Catlins River Mouth surfForecast / Catlins / New Zealand

information circle12 Day Weather and Surf, issued 6 pm Wednesday 03 Dec 2025 NZDT
Forecast update in hr  min  s Forecast update imminent
Catlins River Mouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Catlins River Mouth sea temperature is
13.7° C
(Which is 2.8°C warmer than normal for this time of year)


Best Forecast Surf Conditions for Catlins River Mouth this week:

The surf forecast for Catlins River Mouth over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Dec 04) at 1AM. The primary swell is predicted to be 0.4m and 15s period with a secondary swell of 0.5m and 10s. Another secondary swell of 0.4m and 9s is also forecast. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Catlins River Mouth in the next 12 days are 4.0m 12s and forecast to arrive on Saturday (Dec 06) at 10AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 7s period and expected on Sunday (Dec 07) at 4PM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+) 1AM (Thu 4th Dec)1.5ft (0.4m) 15s
Best Surf10AM (Sat 6th Dec)13ft (4.0m) 12s
Most Powerful10AM (Sat 6th Dec)13ft (4.0m) 12s

Table - best surf conditions forecast for Catlins River Mouth over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 20°C on Fri morning, min 8°C on Wed night). Winds increasing (calm on Thu afternoon, strong winds from the WSW by Fri afternoon).

Days 3-6 Weather Summary Light rain (total 6mm), mostly falling on Sat night. Warm (max 23°C on Sun afternoon, min 10°C on Sat night). Mainly fresh winds.

Wed
03
Thursday
04
Friday
05
Saturday
06
Sunday
07
Monday
08
Tuesday
09
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
1
1
1
1
2
0
1
!
0
1
1
1
0
1
0
1
1
0
2
2
Swell
Height Map
Wave Height (m) & direction (?)
0.4
SSW
0.4
SSW
0.4
SW
0.4
SW
0.6
E
0.8
E
1.4
SW
1.4
SW
4
SW
2.5
SW
0.9
SSW
0.7
ENE
0.8
ENE
0.5
SW
1.3
SW
0.4
SW
0.5
SE
0.6
SE
0.5
SW
0.8
SW
1.1
SSW
Period(s) (?)161514139971112131377157141211151516
Wave
Graph
(?)Metric surfscale
Energy kJ (?)10285544661108203423472220082825159110167546794104262620
Wind
(km/h)
10
SE
5
WNW
5
SW
5
SW
5
NNW
20
NNW
40
WSW
30
W
25
WSW
25
S
20
NNE
10
N
15
N
30
W
15
WSW
10
SSE
10
NW
15
NNE
15
NE
10
NW
15
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
onglassglassglassoffoffcross-
off
cross-
off
cross-
off
cross-
on
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
onoffcross-
off
crossoffoff
High Tide
/ height (m)
2:34AM
2.54
2:59PM
2.50
3:30AM
2.58
3:53PM
2.52
4:27AM
2.58
4:48PM
2.51
5:23AM
2.55
5:42PM
2.48
6:19AM
2.49
6:37PM
2.43
7:13AM
2.41
7:34PM
2.36
8:08AM
2.33
Low Tide
/ height (m)
8:24PM
0.74
8:55AM
0.77
9:18PM
0.67
9:49AM
0.75
10:12PM
0.63
10:42AM
0.74
11:06PM
0.62
11:35AM
0.75
12:01AM
0.64
12:29PM
0.79
12:57AM
0.68
1:24PM
0.84
1:54AM
0.75
Wed
03
Thursday
04
Friday
05
Saturday
06
Sunday
07
Monday
08
Tuesday
09
Sunrise--5:43--5:43--5:43--5:41--5:41--5:41--5:41
Sunset9:16--9:17--9:19--9:20--9:21--9:22--9:22--
cloud
part cloud
part cloud
part cloud
part cloud
cloud
clear
clear
part cloud
cloud
light rain
cloud
part cloud
rain showers
clear
part cloud
cloud
cloud
part cloud
part cloud
light rain
Rain (mm)
----------4--2------1
Temp. °C111114151420171415141221232116151217201920
Feels °C (?)8912131316107981020201812121013171417
  • Map Icons:
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  • 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 12 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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