Surf Forecasts:
Nera Rivermouth surf forecast from 29 Aug 2026:
- Best quality surf: Tuesday 1 Sep, 5AM (local time) - 2.5ft (0.7m), 19s period, SSW swell with cross-offshore winds.
- Most powerful swell: Wednesday 2 Sep, 5PM (local time) - 5.5ft (1.7m), 14s period, SSW swell with 1,065 kJ wave energy.
- Next surfable swell (1★+): Monday 31 Aug, 11PM (local time) - 2.5ft (0.8m), 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 Monday (Aug 31) at 11PM. The primary swell is predicted to be 0.8m and 14s 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 1.7m 14s and forecast to arrive on Wednesday (Sep 02) at 5PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.0m 16s period and expected on Tuesday (Sep 01) at 5PM.
| Wave Type | Time (+11) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Mon 31st Aug) | 2.5ft (0.8m) 14s |
| Best Surf | 5AM (Tue 1st Sep) | 2.5ft (0.7m) 19s |
| Most Powerful | 5PM (Wed 2nd Sep) | 5.5ft (1.7m) 14s |
Table - best surf conditions forecast for Nera Rivermouth over the next 16 days.
The Lowdown
G’day, Rusty here. Look, I’ll be straight with you – this forecast is a bit of a tough one. For the Nera Rivermouth, we’ve got a long stretch of nothing much to get excited about for the next week and a half or so. The first decent looking window doesn’t show up until Sunday the 6th of September, so there’s a solid gap before anything worth paddling out for.
The water temp is sitting at 73°, which is pretty normal for this time of year, so no dramas there.
The only real standout in this whole 16-day run is Sunday morning, 6th of September. The swell is coming from the SSW at 5ft, with a long period of 15 seconds. That’s groundswell, and it’ll be packing some proper energy – the combined energy is sitting at 1001 (moderate). The wind is light from the ESE at 6 mph, offering a clean cross-offshore breeze, so the lineup should be looking glassy. The forecast says “expect very good surf conditions,” and with the river mouth setup, that long-period swell should wrap in nicely. Keep in mind, this spot is inconsistent and sheltered, so it’s not an everyday break – but when it lines up like this, it’s worth the wait. The SSW direction is a good match for the optimum SW swell direction. It’s a beginner-friendly spot, but at 5ft, it’s fine for most levels.
After that, the rest of the period is pretty ordinary. There’s a bit of a pulse on the 11th of September with 6ft SSW swell, but the wind is cranking from the SE at 19–22 mph, making it a lumpy, cross-shore mess. The waves are there, but the conditions are poor. The 12th and 13th are similar – plenty of swell energy (up to 1064, strong) but ruined by strong winds. Not worth the effort.
So, to sum it up: if you’re keen, circle Sunday the 6th of September. The rest of the run is a waiting game. Stay patient, mates.
Rusty
Short Range ForecastLight rain (total 2mm), mostly falling on Sun afternoon. Warm (max 21°C on Sun morning, min 18°C on Sun night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 22°C on Tue afternoon, min 19°C on Tue night). Wind will be generally light. | |||||||||||||||||||
Sat 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | ||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | SSW 9 | SSW 12 | SSW 11 | SSW 10 | SW 18 | SSW 16 | SSW 15 | SSW 14 | S 18 | SE 5 | SE 6 | SE 5 | SSW 14 | SSW 13 | SSW 13 | SSW 12 | S 12 | SSW 18 | SSW 12 | SSW 11 |
Wave Graph  | ||||||||||||||||||||
 kJ | 398 | 811 | 582 | 492 | 12 | 50 | 123 | 265 | 0 | 72 | 50 | 23 | 1065 | 836 | 692 | 0 | 0 | 32 | 152 | 47 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross-on | cross | cross | cross | cross | cross-off | cross | cross | cross-off | cross | cross | off | cross | cross | cross-off | cross-on | cross | cross-off |
High Tide | 7:00PM1.21m | 6:48AM1.12m | 7:30PM1.21m | 7:35AM1.08m | 8:01PM1.21m | 8:29AM1.04m | 8:36PM1.19m | 9:31AM1.00m | 9:18PM1.15m | 10:44AM0.97m | 10:08PM1.12m | 12:09PM0.97m | 11:11PM1.09m | |||||||
Low Tide | 00:58AM0.45m | 1:00PM0.27m | 1:38AM0.40m | 1:36PM0.35m | 2:21AM0.36m | 2:15PM0.44m | 3:10AM0.33m | 3:01PM0.54m | 4:07AM0.31m | 3:58PM0.63m | 5:14AM0.29m | 5:15PM0.69m | ||||||||
 |  |  |  |  | | |  | | | | | | | | | | | | | |
 | — | — | 6:09 | — | — | 6:09 | — | — | 6:07 | — | — | 6:07 | — | — | 6:05 | — | — | 6:05 | — | — |
 | 5:46 | — | — | 5:47 | — | — | 5:47 | — | — | 5:47 | — | — | 5:47 | — | — | 5:49 | — | — | 5:49 | — |
mm | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 20 | 21 | 20 | 19 | 20 | 20 | 19 | 21 | 22 | 20 | 21 | 21 | 21 | 22 | 22 | 20 | 22 | 22 | 20 |
Feels °C | 16 | 17 | 18 | 17 | 16 | 15 | 15 | 15 | 18 | 18 | 16 | 19 | 18 | 20 | 21 | 18 | 19 | 20 | 19 | 18 |
Swell 1 Height (m) Direction Period (s) | SSW 9 | SSW 12 | SSW 11 | SSW 10 | S 10 | S 9 | SSW 15 | S 10 | S 18 | S 16 | SSW 15 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 12 | S 12 | SSW 11 | SSW 12 | SSE 5 |
| kJ | 398 | 811 | 582 | 492 | 495 | 241 | 123 | 214 | 1810 | 2105 | 1730 | 1240 | 1065 | 836 | 692 | 545 | 418 | 217 | 152 | 17 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | S 20 | S 19 | SW 18 | SW 18 | SSW 11 | SE 13 | SSW 14 | SE 12 | — | — | — | — | — | — | — | SE 6 | S 15 | SSW 16 | S 12 |
| kJ | 247 | 8 | 7 | 13 | 12 | 40 | 7 | 265 | 6 | — | — | — | — | — | — | — | 32 | 17 | 26 | 72 |
Swell 3 Height (m) Direction Period (s) | SE 12 | S 20 | — | SW 18 | — | SSW 16 | — | SSW 20 | — | — | — | — | — | — | — | — | E 9 | SSW 18 | S 11 | SSW 11 |
| kJ | 6 | 8 | — | 13 | — | 50 | — | 131 | — | — | — | — | — | — | — | — | 2 | 32 | 9 | 47 |
Wind waves Height (m) Direction Period (s) | — | — | — | S 10 | — | S 9 | S 9 | SSE 9 | — | SE 5 | SE 6 | SE 5 | SSE 5 | — | — | — | — | — | SSE 5 | SE 5 |
| kJ | — | — | — | 656 | — | 287 | 288 | 314 | — | 72 | 50 | 23 | 25 | — | — | — | — | — | 39 | 30 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 1361 | 38 | 1297 | 1361 | 1340 | 1340 | 1338 | 0 | 1271 | 1271 | 1 | 1338 | 1549 | 0 | 38 | 1310 | 1 | 38 | 1310 | 1 |
Best forecast wave conditions in New Caledonia | ||||||||||||||||||||
Best forecast wave conditions in New Caledonia | ||||||||||||||||||||
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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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