Sponge bay Surf Break

Lat Long: 38.70° S 178.06° E

Sponge bay 48 hour detailed Surf Forecast

Issued: 11 pm 23 Aug 2026 (local time)

Forecast update in  hr  min

Today's Sponge bay sea temperature is
12.2°C
1.7° 

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


How big are the waves at Sponge bay today (24 Aug):

  • Morning surf: Morning surf (24 Aug, local time) - 3ft (0.9m), 9s period with SSE swell.
  • Afternoon surf: Afternoon surf (24 Aug, local time) - 2.5ft (0.8m), 8s period with SSE swell.
  • Evening surf: Evening surf (24 Aug, local time) - 4.5ft (1.4m), 13s period with SSE swell.

The current surf forecast for Sponge bay at 3AM is: 0.3m 13s primary swell from a East-southeast direction and 0.3m 9s secondary swell from a South-southeast direction (forecast issued at 11:00pm August 23). The wind direction is predicted to be cross-offshore.

Time (NZST) & DateWave HeightWave Period
Morning (24 Aug)3ft (0.9m)9s
Afternoon (24 Aug)2.5ft (0.8m)8s
Evening (24 Aug)4.5ft (1.4m)13s

Table - waves today at Sponge bay. (Swell directed towards the surf break)


Short Range Forecast

Mostly dry. Very mild (max 16°C on Wed afternoon, min 9°C on Sun night). Wind will be generally light.

Monday
24
Tuesday
25
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
1
1
1
0
3
3
1
2
2
1
1
0
1
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.3
ESE
13
0.3
ESE
13
0.3
ESE
13
0.6
S
9
0.9
SSE
9
0.9
SSE
9
0.8
SSE
8
1.3
SSE
14
1.4
SSE
13
1.3
SSE
13
1.1
SSE
13
0.9
SSE
13
0.9
SSE
13
0.9
SSE
12
0.8
SSE
12
0.6
SSE
12
0.8
SSE
15
Wave Graph
Metric surfscale
Energy kJ
33
33
33
54
140
134
83
631
663
538
378
294
227
217
169
107
270
Wind (km/h)
20
WNW
15
WNW
20
WNW
15
WNW
10
NW
5
ENE
15
ENE
15
NNE
15
NW
15
NW
15
NW
15
WNW
15
WNW
5
ESE
10
E
10
NNE
15
WNW
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
cross
cross-off
cross-off
High Tide
2:05AM1.65m
2:36PM1.70m
3:08AM1.63m
3:41PM1.69m
Low Tide
8:09PM0.81m
8:27AM0.80m
9:07PM0.83m
9:27AM0.82m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:41
6:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:37
5:38
 mm
Temp °C
13
10
9
9
10
13
13
12
12
11
10
9
11
15
15
14
14
Feels °C
8
5
4
5
7
11
8
8
8
7
6
5
7
13
12
11
10
  • 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 Sponge bay 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.


Nearest locationNearest