Cobden Breakwater Surf Break

Lat Long: 42.44° S 171.20° E

Cobden Breakwater Surf Forecast and Surf Report

Issued: 11 am 05 Aug 2026 (local time)

Forecast update in  hr  min

Today's Cobden Breakwater sea temperature is
11.8° C
0.5° 

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


Cobden Breakwater surf forecast from 5 Aug 2026:

  • Best quality surf: Sunday 9 Aug, 6AM (local time) - 11ft (3.5m), 10s period, NNW swell with cross-offshore winds.
  • Most powerful swell: Sunday 9 Aug, 9AM (local time) - 15ft (4.5m), 10s period, NNW swell with 3,437 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 5 Aug, 6PM (local time) - 2.5ft (0.7m), 12s period with WSW swell.

Best Forecast Surf Conditions for Cobden Breakwater this week:

The surf forecast for Cobden Breakwater over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Aug 05) at 6PM. The primary swell is predicted to be 0.7m and 12s period with a secondary swell of 0.3m and 15s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Cobden Breakwater in the next 16 days are 4.5m 10s and forecast to arrive on Sunday (Aug 09) at 9AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.4m 9s period and expected on Wednesday (Aug 12) at 9AM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+) 6PM (Wed 5th Aug)2.5ft (0.7m) 12s
Best Surf 6AM (Sun 9th Aug)11ft (3.5m) 10s
Most Powerful 9AM (Sun 9th Aug)15ft (4.5m) 10s

Table - best surf conditions forecast for Cobden Breakwater over the next 16 days.


The Lowdown

Alright, cobber, Rusty here. Let’s have a look at what the next couple of weeks are serving up for Cobden Breakwater.

Right off the bat, the first couple of days are a bit of a nothing-show. We’ve got small, weak swell on Wednesday and Thursday, nothing that’s going to get you out of bed. The energy is weak (341, 249, 118) and the waves are just too small to be any real fun. You’re better off sorting your gear or checking the tide charts. It’s a flat spell to start, so we’re looking at a couple of days of patience before things start to move.

Then Friday morning things start to wake up. The swell fills in to a solid 5.6ft with a clean offshore breeze, and the energy jumps into the moderate range (587). That’s a proper sign of life. It’s a bit on the bigger side for the beginners, but for the everyday surfer, this is looking like a good one. The swell direction is from the NW, which is a bit off the optimum, but the clean conditions are going to make it work.

Friday afternoon is where it really turns on. The swell pushes up to 7.5ft and the energy is strong (1049). Offshore wind holds, and the note says it’s excellent for experienced surfers. This is a standout. The period is a touch short at 10 seconds, so it might not have that real groundswell push, but there’s plenty of power in it. This is the one to circle on the calendar.

Saturday keeps the fun going. The swell stays well overhead at 6.6ft to 6.9ft with a moderate offshore breeze. The period drops to 8 seconds, which is short-period windswell, so it’s going to be a bit more crumbly and softer. Still, it’s clean and there are waves to be had. The energy is strong (668, 838), so there’s plenty of push.

Now, Sunday morning is a big one, but not for the right reasons for most. The swell is forecast to be a massive 14.8ft, with the energy going through the roof (3838). That’s way oversize for this break. The comment says it’s too big, and they’re right. This is only for the most insane chargers, and even then, it’s likely to be a washing machine. The afternoon backs off to 7.2ft but the wind switches onshore, making it a messy, marginal session. That morning is experts-only, and honestly, I’d be watching from the shore.

Monday brings a welcome reset. The swell drops back to a clean 3.3ft, but the period jumps to 15 seconds. That’s a long-period groundswell, and it’s going to have some real push to it. The energy is moderate (656, 602). With light offshore and cross-off winds, it’s going to be glassy and clean. This is a quality day for the log or the fish. The long period might make it a bit straight at a beach break, but this is a breakwater, so it should be alright.

Tuesday is smaller again at 1.6ft, but that long period is still there (20 seconds!). It’s weak energy (370, 250), so it’s going to be fat and slow. A fun day for a longboard if you’re desperate, but not a day to get excited about.

Wednesday is a write-off. The wind is up and onshore, and the sea is going to be a mess. The morning is poor, and the afternoon brings a big 9.8ft of onshore slop. That’s a kite-surfing day, not a paddle-surfing day. The energy is strong (2810), but it’s all going to be blown out chop.

Thursday sees the wind swing back offshore, and the swell drops to a more manageable 6.2ft. The energy is strong (996). The morning is looking clean and very good. The period is a modest 11 seconds, but it should still have some shape. Another good option.

And then we get to the second week, and this is where things get real interesting.

Friday the 14th, a week and a half out, is a standout. Morning has clean 5.2ft swell from the W

Short Range Forecast

Light rain (total 5mm), mostly falling on Fri night. Mild temperatures (max 9°C on Fri night, min 3°C on Wed morning). Wind will be generally light.

Days 4-6 Weather Summary

Heavy rain (total 52mm), heaviest during Sat night. Very mild (max 12°C on Mon afternoon, min 8°C on Sat night). Wind will be generally light.

Wednesday
5
Thursday
6
Friday
7
Saturday
8
Sunday
9
Monday
10
Tuesday
11
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
1
1
1
0
1
3
4
3
3
3
3
!
3
4
3
3
2
2
2
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
WSW
13
0.8
WSW
12
0.6
WSW
12
0.5
WSW
13
0.4
WSW
12
0.3
WSW
12
1.7
NW
10
2.3
NW
10
1.9
NW
9
2
NNW
8
2.1
NNW
8
2
NNW
8
4.5
NNW
10
1.8
NNW
10
1
W
16
1
W
15
1
W
14
0.9
WSW
13
0.5
W
20
0.5
W
18
0.7
W
17
Wave Graph
Metric surfscale
Energy kJ
294
198
106
99
49
28
569
1024
586
547
569
523
3437
639
516
435
423
295
194
165
280
Wind (km/h)
10
ESE
5
W
10
ESE
10
E
5
NW
10
E
15
E
15
E
10
E
15
E
20
ENE
5
NE
10
ESE
5
WNW
0
NNE
10
ENE
10
N
10
E
15
E
15
NNE
25
NE
Wind State
cross-off
on
cross-off
off
cross-on
cross-off
off
off
off
off
off
glassy
cross-off
cross-on
glassy
off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
3:01PM2.93m
3:26AM2.95m
3:58PM2.83m
4:32AM2.86m
5:08PM2.77m
5:48AM2.82m
6:28PM2.79m
7:05AM2.87m
7:43PM2.92m
8:17AM2.99m
8:48PM3.11m
9:19AM3.15m
9:44PM3.30m
Low Tide
9:13PM1.01m
9:45AM1.02m
10:14PM1.10m
10:49AM1.11m
11:28PM1.15m
12:06PM1.16m
00:48AM1.10m
1:25PM1.10m
2:02AM0.96m
2:35PM0.95m
3:04AM0.76m
3:33PM0.76m
clear
clear
clear
clear
clear
part cloud
light rain
light rain
light rain
heavy rain
heavy rain
heavy rain
part cloud
rain showers
rain showers
part cloud
part cloud
cloud
cloud
light rain
heavy rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:41
7:39
7:39
7:37
7:35
7:35
7:33
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:40
5:42
5:43
5:44
5:45
5:45
5:46
 mm
2
1
2
11
14
23
2
2
2
30
Temp °C
7
8
5
7
8
7
6
8
9
9
10
11
11
11
10
11
12
10
11
13
14
Feels °C
4
5
2
4
5
1
1
4
6
6
6
7
10
9
9
9
10
9
7
10
9
  • Map Icons:
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  • 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 Cobden Breakwater Surf forecast

The above surf forecast table for Cobden Breakwater provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Cobden Breakwater can be found by selecting the local surf guide option on the grey menu. Our Cobden Breakwater 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 (Cobden Breakwater) 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 Cobden Breakwater 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.

Cobden Breakwater is 172 km (107 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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