Surf Forecasts:
Nera Rivermouth surf forecast from 12 Sep 2026:
- Best quality surf: Monday 14 Sep, 2AM (local time) - 8ft (2.4m), 16s period, SSW swell with cross-offshore winds.
- Most powerful swell: Saturday 19 Sep, 8AM (local time) - 10ft (3.0m), 13s period, SSW swell with 3,066 kJ wave energy.
- Next surfable swell (1★+): Monday 14 Sep, 2AM (local time) - 8ft (2.4m), 16s 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 (Sep 14) at 2AM. The primary swell is predicted to be 2.4m and 16s 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 3.0m 13s and forecast to arrive on Saturday (Sep 19) at 8AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 13s period and expected on Saturday (Sep 19) at 8PM.
| Wave Type | Time (+11) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Mon 14th Sep) | 8ft (2.4m) 16s |
| Best Surf | 2AM (Mon 14th Sep) | 8ft (2.4m) 16s |
| Most Powerful | 8AM (Sat 19th Sep) | 10ft (3.0m) 13s |
Table - best surf conditions forecast for Nera Rivermouth over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s have a look at what’s cookin’ over the next couple of weeks.
Honestly, mate, it’s gonna be a tough run for any kind of decent paddle. This stretch is mostly a write-off for proper surf. We’ve got a few windows where there’s some size, but the wind and conditions just won’t line up for a clean wave. There’s a massive gap in any real recommendations from now up until around the middle of the month, so you’re lookin’ at a lot of flat or messy days.
That first bit of hope pops up on Monday the 14th in the morning. Nera Rivermouth might see some swell around 5 ft from the SSW, with a very long period of 18 seconds and strong wave energy (1588). That’s a powerful groundswell, but the cross-shore wind is blowin’ a moderate 16 mph, which is gonna chop it up. It’s one of the better-looking swells on offer, but the texture won't be clean. The water temp is about 73°, which is pretty much normal for this time of year.
The next little flurry of size hits on Friday the 18th afternoon, with SSW swell filling in to 8 ft and a 14-second period, energy hitting 2454. That’s a lot of power, but again, it’s got a cross-onshore wind at 16 mph making it choppy. Too big and blown out for fun surfing.
Saturday the 19th morning is the standout for pure size, with 10 ft of SSW swell and a 13-second period, punchin’ in at 3000 energy. That’s heavy, expert-only territory. But the cross-onshore wind at 12 mph is gonna make it a messy, choppy beast. The afternoon is similar at 8 ft. This setup looks way more interesting for kite surfing than a paddle session.
After that, it drops away quickly into small, weaker stuff with sketchy winds for the rest of the run. There just isn’t a clean, glassy window to chase.
Stay patient, but I wouldn’t hold my breath.
Rusty.
Short Range ForecastMostly dry. Warm (max 22°C on Mon morning, min 19°C on Sun night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 6mm), mostly falling on Wed night. Warm (max 22°C on Wed morning, min 18°C on Thu night). Winds increasing (light winds from the E on Wed morning, fresh winds from the SSW by Fri afternoon). | ||||||||||||||||||||
Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | |||||||||||||||
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 20 | SE 6 | SSW 16 | SSW 18 | SSW 17 | SSW 16 | S 14 | SSW 14 | S 13 | S 12 | SSW 15 | S 12 | SW 13 | SW 17 | SSW 16 | SSW 9 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 18 |
Wave Graph  | |||||||||||||||||||||
 kJ | 407 | 77 | 2943 | 1588 | 0 | 0 | 0 | 512 | 0 | 0 | 21 | 0 | 7 | 11 | 98 | 331 | 2248 | 2962 | 3000 | 2440 | 121 |
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 | glassy | cross-on | cross | cross | cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross |
High Tide | 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 | 1:34PM0.94m | 11:55PM0.94m | ||||||||
Low Tide | 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 | 6:13AM0.37m | 6:49PM0.75m | ||||||||
 |  |  | | | | | |  | | |  | | |  | | | | | | | |
 | 5:56 | — | — | 5:56 | — | — | 5:54 | — | — | 5:54 | — | — | 5:52 | — | — | 5:52 | — | — | 5:50 | — | — |
 | — | 5:51 | — | — | 5:51 | — | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 4 | — | — | 2 | — | — | — | — | — | — |
Temp °C | 21 | 21 | 20 | 22 | 21 | 20 | 22 | 22 | 20 | 22 | 22 | 21 | 22 | 21 | 19 | 20 | 20 | 19 | 21 | 21 | 20 |
Feels °C | 18 | 16 | 16 | 18 | 18 | 17 | 19 | 18 | 18 | 20 | 19 | 20 | 20 | 18 | 17 | 15 | 14 | 14 | 17 | 16 | 17 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | S 19 | SSW 16 | S 14 | SSW 17 | SSW 16 | S 14 | SSW 14 | S 13 | S 12 | S 12 | S 12 | S 10 | S 10 | SSW 16 | SW 12 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 12 |
| kJ | 1106 | 3167 | 2943 | 1195 | 2735 | 1493 | 931 | 512 | 581 | 295 | 180 | 180 | 68 | 48 | 98 | 244 | 2248 | 2962 | 3000 | 2440 | 1316 |
Swell 2 Height (m) Direction Period (s) | SSW 20 | — | — | SSW 18 | — | — | — | — | SSE 7 | — | SSW 15 | S 11 | SW 13 | SW 17 | SSW 10 | SSW 14 | SW 12 | SE 12 | SE 12 | SE 12 | SSW 18 |
| kJ | 407 | — | — | 1588 | — | — | — | — | 78 | — | 21 | 9 | 7 | 11 | 18 | 210 | 116 | 5 | 6 | 6 | 121 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | S 10 | SW 11 | S 13 | SE 11 | S 16 | SW 19 | SE 13 | — | — | SE 16 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 2 | 5 | 3 | 5 | 195 | 90 | 7 | — | — | 10 |
Wind waves Height (m) Direction Period (s) | — | SE 6 | — | — | SSE 6 | — | — | S 14 | — | SE 6 | SSE 4 | — | — | SSW 3 | SSW 5 | SSW 9 | — | — | — | — | — |
| kJ | — | 77 | — | — | 130 | — | — | 988 | — | 19 | 7 | — | — | 2 | 39 | 331 | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1361 | 1361 | 0 | 1297 | 1297 | 1 | 1295 | 1371 | 1 | 38 | 858 | 141 | 1295 | 543 | 543 | 1292 | 1329 | 1291 | 1291 | 1585 | 38 |
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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