Catlins River Mouth Surf Break

Lat Long: 46.48° S 169.72° E

Catlins River Mouth 48 hour detailed Surf Forecast

Issued: 5 pm 30 Aug 2026 (local time)

Forecast update in  hr  min

Today's Catlins River Mouth sea temperature is
11.0°C
1.9° 

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 (30 Aug):

  • Afternoon surf: Afternoon surf (30 Aug, local time) - 18ft (5.5m), 14s period with SW swell.
  • Evening surf: Evening surf (30 Aug, local time) - 18ft (5.5m), 14s period with SW swell.

The current surf forecast for Catlins River Mouth at 8PM is: 5.5m 14s primary swell from a Southwest direction and 4.0m 15s secondary swell from a South-southwest direction (forecast issued at 05:00pm August 30). The wind direction is predicted to be cross-offshore and the swell rating is 11.

Time (NZST) & DateWave HeightWave Period
Morning (30 Aug)--
Afternoon (30 Aug)18ft (5.5m)14s
Evening (30 Aug)18ft (5.5m)14s

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


Short Range Forecast

Heavy rain (total 26mm), heaviest during Sun afternoon. Very mild (max 13°C on Wed morning, min 4°C on Mon afternoon). Winds decreasing (strong winds from the WSW on Sun afternoon, moderate winds from the N by Wed morning).

Sun
30
Monday
31
Tuesday
1
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)
!
!
!
!
!
!
!
!
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2
!
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
5.5
SW
14
5.5
SW
14
5.5
SW
14
5
SW
14
5
SW
14
4
SSW
15
4
SSW
15
4
SSW
15
4
SSW
15
4
SSW
15
5.5
SSW
14
4
SSW
14
4
SSW
14
5
SSW
13
4.5
SSW
13
5.5
SW
13
5
SW
13
3
SSW
13
5
SW
13
Wave Graph
Metric surfscale
Energy kJ
12400
11425
11359
9651
10299
6060
6629
7394
6716
6144
9977
6363
5899
7913
7064
9401
8940
2508
8053
Wind (km/h)
45
WSW
40
WSW
40
W
40
W
40
W
40
WSW
45
WSW
45
WSW
40
WSW
40
WSW
40
WSW
40
WSW
40
WSW
35
WSW
30
W
25
W
35
W
30
W
30
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
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
4:21PM2.40m
4:36AM2.42m
4:59PM2.40m
5:18AM2.41m
5:40PM2.37m
Low Tide
10:32PM0.74m
10:56AM0.73m
11:13PM0.76m
11:39AM0.79m
rain showers
light rain
light rain
light rain
light rain
light rain
light rain
rain showers
light rain
light rain
rain showers
light rain
rain showers
rain showers
part cloud
cloud
light rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:13
7:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:07
6:08
6:09
 mm
3
2
1
2
1
2
2
2
2
1
2
1
1
1
1
1
1
Temp °C
7
6
6
6
5
5
5
5
5
4
4
4
5
5
6
6
9
9
9
Feels °C
-3
-4
-3
-3
-4
-5
-5
-5
-5
-5
-6
-5
-5
-4
-2
0
1
3
2
  • 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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