Surf Forecasts:
Ilbaritz - Bora Bora surf forecast from 4 Sep 2026:
- Best quality surf: Saturday 5 Sep, 11PM (local time) - 5.5ft (1.7m), 12s period, NW swell with glassy winds.
- Most powerful swell: Sunday 6 Sep, 2AM (local time) - 6ft (1.8m), 13s period, NW swell with 990 kJ wave energy.
- Next surfable swell (1★+): Friday 4 Sep, 11AM (local time) - 1.5ft (0.5m), 8s period with WNW 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 04) at 11AM. The primary swell is predicted to be 0.5m and 8s period with a secondary swell of 0.4m and 8s. 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 1.8m 13s and forecast to arrive on Sunday (Sep 06) at 2AM. Winds are predicted to be offshore at the time the swell arrives.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11AM (Fri 4th Sep) | 1.5ft (0.5m) 8s |
| Best Surf | 11PM (Sat 5th Sep) | 5.5ft (1.7m) 12s |
| Most Powerful | 2AM (Sun 6th Sep) | 6ft (1.8m) 13s |
Table - best surf conditions forecast for Ilbaritz - Bora Bora over the next 16 days.
The Lowdown
Alright, Rusty here, checking in from Bora Bora. Let's talk about what's going on at Ilbaritz.
It's a bit of a slow start. On Friday the 4th, we've got a tiny 2-foot ripple from the WNW with a real short period and next to no energy. It's dead flat in the morning, but it's just too weak to surf. The water's a warm 74°, which is over 4° above the norm for this time of year, so it feels like bathwater.
The first half-decent session is shaping up for Saturday morning, September 5th. The swell climbs to 3 feet from the NW with a bit more period and moderate energy. The wind is a clean offshore from the east at just 6 mph, so the surface will be smooth and clean. It's alright, but not the highlight.
The session that's got me paying attention is Sunday morning, September 13th. We're looking at a solid 5 feet of NW groundswell with a longer period, pumping significant energy. The wind is a clean offshore from the east at 9 mph. On a reef like Ilbaritz, this combo spells powerful, well-shaped waves. It's over a week away (the 13th is next Sunday morning), so it's a solid bet for the weekend after next. Expect some other surfers out here, as it's a spot that often gets busy.
But the real standout, the one I'm most fired up about, is Wednesday morning, September 16th. We see a nice 5-foot NW groundswell, with strong energy coming through. The wind is dead flat, glassy calm. That means the surface will be mirror-smooth. With that swell direction and size on this reef, you can expect clean, hollow, and powerful waves. After that, the swell fades out through the rest of the window, turning more ordinary.
So here's the plan: If you want the single best window, make it Ilbaritz on Wednesday morning, September 16th. The glassy ocean and the 5-foot NW swell will be a treat. If you can't wait that long, the Sunday morning, September 13th with the offshore wind is a very good second.
Rusty.
Short Range ForecastMostly dry. Warm (max 27°C on Sat afternoon, min 18°C on Sat morning). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 5mm), mostly falling on Tue morning. Warm (max 21°C on Mon afternoon, min 14°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | |||||||||||||||
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) | WNW 8 | NW 8 | WNW 9 | NW 9 | NW 13 | NW 13 | NW 12 | NW 11 | NW 10 | NW 10 | WNW 14 | WNW 12 | WNW 11 | WNW 11 | NW 10 | NW 9 | NW 9 | NW 10 | NW 10 | NW 10 | NW 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 38 | 72 | 99 | 118 | 732 | 990 | 661 | 422 | 196 | 110 | 226 | 405 | 239 | 265 | 216 | 176 | 164 | 362 | 284 | 192 | 92 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | on | glassy | off | cross | off | cross-on | on | on | on | cross-on | on | cross-on | cross-on | cross-off | off | cross | glassy | glassy | on | cross-on |
High Tide | 9:59AM3.06m | 10:42PM2.90m | 11:21AM2.90m | 00:20AM2.78m | 1:01PM2.94m | 1:56AM2.90m | 2:24PM3.19m | 3:05AM3.16m | 3:25PM3.51m | 3:58AM3.43m | 4:14PM3.80m | 4:42AM3.65m | 4:56PM4.01m | ||||||||
Low Tide | 4:17PM0.92m | 4:53AM1.11m | 5:44PM1.06m | 6:25AM1.19m | 7:21PM0.98m | 7:53AM1.03m | 8:38PM0.71m | 8:59AM0.75m | 9:35PM0.40m | 9:50AM0.46m | 10:22PM0.14m | 10:34AM0.21m | 11:03PM-0.04m | ||||||||
 | |  |  | |  | | | |  | | |  |  |  | | | | | |  | |
 | 7:31 | — | — | 7:33 | — | — | 7:33 | — | — | 7:35 | — | — | 7:37 | — | — | 7:37 | — | — | 7:39 | — | — |
 | — | 8:37 | — | — | 8:35 | — | — | 8:32 | — | — | 8:31 | — | — | 8:30 | — | — | 8:28 | — | — | 8:25 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 3 | — | — | — | — | — | 1 |
Temp °C | 26 | 25 | 22 | 20 | 27 | 26 | 27 | 24 | 22 | 20 | 21 | 20 | 20 | 20 | 20 | 17 | 19 | 18 | 17 | 19 | 20 |
Feels °C | 25 | 23 | 22 | 20 | 26 | 25 | 27 | 23 | 23 | 21 | 21 | 22 | 21 | 20 | 20 | 16 | 16 | 16 | 16 | 17 | 18 |
Swell 1 Height (m) Direction Period (s) | WNW 8 | NW 8 | WNW 9 | NW 9 | NW 13 | NW 13 | NW 12 | NW 11 | NW 10 | WNW 6 | WNW 14 | WNW 12 | WNW 11 | WNW 11 | NW 10 | NW 9 | NW 9 | NW 10 | NW 10 | NW 10 | NW 10 |
| kJ | 38 | 72 | 99 | 118 | 732 | 990 | 661 | 422 | 196 | 47 | 226 | 405 | 239 | 265 | 216 | 176 | 164 | 362 | 284 | 192 | 92 |
Swell 2 Height (m) Direction Period (s) | NW 8 | — | — | NW 11 | — | — | — | — | W 19 | NW 10 | NW 6 | — | — | NNW 5 | — | NW 12 | NW 11 | — | — | — | W 12 |
| kJ | 18 | — | — | 77 | — | — | — | — | 7 | 110 | 35 | — | — | 47 | — | 6 | 123 | — | — | — | 3 |
Swell 3 Height (m) Direction Period (s) | N 4 | — | — | NW 15 | — | — | — | — | — | WNW 16 | NW 9 | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | — | — | 34 | — | — | — | — | — | 99 | 65 | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | WNW 4 | — | — | — | WNW 4 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 14 | — | — | — | 12 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 200 | 0 | 0 | 17 | 0 | 0 | 18 | 18 | 18 | 91 | 18 | 91 | 75 | 0 | 0 | 91 | 0 | 0 | 18 | 22 |
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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