Catlins River Mouth Surf Break

Lat Long: 46.48° S 169.72° E

Catlins River Mouth 48 hour detailed Surf Forecast

Issued: 5 pm 10 Sep 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 (10 Sep):

  • Afternoon surf: Afternoon surf (10 Sep, local time) - 10ft (3.0m), 18s period with SSW swell.
  • Evening surf: Evening surf (10 Sep, local time) - 11ft (3.5m), 18s period with SSW swell.

The current surf forecast for Catlins River Mouth at 10PM is: 3.0m 18s primary swell from a South-southwest direction and 0.4m 8s secondary swell from a East-northeast direction (forecast issued at 05:00pm September 10). The wind direction is predicted to be offshore and the swell rating is 5.

Time (NZST) & DateWave HeightWave Period
Morning (10 Sep)--
Afternoon (10 Sep)10ft (3.0m)18s
Evening (10 Sep)11ft (3.5m)18s

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


Short Range Forecast

Moderate rain (total 13mm), heaviest on Sat night. Very mild (max 11°C on Sun morning, min 6°C on Thu night). Winds increasing (light winds from the NW on Thu night, strong winds from the WSW by Fri afternoon).

Thu
10
Friday
11
Saturday
12
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
!
!
5
5
!
2
!
!
!
!
!
!
!
!
!
!
!
!
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
3
SSW
18
3.5
SSW
18
3.5
SSW
18
3
SSW
18
3
SSW
18
5
SW
17
3
SSW
17
3.5
SSW
16
5
SW
15
5
SSW
15
5
SSW
16
5.5
SSW
16
6
SSW
16
5.5
SSW
16
5.5
SSW
16
6
SW
16
6
SW
16
5.5
SW
16
3.5
SSW
17
Wave Graph
Metric surfscale
Energy kJ
6180
6950
6798
5976
5163
13353
4902
5659
10979
12244
11744
13251
16343
15872
15000
20053
18525
16676
6617
Wind (km/h)
25
WSW
20
W
20
WNW
20
NW
25
WNW
30
WNW
35
W
40
W
40
WSW
35
W
35
W
40
W
40
WSW
35
WSW
30
W
30
W
30
W
30
WNW
35
W
Wind State
cross-off
cross-off
cross-off
off
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
off
cross-off
High Tide
2:14PM2.48m
2:31AM2.52m
2:59PM2.51m
3:16AM2.55m
3:42PM2.52m
Low Tide
8:24PM0.64m
8:48AM0.55m
9:08PM0.62m
9:32AM0.58m
rain showers
clear
clear
clear
part cloud
part cloud
cloud
light rain
rain showers
clear
clear
part cloud
part cloud
rain showers
part cloud
part cloud
part cloud
cloud
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:52
6:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:22
6:22
6:23
 mm
1
1
2
1
5
Temp °C
9
8
6
6
8
9
10
9
9
8
7
7
6
6
7
8
8
10
9
Feels °C
3
2
0
1
1
2
2
1
0
-1
-2
-2
-3
-3
-1
1
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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