Catlins River Mouth Surf Break

Lat Long: 46.48° S 169.72° E

Catlins River Mouth 48 hour detailed Surf Forecast

Issued: 11 am 23 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.


How big are the waves at Catlins River Mouth today (23 Aug):

  • Morning surf: Morning surf (23 Aug, local time) - 3ft (0.9m), 17s period with SSW swell.
  • Afternoon surf: Afternoon surf (23 Aug, local time) - 6ft (1.9m), 14s period with SSW swell.
  • Evening surf: Evening surf (23 Aug, local time) - 16ft (5.0m), 13s period with SW swell.

The current surf forecast for Catlins River Mouth at 7PM is: 3.5m 14s primary swell from a Southwest direction and 0.3m 13s secondary swell from a East-southeast direction (forecast issued at 11:00am August 23). An open ocean swell of 0.4m 9s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 11.

Time (NZST) & DateWave HeightWave Period
Morning (23 Aug)3ft (0.9m)17s
Afternoon (23 Aug)6ft (1.9m)14s
Evening (23 Aug)16ft (5.0m)13s

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


Short Range Forecast

Moderate rain (total 10mm), heaviest on Tue morning. Very mild (max 14°C on Mon afternoon, min 6°C on Sun morning). Winds decreasing (near gales from the W on Sun morning, light winds from the W by Tue night).

Sun
23
Monday
24
Tuesday
25
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
!
!
!
!
2
3
2
3
4
3
3
2
2
!
!
2
!
!
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)
0.9
SSW
17
1.2
SSW
16
1.9
SSW
14
3.5
SW
14
5
SW
13
4.5
SW
14
5
SW
14
2.5
SSW
15
2.5
SSW
17
2.5
SSW
16
2.5
SSW
16
2.5
SSW
16
2.3
SSW
15
2.2
SSW
15
2.2
SSW
15
2.1
SSW
15
5
SW
14
5
SW
14
2.5
SSW
15
4.5
SW
14
4.5
SW
14
Wave Graph
Metric surfscale
Energy kJ
399
760
1504
4814
9187
8040
10694
3335
4227
3079
2887
2887
2483
2177
2042
1953
9843
9408
3200
7714
6751
Wind (km/h)
50
W
45
W
45
W
40
WSW
40
W
30
W
25
WNW
30
WNW
30
WNW
25
WNW
20
WNW
25
WNW
25
WNW
30
WNW
30
WNW
25
WNW
25
W
30
W
25
WSW
25
WSW
20
W
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
11:41AM2.11m
00:02AM2.09m
12:31PM2.14m
00:50AM2.13m
1:15PM2.18m
Low Tide
5:56PM1.18m
6:19AM1.06m
6:48PM1.09m
7:06AM0.97m
7:30PM0.99m
rain showers
rain showers
rain showers
rain showers
part cloud
rain showers
cloud
rain showers
part cloud
clear
clear
cloud
part cloud
clear
part cloud
part cloud
light rain
clear
clear
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:28
7:26
7:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:59
6:00
6:01
 mm
2
1
1
1
1
1
3
Temp °C
6
7
6
6
7
8
8
10
11
13
14
13
12
13
13
13
10
11
11
9
9
Feels °C
-5
-4
-5
-4
-2
0
2
3
4
7
9
7
5
6
7
7
5
5
5
3
4
  • 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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