Surf Break

Lat Long: 46.48° S 169.72° E

Catlins River Mouth Surf Forecast and Surf Report

Issued: 12 pm 10 Oct 2026 (local time)

Forecast update in  hr  min

Today's Catlins River Mouth sea temperature is
11.7°C
2.4° 

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 10 Oct 2026:

  • Best quality surf: Sunday 11 Oct, 1AM (local time) - 3.5ft (1.1m), 15s period, SSW swell with offshore winds.
  • Most powerful swell: Saturday 17 Oct, 7PM (local time) - 7.5ft (2.3m), 14s period, SSW swell with 1,956 kJ wave energy.
  • Next surfable swell (1★+): Sunday 11 Oct, 1AM (local time) - 3.5ft (1.1m), 15s 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 Sunday (Oct 11) at 1AM. The primary swell is predicted to be 1.1m and 15s period with a secondary swell of 1.1m and 7s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Catlins River Mouth in the next 16 days are 2.3m 14s and forecast to arrive on Saturday (Oct 17) at 7PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 7s period and expected on Sunday (Oct 11) at 1AM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+) 1AM (Sun 11th Oct)3.5ft (1.1m) 15s
Best Surf 1AM (Sun 11th Oct)3.5ft (1.1m) 15s
Most Powerful 7PM (Sat 17th Oct)7.5ft (2.3m) 14s

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


Short Range Forecast

Mostly dry. Very mild (max 18°C on Sun morning, min 9°C on Sun night). Wind will be generally light.

Days 4-6 Weather Summary

Heavy rain (total 31mm), heaviest during Wed morning. Warm (max 20°C on Tue afternoon, min 6°C on Thu afternoon). Winds increasing (light winds from the NNW on Tue afternoon, fresh winds from the SSE by Thu afternoon).

Saturday
10
Sunday
11
Monday
12
Tuesday
13
Wednesday
14
Thursday
15
Friday
16
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
1
3
2
1
1
2
2
3
3
3
0
0
0
0
0
0
0
2
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.5
SSW
16
1.4
SSW
15
1.1
SSW
15
0.8
SSW
14
0.7
SSW
14
0.4
SSW
18
0.8
SSW
16
1.3
SSW
16
1
SSW
18
1.2
SSW
17
1.6
SSW
16
1.7
SSW
15
1.1
SSW
14
0.9
SSW
13
1.5
E
7
1.5
ESE
8
2.1
SE
9
3
SE
10
2.5
SE
10
2.1
ESE
10
1.6
ESE
10
Wave Graph
Metric surfscale
Energy kJ
1136
929
566
268
180
108
347
892
685
827
1214
1177
487
295
231
280
639
1751
1502
908
471
Wind (km/h)
5
NE
20
ENE
5
NNW
0
NNW
10
SE
5
N
10
NNE
20
ENE
10
N
15
N
10
NNW
15
SSW
15
ENE
20
ENE
30
E
20
SE
35
SSE
30
S
20
SSW
25
SW
25
WSW
Wind State
cross
cross
off
glassy
on
cross-off
cross-off
cross
cross-off
cross-off
off
cross-on
cross-on
cross
cross-on
on
on
cross-on
cross
cross
cross-off
High Tide
3:33PM2.46m
3:51AM2.50m
4:13PM2.47m
4:32AM2.49m
4:51PM2.44m
5:13AM2.45m
5:29PM2.39m
5:54AM2.38m
6:06PM2.31m
6:35AM2.30m
6:46PM2.23m
7:20AM2.21m
7:31PM2.13m
Low Tide
9:43PM0.73m
10:06AM0.74m
10:24PM0.76m
10:47AM0.82m
11:05PM0.82m
11:27AM0.91m
11:45PM0.90m
12:08PM1.00m
00:26AM0.98m
12:49PM1.08m
1:09AM1.05m
1:32PM1.15m
1:56AM1.11m
clear
part cloud
part cloud
clear
clear
clear
clear
part cloud
clear
cloud
cloud
light rain
mod rain
light rain
light rain
mod rain
mod rain
rain showers
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:56
—
—
6:54
—
—
6:52
—
—
6:50
—
—
6:48
—
—
6:47
—
—
6:45
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
8:00
—
—
8:01
—
—
8:02
—
—
8:04
—
—
8:06
—
—
8:07
—
—
8:07
—
 mm
—
—
—
—
—
—
—
—
—
—
—
3
7
1
2
7
9
2
—
—
—
Temp °C
12
12
11
18
15
12
14
15
11
18
20
10
8
9
9
7
6
7
9
10
9
Feels °C
11
9
10
17
13
11
10
12
10
15
18
5
4
5
4
2
-2
0
3
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)
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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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