Waiapu River Surf Break

Lat Long: 37.77° S 178.48° E

Waiapu River 48 hour detailed Surf Forecast

Issued: 11 am 18 Sep 2026 (local time)

Forecast update in  hr  min

Today's Waiapu River sea temperature is
14.3°C
0.4° 

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


How big are the waves at Waiapu River today (18 Sep):

  • Morning surf: Morning surf (18 Sep, local time) - 3.5ft (1.0m), 12s period with ESE swell.
  • Afternoon surf: Afternoon surf (18 Sep, local time) - 3ft (0.9m), 12s period with ESE swell.
  • Evening surf: Evening surf (18 Sep, local time) - 2.5ft (0.8m), 11s period with ESE swell.

The current surf forecast for Waiapu River at 5PM is: 1.1m 11s primary swell from a Southeast direction and 0.9m 11s secondary swell from a East-southeast direction (forecast issued at 11:00am September 18). An open ocean swell of 1.9m 8s is not directed at the surf break, a second open ocean swell of 2.4m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 3.

Time (NZST) & DateWave HeightWave Period
Morning (18 Sep)3.5ft (1.0m)12s
Afternoon (18 Sep)3ft (0.9m)12s
Evening (18 Sep)2.5ft (0.8m)11s

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


Short Range Forecast

Moderate rain (total 10mm), heaviest on Fri afternoon. Very mild (max 18°C on Sat afternoon, min 8°C on Sun night). Winds increasing (calm on Sat morning, strong winds from the S by Sun morning).

Fri
18
Saturday
19
Sunday
20
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
1
1
2
2
3
2
1
2
2
2
2
2
2
2
1
1
0
0
0
1
Swell
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
ESE
12
1
ESE
12
0.9
ESE
12
1.1
SE
11
0.8
ESE
11
1.7
NNE
8
1.6
NNE
8
1.5
NNE
8
1.5
NNE
8
1.4
NNE
8
1.4
NNE
8
1.4
NNE
8
1.3
NNE
8
1
NE
8
0.7
ESE
11
0.7
ESE
11
0.5
ESE
11
0.5
ESE
11
0.5
ESE
11
1.8
SSE
9
1.7
SSE
10
Wave Graph
Metric surfscale
Energy kJ
320
299
243
278
154
361
322
284
291
264
250
238
196
129
107
107
68
66
64
544
551
Wind (km/h)
30
N
20
N
20
N
10
NNW
10
WNW
10
WNW
10
SSW
10
SW
5
WNW
15
N
10
NNW
10
WSW
10
W
15
NW
15
NW
20
NW
10
W
40
S
25
S
20
S
20
SSW
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
glassy
cross-off
cross-off
cross-off
cross-off
off
off
off
cross-off
cross-on
cross-on
cross-on
cross
High Tide
11:17AM1.49m
11:35PM1.42m
12:04PM1.44m
00:22AM1.36m
12:53PM1.40m
Low Tide
5:31PM0.34m
5:49AM0.32m
6:18PM0.39m
6:36AM0.36m
7:08PM0.43m
light rain
rain showers
thunderstorm
thunderstorm
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:01
6:01
5:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:58
5:59
6:00
 mm
2
1
4
3
Temp °C
15
14
14
13
12
11
10
10
14
16
18
15
13
13
13
14
15
13
13
11
10
Feels °C
10
10
11
12
11
9
8
8
13
13
16
14
11
10
10
10
12
4
6
5
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 

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 Waiapu River 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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