Catlins River Mouth Surf Break

Lat Long: 46.48° S 169.72° E

Catlins River Mouth 48 hour detailed Surf Forecast

Issued: 5 am 11 Aug 2026 (local time)

Forecast update in  hr  min

Today's Catlins River Mouth sea temperature is
10.7° C
1.6° 

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


How big are the waves at Catlins River Mouth today (11 Aug):

  • Morning surf: Morning surf (11 Aug, local time) - 2ft (0.6m), 18s period with SSW swell.
  • Afternoon surf: Afternoon surf (11 Aug, local time) - 2ft (0.6m), 16s period with SSW swell.
  • Evening surf: Evening surf (11 Aug, local time) - 5ft (1.5m), 7s period with ENE swell.

The current surf forecast for Catlins River Mouth at 11AM is: 0.6m 17s primary swell from a South-southwest direction and 1.2m 7s secondary swell from a East direction, 1.5m 6s secondary swell from a East-northeast direction (forecast issued at 05:00am August 11). The wind direction is predicted to be cross-offshore.

Time (NZST) & DateWave HeightWave Period
Morning (11 Aug)2ft (0.6m)18s
Afternoon (11 Aug)2ft (0.6m)16s
Evening (11 Aug)5ft (1.5m)7s

Table - waves today at Catlins River Mouth. (Swell directed towards the surf break)


Short Range Forecast

Light rain (total 2mm), mostly falling on Thu afternoon. Very mild (max 12°C on Thu morning, min 6°C on Tue morning). Winds decreasing (fresh winds from the NE on Wed morning, calm by Thu afternoon).

Tuesday
11
Wednesday
12
Thursday
13
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
9 PM
Rating
(10 max)
0
1
1
0
0
0
0
1
0
0
0
0
0
3
4
3
3
3
3
3
2
3
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
SSW
19
0.6
SSW
18
0.6
SSW
18
0.6
SSW
17
0.6
SSW
16
0.6
SSW
16
1.5
ENE
7
0.7
SSW
16
1.6
ENE
7
1.8
ENE
7
2
ENE
8
2.1
ENE
8
2.3
ENE
8
2.5
ENE
9
3
ENE
9
1.7
E
9
1.6
E
9
0.9
SSW
18
1.1
SSW
17
1.1
SSW
16
1.1
SSW
16
1.1
SSW
16
1.1
SSW
15
Wave Graph
Metric surfscale
Energy kJ
277
254
243
232
214
206
198
212
225
349
489
592
737
1044
1244
473
421
540
673
597
575
575
532
Wind (km/h)
20
NE
20
NE
20
NNE
20
NE
30
NE
30
NE
25
NE
25
NE
30
NNE
35
NE
35
NE
40
NE
30
NE
20
NE
10
N
10
NNW
10
NW
5
WNW
5
N
5
ESE
5
E
0
NNE
5
NNW
Wind State
cross
cross
cross-off
cross
cross
cross
cross
cross-off
cross-off
cross
cross
cross
cross
cross-off
cross-off
cross-off
off
glassy
glassy
glassy
cross-on
glassy
glassy
High Tide
1:08AM2.37m
1:42PM2.44m
2:03AM2.45m
2:35PM2.50m
2:53AM2.52m
3:24PM2.54m
Low Tide
7:27AM0.65m
7:57PM0.71m
8:21AM0.55m
8:46PM0.63m
9:10AM0.49m
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
cloud
part cloud
cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
rain showers
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:48
7:47
7:45
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:44
5:45
5:46
 mm
1
1
Temp °C
7
7
6
9
10
9
8
8
8
9
9
10
10
9
8
8
8
8
9
12
11
10
9
Feels °C
3
2
1
4
4
2
2
3
2
2
2
2
3
4
5
5
5
6
7
10
9
9
8
  • 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 

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