Surf Forecasts:
Nera Rivermouth surf forecast from 21 Aug 2026:
- Best quality surf: Tuesday 25 Aug, 2AM (local time) - 3.5ft (1.0m), 17s period, SSW swell with offshore winds.
- Most powerful swell: Tuesday 25 Aug, 8AM (local time) - 4.5ft (1.3m), 16s period, SSW swell with 817 kJ wave energy.
- Next surfable swell (1★+): Monday 24 Aug, 8PM (local time) - 1.5ft (0.5m), 19s 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 24) at 8PM. The primary swell is predicted to be 0.5m and 19s period. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Nera Rivermouth in the next 16 days are 1.3m 16s and forecast to arrive on Tuesday (Aug 25) at 8AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 8s period and expected on Saturday (Aug 22) at 5PM.
| Wave Type | Time (+11) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8PM (Mon 24th Aug) | 1.5ft (0.5m) 19s |
| Best Surf | 2AM (Tue 25th Aug) | 3.5ft (1.0m) 17s |
| Most Powerful | 8AM (Tue 25th Aug) | 4.5ft (1.3m) 16s |
Table - best surf conditions forecast for Nera Rivermouth over the next 16 days.
The Lowdown
G'day, Rusty here, lookin' at the Nera Rivermouth stretch for the next couple of weeks. Gotta be straight with ya, it's a real mixed bag and mostly a waiting game.
First thing to note, this spot is a sheltered river-and-beach setup, perfect for beginners, but it's inconsistent and can be a bit fickle. The water temp is about average for this time of year, so nothin' to write home about in that department.
We start off with a proper dry spell. From Saturday the 22nd right through Sunday the 23rd, there's just nothin' – zero surf. A couple of days of flat, calm conditions. Then Monday the 24th, we get a tiny little pulse, but it's a joke. Tuesday the 25th is where it finally gets interesting. We've got a 4 ft SSW swell rollin' in with a very long period of 15 seconds. That's proper groundswell, and it's pushin' moderate to strong wave energy (756) under a light breeze. The wind is cross-off, but with that long period and a SSW direction, it's gonna be a bit straight for this rivermouth. Still, for a beginner spot, this is about as good as it gets all week. Wednesday the 26th holds similar with a 4 ft SSW swell, still long period (15 seconds) and good energy (485). The morning of Thursday the 27th is a standout, with a light offshore breeze from the ENE and a 3 ft SSW swell at 15 seconds. That offshore wind will make the surface glassy clean, and the long period will give it some real push. The wave energy is still strong (413). This is your best window right here.
Then it fades away. Friday the 28th drops off, and from Saturday the 29th we're back into a long, flat lull that lasts through to the end of August. A week of nothing much.
Now, cast your eyes forward to the start of September. Tuesday the 1st of September sees a return of the SSW swell, with the afternoon pushin' 4 ft at 18 seconds and very strong energy (922). That's a solid combo. But the real highlight might be the morning of Wednesday the 2nd of September. Glassy conditions, a light breeze, and a 5 ft SSW swell. That's the biggest wave height of the whole forecast, and with glassy conditions, it'll be absolutely perfect for learning. The energy is strong (789) too. It's a fair way out, so keep an eye on it, but it's the one that's got me a little excited. After that, it gets messy again with cross-shore winds and drops off.
So, for the best on offer, I'm lookin' at Thursday the 27th of August morning for the cleanest conditions, and that Wednesday the 2nd of September morning for the biggest, cleanest swell. Get out there if you can.
Rusty.
Short Range ForecastSome drizzle, heaviest during Sun night. Warm (max 24°C on Mon morning, min 19°C on Sat morning). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 23°C on Tue morning, min 19°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | |||||||||||||||
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) | SSE 10 | SE 8 | SSE 10 | SSE 9 | SE 7 | S 10 | SSW 18 | SSW 20 | SSW 17 | SSW 15 | SSW 14 | SSW 15 | SSW 15 | SSW 14 | SSW 15 | SSW 15 | SSW 16 | SSW 14 | SSW 13 | SSW 13 | SSW 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 0 | 0 | 0 | 0 | 0 | 0 | 32 | 38 | 563 | 786 | 678 | 610 | 485 | 394 | 314 | 397 | 435 | 239 | 137 | 66 | 28 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | off | cross-off | cross-off | off | cross-off | cross-off | off | off | cross-off | off | cross-off | cross | off |
High Tide | 3:13PM0.95m | 1:37AM1.01m | 3:59PM0.99m | 2:31AM1.03m | 4:35PM1.03m | 3:18AM1.07m | 5:07PM1.08m | 4:01AM1.10m | 5:36PM1.12m | 4:41AM1.13m | 6:04PM1.16m | 5:22AM1.14m | 6:32PM1.19m | ||||||||
Low Tide | 8:01AM0.33m | 8:15PM0.73m | 8:52AM0.28m | 9:09PM0.70m | 9:36AM0.24m | 9:52PM0.67m | 10:14AM0.20m | 10:31PM0.63m | 10:49AM0.17m | 11:08PM0.59m | 11:23AM0.16m | 11:44PM0.54m | 11:55AM0.17m | 00:20AM0.50m | |||||||
 | |  | |  |  | | |  | | | | | | | | | | | | | |
 | 6:16 | — | — | 6:16 | — | — | 6:15 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — | 6:11 | — | — |
 | — | 5:45 | — | — | 5:45 | — | — | 5:45 | — | — | 5:45 | — | — | 5:45 | — | — | 5:46 | — | — | 5:46 | — |
mm | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 22 | 23 | 21 | 23 | 23 | 21 | 24 | 23 | 22 | 23 | 23 | 20 | 22 | 23 | 21 | 23 | 23 | 21 | 23 | 23 | 21 |
Feels °C | 20 | 21 | 20 | 23 | 23 | 23 | 24 | 23 | 23 | 23 | 22 | 19 | 22 | 22 | 20 | 22 | 22 | 21 | 23 | 22 | 21 |
Swell 1 Height (m) Direction Period (s) | SSE 10 | SE 10 | SSE 10 | SSE 9 | SSE 9 | SSE 6 | SSE 9 | SE 10 | SSW 17 | SSW 15 | SSW 14 | SSW 15 | SSW 15 | SSW 14 | SSW 15 | SSW 15 | SSW 16 | SSW 14 | SSW 13 | SSW 13 | SSE 6 |
| kJ | 92 | 94 | 81 | 53 | 73 | 16 | 32 | 47 | 563 | 786 | 678 | 610 | 485 | 394 | 314 | 397 | 435 | 239 | 137 | 66 | 12 |
Swell 2 Height (m) Direction Period (s) | S 10 | SSW 9 | S 9 | S 11 | S 10 | S 10 | S 9 | SSW 20 | SE 9 | SE 7 | SE 6 | SE 6 | SE 6 | SE 6 | SE 7 | SE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSW 15 |
| kJ | 47 | 28 | 13 | 21 | 18 | 17 | 6 | 38 | 40 | 23 | 19 | 18 | 9 | 21 | 21 | 10 | 15 | 17 | 16 | 12 | 74 |
Swell 3 Height (m) Direction Period (s) | S 13 | S 12 | S 12 | S 16 | S 16 | SE 9 | SSW 18 | SSW 17 | S 8 | SE 8 | SE 14 | SE 13 | SE 13 | — | SE 14 | SE 13 | SE 13 | SE 12 | ESE 9 | S 16 | SSW 12 |
| kJ | 13 | 12 | 11 | 5 | 5 | 13 | 32 | 27 | 1 | 11 | 7 | 7 | 7 | — | 8 | 7 | 7 | 6 | 15 | 21 | 28 |
Wind waves Height (m) Direction Period (s) | — | SE 8 | — | — | SE 7 | — | — | — | — | — | SE 6 | — | — | SE 7 | — | — | SE 6 | — | — | SE 5 | — |
| kJ | — | 210 | — | — | 123 | — | — | — | — | — | 77 | — | — | 97 | — | — | 64 | — | — | 45 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1 | 1 | 1 | 1 | 1 | 37 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1585 | 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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