Blacks Reef Surf Break

Lat Long: 39.07° S 177.80° E

Blacks Reef 48 hour detailed Surf Forecast

Issued: 5 pm 21 Sep 2026 (local time)

Forecast update in  hr  min

Today's Blacks Reef sea temperature is
13.6°C
0.4° 

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 (22 Sep):

  • Morning surf: Morning surf (22 Sep, local time) - 4ft (1.2m), 12s period with S swell.
  • Afternoon surf: Afternoon surf (22 Sep, local time) - 2.5ft (0.8m), 10s period with S swell.
  • Evening surf: Evening surf (22 Sep, local time) - 6ft (1.8m), 6s period with S swell.

The current surf forecast for Blacks Reef at 1AM is: 1.4m 10s primary swell from a South direction (forecast issued at 05:00pm September 21). An open ocean swell of 0.4m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (NZST) & DateWave HeightWave Period
Morning (22 Sep)4ft (1.2m)12s
Afternoon (22 Sep)2.5ft (0.8m)10s
Evening (22 Sep)6ft (1.8m)6s

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


Short Range Forecast

Moderate rain (total 16mm), heaviest on Tue night. Very mild (max 18°C on Tue afternoon, min 7°C on Wed night). Winds increasing (calm on Tue afternoon, fresh winds from the SSW by Wed morning).

Mon
21
Tuesday
22
Wednesday
23
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)
3
3
3
1
2
3
2
1
1
0
0
0
0
1
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.2
S
11
1.9
S
10
1.7
S
10
1.5
S
10
1.3
S
10
1.3
S
12
1.2
S
12
1.1
S
12
0.8
S
10
1.4
S
9
1.8
S
6
1.8
S
7
1.7
S
7
1.8
SSW
8
1.9
SSW
7
2.4
SSW
8
2.4
S
8
2.5
S
8
2.5
S
8
Wave Graph
Metric surfscale
Energy kJ
1233
766
578
441
333
480
389
322
120
304
255
302
290
394
394
611
670
737
860
Wind (km/h)
20
ENE
20
NE
10
NNW
10
WNW
10
NW
10
NNW
0
WSW
10
SE
0
WSW
30
SSW
20
SSW
20
WSW
15
WSW
15
WSW
30
SSW
30
SSW
30
SSW
30
SSW
30
SSW
Wind State
cross-off
off
cross-off
cross
cross-off
cross-off
glassy
cross-on
glassy
on
on
cross-on
cross-on
cross-on
on
on
on
on
on
High Tide
1:14PM1.49m
1:29AM1.38m
2:00PM1.46m
2:18AM1.35m
2:46PM1.45m
Low Tide
7:29PM0.44m
7:39AM0.44m
8:15PM0.41m
8:29AM0.42m
clear
clear
clear
clear
clear
clear
clear
clear
clear
light rain
light rain
rain showers
clear
clear
light rain
light rain
light rain
light rain
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:58
5:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:02
6:04
6:05
 mm
1
3
1
1
2
1
1
Temp °C
15
12
12
11
11
11
15
17
18
10
10
9
8
8
10
8
9
9
9
Feels °C
10
8
10
8
8
8
14
15
18
4
5
5
4
4
3
1
2
2
1
  • 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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