Wainui Bay Chalet Surf Break

Lat Long: 38.67° S 178.09° E

Wainui Bay Chalet Surf Forecast and Surf Report

Issued: 5 pm 04 Aug 2026 (local time)

Forecast update in  hr  min

Today's Wainui Bay Chalet sea temperature is
13.6° C
0.6° 

Wainui Bay Chalet surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Wainui Bay Chalet surf forecast from 4 Aug 2026:

  • Best quality surf: Wednesday 5 Aug, 3PM (local time) - 13ft (4.0m), 12s period, S swell with cross-shore winds.
  • Most powerful swell: Wednesday 5 Aug, 9AM (local time) - 16ft (5.0m), 12s period, S swell with 6,678 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 5 Aug, 3PM (local time) - 13ft (4.0m), 12s period with S swell.

Best Forecast Surf Conditions for Wainui Bay Chalet this week:

The surf forecast for Wainui Bay Chalet over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Aug 05) at 3PM. The primary swell is predicted to be 4.0m and 12s period with a secondary swell of 3.0m and 12s. The wind is predicted to be cross-shore as the swell arrives.

The most powerful waves expected at Wainui Bay Chalet in the next 16 days are 5.0m 12s and forecast to arrive on Wednesday (Aug 05) at 9AM. 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 2s period and expected on Saturday (Aug 08) at 9PM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+) 3PM (Wed 5th Aug)13ft (4.0m) 12s
Best Surf 3PM (Wed 5th Aug)13ft (4.0m) 12s
Most Powerful 9AM (Wed 5th Aug)16ft (5.0m) 12s

Table - best surf conditions forecast for Wainui Bay Chalet over the next 16 days.


The Lowdown

Alright, Rusty here. Let’s cut straight to the chase for this stretch of coast.

Right now, we’re in a bit of a lull – nothing worth paddling out for on the 4th or 5th. That’s a tough couple of days with a big, messy southerly swell and howling crosswinds, making for some real slop. The water temp is sitting at 57°F, which is pretty normal for this time of year, so nothing out of the ordinary there.

The first real crack at something decent comes on Friday morning (7th August). Wainui Bay Chalet will start to clean up nicely. We’ve got a 4ft swell from the SE, but the real winner is the offshore NW wind at just 6 mph, treating it properly. That light breeze and clean face are going to make for some fun, tidy waves. It’s an exposed spot so it’s grabbing everything, and with a period around 10 seconds, it will have a bit of push. This is the standout of the first week – a proper window of clean surf.

The weekend holds up too. Saturday morning (8th August) is a repeat of the same magic: 4ft of SE swell and light offshore NW winds. Clean as a whistle. It’s not huge, but it’s workable and you’ll have some space if you’re early. Sunday (9th) gets a bit smaller dropping to 3ft - 3ft, but still offshore winds so it’ll be fun for a longboard or a fish.

Monday the 10th and Tuesday the 11th turn a bit average again with onshores and shorter period slop, so the window closes pretty quick. After that, we see another clean spell from Wednesday (12th) through to Thursday (13th) with waist high, clean surf on offer thanks to light offshores. Consistent but nothing to write home about.

Now, roll into the second week and things get serious. By Saturday the 15th, the swell pumps up. The morning is a solid 7ft from the ESE under a light NW offshore. This is pushing the limits for intermediates, but for an experienced surfer in the know, this has some grunt. The combined swell energy is sitting at 887 (moderate), and that swell direction is dead on for the optimal S to SSE direction for this spot, so it’s wrapping in nicely. The wind is clean. This could be the session of the outlook period.

Sunday the 16th through Monday the 17th gets even bigger – we’re talking 10ft to 12ft of ESE swell. That’s expert level only, folks. The energy numbers are up in the thousands – 4178 on Sunday afternoon (strong), which means a lot of moving water. The wind is still offshore, but that’s serious, raw power. If you’re not comfortable in overhead surf, stay on the beach for this one.

Tuesday the 18th keeps the size at 8ft to 10ft with a clean NW offshore. Still big, still for the experienced crew, but the period drops to 10 seconds so it’s not as drawn out as a long-period groundswell.

By Wednesday the 19th, it’s starting to drop back to a more manageable 6ft - 7ft, but the wind builds to a fresh 16 - 19 mph, which puts a chop over the top. The window of true quality is definitely the 15th morning through the 16th morning. Mark that in your calendar, but as always, that’s a long-range call, so keep your ear to the ground.

Rusty.

Short Range Forecast

Moderate rain (total 15mm), heaviest on Tue afternoon. Very mild (max 10°C on Thu afternoon, min 5°C on Tue night). Winds decreasing (strong winds from the SSW on Tue night, calm by Fri morning).

Days 5-7 Weather Summary

Light rain (total 7mm), mostly falling on Sun night. Very mild (max 15°C on Sat afternoon, min 7°C on Fri night). Wind will be generally light.

Tue
4
Wednesday
5
Thursday
6
Friday
7
Saturday
8
Sunday
9
Monday
10
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
!
!
!
2
3
3
1
4
3
2
2
2
2
1
0
0
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
3.5
S
10
4.5
S
11
5
S
12
4
S
12
3.5
S
12
3
S
11
1.8
S
11
1.4
SE
10
1.3
SE
10
1
SSE
16
1.6
SE
14
1.2
SE
13
1.2
SE
12
1
SE
11
0.9
SE
11
0.8
SE
10
0.6
SSE
13
0.6
SE
12
1.4
S
6
2
S
8
Wave Graph
Metric surfscale
Energy kJ
2408
4668
6678
4443
2934
2223
762
420
328
487
920
471
421
242
166
127
116
108
141
579
Wind (km/h)
40
SSW
40
SW
45
SSW
35
SSW
25
SW
20
WSW
20
SSW
10
WNW
10
NW
15
ENE
10
NW
10
NW
10
NNE
20
NW
15
N
15
NNW
20
NNE
20
SSW
15
SSW
15
WSW
Wind State
cross
cross
cross-on
cross
cross
cross-off
cross
cross-off
off
cross-on
off
off
cross-off
off
cross-off
cross-off
cross-off
cross-on
cross-on
cross-off
High Tide
10:23PM1.98m
10:42AM1.92m
11:05PM1.95m
11:28AM1.91m
11:47PM1.92m
12:16PM1.90m
00:32AM1.88m
1:05PM1.89m
1:22AM1.83m
1:58PM1.86m
2:20AM1.79m
2:55PM1.84m
Low Tide
4:05PM0.52m
4:41AM0.50m
4:47PM0.51m
5:24AM0.47m
5:31PM0.52m
6:09AM0.46m
6:20PM0.54m
6:56AM0.45m
7:14PM0.57m
7:47AM0.47m
8:12PM0.60m
8:44AM0.49m
9:16PM0.63m
rain showers
rain showers
rain showers
rain showers
rain showers
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
cloud
cloud
rain showers
rain showers
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:05
7:05
7:03
7:01
7:01
7:00
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:20
5:21
5:22
5:22
5:23
5:24
5:25
 mm
3
7
1
2
2
5
2
Temp °C
7
7
8
8
9
9
10
7
8
9
9
13
15
11
14
15
14
11
12
10
Feels °C
-2
-4
-2
0
2
3
4
3
5
5
5
10
11
7
11
12
12
7
8
6
  • 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 Wainui Bay Chalet Surf forecast

The above surf forecast table for Wainui Bay Chalet provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Wainui Bay Chalet can be found by selecting the local surf guide option on the grey menu. Our Wainui Bay Chalet 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 (Wainui Bay Chalet) 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 Wainui Bay Chalet 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.

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