Catlins River Mouth Surf Break

Lat Long: 46.48° S 169.72° E

Catlins River Mouth 48 hour detailed Surf Forecast

Issued: 11 am 31 Jul 2026 (local time)

Forecast update in  hr  min

Today's Catlins River Mouth sea temperature is
10.9° 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 (31 Jul):

  • Morning surf: Morning surf (31 Jul, local time) - 2.5ft (0.7m), 14s period with SW swell.
  • Afternoon surf: Afternoon surf (31 Jul, local time) - 13ft (4.0m), 13s period with SSW swell.
  • Evening surf: Evening surf (31 Jul, local time) - 16ft (5.0m), 12s period with S swell.

The current surf forecast for Catlins River Mouth at 4PM is: 4.0m 13s primary swell from a South-southwest direction and 0.6m 11s secondary swell from a East direction, 0.4m 9s secondary swell from a East-northeast direction (forecast issued at 11:00am July 31). The wind direction is predicted to be cross-onshore.

Time (NZST) & DateWave HeightWave Period
Morning (31 Jul)2.5ft (0.7m)14s
Afternoon (31 Jul)13ft (4.0m)13s
Evening (31 Jul)16ft (5.0m)12s

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


Short Range Forecast

Light rain (total 8mm), mostly falling on Fri afternoon. Very mild (max 12°C on Sun afternoon, min 3°C on Sat morning). Winds decreasing (near gales from the SSW on Fri afternoon, light winds from the WNW by Sat morning).

Fri
31
Saturday
1
Sunday
2
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)
1
0
0
0
0
!
!
!
!
3
3
2
1
1
2
3
2
1
2
3
3
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)
0.7
SW
14
1.6
SW
14
4
SSW
13
5
SSW
12
5
S
12
5
S
12
4.5
S
12
4.5
S
11
3.5
SSE
11
3
SSE
10
2.5
SSE
10
2
S
10
1.6
SE
11
1.3
SE
12
1.3
SE
12
2.1
SW
9
2.3
SW
9
0.9
SSW
20
1.3
SSW
19
1.7
SSW
19
1.8
SSW
18
Wave Graph
Metric surfscale
Energy kJ
203
1079
5222
6850
7033
7680
5940
4531
2651
1887
1322
786
626
440
455
705
798
634
1273
2010
2017
Wind (km/h)
35
WNW
50
SSW
55
SSW
45
SSW
40
SSW
30
SSW
30
SSW
20
SW
15
WNW
20
W
25
WNW
25
WNW
25
WNW
25
WNW
25
W
25
W
25
WNW
25
WNW
30
W
30
WNW
30
WNW
Wind State
off
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
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
High Tide
4:16PM2.30m
4:26AM2.29m
4:51PM2.31m
5:04AM2.31m
5:28PM2.31m
Low Tide
10:07AM0.77m
10:22PM0.83m
10:44AM0.77m
11:00PM0.82m
11:23AM0.78m
cloud
light rain
light rain
light rain
light rain
light rain
light rain
cloud
part cloud
part cloud
cloud
part cloud
cloud
cloud
cloud
rain showers
part cloud
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
8:03
8:02
8:00
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:30
5:31
5:32
 mm
1
2
1
1
1
1
1
Temp °C
8
7
5
5
6
6
6
6
3
7
6
7
8
9
9
10
10
10
12
11
10
Feels °C
1
-4
-7
-6
-4
-2
-2
-1
-2
2
0
1
2
3
3
5
4
4
5
4
3
  • 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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