Nera Rivermouth Surf Break

Lat Long: 21.62° S 165.46° E

Nera Rivermouth Surf Forecast and Surf Report

Issued: 10 am 24 Aug 2026 (local time)

Forecast update in  hr  min

Today's Nera Rivermouth sea temperature is
22.5°C
0.1° 

Nera Rivermouth surf forecast from 24 Aug 2026:

  • Best quality surf: Tuesday 25 Aug, 2AM (local time) - 3ft (0.9m), 17s period, SSW swell with offshore winds.
  • Most powerful swell: Tuesday 25 Aug, 8AM (local time) - 4.5ft (1.3m), 15s period, SSW swell with 756 kJ wave energy.
  • Next surfable swell (1★+): Monday 24 Aug, 8PM (local time) - 1.5ft (0.5m), 19s period with SSW swell.

Best Forecast Surf Conditions for Nera Rivermouth this week:

The surf forecast for Nera Rivermouth over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Aug 24) at 8PM. The primary swell is predicted to be 0.5m and 19s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Nera Rivermouth in the next 16 days are 1.3m 15s and forecast to arrive on Tuesday (Aug 25) at 8AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 7s period and expected on Monday (Aug 31) at 5AM.

Wave TypeTime (+11) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Mon 24th Aug)1.5ft (0.5m) 19s
Best Surf 2AM (Tue 25th Aug)3ft (0.9m) 17s
Most Powerful 8AM (Tue 25th Aug)4.5ft (1.3m) 15s

Table - best surf conditions forecast for Nera Rivermouth over the next 16 days.


The Lowdown

Alright folks, Rusty here. Gotta be straight with you – this 16-day window for Nera Rivermouth is a real mixed bag, and a pretty frustrating one at that. Mostly, it's going to be a waiting game. We've got a solid pulse of groundswell pushing through mid-week, but the wind is going to be a constant battle. The real standout, and the only time I'd really get excited, is on the morning of Tuesday the 25th of August. The water temp is sitting at a pretty normal 73° for this time of year, nothing weird there.

Alright, let's break it down. We kick off on Monday the 24th, but it's a non-starter. Tiny 0.7ft of 18-19 second groundswell, and a cross-off breeze. The combined energy is a weak 32 (that's barely a ripple) and then 126. It's clean, but there's just nothing to ride. Forget it.

The first real hope comes on Tuesday morning the 25th. We've got a 4ft groundswell from the SSW with a sweet 15-second period, and the combined energy is a solid 746 – that's a proper pulse of energy. The wind is a light cross-off from the ESE, which will keep the river mouth pretty clean. This is the best window of the whole forecast. The afternoon stays rideable with the same 4ft swell, but that wind picks up to a moderate 12 mph, making it a bit lumpy. Still, the morning is your time.

Wednesday the 26th is still fun, with 4ft of the same 15-second SSW groundswell in the morning. The energy is still a decent 491. Light cross-off wind again. It's a good option if you missed Tuesday. The afternoon gets a bit more breeze on it.

Thursday the 27th starts off okay with 3ft of 15-second swell and a very light cross-off breeze (3 mph, almost glassy). The energy is down to 413, but it's clean. The afternoon turns to a cross-shore wind though, making it messy and poor.

Then it all goes pear-shaped. From Friday the 28th right through to the end of the first week of September, we get a mix of poor conditions. The swell drops off, the wind swings onshore or gets strong and cross-shore, and the quality just disappears. We get a blip of 5ft on the 2nd of September, but it's with a lumpy cross-shore wind, so it's a write-off for a paddle board. That kind of setup is more for the kite surfers.

The only other glimmer of hope is a surprise glass-off on the afternoon of Friday the 4th of September. The wind goes dead calm, and we get a clean 3ft of 18-second SSW groundswell. The combined energy is a solid 405. It's a long way out, but if that glass holds, it could be a sneaky, uncrowded session. The rest of the time after that is just small, choppy, or cross-off but tiny. It's a frustrating run, but that's the river mouth for you. It needs everything to line up.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 24°C on Mon morning, min 18°C on Tue night). Wind will be generally light.

Days 4-6 Weather Summary

Light rain (total 2mm), mostly falling on Sat morning. Warm (max 23°C on Thu morning, min 19°C on Thu night). Wind will be generally light.

Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
AM
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
2
2
2
2
2
2
2
2
0
1
0
0
1
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.2
SSW
18
0.3
SSW
19
0.9
SSW
17
1.3
SSW
15
1.3
SSW
14
1.2
SSW
15
1.1
SSW
15
1.1
SSW
14
0.9
SSW
15
0.9
SSW
15
0.9
SSW
15
0.7
SSW
14
0.6
SSW
13
0.5
SSW
13
0.6
SSW
16
0.9
SSW
15
0.9
SSW
14
0.9
SSW
13
1.4
S
7
0.9
SSW
12
0.9
SSW
11
Wave Graph
Metric surfscale
Energy kJ
32
74
492
746
640
636
491
472
408
408
339
213
137
90
198
0
285
242
0
242
170
Wind (km/h)
5
E
10
ESE
10
NE
10
ESE
15
ESE
10
ENE
10
ESE
10
ESE
10
NE
5
E
5
SSE
10
N
10
SW
10
SSW
5
E
15
S
20
SSE
20
SSE
25
SSE
25
SSE
20
SE
Wind State
cross-off
cross-off
off
cross-off
cross-off
off
cross-off
cross-off
off
cross-off
cross
cross-off
on
cross-on
glassy
cross-on
cross-on
cross
cross
cross
cross-off
High Tide
4:35PM1.03m
3:18AM1.07m
5:07PM1.08m
4:01AM1.10m
5:36PM1.12m
4:41AM1.13m
6:04PM1.16m
5:22AM1.14m
6:32PM1.19m
6:03AM1.14m
7:00PM1.21m
6:48AM1.12m
7:30PM1.21m
Low Tide
9:36AM0.24m
9:52PM0.67m
10:14AM0.20m
10:31PM0.63m
10:49AM0.17m
11:08PM0.59m
11:23AM0.16m
11:44PM0.54m
11:55AM0.17m
00:20AM0.50m
12:27PM0.21m
00:58AM0.45m
1:00PM0.27m
1:38AM0.40m
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
rain showers
clear
rain showers
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:15
6:13
6:13
6:13
6:11
6:11
6:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:45
5:45
5:45
5:46
5:46
5:46
5:47
 mm
1
1
Temp °C
24
24
22
23
23
20
22
23
21
23
23
22
22
22
20
21
21
20
21
21
19
Feels °C
24
23
22
23
21
19
21
22
21
23
23
24
22
21
21
19
19
17
16
16
15
  • 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 Nera Rivermouth Surf forecast

The above surf forecast table for Nera Rivermouth provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Nera Rivermouth can be found by selecting the local surf guide option on the grey menu. Our Nera Rivermouth 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 (Nera Rivermouth) 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 Nera Rivermouth 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 New Caledonia? If you are looking for accommodation near Nera Rivermouth, camping, hotels and holiday cottages in New Caledonia, consider staying in Poro which is 38 km (24 miles) away. Other places in and around New Caledonia where you can find information about places to rent, and car hire include Kouaoua which is 44 km (27 miles) away and Thio, 78 km (48 miles) away.

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