Surf Break

Lat Long: 46.48° S 169.72° E

Catlins River Mouth Surf Forecast and Surf Report

Issued: 6 am 22 Oct 2026 (local time)

Forecast update in  hr  min

Today's Catlins River Mouth sea temperature is
12.0°C
2.3° 

Catlins River Mouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Catlins River Mouth surf forecast from 21 Oct 2026:

  • Best quality surf: Friday 23 Oct, 1PM (local time) - 5ft (1.6m), 17s period, SSW swell with cross-offshore winds.
  • Most powerful swell: Sunday 25 Oct, 4AM (local time) - 6ft (1.9m), 16s period, SSW swell with 1,862 kJ wave energy.
  • Next surfable swell (1★+): Friday 23 Oct, 1AM (local time) - 2.5ft (0.7m), 16s period with SSW swell.

Best Forecast Surf Conditions for Catlins River Mouth this week:

The surf forecast for Catlins River Mouth over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Oct 23) at 1AM. The primary swell is predicted to be 0.7m and 16s period with a secondary swell of 0.8m and 7s. Another secondary swell of 1.1m and 7s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Catlins River Mouth in the next 16 days are 1.9m 16s and forecast to arrive on Sunday (Oct 25) at 4AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 6s period and expected on Friday (Oct 23) at 4PM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+) 1AM (Fri 23rd Oct)2.5ft (0.7m) 16s
Best Surf 1PM (Fri 23rd Oct)5ft (1.6m) 17s
Most Powerful 4AM (Sun 25th Oct)6ft (1.9m) 16s

Table - best surf conditions forecast for Catlins River Mouth over the next 16 days.


Short Range Forecast

Mostly dry. Warm (max 22°C on Sat morning, min 10°C on Thu night). Wind will be generally light.

Days 4-6 Weather Summary

Light rain (total 5mm), mostly falling on Mon night. Warm (max 22°C on Mon morning, min 4°C on Tue night). Winds increasing (light winds from the W on Sun afternoon, strong winds from the W by Tue morning).

Thursday
22
Friday
23
Saturday
24
Sunday
25
Monday
26
Tuesday
27
Wednesday
28
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
0
2
3
3
3
3
3
4
4
3
1
2
2
0
0
0
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)
0.9
SW
13
0.6
SW
13
0.7
SSW
16
1.3
SSW
17
1.7
SSW
16
1.5
SSW
16
1.1
SW
14
1.2
SW
14
1.7
SSW
16
1.8
SSW
16
1.3
SSW
15
1
SSW
14
0.9
SW
13
0.9
SW
13
0.8
SSW
14
1.6
SSE
7
1.3
SE
7
0.5
SW
15
0.5
SW
14
0.5
SW
13
0.7
S
14
Wave Graph
Metric surfscale
Energy kJ
265
132
223
992
1427
1027
469
614
1393
1566
784
431
253
238
261
279
174
107
93
88
203
Wind (km/h)
25
WNW
25
W
10
W
10
WNW
10
SW
5
WNW
15
NW
10
W
25
NW
20
NW
10
W
20
NNW
20
NW
15
NNW
40
W
40
W
35
SW
20
WNW
20
NW
15
W
20
WNW
Wind State
cross-off
cross-off
cross-off
off
cross
cross-off
off
cross-off
off
off
cross-off
cross-off
off
off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
High Tide
12:48PM2.17m
1:08AM2.23m
1:32PM2.26m
1:51AM2.33m
2:15PM2.34m
2:33AM2.42m
2:58PM2.42m
3:17AM2.49m
3:41PM2.47m
4:03AM2.53m
4:25PM2.49m
4:52AM2.53m
5:12PM2.47m
Low Tide
7:03PM1.00m
7:25AM0.91m
7:47PM0.91m
8:09AM0.84m
8:29PM0.83m
8:53AM0.78m
9:11PM0.76m
9:37AM0.75m
9:55PM0.72m
10:22AM0.75m
10:42PM0.69m
11:10AM0.77m
11:32PM0.70m
cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
clear
cloud
part cloud
part cloud
cloud
rain showers
rain showers
rain showers
rain showers
part cloud
part cloud
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:33
—
—
6:33
—
—
6:31
—
—
6:28
—
—
6:26
—
—
6:26
—
—
6:24
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
8:16
—
—
8:17
—
—
8:20
—
—
8:21
—
—
8:22
—
—
8:23
—
—
8:25
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 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1
1
2
1
—
—
2
Temp °C
16
14
12
21
21
15
22
21
17
21
21
19
22
20
16
10
10
7
14
15
12
Feels °C
11
10
8
17
18
14
17
18
12
17
17
15
19
18
12
0
2
1
7
11
7
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Catlins River Mouth Surf forecast

The above surf forecast table for Catlins River Mouth provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Catlins River Mouth can be found by selecting the local surf guide option on the grey menu. Our Catlins River Mouth surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Catlins River Mouth) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Catlins River Mouth may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Catlins River Mouth is 91 km (57 miles) from Dunedin. If you plan a holiday in Catlins, look for hotels and other accommodation in Dunedin. Dunedin has rooms for a wide range of budgets as well as car hire and transport links.

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