Wainakarua River Mouth surfForecast / Otago / New Zealand

information circle12 Day Weather and Surf, issued 5 am Wednesday 17 Sep 2025 NZST
Forecast update in hr  min  s Forecast update imminent
Wainakarua River Mouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Wainakarua River Mouth sea temperature is
9.9° C
(Which is 1.2°C warmer than normal for this time of year)


Best Forecast Surf Conditions for Wainakarua River Mouth this week:

The surf forecast for Wainakarua River Mouth over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Sep 17) at 12PM. The primary swell is predicted to be 0.5m and 9s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Wainakarua River Mouth in the next 12 days are 1.5m 13s and forecast to arrive on Thursday (Sep 18) at 3PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.0m 7s period and expected on Wednesday (Sep 17) at 12PM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+)12PM (Wed 17th Sep)1.5ft (0.5m) 9s
Best Surf 6AM (Fri 19th Sep)7ft (2.2m) 9s
Most Powerful 3PM (Thu 18th Sep)5ft (1.5m) 13s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Very mild (max 18°C on Wed morning, min 4°C on Thu night). Mainly strong winds.

Days 3-6 Weather Summary Mostly dry. Very mild (max 15°C on Sat afternoon, min 7°C on Sun night). Wind will be generally light.

Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
1
0
0
0
1
2
0
3
2
0
0
2
2
2
1
0
1
0
0
1
Swell
Height Map
Wave Height (m) & direction (?)
1.3
NE
1.1
ENE
0.4
SSE
0.4
SSE
1.5
S
1.8
S
1.4
SSE
1.3
SSE
1.3
SSE
1.1
SSE
0.7
SSE
0.4
SSE
1.5
ENE
1.5
ENE
1.1
ENE
0.7
ENE
0.6
E
0.8
ENE
0.5
ENE
0.2
S
0.8
SSE
Period(s) (?)68991399101313131381098955145
Wave
Graph
(?)Metric surfscale
Energy kJ (?)108142282882450930732053038414964284383184685632151528
Wind
(km/h)
15
NNE
20
SW
10
NNW
15
WSW
45
SW
35
SW
10
W
25
NE
15
N
5
NNW
25
NNE
15
N
5
WNW
10
WSW
10
NNW
5
NW
20
NE
5
WNW
5
WNW
25
SSE
15
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offcross-
on
cross-
off
cross-
off
cross-
on
crossglasscross-
off
cross-
off
cross-
off
cross-
on
cross-
off
cross-
off
crosscross-
off
High Tide
/ height (m)
11:43AM
1.80
12:05AM
1.70
12:35PM
1.82
12:55AM
1.73
1:21PM
1.83
1:39AM
1.75
2:04PM
1.82
2:21AM
1.75
2:44PM
1.79
3:01AM
1.74
3:22PM
1.75
3:41AM
1.72
4:01PM
1.70
Low Tide
/ height (m)
5:53PM
0.26
6:11AM
0.18
6:44PM
0.23
7:00AM
0.16
7:30PM
0.21
7:46AM
0.15
8:12PM
0.20
8:28AM
0.16
8:52PM
0.21
9:09AM
0.19
9:31PM
0.23
9:50AM
0.23
10:11PM
0.27
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Sunrise6:35--6:33--6:31--6:30--6:28--6:26--6:24--
Sunset-6:25--6:28--6:29--6:30--6:30--6:31--6:34-
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
part cloud
cloud
clear
clear
clear
part cloud
cloud
part cloud
cloud
mod rain
Rain (mm)
--------------------8
Temp. °C181610141169961315111415914141215128
Feels °C (?)1512771-34218961112811991364
  • 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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Eyeball surf reportRecent Eyeball Surf Reports for Otago

  1. weather stationWind Update Offshore wind reported 13 km from Dunedin - St Clair (light winds from the N at Port Chalmers wx 13 km from Dunedin - St Clair). 1.1m 9s swell from the S with a 0.8m 14s groundswell from the SSW and a 0.4m 10s swell from the ESE. 3 swells combining so expect closeout sets.

    Dunedin - St Clair
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38 km away, 1 h 11 min ago

11 km/h
ESE
0.0
9.9
Air / Water (°C)
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Information about the Wainakarua River Mouth Surf forecast

The above surf forecast table for Wainakarua 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 Wainakarua River Mouth can be found by selecting the local surf guide option on the grey menu. Our Wainakarua 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 (Wainakarua 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 Wainakarua 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.

Are you planning a holiday in Otago? If you are looking for accommodation near Wainakarua River Mouth, camping, hotels and holiday cottages in Otago, consider staying in Dunedin which is 72 km (45 miles) away.

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