Wainakarua River Mouth surfForecast / Otago / New Zealand

information circle12 Day Weather and Surf, issued 12 pm Monday 15 Dec 2025 NZDT
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
15.2° C
(Which is 3.4°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 Monday (Dec 15) at 7PM. The primary swell is predicted to be 1.5m and 6s period with a secondary swell of 0.1m and 13s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Wainakarua River Mouth in the next 12 days are 3.5m 12s and forecast to arrive on Monday (Dec 22) at 1AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.0m 6s period and expected on Monday (Dec 15) at 7PM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+) 7PM (Mon 15th Dec)5ft (1.5m) 6s
Best Surf 1AM (Mon 22nd Dec)11ft (3.5m) 12s
Most Powerful 1AM (Mon 22nd Dec)11ft (3.5m) 12s

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 Heavy rain (total 52mm), heaviest during Tue afternoon. Warm (max 20°C on Mon morning, min 9°C on Tue night). Wind will be generally light.

Days 3-6 Weather Summary Moderate rain (total 16mm), heaviest on Fri afternoon. Very mild (max 17°C on Thu morning, min 7°C on Fri night). Winds increasing (calm on Fri morning, strong winds from the SW by Sat afternoon).

Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
1
6
Swell
Height Map
Wave Height (m) & direction (?)
1.1
ENE
1.4
ENE
1.1
ENE
0.8
ENE
0.8
E
0.3
S
0.3
S
0.3
S
0.3
S
0.3
SE
0.6
ESE
0.6
ESE
0.3
SE
0.3
ESE
0.2
S
1.2
SSW
0.2
S
0.2
S
1.4
SSW
1.7
S
3.5
S
Period(s) (?)87878161514131010810714613138912
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1462071557174454037321763391591611013122264503401
Wind
(km/h)
15
N
30
NNE
15
S
10
NE
20
SE
20
SW
20
SSW
20
SSE
10
NW
5
NNE
15
NE
10
N
5
NNW
30
SW
30
WSW
20
W
40
SW
25
WSW
25
WSW
15
S
10
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
on
crosscross-
on
cross-
on
cross-
off
cross-
off
cross-
on
cross-
off
glasscross-
on
crossglasscross-
off
cross-
off
offcross-
off
cross-
off
cross-
off
crossoff
High Tide
/ height (m)
12:59PM
1.56
1:27AM
1.59
1:44PM
1.55
2:10AM
1.62
2:26PM
1.56
2:51AM
1.65
3:07PM
1.57
3:32AM
1.69
3:47PM
1.58
4:12AM
1.71
4:26PM
1.59
4:52AM
1.71
5:06PM
1.58
Low Tide
/ height (m)
7:01PM
0.36
7:26AM
0.41
7:43PM
0.36
8:11AM
0.42
8:25PM
0.36
8:54AM
0.41
9:06PM
0.35
9:38AM
0.40
9:48PM
0.34
10:21AM
0.40
10:31PM
0.34
11:05AM
0.40
11:14PM
0.33
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Sunrise5:41--5:41--5:43--5:43--5:43--5:43--5:43--
Sunset-9:19--9:20--9:21--9:21--9:22--9:22--9:22-
part cloud
part cloud
rain showers
thunderstorm
heavy rain
rain showers
part cloud
part cloud
part cloud
cloud
light rain
rain showers
light rain
mod rain
light rain
cloud
clear
clear
clear
part cloud
part cloud
Rain (mm)
--443113----11284------
Temp. °C202013141210141312171514169913139141611
Feels °C (?)151591185981014121216446428129
  • 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 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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