Kakanui River Mouth Surf Break

Lat Long: 45.19° S 170.90° E

Kakanui River Mouth 48 hour detailed Surf Forecast

Issued: 5 am 20 Aug 2026 (local time)

Forecast update in  hr  min

Today's Kakanui River Mouth sea temperature is
10.1° C
1.6° 

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


How big are the waves at Kakanui River Mouth today (20 Aug):

  • Morning surf: Morning surf (20 Aug, local time) - 3.5ft (1.0m), 10s period with SSE swell.
  • Afternoon surf: Afternoon surf (20 Aug, local time) - 2.5ft (0.8m), 10s period with SSE swell.
  • Evening surf: Evening surf (20 Aug, local time) - 3ft (0.9m), 16s period with SSE swell.

The current surf forecast for Kakanui River Mouth at 9AM is: 1.0m 10s primary swell from a South-southeast direction and 0.4m 12s secondary swell from a South-southeast direction (forecast issued at 05:00am August 20). The wind direction is predicted to be offshore and the swell rating is 2.

Time (NZST) & DateWave HeightWave Period
Morning (20 Aug)3.5ft (1.0m)10s
Afternoon (20 Aug)2.5ft (0.8m)10s
Evening (20 Aug)3ft (0.9m)16s

Table - waves today at Kakanui River Mouth. (Swell directed towards the surf break)


Short Range Forecast

Mostly dry. Very mild (max 15°C on Sat afternoon, min 6°C on Thu night). Wind will be generally light.

Thursday
20
Friday
21
Saturday
22
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)
4
4
2
2
1
1
2
2
2
2
1
0
0
0
1
1
1
1
1
0
0
1
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)
2
SSW
11
2
SSW
11
1
SSE
10
0.9
SSE
10
0.8
SSE
10
0.6
S
16
0.9
SSE
16
0.9
SSE
14
0.8
SSE
13
0.8
SSE
13
0.8
SSE
11
0.7
SSE
11
0.7
SSE
11
0.7
SSE
10
0.6
SSE
10
0.6
SSE
10
0.6
SSE
10
0.5
SSE
10
0.5
SSE
10
0.4
SSE
10
0.4
SSE
10
0.9
NE
6
0.2
ESE
14
Wave Graph
Metric surfscale
Energy kJ
933
994
193
163
151
186
406
327
229
212
173
123
117
106
78
78
78
56
56
38
36
52
21
Wind (km/h)
10
SW
10
WSW
10
W
0
SW
10
NE
10
NNE
10
NNW
10
NNW
10
NW
10
NNW
10
NNW
10
NNE
15
NE
15
NNE
10
NW
10
WNW
10
NW
15
WNW
15
NW
20
NNW
15
NNE
5
W
5
WNW
Wind State
cross-off
off
off
glassy
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-on
cross
cross-off
off
cross-off
off
cross-off
cross-off
cross-on
glassy
cross-off
High Tide
9:13AM1.53m
9:39PM1.46m
10:15AM1.52m
10:39PM1.45m
11:12AM1.54m
Low Tide
2:51AM0.42m
3:25PM0.49m
3:46AM0.46m
4:21PM0.52m
4:39AM0.47m
5:13PM0.51m
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
cloud
clear
part cloud
part cloud
clear
clear
cloud
part cloud
part cloud
part cloud
cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:26
7:24
7:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:52
5:53
5:54
 mm
Temp °C
7
7
8
9
11
8
8
8
7
6
6
9
12
10
9
8
9
9
10
14
15
13
11
Feels °C
3
3
5
7
8
4
5
5
4
3
3
6
8
6
6
4
5
4
6
9
11
11
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 

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