Blacks Reef Surf Break

Lat Long: 39.07° S 177.80° E

Blacks Reef 48 hour detailed Surf Forecast

Issued: 5 pm 10 Aug 2026 (local time)

Forecast update in  hr  min

Today's Blacks Reef sea temperature is
12.4° C
1.5° 

Blacks Reef surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Blacks Reef today (11 Aug):

  • Morning surf: Morning surf (11 Aug, local time) - 5.5ft (1.7m), 8s period with SSW swell.
  • Afternoon surf: Afternoon surf (11 Aug, local time) - 5.5ft (1.7m), 8s period with SSW swell.
  • Evening surf: Evening surf (11 Aug, local time) - 3ft (0.9m), 11s period with SSE swell.

The current surf forecast for Blacks Reef at 1AM is: 0.7m 12s primary swell from a South-southeast direction and 0.7m 9s secondary swell from a South-southeast direction, 0.4m 5s secondary swell from a South-southwest direction (forecast issued at 05:00pm August 10). The wind direction is predicted to be cross-onshore.

Time (NZST) & DateWave HeightWave Period
Morning (11 Aug)5.5ft (1.7m)8s
Afternoon (11 Aug)5.5ft (1.7m)8s
Evening (11 Aug)3ft (0.9m)11s

Table - waves today at Blacks Reef. (Swell directed towards the surf break)


Short Range Forecast

Light rain (total 7mm), mostly falling on Thu morning. Very mild (max 15°C on Mon afternoon, min 8°C on Mon night). Wind will be generally light.

Mon
10
Tuesday
11
Wednesday
12
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
1
0
1
0
1
0
1
1
1
2
2
2
2
2
1
1
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
10
0.8
SSE
10
0.8
SSE
10
0.7
SSE
12
0.8
SSE
12
0.9
SSE
12
1.7
SSW
8
1.8
SSW
8
1.7
SSW
8
0.9
SSE
11
0.9
SSE
11
1.3
S
9
1.4
SSE
8
1.4
SSE
8
1.4
SSE
8
1.3
SSE
8
1.1
SSE
8
1.3
SSE
10
1.3
SE
10
Wave Graph
Metric surfscale
Energy kJ
131
128
123
131
167
206
322
418
370
206
167
269
284
270
221
193
145
314
303
Wind (km/h)
5
S
5
N
10
WSW
10
WSW
15
WSW
10
W
15
WSW
20
WSW
15
SW
5
SSW
0
W
5
NW
5
NW
5
ENE
10
NE
20
NE
20
NE
20
NE
20
NNE
Wind State
cross-on
off
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
glassy
cross-off
glassy
glassy
cross-off
cross-off
cross-off
off
off
High Tide
2:59PM1.81m
3:29AM1.69m
3:57PM1.84m
4:28AM1.70m
4:56PM1.86m
Low Tide
9:21PM0.19m
9:43AM0.16m
10:20PM0.15m
10:43AM0.10m
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
part cloud
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:01
7:00
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:25
5:27
5:28
 mm
Temp °C
15
12
12
10
9
8
10
11
11
10
10
10
10
11
11
11
12
11
11
Feels °C
12
10
9
7
6
5
6
7
8
8
9
8
9
10
9
7
8
6
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 

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