Sponge bay Surf Break

Lat Long: 38.70° S 178.06° E

Sponge bay 48 hour detailed Surf Forecast

Issued: 5 pm 05 Sep 2026 (local time)

Forecast update in  hr  min

Today's Sponge bay sea temperature is
13.2°C
0.8° 

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 (05 Sep):

  • Afternoon surf: Afternoon surf (05 Sep, local time) - 1.5ft (0.5m), 9s period with S swell.
  • Evening surf: Evening surf (05 Sep, local time) - 1ft (0.3m), 9s period with SSE swell.

The current surf forecast for Sponge bay at 9PM is: 0.3m 9s primary swell from a South-southeast direction and 0.3m 7s secondary swell from a South direction (forecast issued at 05:00pm September 05). An open ocean swell of 0.4m 4s is not directed at the surf break, a second open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (NZST) & DateWave HeightWave Period
Morning (05 Sep)--
Afternoon (05 Sep)1.5ft (0.5m)9s
Evening (05 Sep)1ft (0.3m)9s

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


Short Range Forecast

Moderate rain (total 11mm), heaviest on Mon afternoon. Very mild (max 17°C on Sun morning, min 9°C on Sat night). Wind will be generally light.

Sat
5
Sunday
6
Monday
7
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
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.5
S
9
0.4
SSE
9
0.3
SSE
9
0.5
SSE
13
0.6
SSE
12
0.5
SSE
11
0.5
S
11
0.4
SSE
9
0.3
SSE
18
0.3
SSE
17
0.3
SSE
16
0.4
SSE
17
0.3
SSE
17
0.2
SSE
17
0.2
SSE
16
0.2
SSE
16
0.3
SSE
11
0.2
S
16
0.4
SSE
9
Wave Graph
Metric surfscale
Energy kJ
39
26
15
96
115
73
57
32
62
57
53
96
56
28
26
25
23
20
26
Wind (km/h)
20
ENE
15
NE
15
NW
15
NW
20
NW
20
NW
20
NW
15
NW
20
NW
20
NNW
20
NNW
15
NNW
15
NNW
15
NNW
20
NNW
15
N
15
SW
20
WSW
15
W
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
off
cross-on
cross
cross
High Tide
00:14AM1.84m
12:49PM1.88m
1:09AM1.78m
1:45PM1.84m
Low Tide
6:05PM0.58m
6:37AM0.51m
7:03PM0.63m
7:32AM0.54m
8:06PM0.66m
clear
part cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
cloud
cloud
clear
cloud
cloud
cloud
cloud
light rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:22
6:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:47
5:49
5:50
 mm
3
1
2
Temp °C
13
13
12
11
10
9
12
17
15
14
15
14
15
16
16
17
13
12
11
Feels °C
8
9
8
7
5
4
7
13
11
9
11
11
12
13
13
15
10
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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