Sponge bay Surf Break

Lat Long: 38.70° S 178.06° E

Sponge bay 48 hour detailed Surf Forecast

Issued: 11 pm 25 Aug 2026 (local time)

Forecast update in  hr  min

Today's Sponge bay sea temperature is
12.3°C
1.6° 

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 (26 Aug):

  • Morning surf: Morning surf (26 Aug, local time) - 2.5ft (0.7m), 18s period with SSE swell.
  • Afternoon surf: Afternoon surf (26 Aug, local time) - 2ft (0.6m), 16s period with SSE swell.
  • Evening surf: Evening surf (26 Aug, local time) - 2ft (0.6m), 15s period with SSE swell.

The current surf forecast for Sponge bay at 5AM is: 0.7m 17s primary swell from a South-southeast direction and 0.3m 13s secondary swell from a East-southeast direction (forecast issued at 11:00pm August 25). The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (NZST) & DateWave HeightWave Period
Morning (26 Aug)2.5ft (0.7m)18s
Afternoon (26 Aug)2ft (0.6m)16s
Evening (26 Aug)2ft (0.6m)15s

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


Short Range Forecast

Some drizzle, heaviest during Thu morning. Very mild (max 16°C on Wed morning, min 10°C on Thu night). Wind will be generally light.

Wednesday
26
Thursday
27
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)
2
1
1
1
2
2
1
1
1
0
0
1
0
1
2
3
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
SSE
16
0.7
SSE
15
0.7
SSE
15
0.7
SSE
17
0.7
SSE
18
0.6
SSE
17
0.6
SSE
16
0.6
SSE
16
0.6
SSE
15
0.6
SSE
15
0.6
SSE
17
0.7
SSE
18
1
SSE
18
1.3
SSE
17
1.3
SSE
17
1.3
SSE
17
1.4
SSE
16
Wave Graph
Metric surfscale
Energy kJ
273
231
228
315
318
235
206
191
169
167
227
318
655
950
928
907
1042
Wind (km/h)
10
WNW
15
NW
15
NW
15
NW
15
NW
5
N
10
ENE
5
NW
15
NW
20
WNW
20
WNW
10
W
15
S
15
SSE
10
SE
10
E
15
NE
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross
on
cross-on
cross-on
cross-off
cross-off
High Tide
4:20AM1.65m
4:58PM1.73m
5:17AM1.71m
5:51PM1.81m
Low Tide
10:10PM0.83m
10:32AM0.78m
11:11PM0.79m
11:26AM0.72m
clear
clear
clear
clear
clear
cloud
clear
clear
clear
part cloud
part cloud
part cloud
cloud
light rain
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:39
6:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:39
5:40
 mm
1
Temp °C
13
12
11
11
12
16
16
16
15
15
15
15
12
12
11
11
11
Feels °C
10
8
7
7
8
14
12
14
11
11
10
12
9
10
9
9
8
  • 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.


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