
14
14
14
17
17
15
14
14
13
13
13
14
15
14
14
Feels °C
14
16
19
16
15
16
14
14
14
17
16
14
14
14
13
11
11
12
12
12
12
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
How to use the Wavefinder 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Ranganunu Harbour surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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