Catlins River Mouth Surf Break

Lat Long: 46.48° S 169.72° E

Catlins River Mouth 48 hour detailed Surf Forecast

Issued: 11 pm 19 Jul 2026 (local time)

Forecast update in  hr  min

Today's Catlins River Mouth sea temperature is
11.0° 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 (20 Jul):

  • Morning surf: Morning surf (20 Jul, local time) - 10ft (3.0m), 15s period with SSW swell.
  • Afternoon surf: Afternoon surf (20 Jul, local time) - 8ft (2.4m), 15s period with SSW swell.
  • Evening surf: Evening surf (20 Jul, local time) - 7ft (2.1m), 14s period with S swell.

The current surf forecast for Catlins River Mouth at 2AM is: 3.0m 15s primary swell from a South-southwest direction and 0.7m 12s secondary swell from a East-southeast direction (forecast issued at 11:00pm July 19). The wind direction is predicted to be cross-offshore and the swell rating is 4.

Time (NZST) & DateWave HeightWave Period
Morning (20 Jul)10ft (3.0m)15s
Afternoon (20 Jul)8ft (2.4m)15s
Evening (20 Jul)7ft (2.1m)14s

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


Short Range Forecast

Light rain (total 3mm), mostly falling on Tue afternoon. Very mild (max 14°C on Tue afternoon, min 6°C on Mon night). Wind will be generally light.

Monday
20
Tuesday
21
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
4
5
5
4
4
4
4
4
4
3
3
3
2
2
2
3
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
15
3
SSW
15
3
SSW
15
3
SSW
17
3
SSW
15
2.5
S
15
2.4
SSW
15
2.3
SSW
14
2.1
S
14
1.9
SSW
13
1.7
SSW
13
1.6
SSW
13
1.5
SSW
12
1.3
SSW
12
1.3
SSW
12
1.1
SW
12
2.5
SW
12
Wave Graph
Metric surfscale
Energy kJ
3360
3578
3869
4701
3466
2868
2315
1984
1657
1327
1026
888
639
467
517
336
1839
Wind (km/h)
15
W
15
W
10
WNW
10
WNW
10
NW
10
NW
5
NNE
5
WNW
10
WNW
10
NW
15
NNW
15
NNW
15
NW
20
NW
20
WNW
15
W
20
W
Wind State
cross-off
cross-off
cross-off
cross-off
off
off
glassy
off
cross-off
off
off
off
off
off
off
cross-off
cross-off
High Tide
6:59PM2.36m
7:26AM2.34m
7:51PM2.28m
8:23AM2.26m
8:49PM2.21m
Low Tide
1:13AM0.86m
1:42PM0.86m
2:06AM0.96m
2:34PM0.99m
part cloud
part cloud
cloud
cloud
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
cloud
cloud
cloud
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
8:15
8:14
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:19
5:20
 mm
1
1
Temp °C
9
9
9
9
8
8
9
8
7
6
7
7
10
12
14
12
11
Feels °C
5
5
5
5
5
5
7
6
4
2
2
1
5
7
9
9
7
  • 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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