Surf Forecasts:
La Lette Blanche (Vieille Saint Girons) surf forecast from 10 Sep 2026:
- Best quality surf: Sunday 13 Sep, 8AM (local time) - 4ft (1.2m), 13s period, NW swell with glassy winds.
- Most powerful swell: Thursday 17 Sep, 8AM (local time) - 6ft (1.9m), 12s period, NW swell with 913 kJ wave energy.
- Next surfable swell (1★+): Friday 11 Sep, 2AM (local time) - 3ft (0.9m), 9s period with NW swell.
Best Forecast Surf Conditions for La Lette Blanche (Vieille Saint Girons) this week:
The surf forecast for La Lette Blanche (Vieille Saint Girons) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Sep 11) at 2AM. The primary swell is predicted to be 0.9m and 9s period with a secondary swell of 0.2m and 11s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at La Lette Blanche (Vieille Saint Girons) in the next 16 days are 1.9m 12s and forecast to arrive on Thursday (Sep 17) at 8AM. Winds are predicted to be cross-onshore at the time the swell arrives.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Fri 11th Sep) | 3ft (0.9m) 9s |
| Best Surf | 8AM (Sun 13th Sep) | 4ft (1.2m) 13s |
| Most Powerful | 8AM (Thu 17th Sep) | 6ft (1.9m) 12s |
Table - best surf conditions forecast for La Lette Blanche (Vieille Saint Girons) over the next 16 days.
Short Range ForecastMostly dry. Warm (max 23°C on Sat afternoon, min 14°C on Thu morning). Wind will be generally light. | Days 4-6 Weather SummarySome drizzle, heaviest during Tue night. Warm (max 27°C on Mon afternoon, min 18°C on Sun morning). Wind will be generally light. | ||||||||||||||||||||
Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | |||||||||||||||
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) | NW 10 | NW 10 | NW 9 | NW 8 | WNW 10 | WNW 9 | WNW 8 | WNW 8 | NW 10 | NW 13 | NW 12 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | W 5 | WNW 7 | NW 8 | NW 9 | NW 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 309 | 235 | 132 | 55 | 71 | 127 | 90 | 84 | 37 | 535 | 522 | 463 | 375 | 265 | 144 | 92 | 90 | 316 | 373 | 470 | 546 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-on | off | glassy | cross-on | cross-off | glassy | cross-on | glassy | glassy | cross-on | glassy | glassy | cross-on | off | cross-on | on | cross-on | on | on | cross-on |
High Tide | 4:57PM4.04m | 5:22AM3.83m | 5:36PM4.14m | 5:58AM3.89m | 6:13PM4.11m | 6:33AM3.87m | 6:48PM3.97m | 7:06AM3.76m | 7:22PM3.75m | 7:38AM3.58m | 7:56PM3.47m | 8:10AM3.35m | 8:31PM3.16m | ||||||||
Low Tide | 10:35AM0.21m | 11:04PM-0.04m | 11:16AM0.04m | 11:42PM-0.11m | 11:54AM-0.02m | 00:18AM-0.07m | 12:30PM0.02m | 00:52AM0.08m | 1:06PM0.15m | 1:26AM0.30m | 1:42PM0.37m | 2:00AM0.57m | 2:20PM0.64m | 2:36AM0.87m | |||||||
 |  |  | | | | | | | | | | | | | | |  | |  |  | |
 | 7:37 | — | — | 7:39 | — | — | 7:39 | — | — | 7:41 | — | — | 7:41 | — | — | 7:43 | — | — | 7:45 | — | — |
 | — | 8:25 | — | — | 8:23 | — | — | 8:22 | — | — | 8:20 | — | — | 8:17 | — | — | 8:16 | — | — | 8:15 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 2 | 2 |
Temp °C | 16 | 20 | 19 | 16 | 21 | 20 | 18 | 23 | 23 | 20 | 24 | 22 | 21 | 27 | 26 | 21 | 21 | 20 | 20 | 20 | 19 |
Feels °C | 14 | 16 | 16 | 16 | 19 | 17 | 18 | 22 | 20 | 21 | 24 | 20 | 22 | 25 | 24 | 20 | 20 | 18 | 17 | 17 | 16 |
Swell 1 Height (m) Direction Period (s) | NW 10 | NW 10 | NW 9 | NW 8 | NW 8 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | NW 13 | NW 12 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 9 | WNW 11 | NW 8 | NW 9 | NW 10 |
| kJ | 309 | 235 | 132 | 55 | 55 | 127 | 90 | 84 | 37 | 535 | 522 | 463 | 375 | 265 | 144 | 92 | 40 | 49 | 373 | 470 | 546 |
Swell 2 Height (m) Direction Period (s) | W 13 | W 12 | W 11 | WNW 13 | WNW 10 | N 4 | — | — | N 4 | — | — | NNW 4 | — | — | WNW 9 | WNW 9 | WNW 12 | — | WNW 10 | — | NW 12 |
| kJ | 3 | 3 | 10 | 16 | 71 | 7 | — | — | 8 | — | — | 9 | — | — | 28 | 26 | 15 | — | 121 | — | 209 |
Swell 3 Height (m) Direction Period (s) | — | — | W 8 | W 8 | W 8 | — | — | — | NW 10 | — | — | — | — | — | — | W 13 | — | — | — | — | — |
| kJ | — | — | 1 | 5 | 1 | — | — | — | 25 | — | — | — | — | — | — | 4 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | N 2 | — | — | — | — | — | — | — | — | — | — | WSW 2 | W 5 | WNW 7 | — | — | — |
| kJ | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | 1 | 90 | 316 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 118 | 0 | 0 | 118 | 0 | 0 | 221 | 0 | 0 | 118 | 0 | 0 | 118 | 0 | 454 | 165 | 94 | 440 | 165 | |
Best forecast wave conditions in Landes | |||||||||||||||||||||
Best forecast wave conditions in France | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Information about the La Lette Blanche (Vieille Saint Girons) Surf forecast
The above surf forecast table for La Lette Blanche (Vieille Saint Girons) provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at La Lette Blanche (Vieille Saint Girons) can be found by selecting the local surf guide option on the grey menu. Our La Lette Blanche (Vieille Saint Girons) 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 (La Lette Blanche (Vieille Saint Girons)) 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 La Lette Blanche (Vieille Saint Girons) 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.
La Lette Blanche (Vieille Saint Girons) is 34 km (21 miles) from Dax. If you plan a holiday in Landes, look for hotels and other accommodation in Dax. Dax has rooms for a wide range of budgets as well as car hire and transport links.
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