Blacks Reef Surf Break

Lat Long: 39.07° S 177.80° E

Blacks Reef 48 hour detailed Surf Forecast

Issued: 5 am 31 Aug 2026 (local time)

Forecast update in  hr  min

Today's Blacks Reef sea temperature is
12.2°C
1.4° 

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 (31 Aug):

  • Morning surf: Morning surf (31 Aug, local time) - 3ft (0.9m), 17s period with S swell.
  • Afternoon surf: Afternoon surf (31 Aug, local time) - 4.5ft (1.4m), 15s period with S swell.
  • Evening surf: Evening surf (31 Aug, local time) - 7.5ft (2.3m), 13s period with SSW swell.

The current surf forecast for Blacks Reef at 10AM is: 1.0m 17s primary swell from a South direction and 0.8m 8s secondary swell from a South-southwest direction (forecast issued at 05:00am August 31). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (NZST) & DateWave HeightWave Period
Morning (31 Aug)3ft (0.9m)17s
Afternoon (31 Aug)4.5ft (1.4m)15s
Evening (31 Aug)7.5ft (2.3m)13s

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


Short Range Forecast

Light rain (total 3mm), mostly falling on Mon night. Very mild (max 17°C on Mon afternoon, min 7°C on Mon night). Winds decreasing (fresh winds from the WSW on Mon night, calm by Wed afternoon).

Monday
31
Tuesday
1
Wednesday
2
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)
0
1
0
0
1
0
0
0
3
0
0
!
3
5
!
5
5
4
4
6
5
4
4
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)
0.9
SSW
8
0.7
S
18
0.9
S
17
1
S
17
1.4
S
15
2.2
SSW
13
2.3
SSW
13
3
SSW
13
3
S
13
3.5
S
13
3
S
12
3.5
SSW
12
3
S
13
3
S
13
3.5
S
13
3
S
14
3
S
13
2.5
S
13
2.5
S
13
2.5
S
17
2.5
S
17
2.5
S
17
2.4
S
15
Wave Graph
Metric surfscale
Energy kJ
105
307
470
546
847
1649
1706
3088
3638
3614
2868
3175
2646
3459
3848
3663
3183
2359
2215
4235
3882
3702
2546
Wind (km/h)
10
WNW
15
NW
30
WNW
30
W
25
W
25
W
35
WSW
25
SSW
15
SSW
25
SSW
25
SW
15
SW
10
SSW
5
N
10
NNW
10
NW
10
NW
15
NNW
10
NW
5
WNW
0
WSW
10
WNW
15
WNW
Wind State
cross
cross-off
cross
cross
cross
cross-on
cross-on
on
on
on
cross-on
cross-on
on
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
glassy
cross
cross-off
High Tide
7:44AM1.59m
8:05PM1.66m
8:29AM1.65m
8:52PM1.69m
9:13AM1.70m
Low Tide
1:35AM0.24m
1:48PM0.24m
2:20AM0.23m
2:37PM0.24m
3:05AM0.23m
3:28PM0.25m
clear
clear
clear
clear
clear
clear
clear
part cloud
light rain
rain showers
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:33
6:31
6:30
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:45
5:45
5:46
 mm
1
2
Temp °C
11
11
14
16
17
15
13
9
8
7
8
9
10
9
9
8
8
9
13
16
17
15
12
Feels °C
8
7
7
9
11
10
5
3
5
1
2
5
7
7
6
4
5
5
10
14
15
12
8
  • 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 Blacks Reef 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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