Blackhead Surf Break

Lat Long: 40.32° S 176.67° E

Blackhead 48 hour detailed Surf Forecast

Issued: 5 am 21 Sep 2026 (local time)

Forecast update in  hr  min

Today's Blackhead sea temperature is
12.1°C
1.3° 

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


How big are the waves at Blackhead today (21 Sep):

  • Morning surf: Morning surf (21 Sep, local time) - 8ft (2.4m), 12s period with S swell.
  • Afternoon surf: Afternoon surf (21 Sep, local time) - 6ft (1.8m), 10s period with S swell.
  • Evening surf: Evening surf (21 Sep, local time) - 4.5ft (1.4m), 10s period with S swell.

The current surf forecast for Blackhead at 10AM is: 2.3m 12s primary swell from a South direction and 0.2m 10s secondary swell from a East-southeast direction (forecast issued at 05:00am September 21). The wind direction is predicted to be cross-offshore.

Time (NZST) & DateWave HeightWave Period
Morning (21 Sep)8ft (2.4m)12s
Afternoon (21 Sep)6ft (1.8m)10s
Evening (21 Sep)4.5ft (1.4m)10s

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


Short Range Forecast

Light rain (total 9mm), mostly falling on Tue afternoon. Very mild (max 16°C on Mon afternoon, min 5°C on Wed night). Winds decreasing (strong winds from the WNW on Mon night, light winds from the WNW by Tue night).

Monday
21
Tuesday
22
Wednesday
23
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)
5
4
4
4
3
3
1
2
0
0
1
0
0
3
3
2
1
0
1
1
1
1
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)
3.5
S
13
3
S
13
2.4
S
12
2
S
11
1.8
S
10
1.6
S
10
1.4
S
10
1.3
S
12
1.2
S
12
1
S
12
0.9
S
12
0.8
S
10
0.3
SSW
17
2
S
7
1.8
S
8
1.6
S
8
1.3
S
8
1.6
SSW
8
2
S
7
2.2
S
8
2.1
S
8
2.2
S
8
2.2
S
8
Wave Graph
Metric surfscale
Energy kJ
3748
2530
1624
988
709
520
392
505
396
271
216
141
55
422
439
339
217
308
416
558
504
544
628
Wind (km/h)
10
W
10
NW
15
WNW
25
WNW
20
WNW
20
WNW
25
WNW
35
WNW
45
WNW
40
W
25
W
25
SSW
30
SSW
15
SW
10
WNW
25
W
30
W
30
SW
30
SSW
30
SSW
30
SSW
25
SSW
20
SSW
Wind State
off
cross-off
cross-off
off
off
off
cross-off
off
off
off
off
cross-off
cross-off
cross-off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
00:35AM1.24m
12:59PM1.31m
1:22AM1.22m
1:47PM1.31m
2:09AM1.22m
2:34PM1.32m
Low Tide
6:44AM0.32m
7:18PM0.33m
7:30AM0.32m
8:05PM0.33m
8:16AM0.31m
8:52PM0.31m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
light rain
light rain
light rain
clear
clear
clear
cloud
cloud
light rain
cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:05
6:03
6:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:07
6:08
6:09
 mm
2
5
1
1
Temp °C
6
5
10
15
16
13
12
12
13
13
15
11
7
7
6
7
9
9
9
10
10
9
8
Feels °C
2
1
6
10
12
8
7
4
4
5
10
6
1
3
3
1
2
2
1
2
2
2
2
  • 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 Blackhead 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.


Nearest locationNearest