Catlins River Mouth Surf Break

Lat Long: 46.48° S 169.72° E

Catlins River Mouth 48 hour detailed Surf Forecast

Issued: 11 pm 31 Aug 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 (01 Sep):

  • Morning surf: Morning surf (01 Sep, local time) - 18ft (5.5m), 13s period with SW swell.
  • Afternoon surf: Afternoon surf (01 Sep, local time) - 16ft (5.0m), 13s period with SW swell.
  • Evening surf: Evening surf (01 Sep, local time) - 11ft (3.5m), 13s period with WSW swell.

The current surf forecast for Catlins River Mouth at 7AM is: 5.0m 13s primary swell from a South-southwest direction and 4.0m 14s secondary swell from a South-southwest direction, 0.2m 22s secondary swell from a South direction (forecast issued at 11:00pm August 31). The wind direction is predicted to be cross-offshore and the swell rating is 11.

Time (NZST) & DateWave HeightWave Period
Morning (01 Sep)18ft (5.5m)13s
Afternoon (01 Sep)16ft (5.0m)13s
Evening (01 Sep)11ft (3.5m)13s

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


Short Range Forecast

Moderate rain (total 13mm), heaviest on Tue morning. Very mild (max 14°C on Wed afternoon, min 5°C on Mon night). Winds decreasing (strong winds from the WSW on Mon night, light winds from the N by Thu morning).

Tuesday
1
Wednesday
2
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
6
5
4
4
2
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
4
SSW
15
5.5
SSW
13
5.5
SSW
13
5
SSW
13
5.5
SW
13
5.5
SW
13
5
SW
13
3.5
WSW
13
3.5
WSW
13
3
SSW
15
3
SSW
15
2.5
SSW
13
2.5
SSW
13
2.2
SSW
12
1.9
SSW
12
1.4
S
12
1.3
SW
14
Wave Graph
Metric surfscale
Energy kJ
6976
9736
9736
9083
11179
10113
8486
4381
3671
4697
3813
2359
1871
1360
1064
508
716
Wind (km/h)
40
WSW
40
WSW
40
WSW
35
WSW
30
W
25
WNW
35
W
30
W
30
WNW
30
WNW
25
WNW
25
WNW
25
NW
20
NW
25
WNW
20
WNW
15
W
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
off
cross-off
cross-off
High Tide
5:18AM2.41m
5:40PM2.37m
6:05AM2.37m
6:26PM2.32m
Low Tide
11:13PM0.76m
11:39AM0.79m
11:59PM0.80m
12:27PM0.87m
rain showers
rain showers
rain showers
rain showers
light rain
light rain
rain showers
light rain
cloud
cloud
cloud
cloud
part cloud
cloud
part cloud
cloud
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:11
7:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:09
6:12
 mm
1
1
1
1
1
2
2
1
1
Temp °C
5
5
5
5
5
6
9
9
9
10
11
11
12
13
14
13
12
Feels °C
-5
-5
-5
-4
-2
0
2
2
2
3
5
5
6
8
8
8
9
  • 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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