Nine Mile surf break

Nine Mile surfForecast / West Coast South Island / New Zealand

information circle12 Day Weather and Surf, issued 6 pm Monday 05 Jan 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
17.7° 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 Tuesday (Jan 06) at 1AM. The primary swell is predicted to be 0.6m and 13s period with a secondary swell of 0.3m and 16s. 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 2.3m 13s and forecast to arrive on Monday (Jan 12) at 10PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 12s period and expected on Sunday (Jan 11) at 7PM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+) 1AM (Tue 6th Jan)2ft (0.6m) 13s
Best Surf10PM (Sun 11th Jan)10ft (3.0m) 10s
Most Powerful10PM (Mon 12th Jan)7.5ft (2.3m) 13s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Very mild (max 19°C on Thu morning, min 13°C on Tue night). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 43mm), heaviest during Sun morning. Very mild (max 18°C on Thu afternoon, min 14°C on Fri night). Winds increasing (calm on Thu night, fresh winds from the N by Sun morning).

Mon
05
Tuesday
06
Wednesday
07
Thursday
08
Friday
09
Saturday
10
Sunday
11
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
1
0
0
0
1
0
1
0
0
2
1
1
3
1
1
1
0
3
1
2
Swell
Height Map
Wave Height (m) & direction (?)
0.5
WSW
0.6
WSW
0.6
WSW
0.6
WSW
0.6
WSW
0.6
WSW
0.6
WSW
0.7
WSW
0.7
WSW
0.8
WSW
1
W
0.9
WSW
1
W
1.4
W
1
W
1.7
W
2
W
2.1
WNW
2.5
WNW
2.5
WNW
2.4
WNW
Period(s) (?)1413131212111211101010131312159101091110
Wave
Graph
(?)Metric surfscale
Energy kJ (?)11313513111311197109123112136208286345535453442755901111816611108
Wind
(km/h)
15
W
5
SSW
5
WSW
15
W
10
SSW
5
SW
10
WSW
5
SE
5
W
15
WSW
0
ENE
20
N
10
W
10
ESE
20
N
15
NW
20
NNW
35
N
15
S
15
SW
15
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
onglassononcrossglasscross-
on
glassoncross-
on
glasscross-
off
oncross-
off
crosscross-
on
crosscrosscrosscross-
on
cross-
on
High Tide
/ height (m)
1:28AM
2.80
1:47PM
2.92
2:15AM
2.72
2:33PM
2.81
3:00AM
2.60
3:19PM
2.66
3:46AM
2.46
4:06PM
2.49
4:34AM
2.33
4:55PM
2.32
5:25AM
2.21
5:49PM
2.19
6:22AM
2.13
Low Tide
/ height (m)
7:35AM
0.12
8:05PM
0.04
8:22AM
0.19
8:51PM
0.16
9:08AM
0.31
9:37PM
0.30
9:54AM
0.45
10:23PM
0.47
10:43AM
0.60
11:12PM
0.62
11:36AM
0.73
12:06AM
0.75
12:35PM
0.82
Mon
05
Tuesday
06
Wednesday
07
Thursday
08
Friday
09
Saturday
10
Sunday
11
Sunrise--6:05--6:05--6:07--6:07--6:09--6:09--6:11
Sunset9:14--9:14--9:14--9:14--9:14--9:13--9:13--
part cloud
part cloud
part cloud
clear
clear
cloud
part cloud
part cloud
clear
part cloud
light rain
light rain
rain showers
rain showers
mod rain
light rain
rain showers
heavy rain
heavy rain
rain showers
part cloud
Rain (mm)
----------341184517193-
Temp. °C171516171516171619181617181618181818131415
Feels °C (?)161516151416161718161618191618181713111310
  • 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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