Ranganunu Harbour Surf Break

Lat Long: 34.88° S 173.24° E

Ranganunu Harbour 48 hour detailed Surf Forecast

Issued: 5 am 18 Aug 2026 (local time)

Forecast update in  hr  min

Today's Ranganunu Harbour sea temperature is
15.5° C
0.2° 

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 (18 Aug):

  • Morning surf: Morning surf (18 Aug, local time) - 2ft (0.6m), 9s period with E swell.
  • Afternoon surf: Afternoon surf (18 Aug, local time) - 1.5ft (0.5m), 9s period with E swell.
  • Evening surf: Evening surf (18 Aug, local time) - 1.5ft (0.4m), 9s period with E swell.

The current surf forecast for Ranganunu Harbour at 10AM is: 0.6m 9s primary swell from a East direction and 0.1m 11s secondary swell from a Northeast direction (forecast issued at 05:00am August 18). An open ocean swell of 0.6m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (NZST) & DateWave HeightWave Period
Morning (18 Aug)2ft (0.6m)9s
Afternoon (18 Aug)1.5ft (0.5m)9s
Evening (18 Aug)1.5ft (0.4m)9s

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


Short Range Forecast

Mostly dry. Very mild (max 14°C on Tue morning, min 10°C on Wed night). Wind will be generally light.

Tuesday
18
Wednesday
19
Thursday
20
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)
0
0
0
0
0
0
0
0
0
0
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
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
E
9
0.7
E
9
0.6
E
9
0.5
E
9
0.5
E
9
0.4
E
9
0.4
E
9
0.4
E
9
0.4
E
9
0.3
E
7
0.3
E
9
0.2
E
8
0.3
E
8
0.4
E
8
0.3
E
9
0.3
E
9
0.2
E
9
0.2
E
9
0.2
E
9
0.3
E
9
0.3
E
9
0.3
E
9
0.3
E
9
Wave Graph
Metric surfscale
Energy kJ
83
80
56
38
38
25
24
23
24
8
14
5
12
22
14
14
6
6
6
14
14
13
13
Wind (km/h)
20
SSW
15
SW
25
SW
20
SW
20
SSW
20
S
15
S
15
S
15
SSW
15
SSW
15
SE
20
S
20
S
20
SSE
10
SE
10
SE
10
SE
5
SSE
5
SW
10
SW
15
SW
15
SW
10
SSW
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
cross-off
off
cross-off
off
off
off
cross-off
cross-off
cross-off
cross-off
glassy
cross-off
cross-off
cross-off
cross-off
High Tide
12:24PM2.10m
00:40AM2.10m
1:07PM2.01m
1:22AM1.99m
1:54PM1.92m
Low Tide
5:38AM0.33m
5:52PM0.45m
6:19AM0.41m
6:36PM0.54m
7:02AM0.49m
7:24PM0.64m
cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:03
7:03
7:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:57
5:58
5:59
 mm
Temp °C
12
13
13
14
14
12
11
11
12
13
12
13
13
11
10
10
10
10
11
13
14
12
12
Feels °C
7
9
7
9
10
7
7
8
9
9
8
8
7
6
7
7
7
8
9
11
11
9
9
  • 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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