Sponge bay Surf Break

Lat Long: 38.70° S 178.06° E

Sponge bay 48 hour detailed Surf Forecast

Issued: 5 am 07 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 (07 Sep):

  • Morning surf: Morning surf (07 Sep, local time) - 0.5ft (0.2m), 16s period with SSE swell.
  • Afternoon surf: Afternoon surf (07 Sep, local time) - 0.5ft (0.2m), 16s period with S swell.
  • Evening surf: Evening surf (07 Sep, local time) - 10ft (3.0m), 8s period with SSE swell.

The current surf forecast for Sponge bay at 10AM is: 0.2m 16s primary swell from a South-southeast direction and 0.2m 12s secondary swell from a South-southeast direction (forecast issued at 05:00am September 07). The wind direction is predicted to be cross-offshore.

Time (NZST) & DateWave HeightWave Period
Morning (07 Sep)0.5ft (0.2m)16s
Afternoon (07 Sep)0.5ft (0.2m)16s
Evening (07 Sep)10ft (3.0m)8s

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


Short Range Forecast

Moderate rain (total 11mm), heaviest on Mon night. Very mild (max 16°C on Mon morning, min 7°C on Tue night). Winds decreasing (strong winds from the SW on Mon night, calm by Wed morning).

Monday
7
Tuesday
8
Wednesday
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)
1
0
0
0
0
0
!
0
0
0
0
0
0
0
0
1
0
1
0
1
1
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)
0.3
SSE
17
0.2
SSE
17
0.2
SSE
16
0.2
S
16
0.2
S
16
1.1
SSE
8
3
SSE
8
3
SSE
8
3.5
S
9
3.5
S
9
3.5
S
9
3
S
8
2.5
S
8
2.5
S
8
2.4
SSE
8
1.5
SE
8
1.4
SE
8
1.3
SE
8
1.3
SE
8
1.2
SE
8
1.1
SE
8
1.1
SE
8
0.9
SE
8
Wave Graph
Metric surfscale
Energy kJ
57
28
26
20
20
155
1151
1431
1630
1820
1622
1214
1043
878
727
284
251
227
244
191
163
128
94
Wind (km/h)
20
NNW
15
NNW
25
NNW
15
SW
25
W
25
WSW
10
W
30
SW
45
SW
40
SW
35
SW
35
SW
35
SW
30
SW
20
SW
15
W
10
W
10
WNW
5
WSW
0
W
5
NW
10
NNW
15
NNW
Wind State
off
off
cross-off
cross-on
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross-off
cross
glassy
cross-off
off
cross-off
High Tide
1:09AM1.78m
1:45PM1.84m
2:13AM1.74m
2:51PM1.83m
3:33AM1.75m
4:11PM1.86m
Low Tide
7:32AM0.54m
8:06PM0.66m
8:34AM0.56m
9:17PM0.66m
9:47AM0.55m
cloud
cloud
cloud
light rain
light rain
cloud
light rain
light rain
light rain
light rain
cloud
light rain
part cloud
part cloud
clear
clear
clear
cloud
cloud
cloud
cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:20
6:20
6:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:50
5:51
5:52
 mm
1
2
1
2
3
1
1
Temp °C
16
16
16
15
12
12
12
12
9
10
10
10
11
11
10
8
8
7
9
11
11
10
8
Feels °C
13
14
12
13
7
8
10
6
-1
1
2
3
3
5
6
4
5
4
7
10
9
7
4
  • 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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