Surf Forecasts:
Nera Rivermouth surf forecast from 11 Sep 2026:
- Best quality surf: Monday 14 Sep, 5AM (local time) - 4.5ft (1.4m), 19s period, SSW swell with cross-offshore winds.
- Most powerful swell: Saturday 12 Sep, 11AM (local time) - 8ft (2.5m), 17s period, SSW swell with 4,090 kJ wave energy.
- Next surfable swell (1★+): Sunday 13 Sep, 8AM (local time) - 1.5ft (0.5m), 20s 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 (Sep 13) at 8AM. The primary swell is predicted to be 0.5m and 20s 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 2.5m 17s and forecast to arrive on Saturday (Sep 12) at 11AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 16s period and expected on Saturday (Sep 12) at 5PM.
| Wave Type | Time (+11) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Sun 13th Sep) | 1.5ft (0.5m) 20s |
| Best Surf | 5AM (Mon 14th Sep) | 4.5ft (1.4m) 19s |
| Most Powerful | 11AM (Sat 12th Sep) | 8ft (2.5m) 17s |
Table - best surf conditions forecast for Nera Rivermouth over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s look at what’s cookin’ for the only break in town.
So, we’re stuck looking at Nera Rivermouth. It’s a sheltered river and beach break, and it’s inconsistent, so don’t expect waves every day. It’s good for beginners when there’s something, and it needs a southwest swell to work.
Man, the first week is a write-off. From Saturday the 12th all the way through the end of the week, the conditions are just ugly. The wind is the main culprit. We’ve got a fresh breeze from the southeast kicking up a lumpy cross-chop nearly every day, and the tide is messing with what little swell there is. Saturday the 12th morning has a 8ft SSW swell, but with a 19 mph cross-shore wind, it’s just a bumpy, choppy mess. Not worth the effort. That repeats for Sunday the 13th through Friday the 18th. There’s some solid energy in the water, especially Monday the 14th morning (moderate wave energy at 1588) and Friday the 18th morning (strong energy at 1935), but the wind stays cross or cross-onshore, ruining any chance of a clean face.
But hold up. Look at Saturday the 26th afternoon. The wind finally plays nice and goes cross-offshore from the ESE at 16 mph. That’s a huge positive, keeping the surface glassy. We’ve got a 4ft SSW groundswell with a very long 21-second period, delivering strong energy (1384). That long period means the waves will have plenty of power and form, but at a river/beach break like this, it can sometimes make the waves jack up and close out. Still, with clean conditions, it’s the only standout in the whole run. Friday the 25th morning gives a little window with a light 9 mph cross-shore and a 3ft SSW swell (moderate energy at 435), but it’s only marginal. Saturday the 26th afternoon is the one to pencil in.
Water temp is about average for the time of year, so no need for a thick wetsuit.
This is a rough stretch for the Nera. The swell shows up, but with the wind and tide against us for so long, it’s looking more like a kite-surfing session than a paddle session for most of the fortnight. But forecasts can always change, and that last Saturday is a real glimmer of hope. Keep the fingers crossed.
- Rusty
Short Range ForecastMostly dry. Warm (max 22°C on Mon morning, min 19°C on Sat morning). Mainly fresh winds. | Days 4-6 Weather SummaryLight rain (total 5mm), mostly falling on Wed night. Warm (max 22°C on Tue morning, min 19°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | |||||||||||||||
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 17 | SSW 16 | SSW 16 | SSW 20 | SE 5 | SSW 16 | SSW 18 | S 17 | S 16 | S 14 | S 14 | S 13 | S 12 | SSW 15 | S 12 | SW 13 | SSW 18 | SSW 16 | SW 12 | SSW 14 | SSW 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 4090 | 0 | 0 | 407 | 22 | 0 | 1588 | 0 | 0 | 0 | 0 | 0 | 0 | 21 | 0 | 7 | 30 | 100 | 819 | 1423 | 3556 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-off | cross | cross | cross-off | cross | cross | cross-off | cross | cross | glassy | cross-on | cross | cross-on | on | on | on | on | on | cross-on |
High Tide | 6:49PM1.27m | 7:05AM1.16m | 7:21PM1.24m | 7:55AM1.11m | 7:53PM1.19m | 8:49AM1.05m | 8:27PM1.13m | 9:48AM0.99m | 9:04PM1.06m | 10:57AM0.95m | 9:48PM1.00m | 12:16PM0.93m | 10:46PM0.96m | ||||||||
Low Tide | 12:23PM0.22m | 00:57AM0.31m | 1:02PM0.32m | 1:39AM0.29m | 1:41PM0.43m | 2:22AM0.29m | 2:23PM0.54m | 3:09AM0.31m | 3:09PM0.63m | 4:02AM0.34m | 4:06PM0.70m | 5:04AM0.36m | 5:23PM0.74m | ||||||||
 | |  |  | | | | | | | |  | | |  |  | | |  | |  | |
 | 5:58 | — | — | 5:56 | — | — | 5:56 | — | — | 5:54 | — | — | 5:54 | — | — | 5:52 | — | — | 5:52 | — | — |
 | — | 5:51 | — | — | 5:51 | — | — | 5:51 | — | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 1 | — | 1 | 1 | — | — |
Temp °C | 21 | 21 | 19 | 21 | 21 | 20 | 22 | 21 | 21 | 22 | 22 | 21 | 22 | 22 | 21 | 22 | 22 | 20 | 19 | 20 | 20 |
Feels °C | 16 | 16 | 15 | 19 | 17 | 16 | 19 | 18 | 19 | 19 | 19 | 19 | 21 | 19 | 21 | 20 | 18 | 17 | 13 | 13 | 14 |
Swell 1 Height (m) Direction Period (s) | SSW 17 | SSW 16 | SSW 16 | SSW 14 | SSW 19 | SSW 16 | S 14 | S 17 | S 16 | S 14 | S 14 | S 13 | S 12 | S 12 | S 12 | S 10 | S 10 | SSW 16 | SW 12 | SSW 14 | SSW 13 |
| kJ | 4090 | 3267 | 2054 | 1106 | 2945 | 3188 | 1195 | 3157 | 1630 | 931 | 869 | 506 | 295 | 278 | 139 | 68 | 71 | 100 | 819 | 1423 | 3556 |
Swell 2 Height (m) Direction Period (s) | — | — | — | SSW 20 | — | — | SSW 18 | — | — | — | — | — | — | SSW 15 | SE 7 | SW 13 | SSW 18 | SSW 10 | SSW 14 | SW 11 | — |
| kJ | — | — | — | 407 | — | — | 1588 | — | — | — | — | — | — | 21 | 2 | 7 | 30 | 18 | 210 | 831 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 11 | SW 11 | S 13 | — | SSW 17 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 9 | 5 | 3 | — | 100 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SE 5 | SE 6 | SE 6 | SE 6 | SE 7 | SE 7 | S 14 | — | — | SSE 12 | — | — | SSE 6 | SSW 5 | — | SW 12 | — |
| kJ | — | — | — | — | 22 | 104 | 132 | 209 | 139 | 128 | 971 | — | — | 374 | — | — | 13 | 20 | — | 1009 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1361 | 1361 | 1 | 1297 | 1338 | 1 | 1297 | 1297 | 1 | 1295 | 1598 | 1 | 38 | 858 | 67 | 1295 | 1602 | 521 | 550 | 1292 | 1291 |
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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