Catlins River Mouth Surf Break

Lat Long: 46.48° S 169.72° E

Catlins River Mouth Surf Forecast and Surf Report

Issued: 5 pm 07 Aug 2026 (local time)

Forecast update in  hr  min

Today's Catlins River Mouth sea temperature is
10.8° C
1.7° 

Catlins River Mouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Catlins River Mouth surf forecast from 7 Aug 2026:

  • Best quality surf: Thursday 13 Aug, 12AM (local time) - 4.5ft (1.3m), 10s period, ENE swell with cross-offshore winds.
  • Most powerful swell: Thursday 13 Aug, 3PM (local time) - 4.5ft (1.3m), 17s period, SSW swell with 939 kJ wave energy.
  • Next surfable swell (1★+): Saturday 8 Aug, 12AM (local time) - 3.5ft (1.0m), 10s period with S swell.

Best Forecast Surf Conditions for Catlins River Mouth this week:

The surf forecast for Catlins River Mouth over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Aug 08) at 12AM. The primary swell is predicted to be 1.0m and 10s period with a secondary swell of 0.5m and 16s. Another secondary swell of 0.4m and 4s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Catlins River Mouth in the next 16 days are 1.3m 17s and forecast to arrive on Thursday (Aug 13) at 3PM. Winds are predicted to be cross-shore at the time the swell arrives.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+)12AM (Sat 8th Aug)3.5ft (1.0m) 10s
Best Surf12AM (Thu 13th Aug)4.5ft (1.3m) 10s
Most Powerful 3PM (Thu 13th Aug)4.5ft (1.3m) 17s

Table - best surf conditions forecast for Catlins River Mouth over the next 16 days.


Short Range Forecast

Heavy rain (total 23mm), heaviest during Sun morning. Mild temperatures (max 9°C on Sat night, min 6°C on Sat morning). Winds increasing (calm on Fri afternoon, fresh winds from the ENE by Sat night).

Days 5-7 Weather Summary

Mostly dry. Very mild (max 16°C on Wed afternoon, min 6°C on Tue morning). Wind will be generally light.

Fri
7
Saturday
8
Sunday
9
Monday
10
Tuesday
11
Wednesday
12
Thursday
13
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
2
2
0
0
0
0
0
1
1
0
2
0
2
2
2
3
3
2
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1
S
10
1
S
10
0.6
S
17
0.8
SSW
15
0.5
SSW
18
0.8
SSW
16
1
SSW
16
0.9
SSW
15
0.8
SSW
14
0.7
SW
14
0.5
S
19
0.6
SSW
18
0.6
SSW
16
1.5
ENE
6
1.4
E
8
1.5
E
9
1.3
ENE
10
1
SSW
18
1.3
SSW
17
1.1
SSW
16
Wave Graph
Metric surfscale
Energy kJ
196
179
220
256
178
310
487
344
264
189
190
246
214
175
223
332
315
708
939
597
Wind (km/h)
10
NNE
5
NNW
10
NNE
20
ENE
30
ENE
30
ENE
15
ENE
10
SE
5
ESE
10
ENE
20
NE
15
NNE
15
NE
15
NNE
15
NNW
10
NW
5
N
10
N
10
ENE
0
ENE
Wind State
cross-off
cross-off
cross-off
cross
cross
cross-on
cross-on
on
on
cross
cross
cross-off
cross
cross-off
off
off
cross-off
cross-off
cross
glassy
High Tide
9:55PM2.19m
10:36AM2.25m
11:04PM2.22m
11:42AM2.30m
00:08AM2.28m
12:45PM2.37m
1:08AM2.37m
1:42PM2.44m
2:03AM2.45m
2:35PM2.50m
2:53AM2.52m
3:24PM2.54m
Low Tide
3:41PM1.03m
4:15AM0.96m
4:50PM1.01m
5:23AM0.89m
6:00PM0.94m
6:28AM0.78m
7:03PM0.83m
7:27AM0.65m
7:57PM0.71m
8:21AM0.55m
8:46PM0.63m
9:10AM0.49m
9:33PM0.59m
cloud
part cloud
part cloud
cloud
light rain
mod rain
mod rain
light rain
light rain
part cloud
part cloud
cloud
cloud
part cloud
clear
clear
clear
part cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:52
7:50
7:50
7:48
7:47
7:45
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:38
5:40
5:42
5:43
5:44
5:45
5:46
 mm
3
7
7
5
1
Temp °C
8
8
8
8
9
8
9
8
8
9
9
8
10
8
14
16
11
11
10
8
Feels °C
5
4
4
3
3
2
5
4
6
6
5
4
6
4
11
13
10
9
7
6
  • 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
How to use the Wavefinder 
submit an eyeball surf report

Quick surf report for Catlins River Mouth:

join our community of surf reporters

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Catlins River Mouth surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


Information about the Catlins River Mouth Surf forecast

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

Catlins River Mouth is 91 km (57 miles) from Dunedin. If you plan a holiday in Catlins, look for hotels and other accommodation in Dunedin. Dunedin has rooms for a wide range of budgets as well as car hire and transport links.

Nearest locationNearest