Waiapu River Surf Break

Lat Long: 37.77° S 178.48° E

Waiapu River 48 hour detailed Surf Forecast

Issued: 11 am 21 Sep 2026 (local time)

Forecast update in  hr  min

Today's Waiapu River sea temperature is
14.4°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 (21 Sep):

  • Morning surf: Morning surf (21 Sep, local time) - 6ft (1.9m), 11s period with SSE swell.
  • Afternoon surf: Afternoon surf (21 Sep, local time) - 5ft (1.5m), 10s period with SSE swell.
  • Evening surf: Evening surf (21 Sep, local time) - 4.5ft (1.3m), 9s period with SSE swell.

The current surf forecast for Waiapu River at 4PM is: 1.4m 10s primary swell from a South-southeast direction and 0.1m 10s secondary swell from a Northeast direction (forecast issued at 11:00am September 21). An open ocean swell of 0.6m 5s is not directed at the surf break. The wind direction is predicted to be glassy and the swell rating is 2.

Time (NZST) & DateWave HeightWave Period
Morning (21 Sep)6ft (1.9m)11s
Afternoon (21 Sep)5ft (1.5m)10s
Evening (21 Sep)4.5ft (1.3m)9s

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


Short Range Forecast

Light rain (total 8mm), mostly falling on Wed afternoon. Very mild (max 19°C on Tue morning, min 7°C on Wed night). Mainly fresh winds.

Mon
21
Tuesday
22
Wednesday
23
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)
3
3
2
2
2
2
1
1
1
1
1
1
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
Wave
Height (m)
Direction
Period (s)
1.9
SSE
11
1.7
SSE
11
1.5
SSE
10
1.3
SSE
9
1.3
SSE
9
1.2
SSE
9
1
SSE
8
0.7
SE
7
0.6
SE
7
0.7
SE
8
0.7
SE
8
0.6
SE
8
0.9
SSE
7
1.6
SSE
6
1.5
SSE
7
1.3
SSE
7
1
SSE
7
1
SSE
7
0.4
SE
11
1.6
SSE
8
0.2
SSE
16
Wave Graph
Metric surfscale
Energy kJ
838
604
402
299
249
202
128
56
44
57
66
49
78
195
192
149
105
117
30
266
26
Wind (km/h)
10
N
10
NNE
5
NW
10
WNW
10
W
10
W
10
W
5
WNW
5
NNW
5
ENE
5
NE
0
WSW
30
S
20
S
20
SSW
10
SSW
10
S
25
SSE
25
SSW
20
SSW
25
SSW
Wind State
cross-off
cross-off
off
off
cross-off
cross-off
cross-off
cross-off
glassy
glassy
glassy
glassy
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-on
High Tide
1:45PM1.37m
2:05AM1.30m
2:38PM1.37m
2:59AM1.30m
3:30PM1.39m
Low Tide
7:25AM0.39m
7:59PM0.45m
8:16AM0.40m
8:53PM0.44m
9:08AM0.39m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
clear
clear
clear
part cloud
light rain
light rain
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:56
5:56
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:00
6:01
6:01
 mm
5
3
Temp °C
12
15
17
14
11
10
9
10
16
19
17
16
11
11
11
9
12
11
9
9
8
Feels °C
8
11
14
11
9
8
6
8
14
18
16
16
5
6
6
6
8
5
4
4
2
  • 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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