Wharariki Beach Surf Break

Lat Long: 40.51° S 172.67° E

Wharariki Beach Surf Forecast and Surf Report

Issued: 5 pm 25 Aug 2026 (local time)

Forecast update in  hr  min

Today's Wharariki Beach sea temperature is
13.7°C
0.7° 

Wharariki Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Wharariki Beach surf forecast from 25 Aug 2026:

  • Best quality surf: Monday 31 Aug, 3AM (local time) - 10ft (3.0m), 14s period, W swell with cross-shore winds.
  • Most powerful swell: Monday 31 Aug, 6AM (local time) - 10ft (3.0m), 15s period, W swell with 3,629 kJ wave energy.
  • Next surfable swell (1★+): Sunday 30 Aug, 6PM (local time) - 5.5ft (1.7m), 9s period with W swell.

Best Forecast Surf Conditions for Wharariki Beach this week:

The surf forecast for Wharariki Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Aug 30) at 6PM. The primary swell is predicted to be 1.7m and 9s period with a secondary swell of 0.8m and 11s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Wharariki Beach in the next 16 days are 3.0m 15s and forecast to arrive on Monday (Aug 31) at 6AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 8s period and expected on Monday (Aug 31) at 12AM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+) 6PM (Sun 30th Aug)5.5ft (1.7m) 9s
Best Surf 3AM (Mon 31st Aug)10ft (3.0m) 14s
Most Powerful 6AM (Mon 31st Aug)10ft (3.0m) 15s

Table - best surf conditions forecast for Wharariki Beach over the next 16 days.


The Lowdown

Alright, Rusty here. Let’s have a look at what we’ve got on offer for the next couple of weeks.

Right out of the gate, it’s a bit of a tough stretch. The pattern for the first week or so is dominated by strong, messy winds and lumpy conditions, so don’t expect much in the way of quality surf. We’re looking at a long gap here with no real recommendations until the end of the month.

The main spot on the radar is Wharariki Beach. It’s an exposed, consistent break that’s best with a NW swell direction. The water temp is sitting at about 57°, which is pretty much average for this time of year, so no surprises there.

For the first few days, it’s all about those strong winds. Tuesday the 25th sees a 6ft W swell but has a 25 mph cross-shore wind, creating messy cross-chop. Wednesday the 26th isn’t much better, with 5ft to 7ft W swells and even stronger cross or cross-onshore winds. Thursday the 27th offers a brief drop in swell size (3ft to 4ft) and cleaner conditions with a cross-offshore ESE breeze, but the energy is weak (310 to 438), so it’s not going to be doing much. Friday the 28th gets a serious bump in size – a 13ft NNW swell, but with a 37 mph onshore wind, it’s a complete mess and only for the crazy ones. The combined wave energy is very strong (3421), but the wind ruins it.

We finally see a light at the end of the tunnel. The standout is Monday morning, the 31st of August. That’s the one to circle. We’ve got an 8ft W swell with a 15-second period – that’s proper groundswell, full of energy (3221), and it’s paired with a light ESE breeze of just 6 mph blowing cross-offshore. The conditions are forecast as excellent for experienced surfers. This will be big, clean, and powerful. Because it’s a long-period groundswell, it might wall up on the beach, so it’ll be best for those with some experience. Crowds are never an issue here, which is a bonus.

After that, the following week gets a bit more mixed. Tuesday the 1st of September morning has a smaller 4ft W swell with 15-second period and a glassy 3 mph cross-offshore wind – could be a nice, clean session on the smaller stuff. The rest of the week up to the 7th is either too windy or messy, with most afternoons getting blown out. There’s another little window on Saturday morning, the 5th of September, with a 7ft W swell (2488 energy) and a gentle 9 mph ESE cross-offshore breeze – that’s another good option for experienced surfers, but it’s further out and less certain.

All in all, the best bet is Monday the 31st of August morning at Wharariki Beach. It’s a genuine, clean, powerful west swell with light offshore winds. Don’t waste your time on the rest of the first week.

Rusty

Short Range Forecast

Heavy rain (total 24mm), heaviest during Fri morning. Very mild (max 17°C on Wed night, min 10°C on Wed night). Mainly near gales.

Days 5-7 Weather Summary

Moderate rain (total 13mm), heaviest on Sun afternoon. Very mild (max 14°C on Fri afternoon, min 8°C on Sun night). Winds decreasing (strong winds from the WNW on Fri afternoon, light winds from the ESE by Mon morning).

Tue
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
31
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
1
0
0
0
0
0
0
0
0
1
0
0
1
0
0
4
5
2
4
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.9
W
15
1.9
W
14
1.6
W
14
2.1
W
14
1.6
WNW
7
1.1
W
10
1
W
10
1.8
NW
9
4
NNW
10
3
NNW
10
1.5
W
13
1.5
W
11
1.2
W
10
0.7
W
18
0.8
W
18
0.7
W
16
2.5
W
13
2.5
W
15
2.3
W
16
1.9
W
15
Wave Graph
Metric surfscale
Energy kJ
1513
1431
1041
1731
225
226
188
540
3421
1742
749
496
277
332
390
254
2466
3221
2524
1618
Wind (km/h)
35
W
40
WSW
30
WNW
45
WNW
20
W
35
ESE
30
ESE
35
N
55
NNW
40
WNW
30
W
30
W
30
W
20
W
25
W
40
SW
15
WSW
5
ESE
30
SW
10
SSE
Wind State
cross
cross-off
cross-on
cross
cross
cross-off
cross-off
on
on
cross
cross
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
off
High Tide
8:29PM2.75m
8:49AM2.73m
9:09PM2.94m
9:28AM2.90m
9:45PM3.11m
10:04AM3.05m
10:20PM3.24m
10:38AM3.16m
10:54PM3.33m
11:13AM3.23m
11:28PM3.36m
11:49AM3.25m
00:04AM3.32m
Low Tide
2:42AM0.68m
2:56PM0.57m
3:22AM0.48m
3:34PM0.40m
3:58AM0.30m
4:10PM0.25m
4:33AM0.16m
4:45PM0.16m
5:07AM0.07m
5:20PM0.12m
5:42AM0.05m
5:57PM0.14m
clear
part cloud
light rain
rain showers
light rain
light rain
light rain
light rain
heavy rain
clear
clear
part cloud
clear
clear
part cloud
mod rain
rain showers
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:03
7:01
7:00
6:58
6:56
6:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:58
5:59
6:00
6:00
6:01
6:02
6:04
 mm
1
1
4
1
1
1
15
7
6
Temp °C
13
13
14
14
17
11
11
14
14
14
13
12
12
12
12
11
9
9
10
9
Feels °C
5
7
7
6
14
4
7
8
8
7
5
6
5
5
6
3
5
4
3
5
  • 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 Wharariki Beach Surf forecast

The above surf forecast table for Wharariki Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Wharariki Beach can be found by selecting the local surf guide option on the grey menu. Our Wharariki Beach 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 (Wharariki Beach) 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 Wharariki Beach 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 Nelson - West Coast? If you are looking for accommodation near Wharariki Beach, camping, hotels and holiday cottages in Nelson - West Coast, consider staying in Nelson which is 100 km (62 miles) away.

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