Nine Mile surf break

Nine Mile surfForecast / West Coast South Island / New Zealand

information circle12 Day Weather and Surf, issued 6 am Monday 23 Feb 2026 NZDT
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
18.3° C
(Which is slightly warmer than usual)


Best Forecast Surf Conditions for Nine Mile this week:

The surf forecast for Nine Mile over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Feb 23) at 7PM. The primary swell is predicted to be 1.3m and 12s period with a secondary swell of 0.1m and 8s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Nine Mile in the next 12 days are 1.6m 16s and forecast to arrive on Wednesday (Feb 25) at 4PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 5s period and expected on Monday (Mar 02) at 1PM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+) 7PM (Mon 23rd Feb)4.5ft (1.3m) 12s
Best Surf 7PM (Wed 25th Feb)5ft (1.6m) 15s
Most Powerful 4PM (Wed 25th Feb)5ft (1.6m) 16s

Table - best surf conditions forecast for Nine Mile over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Some drizzle, heaviest during Wed night. Warm (max 20°C on Wed morning, min 13°C on Mon night). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 23mm), heaviest during Thu afternoon. Very mild (max 17°C on Thu afternoon, min 11°C on Sat night). Wind will be generally light.

Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
01
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
3
2
2
2
1
3
3
2
3
2
2
2
3
1
3
3
1
2
2
0
3
Swell
Height Map
Wave Height (m) & direction (?)
1.6
W
1.4
WSW
1
W
0.9
W
1.3
W
1.2
WNW
1
W
1.6
W
1.4
WSW
1.2
WSW
1.2
WSW
1.1
WSW
1.6
W
1.6
W
1
WSW
1.1
WSW
1.5
WSW
0.8
WSW
1.7
W
1.5
W
1.8
WSW
Period(s) (?)1212121110916161514141399121313139810
Wave
Graph
(?)Metric surfscale
Energy kJ (?)7865692701983062325421281857613563444441422329458724212432331680
Wind
(km/h)
5
NNE
10
WNW
5
E
5
ENE
10
WNW
10
ENE
5
SE
10
W
5
ENE
20
NNE
15
NNW
5
W
5
WSW
15
W
5
ENE
5
ENE
10
W
5
SSE
5
SE
20
SW
15
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassonglassglasscross-
on
cross-
off
glassoncross-
off
cross-
off
crossonglassoncross-
off
glassoncross-
off
glasscross-
on
off
High Tide
/ height (m)
3:48PM
2.58
4:16AM
2.48
4:48PM
2.41
5:20AM
2.35
6:02PM
2.27
6:39AM
2.28
7:28PM
2.24
8:02AM
2.33
8:46PM
2.33
9:13AM
2.47
9:49PM
2.47
10:10AM
2.64
10:41PM
2.61
Low Tide
/ height (m)
10:04PM
0.41
10:33AM
0.47
11:05PM
0.58
11:41AM
0.60
12:18AM
0.70
1:03PM
0.65
1:40AM
0.71
2:23PM
0.57
2:54AM
0.61
3:31PM
0.42
3:55AM
0.45
4:27PM
0.25
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
01
Sunrise7:05--7:07--7:07--7:09--7:11--7:11--7:13--
Sunset-8:29--8:28--8:25--8:24--8:22--8:22--8:20-
part cloud
clear
part cloud
part cloud
clear
clear
clear
part cloud
light rain
rain showers
heavy rain
rain showers
part cloud
clear
clear
clear
clear
clear
clear
part cloud
clear
Rain (mm)
--------110121---------
Temp. °C161614191917201916161716161613161613181713
Feels °C (?)14141418191719181614161513131214141215148
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Nine Mile Surf forecast

The above surf forecast table for Nine Mile provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Nine Mile can be found by selecting the local surf guide option on the grey menu. Our Nine Mile surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Nine Mile) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Nine Mile may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Nine Mile is 177 km (110 miles) from the city of Christchurch. If you plan a holiday in West Coast South Island, look for hotels and other accommodation in Christchurch. Christchurch has rooms for a wide range of budgets as well as car hire and transport links.

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