Blacks Reef Surf Break

Lat Long: 39.07° S 177.80° E

Blacks Reef 48 hour detailed Surf Forecast

Issued: 5 am 01 Sep 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 (01 Sep):

  • Morning surf: Morning surf (01 Sep, local time) - 10ft (3.0m), 12s period with S swell.
  • Afternoon surf: Afternoon surf (01 Sep, local time) - 10ft (3.0m), 12s period with S swell.
  • Evening surf: Evening surf (01 Sep, local time) - 11ft (3.5m), 14s period with S swell.

The current surf forecast for Blacks Reef at 10AM is: 3.0m 12s primary swell from a South direction (forecast issued at 05:00am September 01). An open ocean swell of 0.3m 10s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (NZST) & DateWave HeightWave Period
Morning (01 Sep)10ft (3.0m)12s
Afternoon (01 Sep)10ft (3.0m)12s
Evening (01 Sep)11ft (3.5m)14s

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


Short Range Forecast

Some drizzle, heaviest during Tue morning. Very mild (max 19°C on Thu afternoon, min 7°C on Tue morning). Wind will be generally light.

Tuesday
1
Wednesday
2
Thursday
3
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
1
3
!
!
!
5
5
5
6
5
5
3
4
4
4
3
3
3
2
2
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)
2.5
S
14
3
S
13
3
S
12
3
S
12
3
S
12
3.5
S
13
3.5
S
14
3.5
S
14
3
S
14
2.5
S
14
2.4
S
14
2.5
S
17
2.5
S
17
2.5
S
16
2.5
S
15
2.3
S
14
2.1
S
14
1.9
S
13
1.7
S
13
1.5
S
13
1.4
S
13
1.2
S
12
1.1
S
12
Wave Graph
Metric surfscale
Energy kJ
2484
2796
2744
2527
2785
3963
4392
4196
3500
2430
2073
4284
4137
3664
2689
2155
1723
1275
976
737
623
416
339
Wind (km/h)
20
SSW
20
SW
20
SW
15
SW
5
WSW
0
NW
10
N
10
NW
10
NW
10
NW
10
NNW
0
ESE
5
NE
5
N
10
W
10
NW
5
NW
15
NW
10
NW
10
NW
10
NW
10
NNW
15
NW
Wind State
on
on
cross-on
cross-on
cross-on
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
glassy
off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
8:29AM1.65m
8:52PM1.69m
9:13AM1.70m
9:40PM1.69m
9:59AM1.73m
Low Tide
2:20AM0.23m
2:37PM0.24m
3:05AM0.23m
3:28PM0.25m
3:52AM0.23m
4:20PM0.25m
light rain
light rain
rain showers
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:31
6:30
6:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:45
5:46
5:46
 mm
2
2
1
Temp °C
7
7
8
7
9
8
8
8
8
8
12
15
16
14
13
11
11
11
15
18
19
17
15
Feels °C
3
2
2
2
6
6
5
5
5
4
9
13
14
12
10
8
9
7
12
15
16
15
12
  • 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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