Nine Mile surf break

Nine Mile surfForecast / West Coast South Island / New Zealand

information circle48hr Weather and Surf, issued 11 pm Tuesday 12 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 3AM is: 1.6m 10s primary swell from a West direction and 0.5m 14s secondary swell from a West-southwest direction (forecast issued at 11:00pm May 12). The wind direction is predicted to be offshore 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
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
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
Rating
(10 max)
2
3
3
3
3
3
3
3
3
3
3
3
3
2
0
1
2
2
2
2
2
2
1
1
Swell
Height Map
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.5
W
9
1.6
W
10
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
1.2
WSW
17
1.1
WSW
16
1.1
WSW
16
1
WSW
16
1
WSW
15
1
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
Wave Graph
Metric surfscale
Energy kJ
340
479
479
432
322
307
391
371
322
540
867
653
636
527
494
456
366
361
356
326
253
249
249
246
Wind (km/h)
5
ESE
10
E
10
E
10
ESE
10
E
0
NE
5
NNW
0
ENE
5
ESE
10
ESE
10
ESE
10
ESE
5
ESE
5
SSW
10
SW
5
SSW
5
SE
5
ESE
5
ESE
10
ESE
5
ESE
5
SSW
10
SW
5
S
glassy
off
off
off
off
glassy
glassy
glassy
glassy
off
off
cross-off
cross-off
cross-on
cross-on
cross
cross-off
cross-off
off
off
off
glassy
cross-on
cross
High Tide
7:07PM2.31m
7:27AM2.46m
7:59PM2.48m
8:18AM2.63m
8:47PM2.65m
9:08AM2.78m
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
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:24
5:23
5:22
Temp °C
11
10
10
10
11
13
14
14
13
12
11
10
11
12
13
11
11
10
10
9
10
12
12
11
10
8
8
7
8
12
13
14
12
10
9
8
9
10
11
9
10
8
8
7
8
11
10
10
Swell 1
Height (m)
Direction
Period (s)
1.5
W
9
1.6
W
10
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
0.9
WSW
10
1.2
WSW
17
1.1
WSW
16
1.1
WSW
16
1
WSW
16
1
WSW
15
1
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
Energy kJ
340
479
479
432
322
267
231
188
192
167
867
653
636
527
494
456
366
361
356
326
253
249
249
246
Swell 2
Height (m)
Direction
Period (s)
0.6
WSW
13
0.6
WSW
14
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
0.1
W
22
0.1
N
10
0.1
N
10
0.1
N
10
0.1
N
10
0.1
W
26
Energy kJ
135
147
113
116
143
137
391
371
322
540
9
2
2
2
2
13
Swell 3
Height (m)
Direction
Period (s)
0.1
W
26
0.2
W
25
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
Energy kJ
13
50
184
161
233
307
141
141
96
Wind waves
Height (m)
Direction
Period (s)
Energy kJ
Nearest Offshore or Glassy
Rating
(10 max)
2
3
3
3
3
3
3
3
3
3
3
3
3
3
2
2
2
2
2
2
2
2
2
2
Distance (km)
0
0
0
0
0
0
0
0
0
0
0
0
0
5
5
5
0
0
0
0
0
0
36
4
Best forecast wave conditions in West Coast South Island
Rating
(10 max)
3
3
4
4
4
4
3
4
4
4
4
4
3
3
3
3
3
3
3
2
2
2
2
2
Best forecast wave conditions in New Zealand
Rating
(10 max)
4
8
8
9
9
9
4
8
8
8
7
6
5
4
4
4
4
4
4
4
4
4
4
4
Header Global
Rating
(10 max)
9
8
9
9
9
9
9
8
8
8
7
9
9
9
9
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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