Surf Forecasts:
Nera Rivermouth surf forecast from 6 Aug 2026:
- Best quality surf: Thursday 13 Aug, 5AM (local time) - 4ft (1.2m), 12s period, SSW swell with cross-offshore winds.
- Most powerful swell: Thursday 13 Aug, 5AM (local time) - 4ft (1.2m), 12s period, SSW swell with 397 kJ wave energy.
- Next surfable swell (1★+): Wednesday 12 Aug, 8PM (local time) - 2ft (0.6m), 11s period with SW 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 Wednesday (Aug 12) at 8PM. The primary swell is predicted to be 0.6m and 11s period with a secondary swell of 0.4m and 8s. Another secondary swell of 0.2m and 6s is also forecast. 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 12s and forecast to arrive on Thursday (Aug 13) 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 0.8m 9s period and expected on Friday (Aug 07) at 8PM.
| Wave Type | Time (+11) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8PM (Wed 12th Aug) | 2ft (0.6m) 11s |
| Best Surf | 5AM (Thu 13th Aug) | 4ft (1.2m) 12s |
| Most Powerful | 5AM (Thu 13th Aug) | 4ft (1.2m) 12s |
Table - best surf conditions forecast for Nera Rivermouth over the next 16 days.
The Lowdown
Alright, I’ll level with you – this stretch is looking bleak for Nera Rivermouth over the next 16 days. Water temp is about 73°F, which is dead average for this time of year, so nothing odd there. But almost every day in the forecast is tagged “poor surf conditions,” and it’s easy to see why.
The only real chance you’ve got is Thursday, 15 August. Saturday morning, the swell bumps up to 6ft from the SSW with a 13-second period, and the combined energy hits 1192 – that’s strong stuff. But the wind is cross-on at 9 mph from the south, and since this is a river and beach break that’s already inconsistent, it’s going to be lumpy and messy. That size is a bit much for beginners, and the cross-on wind will chop it up. Saturday afternoon drops to 6ft, still cross-on, with energy even higher at 1249, but it’s only rated “marginal.” If you’re an expert and really itching, you might find a couple of rides, but don’t expect magic.
Before that, from now through the 14th, it’s all 0.7ft to 2ft waves, weak energy, and winds that are cross or cross-on – just nothing to work with. After the 15th, it goes back to tiny swell and onshore winds, with nothing happening right through to the 21st. There’s a long, dry gap here.
So, the honest truth: there’s no standout session. The 15th is the only flicker, and it’s a messy one. For a spot that’s already inconsistent, this kind of quiet run isn’t too surprising. Forecasts can change, but right now, I’d save the energy.
Rusty.
Short Range ForecastSome drizzle, heaviest during Sat night. Warm (max 23°C on Sat morning, min 19°C on Thu night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 22°C on Sun afternoon, min 19°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Thursday 6 | Friday 7 | Saturday 8 | Sunday 9 | Monday 10 | Tuesday 11 | Wednesday 12 | |||||||||||||||
AM | 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 13 | SSW 13 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 14 | SSW 13 | SSW 10 | SSW 9 | SSW 16 | SSW 9 | SSW 15 | SSW 8 | SSW 8 | SSW 8 | SW 14 | SW 10 | SW 11 | SSW 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 102 | 0 | 32 | 14 | 14 | 25 | 12 | 21 | 18 | 9 | 7 | 25 | 8 | 21 | 6 | 6 | 8 | 8 | 37 | 64 | 215 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | off | off | off | off | cross-off | glassy | cross-on | cross | cross-off | cross-on | cross | glassy | cross-on | cross-on | cross | cross | cross | cross-off |
High Tide | 12:05PM0.92m | 11:37PM1.14m | 1:31PM0.95m | 00:36AM1.14m | 2:48PM1.01m | 1:40AM1.16m | 3:51PM1.09m | 2:43AM1.19m | 4:44PM1.16m | 3:42AM1.23m | 5:31PM1.22m | 4:37AM1.25m | 6:15PM1.27m | ||||||||
Low Tide | 5:15PM0.62m | 6:48AM0.30m | 6:35PM0.67m | 7:53AM0.21m | 7:56PM0.69m | 8:52AM0.12m | 9:06PM0.66m | 9:47AM0.04m | 10:05PM0.62m | 10:37AM-0.01m | 10:58PM0.57m | 11:24AM-0.03m | 11:48PM0.52m | ||||||||
 |  |  | | | |  | |  | | | | | | | | | | | | | |
 | 6:28 | — | — | 6:26 | — | — | 6:26 | — | — | 6:26 | — | — | 6:24 | — | — | 6:24 | — | — | 6:24 | — | — |
 | — | 5:39 | — | — | 5:39 | — | — | 5:40 | — | — | 5:40 | — | — | 5:40 | — | — | 5:42 | — | — | 5:42 | — |
mm | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 22 | 22 | 20 | 22 | 21 | 20 | 23 | 23 | 21 | 21 | 22 | 20 | 21 | 22 | 20 | 21 | 21 | 20 | 22 | 22 | 21 |
Feels °C | 20 | 19 | 19 | 20 | 18 | 19 | 23 | 24 | 22 | 20 | 21 | 19 | 21 | 21 | 20 | 22 | 21 | 20 | 22 | 21 | 21 |
Swell 1 Height (m) Direction Period (s) | SE 7 | SSE 7 | SE 7 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 12 | SE 12 | SE 11 | S 5 | SSW 8 | SSW 8 | S 6 | SW 10 | SW 8 | SSW 13 |
| kJ | 54 | 32 | 23 | 64 | 84 | 65 | 42 | 40 | 21 | 20 | 13 | 39 | 22 | 19 | 5 | 6 | 6 | 3 | 32 | 24 | 215 |
Swell 2 Height (m) Direction Period (s) | SSW 13 | SSW 13 | S 14 | S 11 | S 12 | SSW 11 | S 11 | S 11 | SSW 13 | SSW 10 | SSW 9 | SSW 9 | SSW 9 | SSW 8 | SSW 8 | S 5 | S 6 | SW 7 | SSW 19 | SW 11 | SW 10 |
| kJ | 102 | 55 | 63 | 41 | 44 | 25 | 9 | 9 | 18 | 9 | 7 | 8 | 8 | 7 | 6 | 2 | 3 | 2 | 37 | 64 | 100 |
Swell 3 Height (m) Direction Period (s) | S 18 | S 16 | SSW 13 | SSW 12 | SSW 12 | SW 18 | SSW 11 | SSW 14 | S 10 | SSE 14 | SE 14 | SSW 16 | S 4 | SSW 15 | SSE 12 | SE 11 | SW 15 | SW 14 | SW 13 | SSW 19 | SSE 4 |
| kJ | 6 | 43 | 32 | 14 | 14 | 12 | 12 | 21 | 2 | 19 | 7 | 25 | 1 | 21 | 13 | 5 | 8 | 8 | 7 | 36 | 1 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | ENE 3 | — | — | — | — | — | S 3 | — | — | S 5 | — | — | — | — | — | SSE 6 | — |
| kJ | — | — | — | — | 1 | — | — | — | — | — | 2 | — | — | 5 | — | — | — | — | — | 4 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 37 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 4 | 38 | 1292 | 1 | 141 | 864 | 65 | 65 | 1271 | 115 | 38 | 864 | 0 |
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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