Surf Forecasts:
Tenia surf forecast from 18 Aug 2026:
- Best quality surf: Thursday 20 Aug, 5AM (local time) - 5.5ft (1.7m), 9s period, SE swell with cross-offshore winds.
- Most powerful swell: Tuesday 18 Aug, 5PM (local time) - 10ft (3.0m), 12s period, SSE swell with 2,315 kJ wave energy.
- Next surfable swell (1★+): Thursday 20 Aug, 5AM (local time) - 5.5ft (1.7m), 9s period with SE swell.
Best Forecast Surf Conditions for Tenia this week:
The surf forecast for Tenia over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Aug 20) at 5AM. The primary swell is predicted to be 1.7m and 9s period with a secondary swell of 1.1m and 9s. Another secondary swell of 0.9m and 12s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Tenia in the next 16 days are 3.0m 12s and forecast to arrive on Tuesday (Aug 18) at 5PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Saturday (Aug 22) at 11AM.
| Wave Type | Time (+11) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Thu 20th Aug) | 5.5ft (1.7m) 9s |
| Best Surf | 5AM (Thu 20th Aug) | 5.5ft (1.7m) 9s |
| Most Powerful | 5PM (Tue 18th Aug) | 10ft (3.0m) 12s |
Table - best surf conditions forecast for Tenia over the next 16 days.
The Lowdown
Alright, this is Rusty. Let’s have a look at what’s coming up for Tenia.
The next couple of weeks are a bit of a mixed bag, and honestly, the start is pretty ugly. We’ve got a big pulse of swell hitting early on the 18th, but the wind is just howling from the SE at 25 mph, creating messy, cross-chop conditions. That 10ft SSE swell has a moderate period of 12 seconds, and the combined wave energy is strong at 5421, but the wind is so bad that it’s not worth paddling out unless you want a fight. The water temp is sitting at 73°, about average for this time of year. The rest of that first week into the 19th and 20th is a struggle, with onshore winds and lumpy surf, though the morning of the 20th does see a dip in wind to just 3 mph, but the swell is small and weak with only 772 energy.
Now, here’s where it gets interesting. If you can wait, the afternoon of Monday the 24th is the standout of the entire forecast. We’ve got a very clean, glassy day with a long-period groundswell from the SSW at 20 seconds. The swell height is only 2ft, but the period is so long that it’ll wrap in beautifully at this reef break (Tenia). The winds are virtually nothing from the east, and the wave energy is a moderate 442. This is a session for the connoisseur – a clean, lined-up wave, perfect for an intermediate surfer.
The morning of Tuesday the 25th also looks promising, with a bigger 5ft SSW swell, also with a long 15-second period, and light winds, giving a combined energy of 1076. It’s a bit more size, but still manageable and clean. After that, the second week fades fast. Swell drops, winds turn cross or onshore again, and by the end of August and into September, it’s mostly flat and choppy. The long-range blip on Wednesday the 2nd of September shows a 5ft SW swell with a 12-second period, but the cross-shore wind from the SE kills the quality.
Overall, the best bet is to pencil in Monday the 24th for a clean, long-period session at Tenia. The 25th morning is a close second for a bit more size. The first week is a write-off for any decent paddling.
- Rusty
Short Range ForecastMostly dry. Warm (max 22°C on Thu afternoon, min 17°C on Wed night). Winds decreasing (fresh winds from the SE on Tue morning, light winds from the SSE by Thu morning). | Days 4-6 Weather SummaryMostly dry. Warm (max 24°C on Sun afternoon, min 18°C on Fri night). Winds decreasing (fresh winds from the ESE on Fri morning, light winds from the ENE by Sat night). | ||||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | |||||||||||||||
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 12 | SSE 12 | SSE 10 | SSE 9 | SSW 13 | SE 10 | SE 8 | SE 9 | SSE 10 | SE 8 | S 10 | SE 11 | SE 10 | SSE 10 | SE 8 | SE 8 | SSE 9 | SE 9 | SE 8 | SSW 20 | SSW 17 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2518 | 2315 | 1086 | 817 | 538 | 612 | 381 | 336 | 363 | 403 | 125 | 145 | 104 | 63 | 256 | 224 | 53 | 81 | 164 | 256 | 857 |
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-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | off | cross | cross-off | cross-off | cross-on | cross-off | off |
High Tide | 11:38AM1.09m | 11:28PM1.14m | 12:27PM1.03m | 11:59PM1.04m | 1:28PM0.97m | 00:36AM0.95m | 2:53PM0.94m | 1:31AM0.86m | 4:31PM0.96m | 3:11AM0.82m | 5:42PM1.02m | 4:47AM0.84m | 6:29PM1.10m | ||||||||
Low Tide | 5:28PM0.43m | 6:01AM0.26m | 6:10PM0.54m | 6:43AM0.30m | 7:04PM0.64m | 7:36AM0.35m | 8:27PM0.70m | 8:48AM0.38m | 10:27PM0.70m | 10:10AM0.37m | 11:53PM0.65m | 11:19AM0.31m | 00:41AM0.58m | ||||||||
 | |  | | |  |  | | | | | | |  | | | | | | | | |
 | 6:18 | — | — | 6:18 | — | — | 6:16 | — | — | 6:16 | — | — | 6:15 | — | — | 6:13 | — | — | 6:13 | — | — |
 | — | 5:42 | — | — | 5:42 | — | — | 5:42 | — | — | 5:43 | — | — | 5:43 | — | — | 5:43 | — | — | 5:44 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 20 | 19 | 19 | 20 | 19 | 20 | 22 | 20 | 19 | 21 | 20 | 21 | 23 | 21 | 22 | 24 | 21 | 22 | 23 | 22 |
Feels °C | 12 | 13 | 13 | 13 | 13 | 13 | 18 | 17 | 18 | 16 | 18 | 18 | 20 | 20 | 19 | 21 | 22 | 20 | 22 | 23 | 21 |
Swell 1 Height (m) Direction Period (s) | S 13 | S 12 | S 9 | S 11 | SSW 13 | SSW 12 | S 8 | SSE 8 | SSE 10 | SSE 8 | S 10 | SE 11 | SE 10 | SSE 10 | SSE 10 | SE 9 | SSE 9 | SE 9 | SE 7 | SE 6 | SSW 17 |
| kJ | 2011 | 1629 | 553 | 651 | 538 | 379 | 205 | 246 | 363 | 140 | 125 | 145 | 104 | 63 | 115 | 79 | 53 | 81 | 51 | 39 | 857 |
Swell 2 Height (m) Direction Period (s) | SSW 15 | SSW 15 | SSW 14 | SSW 13 | SSW 20 | SSE 10 | SSW 12 | SSW 15 | SSW 14 | S 10 | SE 13 | S 10 | S 9 | S 9 | S 9 | S 11 | SSW 10 | S 10 | S 9 | SSW 20 | SE 6 |
| kJ | 892 | 736 | 778 | 317 | 38 | 188 | 81 | 128 | 113 | 122 | 84 | 94 | 87 | 42 | 39 | 59 | 33 | 17 | 6 | 256 | 18 |
Swell 3 Height (m) Direction Period (s) | — | — | S 12 | SSE 11 | SSW 20 | SSW 18 | SSW 16 | SSW 12 | S 18 | SSW 13 | SSW 14 | SSW 14 | SSW 13 | SSW 12 | S 11 | SW 16 | SW 16 | SSW 15 | SSW 21 | SE 10 | SE 9 |
| kJ | — | — | 46 | 99 | 37 | 124 | 105 | 54 | 6 | 16 | 36 | 19 | 17 | 15 | 23 | 10 | 10 | 21 | 44 | 15 | 36 |
Wind waves Height (m) Direction Period (s) | SSE 12 | SSE 12 | SSE 10 | SSE 9 | SSE 11 | SE 10 | SE 8 | SE 9 | — | SE 8 | SE 7 | — | E 3 | SE 6 | SE 8 | SE 8 | SE 5 | NE 3 | SE 8 | ESE 6 | — |
| kJ | 2518 | 2315 | 1086 | 817 | 521 | 612 | 381 | 336 | — | 403 | 79 | — | 5 | 54 | 256 | 224 | 30 | 1 | 164 | 132 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1386 | 1420 | 1386 | 1266 | 1365 | 3 | 18 | 1386 | 0 | 66 | 66 | 0 | 21 | 3 | 0 | 21 | 27 | 0 | 27 | 0 | 0 |
Best forecast wave conditions in New Caledonia | |||||||||||||||||||||
Best forecast wave conditions in New Caledonia | |||||||||||||||||||||
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Information about the Tenia Surf forecast
The above surf forecast table for Tenia provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Tenia can be found by selecting the local surf guide option on the grey menu. Our Tenia 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 (Tenia) 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 Tenia 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.
Tenia is 54 km (34 miles) from Thio. If you plan a holiday in New Caledonia, look for hotels and other accommodation in Thio. Thio has rooms for a wide range of budgets as well as car hire and transport links.
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