Nine Mile Surf Break

Lat Long: 42.34° S 171.26° E

Nine Mile 48 hour detailed Surf Forecast

Issued: 11 am 18 Aug 2026 (local time)

Forecast update in  hr  min

Today's Nine Mile sea temperature is
12.8° C
0.5° 

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


How big are the waves at Nine Mile today (18 Aug):

  • Morning surf: Morning surf (18 Aug, local time) - 5ft (1.5m), 11s period with W swell.
  • Afternoon surf: Afternoon surf (18 Aug, local time) - 4.5ft (1.4m), 10s period with W swell.
  • Evening surf: Evening surf (18 Aug, local time) - 5ft (1.5m), 10s period with W swell.

The current surf forecast for Nine Mile at 3PM is: 1.4m 10s primary swell from a West direction and 0.8m 14s secondary swell from a West-southwest direction (forecast issued at 11:00am August 18). The wind direction is predicted to be cross-onshore.

Time (NZST) & DateWave HeightWave Period
Morning (18 Aug)5ft (1.5m)11s
Afternoon (18 Aug)4.5ft (1.4m)10s
Evening (18 Aug)5ft (1.5m)10s

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


Short Range Forecast

Mostly dry. Very mild (max 11°C on Tue afternoon, min 7°C on Tue morning). Wind will be generally light.

Tue
18
Wednesday
19
Thursday
20
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)
3
3
2
3
3
3
4
4
3
4
2
3
3
3
3
3
3
3
2
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.5
W
11
1.5
W
10
1.4
W
10
1.5
W
10
1.5
W
10
1.4
WSW
10
1.1
WSW
16
1.2
WSW
16
1.2
WSW
16
1.3
WSW
16
1.3
WSW
15
1.2
WSW
15
1.2
WSW
15
1.4
WSW
14
1.3
WSW
14
1.3
WSW
14
1.2
WSW
14
1.2
WSW
14
1.1
WSW
14
1.1
WSW
14
1.1
WSW
13
Wave Graph
Metric surfscale
Energy kJ
533
496
424
496
487
394
686
758
739
839
796
657
639
845
724
714
605
596
485
465
458
Wind (km/h)
10
ESE
5
SSW
10
SW
10
SSE
15
ESE
15
ESE
15
E
10
E
10
E
5
N
10
NW
5
NNE
5
E
10
E
10
E
10
E
5
E
5
NW
5
WNW
0
N
5
E
Wind State
cross-off
glassy
cross-on
cross-off
off
off
off
off
off
glassy
cross-on
glassy
off
off
off
off
off
glassy
glassy
glassy
off
High Tide
2:29PM2.48m
2:50AM2.40m
3:14PM2.31m
3:39AM2.21m
4:06PM2.17m
Low Tide
8:21AM0.38m
8:42PM0.48m
9:04AM0.58m
9:29PM0.67m
9:53AM0.76m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:22
7:22
7:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:53
5:54
5:55
 mm
Temp °C
7
10
11
10
10
8
8
7
8
11
11
10
9
9
8
8
8
11
11
10
9
Feels °C
4
8
8
7
6
3
4
3
4
9
8
8
6
6
5
5
6
10
9
9
7
  • 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 Nine Mile 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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