Blackhead Surf Break

Lat Long: 40.32° S 176.67° E

Blackhead 48 hour detailed Surf Forecast

Issued: 11 pm 17 Sep 2026 (local time)

Forecast update in  hr  min

Today's Blackhead sea temperature is
12.1°C
1.2° 

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 (18 Sep):

  • Morning surf: Morning surf (18 Sep, local time) - 3ft (0.9m), 12s period with ESE swell.
  • Afternoon surf: Afternoon surf (18 Sep, local time) - 3ft (0.9m), 12s period with SE swell.
  • Evening surf: Evening surf (18 Sep, local time) - 2ft (0.6m), 13s period with ESE swell.

The current surf forecast for Blackhead at 4AM is: 0.9m 13s primary swell from a East-southeast direction and 0.3m 15s secondary swell from a South-southwest direction (forecast issued at 11:00pm September 17). The wind direction is predicted to be glassy and the swell rating is 2.

Time (NZST) & DateWave HeightWave Period
Morning (18 Sep)3ft (0.9m)12s
Afternoon (18 Sep)3ft (0.9m)12s
Evening (18 Sep)2ft (0.6m)13s

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


Short Range Forecast

Light rain (total 7mm), mostly falling on Sun morning. Very mild (max 16°C on Sat morning, min 8°C on Sat night). Winds increasing (calm on Thu night, strong winds from the WNW by Sat night).

Friday
18
Saturday
19
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
2
2
2
2
0
0
2
2
2
3
3
4
3
2
1
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
ESE
9
0.6
ESE
14
0.9
ESE
13
0.9
ESE
13
0.9
ESE
12
1
SE
12
0.9
SE
12
0.9
SE
11
0.6
ESE
13
0.7
SSW
16
0.8
SSW
15
0.8
SSW
15
1.2
SSW
17
1.2
SSW
16
1.2
SSW
15
1
SSW
14
0.9
SSW
14
Wave Graph
Metric surfscale
Energy kJ
55
131
304
290
255
278
220
179
119
250
296
246
837
739
588
443
346
Wind (km/h)
5
NNW
5
W
5
W
5
NW
5
N
10
ENE
20
N
5
NNW
10
W
15
SW
15
SW
10
WSW
15
W
10
WNW
30
WNW
35
W
40
WNW
Wind State
glassy
glassy
glassy
glassy
glassy
cross-on
cross
glassy
off
cross-off
cross-off
cross-off
off
off
off
off
off
High Tide
10:15PM1.34m
10:38AM1.38m
11:02PM1.30m
11:25AM1.35m
Low Tide
4:28AM0.24m
4:58PM0.26m
5:13AM0.28m
5:45PM0.29m
cloud
part cloud
part cloud
part cloud
clear
clear
cloud
cloud
part cloud
cloud
cloud
part cloud
clear
clear
part cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:09
6:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:05
6:06
 mm
Temp °C
12
11
10
9
12
15
15
14
12
12
11
12
13
16
15
15
14
Feels °C
10
9
8
7
10
12
12
14
10
10
8
10
10
13
9
8
6
  • 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.


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