Sponge bay Surf Break

Lat Long: 38.70° S 178.06° E

Sponge bay 48 hour detailed Surf Forecast

Issued: 5 am 07 Aug 2026 (local time)

Forecast update in  hr  min

Today's Sponge bay sea temperature is
13.0° C
1.2° 

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 (07 Aug):

  • Morning surf: Morning surf (07 Aug, local time) - 4.5ft (1.4m), 10s period with SE swell.
  • Afternoon surf: Afternoon surf (07 Aug, local time) - 5ft (1.6m), 15s period with SE swell.
  • Evening surf: Evening surf (07 Aug, local time) - 5.5ft (1.7m), 14s period with SSE swell.

The current surf forecast for Sponge bay at 11AM is: 1.0m 16s primary swell from a South-southeast direction and 1.3m 10s secondary swell from a Southeast direction (forecast issued at 05:00am August 07). The wind direction is predicted to be glassy and the swell rating is 3.

Time (NZST) & DateWave HeightWave Period
Morning (07 Aug)4.5ft (1.4m)10s
Afternoon (07 Aug)5ft (1.6m)15s
Evening (07 Aug)5.5ft (1.7m)14s

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


Short Range Forecast

Light rain (total 7mm), mostly falling on Sun night. Very mild (max 15°C on Sun morning, min 6°C on Fri morning). Wind will be generally light.

Friday
7
Saturday
8
Sunday
9
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
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
2
2
3
3
4
3
3
3
4
3
3
3
3
3
2
1
1
2
2
2
2
1
1
Swell
Height Map
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
SE
10
1.5
SE
10
1.4
SE
10
1
SSE
16
1.6
SE
15
1.7
SE
14
1.7
SSE
14
1.7
SSE
14
1.6
SE
13
1.4
SE
13
1.3
SSE
12
1.3
SSE
12
1.3
SSE
12
1.2
SE
12
1.1
SE
11
1.1
SE
11
1
SE
11
1
SE
11
1
SE
11
0.9
SE
11
0.9
SE
10
0.8
SE
10
0.9
SE
13
Wave Graph
Metric surfscale
Energy kJ
508
477
363
493
1187
1220
1080
990
854
594
521
496
480
407
331
283
237
233
229
191
160
132
245
Wind (km/h)
15
WNW
10
WNW
10
NW
5
ENE
15
E
10
NE
10
NW
10
NW
10
WNW
10
WNW
15
NW
5
NNE
10
ENE
10
NNE
15
NNW
15
NNW
20
NW
15
NNW
10
NNW
10
N
15
N
15
NNE
10
NNW
Wind State
cross-off
cross-off
cross-off
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
off
off
off
off
off
High Tide
12:16PM1.90m
00:32AM1.88m
1:05PM1.89m
1:22AM1.83m
1:58PM1.86m
Low Tide
6:09AM0.46m
6:20PM0.54m
6:56AM0.45m
7:14PM0.57m
7:47AM0.47m
8:12PM0.60m
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:03
7:01
7:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:22
5:23
5:24
 mm
1
Temp °C
6
6
6
8
8
9
8
7
7
7
8
11
12
11
10
9
9
10
10
15
14
13
13
Feels °C
2
2
2
5
4
6
5
3
3
3
3
8
8
7
6
5
4
6
7
12
11
10
11
  • 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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