Nera Rivermouth Surf Break

Lat Long: 21.62° S 165.46° E

Nera Rivermouth Surf Forecast and Surf Report

Issued: 4 am 02 Aug 2026 (local time)

Forecast update in  hr  min

Today's Nera Rivermouth sea temperature is
23.0° C
0.4° 

Nera Rivermouth surf forecast from 1 Aug 2026:

  • Best quality surf: Tuesday 4 Aug, 5AM (local time) - 2.5ft (0.8m), 20s period, SSW swell with cross-offshore winds.
  • Most powerful swell: Tuesday 4 Aug, 2PM (local time) - 3ft (0.9m), 18s period, SSW swell with 531 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 4 Aug, 5AM (local time) - 2.5ft (0.8m), 20s 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 Tuesday (Aug 04) at 5AM. The primary swell is predicted to be 0.8m and 20s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Nera Rivermouth in the next 16 days are 0.9m 18s and forecast to arrive on Tuesday (Aug 04) 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 2.5m 12s period and expected on Sunday (Aug 02) at 11AM.

Wave TypeTime (+11) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Tue 4th Aug)2.5ft (0.8m) 20s
Best Surf 5AM (Tue 4th Aug)2.5ft (0.8m) 20s
Most Powerful 2PM (Tue 4th Aug)3ft (0.9m) 18s

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


The Lowdown

Alright, this is Rusty. Let’s have a look at what’s on the table for the Nera Rivermouth.

We’re kickin’ off a pretty quiet spell here. For the first week or so, it’s a bit of a bust. We’ve got a stretch from Sunday the 2nd right through to Tuesday the 11th where the waves are just too small or the conditions are messy. A lot of cross-shore wind and barely any push. You’ll see days with swell heights at zero or under 1 ft, and the combined energy is weak, well under 100 (0-96). It’s a long gap with nothing worth paddling out for.

Then things start to look a little more promising. On Wednesday the 12th morning, we start seeing some life. The swell bumps up to 2 ft from the SW with a moderate 11-second period, and the combined energy jumps to 123 – that’s moderate energy. It’s still just “surfable but ordinary” conditions though, so nothin’ to get too excited about.

Now, The real standout window shapes up for Thursday the 13th morning. We’ve got a clean 4 ft SSW groundswell with an 11-second period. The wind is a light offshore from the NNE at 6 mph. That’s clean, lined-up, and the combined energy is a solid 466. For a sheltered river-mouth spot, that’s a good little pulse. The water temp is about 73°, which is pretty average for this time of year. This is the moment to be out there. Keep in mind this break is inconsistent, so you might get some lulls between sets, but when it comes, it’s your best bet.

Further out, on Sunday the 16th morning, the swell really starts to kick. We’re talking 7 ft SSW groundswell with a long 15-second period. The combined energy is huge – 1955. The wind is a near-glass from the E, so it’ll be clean. That’s proper groundswell power. By the afternoon, it pushes to 8 ft SSW with the same long period and energy of 2749 – that’s very strong. This is expert territory for sure, especially at a river mouth, which can handle that long-period direction better. Expect excellent, powerful waves, but only for experienced surfers. Monday the 17th morning will still hold at 7 ft with a 13-second period and strong energy at 1802, before it fades off quickly.

So, for the whole outlook: there’s a big dry spell up front. The best windows for a paddle are Thursday the 13th morning for the clean shoulder-high sets, and the weekend of the 16th/17th for the bigger, more powerful groundswell – that one’s only for the crew who know what they’re doing.

Rusty.

Short Range Forecast

Some drizzle, heaviest during Mon night. Warm (max 21°C on Mon afternoon, min 18°C on Sun morning). Winds decreasing (fresh winds from the SE on Sun afternoon, light winds from the ENE by Tue night).

Days 4-6 Weather Summary

Mostly dry. Warm (max 22°C on Thu afternoon, min 18°C on Wed morning). Wind will be generally light.

Sunday
2
Monday
3
Tuesday
4
Wednesday
5
Thursday
6
Friday
7
Saturday
8
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
1
1
0
1
0
0
0
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)
2.5
S
12
2.3
S
11
0.1
SW
20
0.1
SW
18
0.3
SSW
22
0.7
SSW
21
0.8
SSW
19
0.9
SSW
18
0.8
SSW
16
0.8
SSW
16
0.8
SSW
15
0.6
SSW
14
0.5
SSW
13
0.4
SSW
13
0.3
SSW
13
0.2
SSW
12
0.2
SSW
12
0.4
SSW
10
0.4
SW
9
0.4
SSW
10
0.7
SSW
11
Wave Graph
Metric surfscale
Energy kJ
0
0
15
12
96
378
402
491
310
291
270
163
102
0
32
14
13
42
21
38
103
Wind (km/h)
25
SE
30
SE
20
ESE
15
SE
20
SE
15
ESE
15
SE
15
SE
5
NE
10
ESE
10
SE
10
E
10
E
10
ESE
10
ENE
10
E
10
ESE
10
ENE
5
ENE
10
NE
5
E
Wind State
cross
cross
cross-off
cross
cross
cross-off
cross
cross
glassy
cross-off
cross
cross-off
cross-off
cross-off
off
cross-off
cross-off
off
off
off
cross-off
High Tide
8:52PM1.18m
8:34AM1.01m
9:25PM1.18m
9:32AM0.96m
10:02PM1.17m
10:43AM0.92m
10:45PM1.16m
12:05PM0.92m
11:37PM1.14m
1:31PM0.95m
00:36AM1.14m
2:48PM1.01m
1:40AM1.16m
Low Tide
2:07PM0.27m
2:54AM0.53m
2:42PM0.35m
3:44AM0.48m
3:22PM0.44m
4:40AM0.43m
4:11PM0.53m
5:42AM0.37m
5:15PM0.62m
6:48AM0.30m
6:35PM0.67m
7:53AM0.21m
7:56PM0.69m
cloud
part cloud
part cloud
clear
clear
rain showers
clear
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
cloud
cloud
part cloud
part cloud
rain showers
mod rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:30
6:28
6:28
6:28
6:28
6:26
6:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:37
5:38
5:38
5:39
5:39
5:39
5:40
 mm
1
1
7
Temp °C
19
20
19
20
21
20
20
21
20
21
21
20
21
22
20
21
22
21
20
20
20
Feels °C
13
13
13
17
17
17
17
17
18
19
18
19
20
21
18
20
20
21
20
21
21
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
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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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