Ranganunu Harbour Surf Break

Lat Long: 34.88° S 173.24° E

Ranganunu Harbour 48 hour detailed Surf Forecast

Issued: 5 am 10 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 (10 Aug):

  • Morning surf: Morning surf (10 Aug, local time) - 5ft (1.5m), 8s period with NNE swell.
  • Afternoon surf: Afternoon surf (10 Aug, local time) - 4.5ft (1.4m), 8s period with NNE swell.
  • Evening surf: Evening surf (10 Aug, local time) - 4.5ft (1.3m), 8s period with NNE swell.

The current surf forecast for Ranganunu Harbour at 9AM is: 1.5m 8s primary swell from a North-northeast direction and 0.1m 13s secondary swell from a Northeast direction (forecast issued at 05:00am August 10). The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (NZST) & DateWave HeightWave Period
Morning (10 Aug)5ft (1.5m)8s
Afternoon (10 Aug)4.5ft (1.4m)8s
Evening (10 Aug)4.5ft (1.3m)8s

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


Short Range Forecast

Light rain (total 3mm), mostly falling on Wed morning. Very mild (max 16°C on Wed afternoon, min 12°C on Mon morning). Wind will be generally light.

Monday
10
Tuesday
11
Wednesday
12
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
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
2
2
2
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.6
NNE
8
1.6
NNE
8
1.5
NNE
8
1.4
NNE
8
1.4
NNE
8
1.3
NNE
8
1.3
NNE
8
1.2
NNE
8
1.3
NNE
8
1.5
NNE
9
1.5
NNE
9
1.4
NE
9
1.4
NE
9
1.4
NE
9
1.3
NNE
8
1.5
NE
8
1.5
NE
8
1.3
NE
8
1.3
NE
8
1.3
NE
8
1.3
NE
8
1.1
NE
8
1.3
NE
8
Wave Graph
Metric surfscale
Energy kJ
341
302
259
232
238
201
191
179
243
354
370
316
309
302
222
313
306
250
244
239
211
163
191
Wind (km/h)
10
S
10
S
10
SE
5
ESE
5
NE
0
SSW
10
ESE
10
ESE
10
E
15
E
20
E
20
ENE
20
ENE
15
E
20
E
20
ENE
20
E
20
E
20
E
20
ENE
15
ENE
10
ENE
5
NNE
Wind State
off
off
cross-off
glassy
glassy
glassy
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-on
cross-on
glassy
High Tide
5:07AM1.99m
5:55PM2.07m
6:19AM2.04m
7:01PM2.16m
7:25AM2.12m
8:01PM2.26m
Low Tide
11:04AM0.43m
11:45PM0.54m
12:10PM0.37m
00:48AM0.47m
1:11PM0.30m
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
thunderstorm
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:13
7:11
7:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:52
5:52
5:52
 mm
1
1
1
Temp °C
13
12
12
14
15
14
13
12
12
12
12
14
15
14
14
14
14
14
15
15
16
16
16
Feels °C
12
10
11
13
14
14
12
10
10
8
8
10
11
11
10
10
11
11
12
13
15
16
17
  • 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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