Surf Break

Lat Long: 46.48° S 169.72° E

Catlins River Mouth Surf Forecast and Surf Report

Issued: 6 pm 07 Oct 2026 (local time)

Forecast update in  hr  min

Today's Catlins River Mouth sea temperature is
11.6°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 7 Oct 2026:

  • Best quality surf: Friday 9 Oct, 1AM (local time) - 5.5ft (1.7m), 16s period, SSW swell with cross-offshore winds.
  • Most powerful swell: Monday 12 Oct, 10PM (local time) - 6ft (1.8m), 19s period, SSW swell with 2,367 kJ wave energy.
  • Next surfable swell (1★+): Friday 9 Oct, 1AM (local time) - 5.5ft (1.7m), 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 09) at 1AM. The primary swell is predicted to be 1.7m and 16s period with a secondary swell of 1.1m and 6s. 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 1.8m 19s and forecast to arrive on Monday (Oct 12) at 10PM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 6s period and expected on Wednesday (Oct 14) at 10AM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+) 1AM (Fri 9th Oct)5.5ft (1.7m) 16s
Best Surf 1AM (Fri 9th Oct)5.5ft (1.7m) 16s
Most Powerful10PM (Mon 12th Oct)6ft (1.8m) 19s

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


Short Range Forecast

Mostly dry. Very mild (max 14°C on Wed afternoon, min 7°C on Wed night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 21°C on Tue morning, min 10°C on Sat night). Wind will be generally light.

Wed
7
Thursday
8
Friday
9
Saturday
10
Sunday
11
Monday
12
Tuesday
13
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
1
0
1
4
2
2
3
2
1
3
2
1
1
2
1
4
3
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)
1.2
SSW
16
1.3
SSW
15
1.1
SW
14
1.7
SSW
17
1.7
SSW
16
1.5
SSW
16
1.6
SSW
16
1.7
SSW
16
1.5
SSW
16
1.4
SSW
15
1.2
SSW
15
0.9
SSW
14
0.7
SSW
14
0.4
SSW
18
0.6
SSW
17
1.3
SSW
16
1.9
SSW
18
1.5
SSW
16
1.3
SSW
16
0.9
SSW
15
Wave Graph
Metric surfscale
Energy kJ
715
784
476
1694
1550
1107
1343
1484
1136
941
653
330
178
108
229
788
2291
1194
778
372
Wind (km/h)
15
SE
15
ESE
20
ENE
25
ENE
15
NE
10
NE
15
ENE
10
NE
5
NE
20
ENE
5
NNW
5
N
10
SE
5
NE
15
NE
15
ENE
5
WNW
10
N
20
SW
10
SW
Wind State
on
cross-on
cross-on
cross
cross-off
cross
cross
cross
cross
cross
cross-off
glassy
on
glassy
cross-off
cross
glassy
cross-off
cross
cross
High Tide
1:35AM2.37m
2:04PM2.39m
2:24AM2.44m
2:50PM2.44m
3:08AM2.48m
3:33PM2.46m
3:51AM2.50m
4:13PM2.47m
4:32AM2.49m
4:51PM2.44m
5:13AM2.45m
5:29PM2.39m
Low Tide
7:27PM0.81m
7:50AM0.70m
8:16PM0.75m
8:38AM0.68m
9:00PM0.72m
9:23AM0.69m
9:43PM0.73m
10:06AM0.74m
10:24PM0.76m
10:47AM0.82m
11:05PM0.82m
11:27AM0.91m
11:45PM0.90m
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
clear
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
light rain
mod rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
7:00
—
—
6:58
—
—
6:56
—
—
6:54
—
—
6:52
—
—
6:50
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:55
—
—
7:57
—
—
7:59
—
—
8:00
—
—
8:01
—
—
8:02
—
—
8:04
—
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
5
7
Temp °C
14
10
8
9
10
12
12
10
13
12
11
18
17
13
15
16
12
21
15
9
Feels °C
11
7
3
4
8
8
9
7
10
8
10
17
15
12
12
13
11
17
11
5
  • 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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