Kakanui River Mouth Surf Break

Lat Long: 45.19° S 170.90° E

Kakanui River Mouth 48 hour detailed Surf Forecast

Issued: 11 pm 17 Aug 2026 (local time)

Forecast update in  hr  min

Today's Kakanui River Mouth sea temperature is
10.2° C
1.7° 

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 (18 Aug):

  • Morning surf: Morning surf (18 Aug, local time) - 7ft (2.1m), 8s period with S swell.
  • Afternoon surf: Afternoon surf (18 Aug, local time) - 8ft (2.4m), 9s period with S swell.
  • Evening surf: Evening surf (18 Aug, local time) - 10ft (3.0m), 14s period with S swell.

The current surf forecast for Kakanui River Mouth at 7AM is: 1.8m 8s primary swell from a South-southwest direction and 0.5m 11s secondary swell from a East direction, 0.2m 14s secondary swell from a East-southeast direction (forecast issued at 11:00pm August 17). The wind direction is predicted to be cross-offshore.

Time (NZST) & DateWave HeightWave Period
Morning (18 Aug)7ft (2.1m)8s
Afternoon (18 Aug)8ft (2.4m)9s
Evening (18 Aug)10ft (3.0m)14s

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


Short Range Forecast

Mostly dry. Very mild (max 13°C on Wed afternoon, min 7°C on Wed night). Winds decreasing (strong winds from the SW on Tue morning, calm by Thu morning).

Tuesday
18
Wednesday
19
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
1
2
!
4
4
4
4
2
2
1
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.4
SSE
13
1.1
SSW
7
1.5
S
7
1.7
SSW
7
2.1
S
8
2.4
S
9
2.4
S
9
2.3
S
14
3
S
14
2.2
SSE
15
1.9
SSE
15
1.7
SSE
14
1.6
SSE
14
0.9
SSE
13
1.9
S
10
1.3
SSE
8
1.7
S
8
Wave Graph
Metric surfscale
Energy kJ
57
114
245
327
647
958
916
2155
4238
2133
1602
1257
1017
299
652
211
346
Wind (km/h)
25
WSW
30
WSW
30
SW
40
SW
40
SW
40
SW
35
SW
25
SSW
25
SW
10
WSW
10
W
10
WSW
10
WSW
10
SW
10
SSE
10
SSE
10
WNW
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
cross-off
cross-on
cross-on
cross-off
High Tide
6:43PM1.69m
7:12AM1.64m
7:37PM1.58m
8:10AM1.57m
8:36PM1.50m
Low Tide
1:03AM0.27m
1:31PM0.33m
1:57AM0.35m
2:27PM0.42m
cloud
part cloud
clear
clear
part cloud
part cloud
cloud
cloud
clear
cloud
cloud
part cloud
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:30
7:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:51
5:52
 mm
Temp °C
10
10
10
10
10
11
10
10
9
9
9
9
9
12
13
9
8
Feels °C
4
3
3
1
0
2
2
4
3
5
5
5
6
9
10
7
5
  • 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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