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Surf Forecasts:

Catlins River Mouth surfForecast / Catlins / New Zealand

information circle12 Day Weather and Surf, issued 12 am Wednesday 14 Jan 2026 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
14.6° C
 (Which is 2.3°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 Wednesday (Jan 14) at 7AM. The primary swell is predicted to be 0.7m and 10s period with a secondary swell of 0.5m and 9s. 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 1.4m 14s and forecast to arrive on Thursday (Jan 15) at 10AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 9s period and expected on Thursday (Jan 15) at 1AM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+) 7AM (Wed 14th Jan)2.5ft (0.7m) 10s
Best Surf 1PM (Wed 14th Jan)1.5ft (0.5m) 16s
Most Powerful10AM (Thu 15th Jan)4.5ft (1.4m) 14s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Light rain (total 4mm), mostly falling on Thu night. Very mild (max 14°C on Wed morning, min 10°C on Wed night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Very mild (max 12°C on Sat afternoon, min 9°C on Sun night). Wind will be generally light.

Wednesday
14
Thursday
15
Friday
16
Saturday
17
Sunday
18
Monday
19
Tue
20
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
1
1
1
2
0
0
0
0
0
0
0
0
1
1
0
0
1
0
2
1
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.8
SSE
0.7
SW
0.8
SSW
1.3
SSW
1.4
SSW
1.3
SSW
1.1
SSW
1
SSW
0.9
SSW
0.6
SW
0.6
SW
0.6
SW
1
SSW
1
SSW
0.9
SSW
0.6
SW
0.7
ESE
0.7
ESE
0.6
SW
0.8
SSW
1.1
SSW
Period(s) (?)910151414141313121212121211111088141413
Wave
Graph
(?)Metric surfscale
Energy kJ (?)90102259722778603427312233116114114274234164696873149236437
Wind
(km/h)
10
NNW
10
WSW
10
SSW
10
SE
15
ESE
25
E
25
ENE
15
E
10
SE
10
SSE
10
SSE
10
SSE
10
S
10
ESE
15
E
10
NE
5
SSW
15
S
10
WSW
10
SW
15
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offcross-
off		crossoncross-
on		cross-
on		cross-
on		cross-
on		ononononcross-
on		oncross-
on		crossglasscross-
on		cross-
off		crosscross-
on
High Tide
/ height (m)
12:36AM
2.16
12:57PM
2.14
1:27AM
2.18
1:46PM
2.16
2:14AM
2.20
2:31PM
2.18
2:58AM
2.22
3:13PM
2.20
3:39AM
2.24
3:51PM
2.22
4:17AM
2.27
4:28PM
2.24
4:55AM
2.29
5:05PM
2.27
Low Tide
/ height (m)
6:44AM
1.20
7:13PM
1.12
7:40AM
1.17
8:02PM
1.06
8:28AM
1.11
8:46PM
0.99
9:10AM
1.03
9:27PM
0.92
9:48AM
0.96
10:05PM
0.85
10:24AM
0.89
10:44PM
0.80
11:01AM
0.85
Wednesday
14
Thursday
15
Friday
16
Saturday
17
Sunday
18
Monday
19
Tue
20
Sunrise-6:05--6:07--6:07--6:09--6:11--6:11--6:13-
Sunset--9:31--9:31--9:30--9:30--9:30--9:29--9:28
cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
------22-------------
Temp. °C131414111112121111111112111111111212111313
Feels °C (?)111312977788889887899999
  • 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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View detailed surf forecast for Catlins River Mouth at:
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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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