Catlins River Mouth Surf Break

Lat Long: 46.48° S 169.72° E

Catlins River Mouth 48 hour detailed Surf Forecast

Issued: 11 am 30 Aug 2026 (local time)

Forecast update in  hr  min

Today's Catlins River Mouth sea temperature is
11.4°C
2.3° 

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):

  • Morning surf: Morning surf (30 Aug, local time) - 8ft (2.5m), 16s period with SSW swell.
  • Afternoon surf: Afternoon surf (30 Aug, local time) - 18ft (5.5m), 14s period with SW swell.
  • Evening surf: Evening surf (30 Aug, local time) - 16ft (5.0m), 14s period with SW swell.

The current surf forecast for Catlins River Mouth at 3PM is: 5.5m 14s primary swell from a Southwest direction and 4.0m 15s secondary swell from a South-southwest direction (forecast issued at 11:00am 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)8ft (2.5m)16s
Afternoon (30 Aug)18ft (5.5m)14s
Evening (30 Aug)16ft (5.0m)14s

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


Short Range Forecast

Heavy rain (total 32mm), heaviest during Sun morning. Very mild (max 11°C on Tue night, min 4°C on Mon afternoon). Winds decreasing (strong winds from the WSW on Sun morning, moderate winds from the WNW by Tue night).

Sun
30
Monday
31
Tuesday
1
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)
3
0
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3
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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)
2.5
SSW
16
3.5
SSW
16
5.5
SW
14
5
SW
15
5
SW
14
4.5
SW
14
5
SW
14
5
SW
14
4
SSW
15
4
SSW
15
5.5
SW
14
4
SSW
15
4
SSW
15
5
SSW
14
5
SSW
13
5
SSW
13
4.5
SSW
13
4.5
SSW
13
5.5
SW
13
3
SSW
13
3.5
SSW
15
Wave Graph
Metric surfscale
Energy kJ
3601
6017
11616
11134
10254
9022
9339
10154
5906
6792
11241
6361
6885
9425
8847
8196
7335
6924
9401
2779
4485
Wind (km/h)
30
WNW
45
WSW
45
WSW
40
WSW
40
W
35
W
40
W
40
WSW
40
WSW
45
WSW
40
WSW
40
WSW
40
WSW
35
WSW
40
WSW
35
WSW
30
W
30
W
35
W
35
W
30
W
Wind State
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
cross-off
cross-off
High Tide
4:21PM2.40m
4:36AM2.42m
4:59PM2.40m
5:18AM2.41m
5:40PM2.37m
Low Tide
10:15AM0.70m
10:32PM0.74m
10:56AM0.73m
11:13PM0.76m
11:39AM0.79m
light rain
mod rain
rain showers
light rain
light rain
light rain
light rain
light rain
light rain
rain showers
rain showers
rain showers
light rain
light rain
rain showers
rain showers
part cloud
cloud
rain showers
cloud
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:16
7:13
7:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:07
6:08
6:09
 mm
1
6
3
2
1
2
2
2
3
2
1
1
1
1
1
1
1
1
Temp °C
7
7
7
6
6
5
5
5
5
6
5
4
4
4
5
5
6
8
8
10
9
Feels °C
0
-4
-3
-4
-3
-4
-4
-4
-5
-4
-4
-6
-6
-5
-5
-4
-2
0
0
2
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
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