Catlins River Mouth Surf Break

Lat Long: 46.48° S 169.72° E

Catlins River Mouth 48 hour detailed Surf Forecast

Issued: 5 pm 21 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 (21 Jul):

  • Afternoon surf: Afternoon surf (21 Jul, local time) - 4.5ft (1.3m), 12s period with SSW swell.
  • Evening surf: Evening surf (21 Jul, local time) - 3.5ft (1.1m), 12s period with SSW swell.

The current surf forecast for Catlins River Mouth at 10PM is: 1.1m 12s primary swell from a South-southwest direction and 0.6m 7s secondary swell from a Southwest direction (forecast issued at 05:00pm July 21). The wind direction is predicted to be cross-offshore.

Time (NZST) & DateWave HeightWave Period
Morning (21 Jul)--
Afternoon (21 Jul)4.5ft (1.3m)12s
Evening (21 Jul)3.5ft (1.1m)12s

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


Short Range Forecast

Light rain (total 5mm), mostly falling on Fri morning. Very mild (max 14°C on Tue afternoon, min 7°C on Wed night). Wind will be generally light.

Tue
21
Wednesday
22
Thursday
23
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)
1
2
2
1
1
2
2
2
2
2
2
1
1
1
1
0
1
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.3
SSW
12
1.2
SW
12
1.1
SSW
12
1.1
SSW
12
1.2
SW
12
1.2
SW
13
1.2
SW
13
1.2
SW
14
1.2
SSW
13
1.1
SW
13
1
SSW
13
0.8
SW
13
0.6
SW
14
0.4
SW
14
0.3
SSW
14
0.4
SSW
8
0.4
SW
15
0.4
SW
14
0.5
SW
14
Wave Graph
Metric surfscale
Energy kJ
451
435
359
365
442
479
517
548
479
400
373
215
149
51
41
22
55
72
97
Wind (km/h)
20
WNW
10
W
15
W
15
WNW
15
W
15
W
10
WNW
10
W
5
W
10
NNE
10
NNE
10
N
10
N
15
N
15
N
15
N
10
N
5
NW
5
NNW
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
glassy
High Tide
8:49PM2.21m
9:23AM2.20m
9:49PM2.16m
10:24AM2.17m
Low Tide
2:34PM0.99m
3:02AM1.05m
3:29PM1.10m
4:01AM1.11m
4:27PM1.17m
part cloud
part cloud
rain showers
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
8:12
8:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:20
5:21
5:22
 mm
1
Temp °C
14
12
11
11
10
9
9
10
11
10
9
7
7
7
7
10
12
11
10
Feels °C
9
9
8
7
6
5
6
7
9
7
6
4
3
3
3
6
9
9
8
  • 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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