Wainakarua River Mouth Surf Break

Lat Long: 45.27° S 170.86° E

Wainakarua River Mouth Surf Forecast and Surf Report

Issued: 11 am 05 Aug 2026 (local time)

Forecast update in  hr  min

Today's Wainakarua River Mouth sea temperature is
9.9° C
1.4° 

Wainakarua River Mouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Wainakarua River Mouth surf forecast from 5 Aug 2026:

  • Best quality surf: Wednesday 12 Aug, 12PM (local time) - 8ft (2.5m), 9s period, ENE swell with cross-offshore winds.
  • Most powerful swell: Wednesday 12 Aug, 3PM (local time) - 10ft (3.0m), 9s period, ENE swell with 1,547 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 5 Aug, 6PM (local time) - 5.5ft (1.7m), 10s period with SE swell.

Best Forecast Surf Conditions for Wainakarua River Mouth this week:

The surf forecast for Wainakarua River Mouth over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Aug 05) at 6PM. The primary swell is predicted to be 1.7m and 10s period with a secondary swell of 0.2m and 18s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Wainakarua River Mouth in the next 16 days are 3.0m 9s and forecast to arrive on Wednesday (Aug 12) at 3PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Monday (Aug 10) at 6AM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+) 6PM (Wed 5th Aug)5.5ft (1.7m) 10s
Best Surf12PM (Wed 12th Aug)8ft (2.5m) 9s
Most Powerful 3PM (Wed 12th Aug)10ft (3.0m) 9s

Table - best surf conditions forecast for Wainakarua River Mouth over the next 16 days.


Short Range Forecast

Mostly dry. Mild temperatures (max 6°C on Wed afternoon, min 2°C on Thu night). Wind will be generally light.

Days 4-6 Weather Summary

Heavy rain (total 21mm), heaviest during Sat night. Very mild (max 10°C on Sun afternoon, min 6°C on Sun night). Wind will be generally light.

Wednesday
5
Thursday
6
Friday
7
Saturday
8
Sunday
9
Monday
10
Tuesday
11
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
3
2
2
2
1
2
1
0
1
0
0
0
2
1
1
1
0
0
0
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.9
SSE
11
1.8
SE
10
1.4
SE
10
1.2
SSE
9
1.1
SE
11
0.9
SE
10
0.7
SE
13
0.6
SE
13
0.8
SSE
10
0.7
SSE
9
0.7
SSE
9
0.6
SSE
9
1.3
E
6
1.7
E
7
1.1
ESE
7
0.9
SSE
8
1.1
SE
8
0.9
SE
7
0.7
SE
7
0.4
SE
11
1.6
ENE
7
Wave Graph
Metric surfscale
Energy kJ
799
689
392
221
273
157
156
132
109
76
73
56
108
271
99
101
135
77
50
38
214
Wind (km/h)
10
W
5
SSE
10
WNW
5
WNW
10
NE
10
NNW
10
N
10
NNE
5
NW
5
N
10
NNE
20
NE
15
WSW
20
SW
15
WSW
10
WSW
5
E
10
N
20
NNE
25
NNE
15
N
Wind State
off
cross-on
off
cross-off
cross-on
cross-off
cross
cross-on
glassy
cross
cross-on
cross-on
off
cross-off
off
off
on
cross
cross
cross-on
cross
High Tide
8:05PM1.55m
8:38AM1.58m
9:07PM1.54m
9:44AM1.63m
10:12PM1.57m
10:51AM1.71m
11:17PM1.63m
11:54AM1.81m
00:17AM1.72m
12:52PM1.90m
1:12AM1.80m
1:45PM1.98m
2:05AM1.87m
Low Tide
2:05PM0.38m
2:32AM0.37m
3:05PM0.38m
3:30AM0.34m
4:07PM0.36m
4:29AM0.29m
5:08PM0.32m
5:28AM0.21m
6:07PM0.25m
6:26AM0.12m
7:04PM0.17m
7:22AM0.04m
7:58PM0.11m
part cloud
clear
clear
clear
clear
part cloud
cloud
clear
part cloud
part cloud
cloud
heavy rain
part cloud
part cloud
part cloud
clear
clear
cloud
cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:48
7:48
7:47
7:45
7:43
7:41
7:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:36
5:37
5:37
5:38
5:39
5:40
5:42
 mm
21
Temp °C
5
6
4
5
6
3
4
6
6
8
8
9
9
10
8
9
10
7
9
9
9
Feels °C
2
3
1
2
2
-1
-1
2
2
5
5
5
5
5
4
7
8
5
3
3
5
  • Map Icons:
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Wainakarua River Mouth Surf forecast

The above surf forecast table for Wainakarua River Mouth provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Wainakarua River Mouth can be found by selecting the local surf guide option on the grey menu. Our Wainakarua River Mouth surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Wainakarua River Mouth) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Wainakarua River Mouth may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Are you planning a holiday in Otago? If you are looking for accommodation near Wainakarua River Mouth, camping, hotels and holiday cottages in Otago, consider staying in Dunedin which is 72 km (45 miles) away.

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