Blackhead Surf Break

Lat Long: 40.32° S 176.67° E

Blackhead 48 hour detailed Surf Forecast

Issued: 5 am 20 Sep 2026 (local time)

Forecast update in  hr  min

Today's Blackhead sea temperature is
12.0°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 (20 Sep):

  • Morning surf: Morning surf (20 Sep, local time) - 8ft (2.5m), 7s period with SSW swell.
  • Afternoon surf: Afternoon surf (20 Sep, local time) - 11ft (3.5m), 10s period with SSW swell.
  • Evening surf: Evening surf (20 Sep, local time) - 13ft (4.0m), 12s period with S swell.

The current surf forecast for Blackhead at 10AM is: 2.5m 7s primary swell from a South-southwest direction and 0.4m 11s secondary swell from a East-southeast direction, 0.4m 8s secondary swell from a Northeast direction (forecast issued at 05:00am September 20). The wind direction is predicted to be cross-offshore.

Time (NZST) & DateWave HeightWave Period
Morning (20 Sep)8ft (2.5m)7s
Afternoon (20 Sep)11ft (3.5m)10s
Evening (20 Sep)13ft (4.0m)12s

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


Short Range Forecast

Moderate rain (total 10mm), heaviest on Tue afternoon. Very mild (max 16°C on Mon afternoon, min 4°C on Sun night). Winds decreasing (strong winds from the WNW on Mon night, light winds from the W by Tue night).

Sunday
20
Monday
21
Tuesday
22
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
1
1
1
3
4
9
5
4
4
3
3
3
1
1
0
0
1
0
0
4
3
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)
0.8
SSW
13
0.8
SSW
12
2.5
SSW
7
3
SSW
8
3.5
SSW
10
4
SSW
10
4
S
12
5
SSW
13
3.5
S
14
3
S
13
2.5
S
12
2.1
S
11
1.8
S
11
1.6
S
10
1.5
S
10
1.3
S
13
1.2
S
12
1.1
S
12
0.9
S
11
1.3
SW
10
2
S
6
2.4
SSW
8
1.8
S
8
Wave Graph
Metric surfscale
Energy kJ
189
172
549
1271
2378
3198
4142
8380
4533
2840
1820
1114
750
541
467
538
411
327
188
322
314
661
450
Wind (km/h)
35
WNW
40
W
35
SW
35
SSW
35
SSW
30
SSW
25
SW
15
WSW
10
W
10
WNW
15
NW
20
WNW
20
WNW
20
WNW
20
WNW
30
WNW
40
WNW
40
WNW
30
W
25
SSW
30
SSW
10
WSW
5
W
Wind State
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
cross-off
cross-off
cross-off
off
off
cross-off
cross-off
off
off
off
cross-off
cross-off
off
off
High Tide
12:12PM1.33m
00:35AM1.24m
12:59PM1.31m
1:22AM1.22m
1:47PM1.31m
Low Tide
5:59AM0.31m
6:31PM0.32m
6:44AM0.32m
7:18PM0.33m
7:30AM0.32m
8:05PM0.33m
part cloud
clear
light rain
cloud
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
light rain
light rain
light rain
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:05
6:05
6:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:07
6:07
6:08
 mm
3
1
1
4
1
Temp °C
14
12
8
11
11
10
9
7
5
4
9
14
16
13
11
11
13
13
15
11
8
7
6
Feels °C
7
3
1
2
3
2
3
2
1
0
5
9
12
8
6
4
4
4
9
6
2
4
3
  • 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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