Catlins River Mouth Surf Break

Lat Long: 46.48° S 169.72° E

Catlins River Mouth 48 hour detailed Surf Forecast

Issued: 11 am 12 Sep 2026 (local time)

Forecast update in  hr  min

Today's Catlins River Mouth sea temperature is
11.0°C
1.8° 

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 Sep):

  • Morning surf: Morning surf (12 Sep, local time) - 23ft (7.0m), 16s period with SW swell.
  • Afternoon surf: Afternoon surf (12 Sep, local time) - 20ft (6.0m), 16s period with SW swell.
  • Evening surf: Evening surf (12 Sep, local time) - 11ft (3.5m), 17s period with SSW swell.

The current surf forecast for Catlins River Mouth at 5PM is: 6.0m 16s primary swell from a Southwest direction and 4.0m 17s secondary swell from a South-southwest direction, 0.2m 13s secondary swell from a East-northeast direction (forecast issued at 11:00am September 12). The wind direction is predicted to be cross-offshore and the swell rating is 11.

Time (NZST) & DateWave HeightWave Period
Morning (12 Sep)23ft (7.0m)16s
Afternoon (12 Sep)20ft (6.0m)16s
Evening (12 Sep)11ft (3.5m)17s

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


Short Range Forecast

Light rain (total 6mm), mostly falling on Sat night. Very mild (max 15°C on Mon afternoon, min 7°C on Sat morning). Winds decreasing (fresh winds from the WSW on Sat night, calm by Mon afternoon).

Sat
12
Sunday
13
Monday
14
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)
!
!
!
!
!
!
!
!
!
!
4
3
3
3
3
4
3
3
3
3
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)
7
SW
16
6.5
SW
16
6
SW
16
4
SSW
17
3.5
SSW
17
4.5
SW
16
4.5
SSW
16
4.5
SSW
16
4
SSW
14
4.5
SW
15
3
SSW
16
2.5
SSW
16
2.1
SSW
15
2
SSW
15
1.7
SSW
15
1.7
SSW
15
1.6
SSW
15
1.6
SSW
15
1.5
SSW
15
1.3
SSW
15
1.2
SSW
15
Wave Graph
Metric surfscale
Energy kJ
23800
20682
19135
7969
6696
10891
10006
9782
5722
10277
4128
3486
2029
1712
1328
1209
1095
1095
962
730
568
Wind (km/h)
30
WSW
30
W
30
W
30
WNW
35
W
35
WSW
35
WSW
30
WSW
30
WSW
25
WSW
20
WSW
20
W
20
W
25
W
20
W
15
WNW
10
NNW
10
NNW
0
N
10
NNW
10
NW
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
glassy
off
off
High Tide
3:42PM2.52m
3:59AM2.54m
4:22PM2.50m
4:41AM2.49m
5:01PM2.44m
Low Tide
9:32AM0.58m
9:51PM0.65m
10:15AM0.66m
10:34PM0.72m
10:57AM0.77m
part cloud
rain showers
part cloud
cloud
light rain
rain showers
clear
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:50
6:48
6:47
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:23
6:24
6:27
 mm
1
2
3
Temp °C
7
8
9
10
9
9
9
9
10
11
12
11
10
10
10
10
10
13
14
15
14
Feels °C
-1
1
1
3
1
1
1
2
3
5
7
7
5
4
5
6
7
10
12
12
12
  • 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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