Surf Forecasts:
Ilbaritz - Bora Bora surf forecast from 11 Sep 2026:
- Best quality surf: Sunday 13 Sep, 11AM (local time) - 4.5ft (1.3m), 13s period, NW swell with glassy winds.
- Most powerful swell: Friday 18 Sep, 11PM (local time) - 5.5ft (1.7m), 12s period, NW swell with 786 kJ wave energy.
- Next surfable swell (1★+): Friday 11 Sep, 11PM (local time) - 3ft (0.9m), 10s period with NW swell.
Best Forecast Surf Conditions for Ilbaritz - Bora Bora this week:
The surf forecast for Ilbaritz - Bora Bora over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Sep 11) at 11PM. The primary swell is predicted to be 0.9m and 10s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Ilbaritz - Bora Bora in the next 16 days are 1.7m 12s and forecast to arrive on Friday (Sep 18) at 11PM. Winds are predicted to be glassy at the time the swell arrives.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Fri 11th Sep) | 3ft (0.9m) 10s |
| Best Surf | 11AM (Sun 13th Sep) | 4.5ft (1.3m) 13s |
| Most Powerful | 11PM (Fri 18th Sep) | 5.5ft (1.7m) 12s |
Table - best surf conditions forecast for Ilbaritz - Bora Bora over the next 16 days.
The Lowdown
G’day, Rusty here. Let’s break down what’s happening at Ilbaritz - Bora Bora for the next couple of weeks.
First up, the water’s a warm 73° – that’s about 5° warmer than usual for this time of year, so you’re basically surfing in a bath. But the surf? Don’t hold your breath early on. Friday the 11th and Saturday the 12th are flat and messy, with waves around 2ft to 2ft and poor winds. Not worth paddling out.
The first real chance comes on Sunday morning, September 13th. Glassy conditions, dead calm wind, and a 4ft swell from the northwest with a long 13-second period. The combined energy of all swells directed here is 545 – solid moderate-strong energy. That long-period groundswell at this reef break is going to give you some proper, lined-up waves. This is the best early session.
Monday the 14th morning stays clean with a 4ft swell and a light easterly offshore wind. Still fun, but a bit less power. Things then get choppy through the middle of the week with onshore winds and cross-swell.
The big one is Saturday morning, September 19th. A 6ft swell from the northwest, 12-second period, and a clean offshore easterly breeze at 9 mph. The combined energy hits 786 – strong wave energy. This is the standout session of the whole forecast. It’s big enough to have some punch but still manageable for strong intermediates. Keep in mind, crowds are often here, so be ready to share the peak.
Sunday the 20th morning is another clean one with 4ft waves and light offshore winds, but it’s smaller.
From the 21st afternoon through the 25th, it’s a stretch of onshore winds and marginal to poor conditions. The swell sticks around at 3ft to 5ft, but the chop makes it a grind.
The last decent window is Friday morning, September 25th. Glassy again, a clean 3ft swell, and light winds. A nice little longboard day with combined energy at 220 – modest.
Bottom line: aim for Sunday the 13th morning and Saturday the 19th morning. The 19th is your ticket. Everything else is either small, messy, or blown out.
Rusty.
Short Range ForecastMostly dry. Warm (max 27°C on Mon afternoon, min 15°C on Sat morning). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 2mm), mostly falling on Tue night. Warm (max 26°C on Mon night, min 16°C on Wed night). Wind will be generally light. | ||||||||||||||||||
Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | ||||||||||||||
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) | NW 9 | NW 8 | WNW 8 | NW 10 | NW 13 | NW 12 | NW 12 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | WNW 6 | NW 7 | NW 8 | NW 10 | NW 12 | NW 11 | NW 10 |
Wave Graph  | |||||||||||||||||||
 kJ | 118 | 72 | 58 | 47 | 545 | 520 | 603 | 453 | 319 | 212 | 113 | 57 | 203 | 200 | 223 | 327 | 765 | 568 | 369 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | cross | cross-on | glassy | cross-on | glassy | glassy | cross | cross-off | on | on | cross-on | cross-on | cross-on | glassy | glassy | cross-on | glassy |
High Tide | 5:57AM3.86m | 6:12PM4.08m | 6:32AM3.83m | 6:48PM3.94m | 7:05AM3.73m | 7:21PM3.72m | 7:37AM3.56m | 7:55PM3.45m | 8:09AM3.34m | 8:29PM3.14m | 8:44AM3.08m | 9:09PM2.84m | |||||||
Low Tide | 11:40PM-0.11m | 11:52AM-0.02m | 00:16AM-0.07m | 12:29PM0.02m | 00:51AM0.08m | 1:05PM0.15m | 1:25AM0.30m | 1:41PM0.37m | 1:59AM0.57m | 2:19PM0.65m | 2:36AM0.87m | 3:01PM0.94m | 3:18AM1.17m | ||||||
 | | |  | | | | | | | | |  |  |  |  | | | | |
 | — | 7:41 | — | — | 7:41 | — | — | 7:43 | — | — | 7:43 | — | — | 7:46 | — | — | 7:47 | — | — |
 | 8:23 | — | 8:22 | — | — | 8:21 | — | — | 8:19 | — | — | 8:16 | — | — | 8:15 | — | — | 8:13 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — |
Temp °C | 19 | 17 | 22 | 20 | 19 | 22 | 21 | 21 | 27 | 26 | 23 | 21 | 20 | 18 | 19 | 19 | 17 | 19 | 18 |
Feels °C | 18 | 17 | 21 | 20 | 21 | 21 | 21 | 21 | 25 | 26 | 22 | 19 | 18 | 16 | 16 | 17 | 17 | 17 | 17 |
Swell 1 Height (m) Direction Period (s) | NW 9 | NW 8 | WNW 8 | NW 10 | NW 13 | NW 12 | NW 12 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | WNW 11 | NW 7 | NW 8 | NW 10 | NW 12 | NW 11 | NW 10 |
| kJ | 118 | 72 | 58 | 47 | 545 | 520 | 603 | 453 | 319 | 212 | 113 | 57 | 48 | 200 | 223 | 327 | 765 | 568 | 369 |
Swell 2 Height (m) Direction Period (s) | — | — | — | WNW 8 | — | — | — | — | — | — | W 9 | NW 13 | NW 9 | WNW 10 | NW 10 | NW 13 | — | — | — |
| kJ | — | — | — | 25 | — | — | — | — | — | — | 7 | 6 | 13 | 95 | 100 | 196 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | NNW 4 | — | — | — | — | — | — | W 14 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 6 | — | — | — | — | — | — | 4 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | WNW 4 | WNW 6 | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 29 | 203 | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 0 | 200 | 4 | 0 | 91 | 0 | 0 | 17 | 0 | 37 | 625 | 491 | 91 | 91 | 0 | 0 | 18 | 0 |
Best forecast wave conditions in La Cote Basque | |||||||||||||||||||
Best forecast wave conditions in France | |||||||||||||||||||
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Information about the Ilbaritz - Bora Bora Surf forecast
The above surf forecast table for Ilbaritz - Bora Bora provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Ilbaritz - Bora Bora can be found by selecting the local surf guide option on the grey menu. Our Ilbaritz - Bora Bora 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 (Ilbaritz - Bora Bora) 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 Ilbaritz - Bora Bora 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.
Ilbaritz - Bora Bora is 3 km (2 miles) from Biarritz. If you plan a holiday in La Cote Basque, look for hotels and other accommodation in Biarritz. Biarritz has rooms for a wide range of budgets as well as car hire and transport links.
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