Surf Forecasts:
Nera Rivermouth surf forecast from 28 Aug 2026:
- Best quality surf: Wednesday 2 Sep, 5AM (local time) - 6.5ft (2.0m), 15s period, SSW swell with cross-offshore winds.
- Most powerful swell: Wednesday 2 Sep, 5AM (local time) - 6.5ft (2.0m), 15s period, SSW swell with 1,680 kJ wave energy.
- Next surfable swell (1★+): Monday 31 Aug, 11PM (local time) - 2.5ft (0.7m), 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 0.7m 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 2.0m 15s and forecast to arrive on Wednesday (Sep 02) at 5AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.1m 16s period and expected on Tuesday (Sep 01) at 8PM.
| Wave Type | Time (+11) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Mon 31st Aug) | 2.5ft (0.7m) 14s |
| Best Surf | 5AM (Wed 2nd Sep) | 6.5ft (2.0m) 15s |
| Most Powerful | 5AM (Wed 2nd Sep) | 6.5ft (2.0m) 15s |
Table - best surf conditions forecast for Nera Rivermouth over the next 16 days.
The Lowdown
Alright, this is Rusty, and right now we're looking at Nera Rivermouth. The next couple of weeks are gonna be a tough slog for the most part at this river and beach setup.
First up, the water temp is sitting at a normal 73°F for this time of year, so that's not gonna be an issue.
We start off with a real quiet spell. Friday afternoon the 28th has some tiny bump at 2ft from the SSW with a 13-second period, but combined wave energy is weak at 144 and the winds are onshore from the SW. It’s a no-go. Saturday the 29th and Sunday the 30th see the swell pick up to around 5ft-5ft, but it's all cross-onshore or cross winds making it choppy or worse. Monday the 31st stays messy with cross winds and only small, weak swell. The first few days of September are more of the same: Tuesday the 1st has a tiny, short-period swell that’s useless, and Thursday the 3rd has no swell at all.
Finally, there’s a real standout hiding in there. Wednesday morning the 2nd of September is the one to circle on your calendar. We get a clean 6ft swell from the SSW with a 14-second period – that's a proper groundswell. The combined wave energy is a very strong 1419. Winds are light and cross-offshore, so it should be clean. The direction matches the optimum from the SW. This is a very decent window for the more experienced surfers; that 6ft might be a bit much for beginners. Crowds are possible here, so get in early.
That little burst of good energy gives way to a long, flat gap. After that morning session, the rest of Wednesday the 2nd drops off to poor 4ft junk. We then go through a long stretch with just small, poor-condition waves. On Tuesday morning the 8th of September, it goes glassy with a 3ft, 17-second swell from the SSW. The energy is moderate at 404, but the period is very long. That long period groundswell might be a bit straight for the river mouth setup, but it’ll be glassy clean.
Overall, outside of that one Wednesday morning the 2nd, and maybe a chance early on the 8th if the tide works, it’s a pretty blank run. For this area, that’s not unusual.
Rusty, signing off.
Short Range ForecastLight rain (total 3mm), mostly falling on Fri night. Warm (max 21°C on Fri afternoon, min 18°C on Sun night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 22°C on Wed morning, min 18°C on Mon night). Wind will be generally light. | |||||||||||||||||||
Fri 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | ||||||||||||||
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 13 | SSW 12 | SW 9 | SSW 9 | SSW 12 | SSW 11 | SW 18 | SW 18 | SSW 16 | SSW 15 | SSW 14 | SSW 18 | SE 5 | SE 5 | SSW 14 | SE 5 | SSW 14 | SSW 14 | SSW 13 | SSW 12 |
Wave Graph  | ||||||||||||||||||||
 kJ | 90 | 55 | 338 | 398 | 811 | 582 | 13 | 12 | 50 | 123 | 207 | 0 | 83 | 52 | 1419 | 55 | 0 | 0 | 849 | 0 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-off | cross | cross | cross-off | cross-off | cross | cross-off | cross | cross | cross-off |
High Tide | 6:32PM1.19m | 6:03AM1.14m | 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 | |||||||
Low Tide | 00:20AM0.50m | 12:27PM0.21m | 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 | ||||||||
 |  | | |  | |  |  |  | | | | | | | | | | | | |
 | — | — | 6:11 | — | — | 6:09 | — | — | 6:09 | — | — | 6:07 | — | — | 6:07 | — | — | 6:05 | — | — |
 | 5:46 | — | — | 5:46 | — | — | 5:47 | — | — | 5:47 | — | — | 5:47 | — | — | 5:47 | — | — | 5:49 | — |
mm | — | 1 | — | — | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 20 | 21 | 20 | 20 | 21 | 20 | 19 | 20 | 21 | 19 | 21 | 21 | 20 | 22 | 22 | 21 | 22 | 22 | 21 |
Feels °C | 20 | 21 | 19 | 16 | 17 | 17 | 17 | 15 | 15 | 16 | 15 | 17 | 16 | 16 | 20 | 19 | 20 | 20 | 18 | 20 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | S 16 | SW 9 | SSW 9 | SSW 12 | SSW 11 | S 10 | SSW 11 | S 9 | SSW 15 | S 10 | SSW 18 | S 16 | SSW 16 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 12 |
| kJ | 90 | 179 | 338 | 398 | 811 | 582 | 530 | 452 | 220 | 123 | 219 | 1852 | 2131 | 1776 | 1419 | 1090 | 972 | 1075 | 849 | 528 |
Swell 2 Height (m) Direction Period (s) | SSW 16 | SW 5 | SSW 15 | SSW 14 | S 20 | S 19 | SW 18 | SW 18 | S 11 | SE 13 | SSW 14 | SE 12 | — | — | — | — | S 18 | — | — | E 13 |
| kJ | 51 | 14 | 231 | 247 | 8 | 7 | 13 | 12 | 59 | 7 | 207 | 6 | — | — | — | — | 154 | — | — | 3 |
Swell 3 Height (m) Direction Period (s) | SE 13 | SSW 12 | SE 12 | — | — | — | SE 15 | — | SSW 16 | — | SSW 21 | — | — | — | — | — | S 18 | — | — | — |
| kJ | 7 | 55 | 6 | — | — | — | 8 | — | 50 | — | 84 | — | — | — | — | — | 152 | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 4 | SW 6 | — | — | — | — | — | — | S 9 | S 9 | SSE 9 | — | SE 5 | SE 5 | — | SE 5 | — | — | SSE 4 | — |
| kJ | 3 | 42 | — | — | — | — | — | — | 275 | 258 | 232 | — | 83 | 52 | — | 55 | — | — | 5 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 550 | 543 | 543 | 1338 | 38 | 1297 | 1361 | 1357 | 1357 | 1338 | 0 | 1271 | 1271 | 1 | 0 | 858 | 1 | 38 | 858 | 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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