Catlins River Mouth Surf Break

Lat Long: 46.48° S 169.72° E

Catlins River Mouth 48 hour detailed Surf Forecast

Issued: 5 am 12 Aug 2026 (local time)

Forecast update in  hr  min

Today's Catlins River Mouth sea temperature is
10.6° C
1.5° 

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 (12 Aug):

  • Morning surf: Morning surf (12 Aug, local time) - 6ft (1.9m), 8s period with ENE swell.
  • Afternoon surf: Afternoon surf (12 Aug, local time) - 10ft (3.0m), 8s period with ENE swell.
  • Evening surf: Evening surf (12 Aug, local time) - 8ft (2.5m), 9s period with ENE swell.

The current surf forecast for Catlins River Mouth at 11AM is: 2.1m 8s primary swell from a East-northeast direction and 0.5m 19s secondary swell from a South direction, 0.4m 14s secondary swell from a Southwest direction (forecast issued at 05:00am August 12). The wind direction is predicted to be cross-shore.

Time (NZST) & DateWave HeightWave Period
Morning (12 Aug)6ft (1.9m)8s
Afternoon (12 Aug)10ft (3.0m)8s
Evening (12 Aug)8ft (2.5m)9s

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


Short Range Forecast

Light rain (total 4mm), mostly falling on Fri night. Very mild (max 12°C on Thu morning, min 7°C on Fri night). Winds decreasing (fresh winds from the NE on Wed morning, calm by Thu morning).

Wednesday
12
Thursday
13
Friday
14
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
0
0
0
1
2
4
3
3
3
3
3
2
3
3
2
2
2
3
3
3
4
4
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)
1.3
ENE
7
1.8
ENE
7
1.9
ENE
8
2.2
ENE
8
3
ENE
8
2.5
ENE
9
2.5
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
1
SSW
15
1
SSW
15
1
SSW
16
0.7
SSW
19
1
SSW
18
1.7
SSW
18
2.3
SSW
17
2.5
SSW
17
Wave Graph
Metric surfscale
Energy kJ
150
349
422
650
1289
1069
1045
463
421
540
673
597
575
575
532
422
422
463
375
700
1664
3063
3336
Wind (km/h)
30
NNE
35
NE
35
NE
40
NE
30
NE
25
NE
15
N
10
NNW
10
N
10
WNW
5
NW
0
E
10
E
5
NNE
10
N
10
NNW
5
WNW
5
NW
5
NNW
10
N
10
NE
5
N
15
WSW
Wind State
cross-off
cross
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
off
glassy
cross-on
glassy
cross-off
off
cross-off
off
cross-off
cross-off
cross
cross-off
cross-off
High Tide
2:03AM2.45m
2:35PM2.50m
2:53AM2.52m
3:24PM2.54m
3:40AM2.55m
4:10PM2.54m
Low Tide
8:21AM0.55m
8:46PM0.63m
9:10AM0.49m
9:33PM0.59m
9:58AM0.49m
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
rain showers
rain showers
clear
clear
part cloud
part cloud
clear
clear
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:47
7:45
7:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:45
5:46
5:47
 mm
1
1
Temp °C
8
9
9
10
11
10
8
8
9
9
10
12
11
10
9
8
8
8
8
10
12
11
9
Feels °C
1
2
1
2
4
5
4
5
6
7
8
11
9
9
7
5
6
6
6
7
9
9
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 

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