Nine Mile surf break

Nine Mile surfForecast / West Coast South Island / New Zealand

information circle48hr Weather and Surf, issued 5 am Wednesday 13 May 2026 NZST
Forecast update in hr  min  s Forecast update imminent
Nine Mile surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Nine Mile sea temperature is
15.0° C
(Which is slightly warmer than usual)

How big are the waves at Nine Mile today?

The current surf forecast for Nine Mile at 12PM is: 0.6m 20s primary swell from a West-southwest direction and 1.2m 10s secondary swell from a West direction, 0.6m 13s secondary swell from a West-southwest direction (forecast issued at 05:00am May 13). The wind direction is predicted to be glassy and the swell rating is 3.

Time (NZST) & DateWave HeightWave Period
Morning (13 May)4.5ft (1.3m)10s
Afternoon (13 May)2.5ft (0.7m)19s
Evening (13 May)2.5ft (0.7m)18s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 14°C on Wed afternoon, min 9°C on Thu night). Wind will be generally light.

Wednesday
13
Thursday
14
Friday
15
Sat
16
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
12 AM
Rating
(10 max)
3
3
3
3
2
3
3
3
3
3
3
2
0
1
2
2
2
2
2
2
1
1
2
2
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.6
W
10
1.5
W
10
1.3
WSW
10
1.2
W
10
0.7
WSW
19
0.7
WSW
19
0.7
WSW
18
0.9
WSW
18
0.9
WSW
17
1.1
WSW
16
1.1
WSW
16
1
WSW
16
1
WSW
15
0.9
WSW
15
0.9
WSW
14
0.9
WSW
14
0.9
WSW
14
0.9
WSW
14
0.9
WSW
13
0.9
WSW
13
0.9
WSW
13
0.9
WSW
13
0.9
WSW
13
0.8
WSW
12
Wave Graph
Metric surfscale
Energy kJ
479
432
322
307
391
371
322
540
414
653
636
527
494
376
366
361
356
326
253
249
249
249
242
205
Wind (km/h)
10
E
10
E
10
E
0
NE
5
NNW
5
NE
5
E
10
ESE
10
ESE
10
ESE
10
ESE
5
SSW
10
SW
10
SSW
5
SE
5
ESE
5
ESE
5
ESE
5
ESE
0
SW
5
SW
5
S
5
SE
5
ESE
off
off
off
glassy
cross
cross-off
glassy
off
off
cross-off
cross-off
cross
cross-on
cross
cross-off
cross-off
off
off
off
glassy
cross-on
cross
cross-off
off
High Tide
7:27AM2.46m
7:59PM2.48m
8:18AM2.63m
8:47PM2.65m
9:08AM2.78m
9:34PM2.80m
Low Tide
1:13AM0.58m
1:43PM0.39m
2:05AM0.41m
2:33PM0.24m
2:55AM0.24m
3:22PM0.12m
clear
clear
clear
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>
7:35
7:37
7:37
7:39
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:24
5:23
5:22
5:22
Temp °C
10
9
10
13
14
13
13
12
11
11
11
13
12
11
11
10
10
9
10
12
12
11
10
10
8
6
7
12
13
12
12
10
9
9
9
11
10
9
10
8
8
7
8
11
11
10
9
8
Swell 1
Height (m)
Direction
Period (s)
1.6
W
10
1.5
W
10
1.3
WSW
10
1.2
W
10
1.1
W
10
1
W
10
1
W
10
1
W
10
0.9
WSW
10
1.1
WSW
16
1.1
WSW
16
1
WSW
16
1
WSW
15
0.9
WSW
15
0.9
WSW
14
0.9
WSW
14
0.9
WSW
14
0.9
WSW
14
0.9
WSW
13
0.9
WSW
13
0.9
WSW
13
0.9
WSW
13
0.9
WSW
13
0.8
WSW
12
Energy kJ
479
432
322
267
231
192
204
194
170
653
636
527
494
376
366
361
356
326
253
249
249
249
242
205
Swell 2
Height (m)
Direction
Period (s)
0.5
WSW
14
0.5
WSW
14
0.6
WSW
14
0.6
WSW
13
0.7
WSW
19
0.7
WSW
19
0.7
WSW
18
0.9
WSW
18
0.9
WSW
17
0.1
N
10
0.1
N
10
0.1
N
10
0.1
W
26
0.1
W
24
0.3
WSW
15
Energy kJ
113
110
143
137
391
371
322
540
414
2
2
2
13
11
44
Swell 3
Height (m)
Direction
Period (s)
0.4
WSW
24
0.4
WSW
22
0.5
W
21
0.6
WSW
20
0.6
WSW
13
0.6
WSW
13
0.5
WSW
13
0.2
N
4
0.3
W
24
Energy kJ
184
161
233
307
141
139
99
1
97
Wind waves
Height (m)
Direction
Period (s)
Energy kJ
Nearest Offshore or Glassy
Rating
(10 max)
3
3
3
3
3
3
3
3
3
3
3
2
3
2
2
2
2
2
2
2
2
2
2
2
Distance (km)
0
0
0
0
4
0
0
0
0
0
0
5
73
4
0
0
0
0
0
0
36
4
0
0
Best forecast wave conditions in West Coast South Island
Rating
(10 max)
4
4
4
4
4
4
4
4
4
4
3
3
3
3
3
3
3
2
2
2
2
2
2
2
Best forecast wave conditions in New Zealand
Rating
(10 max)
8
9
9
9
9
8
9
7
7
6
5
5
4
4
4
4
4
4
4
4
4
4
4
4
Header Global
Rating
(10 max)
8
9
9
9
9
9
9
8
7
9
9
9
9
8
5
5
5
5
5
5
5
5
5
5
  • 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

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