Catlins River Mouth Surf Break

Lat Long: 46.48° S 169.72° E

Catlins River Mouth 48 hour detailed Surf Forecast

Issued: 11 pm 04 Sep 2026 (local time)

Forecast update in  hr  min

Today's Catlins River Mouth sea temperature is
10.7°C
1.5° 

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 (05 Sep):

  • Morning surf: Morning surf (05 Sep, local time) - 6ft (1.9m), 16s period with SSW swell.
  • Afternoon surf: Afternoon surf (05 Sep, local time) - 8ft (2.5m), 17s period with SSW swell.
  • Evening surf: Evening surf (05 Sep, local time) - 18ft (5.5m), 16s period with SW swell.

The current surf forecast for Catlins River Mouth at 5AM is: 1.5m 15s primary swell from a South-southwest direction and 1.3m 9s secondary swell from a Southwest direction (forecast issued at 11:00pm September 04). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (NZST) & DateWave HeightWave Period
Morning (05 Sep)6ft (1.9m)16s
Afternoon (05 Sep)8ft (2.5m)17s
Evening (05 Sep)18ft (5.5m)16s

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


Short Range Forecast

Moderate rain (total 14mm), heaviest on Sat night. Very mild (max 12°C on Sat morning, min 6°C on Sun morning). Winds decreasing (fresh winds from the WNW on Sat morning, calm by Sun night).

Saturday
5
Sunday
6
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
2
2
3
3
3
!
!
5
4
4
3
4
4
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.1
SW
14
2.1
SW
15
1.5
SSW
15
1.5
SSW
15
1.9
SSW
16
2.2
SSW
16
2.5
SSW
17
3
SSW
17
5.5
SW
16
5
SW
16
3
SSW
17
2.5
SSW
17
2.4
SSW
16
2.2
SSW
16
2.1
SSW
16
2
SSW
16
1.5
SSW
16
Wave Graph
Metric surfscale
Energy kJ
1862
1810
936
975
1765
2573
4032
5242
16085
13458
4409
3640
3080
2414
2107
1899
1027
Wind (km/h)
35
W
35
WNW
30
WNW
30
WNW
40
WNW
30
WNW
30
WNW
30
WNW
20
W
20
W
15
W
10
WNW
5
NW
5
SW
5
W
5
WNW
5
WSW
Wind State
cross-off
cross-off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
cross
cross-off
glassy
glassy
High Tide
8:30PM2.19m
9:13AM2.22m
9:44PM2.17m
10:26AM2.23m
Low Tide
2:52AM0.94m
3:27PM1.03m
4:02AM0.92m
4:39PM0.99m
clear
clear
cloud
cloud
cloud
clear
clear
light rain
mod rain
part cloud
part cloud
cloud
cloud
light rain
light rain
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:03
7:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:15
6:16
 mm
1
8
2
2
Temp °C
8
7
8
9
10
12
12
10
8
8
7
7
7
6
6
7
6
Feels °C
-1
-1
1
2
1
5
5
3
3
3
3
4
4
4
4
5
4
  • 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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