Catlins River Mouth Surf Break

Lat Long: 46.48° S 169.72° E

Catlins River Mouth 48 hour detailed Surf Forecast

Issued: 11 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 6PM is: 0.6m 16s primary swell from a South-southwest direction and 0.3m 11s secondary swell from a Southeast direction, 1.6m 6s secondary swell from a East-northeast direction (forecast issued at 11:00am August 11). The wind direction is predicted to be cross-shore.

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

Mostly dry. Very mild (max 11°C on Wed afternoon, min 6°C on Tue morning). Winds decreasing (strong winds from the NE on Wed morning, calm by Thu morning).

Tue
11
Wednesday
12
Thursday
13
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)
1
0
0
0
0
0
0
0
0
0
0
2
3
3
3
3
3
2
2
3
3
Swell
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
18
0.6
SSW
17
0.6
SSW
16
1.6
ENE
6
1.5
ENE
7
1.6
ENE
7
1.6
ENE
7
1.8
ENE
7
2
ENE
8
2.2
ENE
8
2.3
ENE
9
3
ENE
9
1.8
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
243
232
214
206
198
219
254
337
489
646
791
1233
540
473
430
540
673
597
582
575
532
Wind (km/h)
20
NNE
20
NE
30
NE
30
NE
25
NE
25
NE
30
NE
30
NE
35
NE
40
NE
30
NE
20
NE
10
N
10
NNW
10
NNW
5
W
5
NNW
5
NE
10
ENE
5
NNE
10
NNE
Wind State
cross-off
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-off
cross-off
off
cross-off
glassy
cross
cross
cross-off
cross-off
High Tide
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
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
cloud
part cloud
cloud
clear
part cloud
part cloud
cloud
part cloud
part cloud
cloud
cloud
<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
Temp °C
6
9
10
9
8
8
8
9
9
10
11
10
9
8
8
9
9
11
11
10
10
Feels °C
1
4
4
2
2
3
1
2
1
1
5
5
6
5
5
7
7
9
8
8
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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