Sponge bay Surf Break

Lat Long: 38.70° S 178.06° E

Sponge bay 48 hour detailed Surf Forecast

Issued: 5 pm 19 Sep 2026 (local time)

Forecast update in  hr  min

Today's Sponge bay sea temperature is
13.7°C
0.5° 

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 (19 Sep):

  • Afternoon surf: Afternoon surf (19 Sep, local time) - 2.5ft (0.8m), 16s period with SSE swell.
  • Evening surf: Evening surf (19 Sep, local time) - 2.5ft (0.7m), 15s period with SSE swell.

The current surf forecast for Sponge bay at 10PM is: 0.7m 15s primary swell from a South-southeast direction and 0.7m 11s secondary swell from a East-southeast direction (forecast issued at 05:00pm September 19). The wind direction is predicted to be cross-offshore.

Time (NZST) & DateWave HeightWave Period
Morning (19 Sep)--
Afternoon (19 Sep)2.5ft (0.8m)16s
Evening (19 Sep)2.5ft (0.7m)15s

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


Short Range Forecast

Some drizzle, heaviest during Sun morning. Very mild (max 15°C on Sat afternoon, min 6°C on Sun night). Winds increasing (light winds from the N on Sat afternoon, strong winds from the SSW by Sun afternoon).

Sat
19
Sunday
20
Monday
21
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
1
0
0
0
0
0
0
0
0
0
!
4
4
2
2
2
2
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
0.8
SSE
15
0.7
SSE
15
0.7
SSE
14
0.6
SSE
14
0.5
S
13
0.5
S
13
1.7
S
7
2.1
SSE
9
3.5
S
10
4
S
10
3.5
S
11
4
SSW
12
2.4
SSE
14
2.1
SSE
14
1.9
SSE
13
1.7
SSE
12
1.5
SSE
12
1.3
SSE
11
Wave Graph
Metric surfscale
Energy kJ
346
312
225
215
156
92
85
278
660
2199
3366
3113
5283
2342
1650
1152
830
585
396
Wind (km/h)
15
ENE
10
N
15
NW
25
WNW
25
WNW
25
WNW
35
WSW
40
SW
40
SSW
35
SW
35
SW
25
SW
15
WSW
10
WNW
10
NW
20
ENE
20
ENE
15
NE
10
WNW
Wind State
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
11:56PM1.72m
12:25PM1.75m
00:45AM1.67m
1:14PM1.73m
Low Tide
5:56PM0.73m
6:17AM0.76m
6:47PM0.77m
7:06AM0.81m
7:43PM0.79m
clear
cloud
clear
part cloud
part cloud
part cloud
clear
rain showers
clear
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:01
5:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:00
6:01
6:01
 mm
1
Temp °C
15
13
13
14
14
14
14
10
12
11
10
9
8
6
10
12
14
13
12
Feels °C
13
12
10
9
9
9
6
1
2
3
1
2
3
2
7
7
9
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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