Catlins River Mouth Surf Break

Lat Long: 46.48° S 169.72° E

Catlins River Mouth Surf Forecast and Surf Report

Issued: 11 pm 08 Jul 2026 (local time)

Forecast update in  hr  min

Today's Catlins River Mouth sea temperature is
11.2° C
1.9° 

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 8 Jul 2026:

  • Best quality surf: Thursday 9 Jul, 9AM (local time) - 5ft (1.6m), 19s period, SSW swell with cross-offshore winds.
  • Most powerful swell: Thursday 9 Jul, 12PM (local time) - 7ft (2.2m), 18s period, SSW swell with 3,010 kJ wave energy.
  • Next surfable swell (1★+): Thursday 9 Jul, 9AM (local time) - 5ft (1.6m), 19s 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 Thursday (Jul 09) at 9AM. The primary swell is predicted to be 1.6m and 19s period with a secondary swell of 1.5m and 14s. 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 2.2m 18s and forecast to arrive on Thursday (Jul 09) at 12PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 7s period and expected on Wednesday (Jul 15) at 3AM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+) 9AM (Thu 9th Jul)5ft (1.6m) 19s
Best Surf 9AM (Thu 9th Jul)5ft (1.6m) 19s
Most Powerful12PM (Thu 9th Jul)7ft (2.2m) 18s

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


Short Range Forecast

Mostly dry. Very mild (max 10°C on Sat afternoon, min 6°C on Wed night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Very mild (max 10°C on Tue afternoon, min 3°C on Sun night). Wind will be generally light.

Thursday
9
Friday
10
Saturday
11
Sunday
12
Monday
13
Tuesday
14
Wed
15
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Rating
(10 max)
3
4
4
4
4
3
4
4
4
3
3
2
2
2
2
2
2
2
2
4
4
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)
2.2
SSW
15
1.6
SSW
19
2.2
SSW
17
1.9
SSW
16
1.6
SSW
16
1.4
SSW
15
2
SSW
16
1.9
SSW
16
1.8
SSW
16
1.5
SSW
15
1.3
SSW
15
1.1
SSW
15
0.9
SSW
14
0.7
SSW
14
1.7
ENE
7
0.4
SSW
20
1.2
ENE
9
0.8
SSW
16
0.8
SSW
15
1.3
SSW
18
1.8
SSW
17
Wave Graph
Metric surfscale
Energy kJ
2049
1688
2909
1872
1245
857
2119
1872
1675
1037
716
530
290
180
294
127
246
295
287
1016
2007
Wind (km/h)
10
S
10
WNW
5
W
5
WNW
10
WNW
10
SW
15
NW
10
NW
5
NW
10
NNW
10
NNW
10
NNE
15
N
10
N
10
NNW
10
NW
15
N
10
NW
20
WNW
10
NW
5
N
Wind State
cross-on
cross-off
cross-off
off
off
cross
off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
off
off
off
cross-off
High Tide
9:14PM2.20m
9:46AM2.24m
10:16PM2.23m
10:50AM2.28m
11:18PM2.27m
11:53AM2.35m
00:19AM2.32m
12:54PM2.42m
1:19AM2.39m
1:54PM2.48m
2:16AM2.45m
2:51PM2.52m
3:10AM2.50m
3:44PM2.55m
Low Tide
3:33AM1.01m
4:03PM1.00m
4:35AM0.97m
5:07PM0.99m
5:38AM0.91m
6:12PM0.94m
6:39AM0.81m
7:14PM0.86m
7:39AM0.70m
8:11PM0.76m
8:35AM0.59m
9:04PM0.68m
9:28AM0.52m
part cloud
cloud
cloud
part cloud
part cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
part cloud
cloud
clear
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
8:22
8:22
8:22
8:21
8:21
8:19
8:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:08
5:09
5:10
5:10
5:12
5:13
5:14
 mm
Temp °C
7
7
7
7
7
8
8
8
10
7
6
7
4
8
9
7
9
10
9
9
10
Feels °C
2
4
4
4
4
5
4
5
7
4
2
3
0
4
6
5
5
7
4
6
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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