Wainakarua River Mouth surfForecast / Otago / New Zealand

information circle16 Day Weather and Surf, issued 6 am Tuesday 17 Mar 2026 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
14.5° C
(Which is 1.7°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 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Mar 18) at 7AM. The primary swell is predicted to be 1.2m and 6s period with a secondary swell of 1.0m and 6s. Another secondary swell of 0.3m and 9s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Wainakarua River Mouth in the next 16 days are 1.0m 11s and forecast to arrive on Saturday (Mar 21) at 1PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Wednesday (Mar 18) at 1PM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+) 7AM (Wed 18th Mar)4ft (1.2m) 6s
Best Surf 4AM (Sat 21st Mar)2.5ft (0.8m) 12s
Most Powerful 1PM (Sat 21st Mar)3.5ft (1.0m) 11s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Very mild (max 18°C on Wed morning, min 10°C on Wed night). Winds decreasing (fresh winds from the S on Wed afternoon, light winds from the SSW by Thu night).

Days 3-6 Weather Summary Mostly dry. Very mild (max 16°C on Sat morning, min 10°C on Fri night). Wind will be generally light.

Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
1
1
1
2
2
0
1
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.7
S
0.6
S
0.5
S
0.8
ENE
1.1
S
0.6
E
0.5
S
0.5
S
0.5
S
0.4
SSE
0.3
S
0.6
E
0.9
ENE
0.9
ENE
0.9
E
1
E
0.9
E
0.9
ESE
0.7
ESE
0.7
ENE
0.5
ESE
Period(s) (?)11101065710101010131211111010109999
Wave
Graph
(?)Metric surfscale
Energy kJ (?)11673475051375250493429101202194167198154141867543
Wind
(km/h)
15
NNE
20
NE
15
N
20
S
35
S
10
NNE
20
NNE
25
ENE
10
S
5
SSE
10
ESE
10
NNW
5
N
10
ESE
5
W
5
S
10
E
0
SW
10
NNE
20
ENE
10
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
on
crosscrosscrosscross-
on
crosscross-
on
crosscross-
on
cross-
on
cross-
off
crosscross-
on
glassglassonglasscrosscross-
on
cross
High Tide
/ height (m)
2:54PM
1.67
3:18AM
1.78
3:33PM
1.74
3:58AM
1.81
4:15PM
1.79
4:39AM
1.82
5:00PM
1.83
5:24AM
1.81
5:48PM
1.84
6:13AM
1.77
6:40PM
1.82
7:06AM
1.71
7:39PM
1.79
Low Tide
/ height (m)
8:59PM
0.17
9:25AM
0.20
9:42PM
0.11
10:07AM
0.16
10:27PM
0.09
10:51AM
0.13
11:16PM
0.10
11:39AM
0.14
12:08AM
0.14
12:31PM
0.16
1:06AM
0.20
1:28PM
0.20
2:07AM
0.26
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Sunrise7:33--7:33--7:35--7:37--7:37--7:39--7:41--
Sunset-7:55--7:53--7:52--7:50--7:47--7:45--7:44-
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
Rain (mm)
---------------------
Temp. °C151517181611151512141411161512161512131413
Feels °C (?)1112151499111111121210141311131311101012
  • 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 16 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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