Sponge bay Surf Break

Lat Long: 38.70° S 178.06° E

Sponge bay 48 hour detailed Surf Forecast

Issued: 11 pm 09 Jul 2026 (local time)

Forecast update in  hr  min

Today's Sponge bay sea temperature is
13.6° C
1.0° 

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 (10 Jul):

  • Morning surf: Morning surf (10 Jul, local time) - 10ft (3.0m), 10s period with SE swell.
  • Afternoon surf: Afternoon surf (10 Jul, local time) - 11ft (3.5m), 10s period with SSE swell.
  • Evening surf: Evening surf (10 Jul, local time) - 8ft (2.4m), 10s period with SE swell.

The current surf forecast for Sponge bay at 6AM is: 3.5m 10s primary swell from a Southeast direction and 0.9m 10s secondary swell from a East direction (forecast issued at 11:00pm July 09). The wind direction is predicted to be onshore.

Time (NZST) & DateWave HeightWave Period
Morning (10 Jul)10ft (3.0m)10s
Afternoon (10 Jul)11ft (3.5m)10s
Evening (10 Jul)8ft (2.4m)10s

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


Short Range Forecast

Heavy rain (total 28mm), heaviest during Thu night. Very mild (max 12°C on Thu night, min 9°C on Fri night). Winds decreasing (near gales from the S on Thu night, light winds from the SSE by Sun afternoon).

Friday
10
Saturday
11
Sunday
12
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
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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
Height Map
Wave
Height (m)
Direction
Period (s)
3
SSE
10
3.5
SE
11
3.5
SE
11
3.5
SE
10
3
SE
10
4
SSE
10
3.5
SSE
10
2.5
SE
10
2.4
SE
10
2.3
SE
10
2.1
SE
10
2.5
SE
9
2.4
SE
9
1.8
SE
9
1.7
ESE
9
2
SE
9
2.1
SE
9
1.5
SE
9
1.4
SE
9
1.4
SE
9
1.3
ESE
9
1.2
SE
9
1.2
SE
9
1.2
ESE
9
Wave Graph
Metric surfscale
Energy kJ
1864
2672
2655
2397
1936
2990
2555
1297
1070
959
862
1137
984
563
470
640
675
373
345
307
276
242
242
231
Wind (km/h)
50
S
50
S
50
S
45
S
40
S
40
S
35
S
35
SSW
30
SSW
30
SSW
25
SSW
20
SSW
25
SSW
15
SW
15
SW
20
S
20
S
15
SSW
10
WSW
10
WSW
10
WSW
5
WSW
5
SSE
5
SSE
Wind State
on
on
on
on
on
on
on
on
cross-on
on
cross-on
on
on
cross-on
cross-on
on
on
cross-on
cross-on
cross-on
cross
cross
on
cross-on
High Tide
00:59AM1.91m
1:30PM1.89m
1:45AM1.89m
2:19PM1.90m
2:38AM1.86m
3:12PM1.90m
Low Tide
6:45PM0.54m
7:24AM0.45m
7:35PM0.54m
8:10AM0.42m
8:29PM0.54m
9:01AM0.42m
light rain
light rain
light rain
mod rain
light rain
light rain
light rain
light rain
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
rain showers
part cloud
cloud
part cloud
cloud
cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:24
7:24
7:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:00
5:01
5:01
 mm
4
4
4
8
4
1
1
1
1
Temp °C
12
12
11
11
11
12
11
10
10
10
9
9
10
10
10
10
10
10
9
9
9
10
11
10
Feels °C
2
2
1
2
2
4
3
2
3
3
3
3
4
6
6
5
5
6
5
6
6
8
9
7
  • 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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