Nera Rivermouth Surf Break

Lat Long: 21.62° S 165.46° E

Nera Rivermouth Surf Forecast and Surf Report

Issued: 10 am 21 Jul 2026 (local time)

Forecast update in  hr  min

Today's Nera Rivermouth sea temperature is
23.2° C
0.5° 

Nera Rivermouth surf forecast from 21 Jul 2026:

  • Best quality surf: Sunday 26 Jul, 11PM (local time) - 7ft (2.1m), 14s period, SSW swell with cross-offshore winds.
  • Most powerful swell: Sunday 26 Jul, 2PM (local time) - 8ft (2.5m), 14s period, SSW swell with 2,267 kJ wave energy.
  • Next surfable swell (1★+): Friday 24 Jul, 5AM (local time) - 2ft (0.6m), 14s 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 Friday (Jul 24) at 5AM. The primary swell is predicted to be 0.6m and 14s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Nera Rivermouth in the next 16 days are 2.5m 14s and forecast to arrive on Sunday (Jul 26) at 2PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.2m 9s period and expected on Wednesday (Jul 22) at 5AM.

Wave TypeTime (+11) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Fri 24th Jul)2ft (0.6m) 14s
Best Surf11PM (Sun 26th Jul)7ft (2.1m) 14s
Most Powerful 2PM (Sun 26th Jul)8ft (2.5m) 14s

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


The Lowdown

Alright, Rusty here. Let’s talk about what’s shaping up at Nera Rivermouth.

We’re starting off with a pretty quiet stretch. The first few days have some tiny waves, but nothing you’d bother paddling out for. The water is about 74°, which is pretty normal for this time of year.

Tuesday the 21st has some knee-high swell, but it’s messy with a cross-shore wind. Wednesday the 22nd looks cleaner with a cross-offshore breeze, but the swell just disappears. Thursday and Friday are glassy, but flat. There’s a real gap of nearly a week with no surf worth mentioning.

The first real pulse shows up on Sunday the 26th. The morning swell hits about 4ft from the SSW, but it’s lumpy and cross-shore. The afternoon gets bigger – 8ft from the SSW, with a 14-second period. That’s a ton of energy (2158) and it’s powerful, but at that size, it’s only for the experts. The wind is still cross-shore, so it’s not going to be perfect. This is a heavy river-mouth wave, and it’ll be a real challenge.

Monday the 27th holds that size, around 6ft, with a bit gentler breeze. Still a solid swell, but the conditions are just okay.

Now for the standout. The best window by far is the end of the first week into the start of the second. On Friday the 31st, we start to see the promise. The morning has a clean 3ft from the SSW with a light offshore wind from the NE. That’s a great sign. The afternoon gets better – 6ft, clean, light breeze, from the SSW. That’s a really good session.

But the real gold is Saturday, the 1st of August. The morning offers 8ft from the SSW, with a 14-second period, and the wind is light and cross-offshore. That’s a powerful groundswell, and the energy reading is 2200 – strong. This is going to be a proper, thumping wave at the rivermouth. The water will be clean, the lines will be long. For the experienced surfer, this is the one to circle. The afternoon holds the same size and quality. This is a big, clean, powerful swell, and it’s the best on offer by a long shot. The crowds are sometimes a thing here, so expect company.

Sunday the 2nd continues the run with 5ft to 6ft, clean and cross-offshore. Another solid day.

After that, the swell fades out quickly. Monday the 3rd has a tiny glassy pulse, but it’s small. Then we get a shift to onshore and cross-onshore winds from the 4th of August onwards, with some rain and choppy conditions. The run is over.

So, the call: the first week is a write-off except for the bigger, more challenging swell on the 26th and 27th. The true standout is the stretch from the 31st of July through the 2nd of August, with Saturday the 1st being the pick of the bunch – a powerful, clean, SSW groundswell with light winds. That’s the one to get excited about.

Rusty.

Short Range Forecast

Some drizzle, heaviest during Tue night. Warm (max 22°C on Tue afternoon, min 19°C on Wed night). Wind will be generally light.

Days 4-6 Weather Summary

Light rain (total 2mm), mostly falling on Sat morning. Warm (max 21°C on Fri morning, min 18°C on Sat night). Wind will be generally light.

Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
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
0
0
0
0
0
0
0
0
0
0
0
0
1
0
2
2
2
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
SSW
14
0.7
SSW
13
0.6
SSW
13
0.6
SSW
12
1.9
SE
8
0.5
S
16
0.8
SSE
8
0.3
SSW
15
0.7
SE
10
0.6
S
13
0.5
SSE
4
0.5
SSE
5
0.2
SSW
19
0.4
SW
17
0.5
SSW
18
1.2
SSW
16
2.4
SSW
14
1.9
SSW
13
1.8
SSW
14
1.9
SSW
14
1.7
SSW
13
Wave Graph
Metric surfscale
Energy kJ
361
187
135
115
0
0
0
42
0
0
7
12
34
76
178
731
2158
1294
1196
1286
903
Wind (km/h)
15
SSE
15
SE
15
ESE
20
ESE
15
ESE
5
ENE
5
E
10
SE
5
NE
5
S
10
S
5
ESE
20
SE
20
SE
10
ESE
15
SE
20
SE
10
SE
15
SE
15
SE
5
E
Wind State
cross
cross
cross-off
cross-off
cross-off
off
cross-off
cross
off
glassy
cross-on
cross-off
cross
cross
cross-off
cross
cross
cross
cross
cross
cross-off
High Tide
11:48AM0.92m
11:47PM1.14m
1:11PM0.90m
00:32AM1.10m
2:30PM0.92m
1:19AM1.07m
3:35PM0.95m
2:07AM1.06m
4:25PM0.99m
2:54AM1.07m
5:05PM1.02m
3:39AM1.09m
5:42PM1.05m
4:21AM1.11m
Low Tide
5:18PM0.54m
6:47AM0.39m
6:20PM0.64m
7:43AM0.34m
7:27PM0.69m
8:35AM0.30m
8:31PM0.71m
9:21AM0.26m
9:25PM0.70m
10:03AM0.21m
10:11PM0.68m
10:42AM0.17m
10:53PM0.67m
part cloud
part cloud
rain showers
clear
part cloud
part cloud
clear
cloud
part cloud
part cloud
clear
part cloud
rain showers
clear
rain showers
clear
clear
part cloud
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:35
6:33
6:33
6:33
6:33
6:33
6:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:34
5:34
5:35
5:35
5:35
5:36
5:36
 mm
1
1
1
Temp °C
21
22
21
21
22
21
21
21
21
21
21
20
21
21
20
20
21
19
20
20
19
Feels °C
21
21
19
18
19
19
20
20
21
21
20
18
18
18
18
17
18
17
16
16
17
  • 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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