Sponge bay Surf Break

Lat Long: 38.70° S 178.06° E

Sponge bay 48 hour detailed Surf Forecast

Issued: 11 am 13 Sep 2026 (local time)

Forecast update in  hr  min

Today's Sponge bay sea temperature is
12.9°C
1.1° 

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 (13 Sep):

  • Morning surf: Morning surf (13 Sep, local time) - 5ft (1.6m), 15s period with SSE swell.
  • Afternoon surf: Afternoon surf (13 Sep, local time) - 6ft (1.9m), 14s period with S swell.
  • Evening surf: Evening surf (13 Sep, local time) - 7.5ft (2.3m), 9s period with S swell.

The current surf forecast for Sponge bay at 3PM is: 1.9m 14s primary swell from a South direction and 1.5m 14s secondary swell from a South-southeast direction, 0.1m 12s secondary swell from a East direction (forecast issued at 11:00am September 13). The wind direction is predicted to be onshore.

Time (NZST) & DateWave HeightWave Period
Morning (13 Sep)5ft (1.6m)15s
Afternoon (13 Sep)6ft (1.9m)14s
Evening (13 Sep)7.5ft (2.3m)9s

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


Short Range Forecast

Mostly dry. Very mild (max 15°C on Sun morning, min 9°C on Sun night). Wind will be generally light.

Sun
13
Monday
14
Tuesday
15
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)
2
0
0
0
2
1
2
3
3
3
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)
1.6
SSE
15
1.5
SSE
15
1.9
S
14
1.9
S
14
2.3
S
9
1.7
SSE
11
1.7
SSE
12
1.7
SSE
13
1.6
SSE
12
1.4
SSE
13
1.3
SSE
13
1.3
SSE
13
1.3
SSE
12
1.1
SSE
12
1.1
SSE
12
1
SSE
11
1
SSE
11
0.9
SSE
10
1
SE
10
0.9
SE
10
0.9
SE
10
Wave Graph
Metric surfscale
Energy kJ
1167
996
1423
1294
861
649
802
853
739
669
596
578
466
353
336
256
242
185
196
139
131
Wind (km/h)
10
W
20
SSW
25
S
20
SSW
15
SSW
10
W
10
W
5
NW
5
NNW
10
ENE
10
ENE
10
ENE
5
NNE
5
N
5
NNW
5
N
5
NNE
15
ENE
15
NE
20
NNE
15
NNW
Wind State
cross
on
on
on
cross-on
cross
cross
cross-off
off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
High Tide
7:17AM1.99m
7:34PM2.05m
8:00AM2.01m
8:14PM2.02m
8:43AM2.00m
8:56PM1.97m
Low Tide
1:23PM0.42m
1:52AM0.42m
2:08PM0.44m
2:32AM0.43m
2:52PM0.48m
clear
clear
clear
clear
clear
clear
clear
cloud
part cloud
part cloud
part cloud
part cloud
cloud
clear
clear
cloud
clear
clear
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:11
6:09
6:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:54
5:55
5:57
 mm
Temp °C
11
15
14
12
11
9
9
9
10
11
11
11
11
11
10
11
12
13
15
14
12
Feels °C
7
9
8
7
8
6
7
7
8
9
8
9
10
10
8
9
10
9
11
10
9
  • 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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