Surf Forecasts:
Nera Rivermouth surf forecast from 12 Aug 2026:
- Best quality surf: Sunday 16 Aug, 2AM (local time) - 3ft (0.9m), 18s period, SSW swell with cross-offshore winds.
- Most powerful swell: Monday 17 Aug, 2AM (local time) - 4ft (1.2m), 18s period, SSW swell with 907 kJ wave energy.
- Next surfable swell (1★+): Sunday 16 Aug, 2AM (local time) - 3ft (0.9m), 18s 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 Sunday (Aug 16) at 2AM. The primary swell is predicted to be 0.9m and 18s period with a secondary swell of 1.1m and 8s. 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 1.2m 18s and forecast to arrive on Monday (Aug 17) at 2AM. 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 8s period and expected on Wednesday (Aug 19) at 8PM.
| Wave Type | Time (+11) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Sun 16th Aug) | 3ft (0.9m) 18s |
| Best Surf | 2AM (Sun 16th Aug) | 3ft (0.9m) 18s |
| Most Powerful | 2AM (Mon 17th Aug) | 4ft (1.2m) 18s |
Table - best surf conditions forecast for Nera Rivermouth over the next 16 days.
The Lowdown
Alright, let’s get real about the next couple of weeks. It’s a bit of a flat, frustrating stretch for the Nera Rivermouth area. We’ve got a long run of small, junky waves ahead, and honestly, most of the time you’ll be better off finding something else to do.
The next few days, starting Thursday the 13th, are looking pretty weak and messy. We’ll see some small, short-period swell rolling in, but the wind is going to be all over the place – cross-on and choppy. It’s the kind of stuff that just doesn’t have any push or shape. Swell energy is low to moderate, peaking around 698 (combined energy) on Friday afternoon, but it’s not going to save the day. That 4ft of SSW swell is just too disorganized with those 10-second intervals.
We’ve got a bit of a lull in the middle of all this – Saturday the 15th through to Monday the 24th. There's some surf, but it's really marginal. Wave heights bounce between 0.7ft and 4ft, and the wind is mostly cross-shore or cross-on, making it lumpy. Saturday the 22nd has a brief moment of glassy conditions on the morning, but the swell is a piddly 1ft – not worth getting wet for.
Now, the one glimmer on the horizon is the very end of the window, Thursday the 28th of August. That’s where we see a bit of a pulse – 6ft of SSW swell with an 11-second period, giving us a combined energy of 682. It's still not going to be epic, and the wind will be cross-shore, but it’s the most size we’ll see in these two weeks. Keep an eye on that one, but don’t book any time off work for it yet.
Bottom line: for the next two weeks, Nera Rivermouth is looking like a paddling pool, not a surf spot. The wave quality is consistently poor, and the swell is mostly small and weak. It’s one of those stretches where the forecast can change, but as it stands, there’s no day that stands out as a must-surf. The water temp is about average for this time of year, so if you do get out there, it won’t be a shock to the system.
I’d say save your energy and wait for something better. Rusty.
Short Range ForecastLight rain (total 2mm), mostly falling on Thu night. Warm (max 22°C on Thu morning, min 19°C on Thu night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 2mm), mostly falling on Sat night. Warm (max 21°C on Sun morning, min 18°C on Sat night). Winds increasing (light winds from the ESE on Sun morning, fresh winds from the SE by Mon morning). | ||||||||||||||||||
Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | ||||||||||||||
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 18 | SW 10 | SW 13 | SW 12 | SSW 11 | SSW 10 | SSW 8 | SSW 9 | SW 20 | SSW 18 | SSW 16 | SSW 15 | SSW 18 | SSW 16 | SSW 16 | S 15 | SSW 15 | SSW 15 | S 14 |
Wave Graph  | |||||||||||||||||||
 kJ | 30 | 82 | 290 | 314 | 242 | 339 | 188 | 243 | 107 | 497 | 575 | 411 | 907 | 870 | 715 | 0 | 417 | 305 | 0 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | on | on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-off | cross | cross | cross | cross | cross | cross-off | cross | cross | cross-off |
High Tide | 5:31AM1.26m | 6:56PM1.29m | 6:23AM1.23m | 7:35PM1.29m | 7:15AM1.18m | 8:12PM1.27m | 8:09AM1.12m | 8:49PM1.23m | 9:06AM1.04m | 9:26PM1.18m | 10:10AM0.97m | 10:04PM1.12m | |||||||
Low Tide | 11:48PM0.52m | 12:08PM-0.01m | 00:37AM0.48m | 12:51PM0.06m | 1:25AM0.44m | 1:33PM0.16m | 2:14AM0.41m | 2:15PM0.28m | 3:04AM0.39m | 2:57PM0.41m | 3:56AM0.38m | 3:43PM0.54m | 4:54AM0.38m | ||||||
 |  | |  |  |  |  |  | | | | | | | | | | | | |
 | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:20 | — | — | 6:20 | — | — | 6:20 | — | — |
 | — | — | 5:42 | — | — | 5:43 | — | — | 5:43 | — | — | 5:43 | — | — | 5:44 | — | — | 5:44 | — |
mm | — | — | — | 1 | 1 | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 22 | 22 | 20 | 20 | 20 | 20 | 21 | 21 | 19 | 21 | 21 | 20 | 21 | 20 | 19 | 20 | 21 | 19 |
Feels °C | 22 | 22 | 22 | 20 | 17 | 16 | 16 | 16 | 16 | 16 | 18 | 17 | 16 | 16 | 14 | 14 | 16 | 16 | 15 |
Swell 1 Height (m) Direction Period (s) | SSW 18 | SW 10 | SW 13 | SW 12 | SSW 11 | SSW 10 | SSW 8 | SSW 9 | SSW 9 | SSW 8 | SSW 16 | SSW 15 | S 8 | SSW 16 | SSW 16 | S 15 | S 9 | SSW 15 | S 14 |
| kJ | 30 | 82 | 290 | 314 | 242 | 339 | 188 | 243 | 232 | 184 | 575 | 411 | 212 | 870 | 715 | 1060 | 311 | 305 | 865 |
Swell 2 Height (m) Direction Period (s) | SSW 12 | SSW 16 | SW 20 | SSW 18 | SW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 18 | SSW 9 | SSW 9 | SSW 18 | SE 13 | S 16 | — | SSW 15 | S 12 | S 16 |
| kJ | 15 | 48 | 15 | 32 | 79 | 109 | 102 | 103 | 97 | 497 | 161 | 99 | 907 | 6 | 5 | — | 417 | 47 | 5 |
Swell 3 Height (m) Direction Period (s) | SW 9 | SE 13 | SE 13 | SE 12 | SE 12 | SE 11 | SE 13 | SW 22 | SW 20 | SW 11 | S 10 | SSW 20 | SE 13 | — | — | — | S 13 | — | — |
| kJ | 3 | 7 | 7 | 6 | 5 | 5 | 7 | 19 | 107 | 58 | 73 | 128 | 7 | — | — | — | 31 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | S 6 | — | — | SSW 8 | — | S 8 | SE 5 | S 8 | SSE 10 | SSE 9 | SSE 7 | SSE 7 | SSE 7 | SE 7 | — | S 9 | SSE 9 |
| kJ | — | — | 1 | — | — | 250 | — | 1 | 28 | 283 | 135 | 140 | 249 | 163 | 153 | 124 | — | 384 | 416 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 4 | 141 | 1292 | 543 | 1292 | 1292 | 1295 | 1318 | 1357 | 0 | 1295 | 1295 | 1295 | 1292 | 1292 | 1 | 1361 | 1361 | 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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