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Surf Forecasts:
Belharra surfForecast / La Cote Basque / France
48hr Weather and Surf, issued 7 am Thursday 18 Sep 2025 CEST
How big are the waves at Belharra today?
The current surf forecast for Belharra at 12PM is: 1.7m 13s primary swell from a West-northwest direction and 1.0m 13s secondary swell from a West-northwest direction (forecast issued at 07:00am September 18). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (CEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 3.5ft (1.1m) | 10s |
| Afternoon (18 Sep) | 5.5ft (1.7m) | 13s |
| Evening (18 Sep) | 5ft (1.5m) | 12s |
Table - waves today at Belharra. (Swell directed towards the surf break)
Thursday 18 | Friday 19 | Saturday 20 | Sun 21 | |||||||||||||||||||||
| 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 10 | 13 | 13 | 12 | 12 | 12 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 11 | 10 | 10 | 10 | 9 | 9 | 8 | 9 | 5 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 315 | 268 | 932 | 904 | 759 | 647 | 595 | 443 | 366 | 359 | 277 | 277 | 267 | 138 | 126 | 214 | 111 | 105 | 98 | 62 | 142 | 135 | 49 | 82 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | cross | off | cross- off | cross- off | off | cross- on | cross- on | cross- on | cross- off | cross- off | glass | glass | cross- off | cross- off | cross | cross- on | cross | cross- off | cross- on | cross- on | on | cross- on | glass |
High Tide / height (m) | 3:04AM 3.02 | 3:21PM 3.34 | 3:53AM 3.24 | 4:06PM 3.57 | 4:31AM 3.42 | 4:44PM 3.72 | ||||||||||||||||||
Low Tide / height (m) | 8:55AM 0.90 | 9:30PM 0.60 | 9:42AM 0.65 | 10:12PM 0.39 | 10:21AM 0.44 | 10:47PM 0.23 | ||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sun 21 | |||||||||||||||||||||
| Sunrise | - | 7:48 | - | - | - | - | - | - | - | 7:50 | - | - | - | - | - | - | - | 7:50 | - | - | - | - | - | - |
| Sunset | - | - | - | - | - | 8:12 | - | - | - | - | - | - | - | 8:10 | - | - | - | - | - | - | - | 8:08 | - | - |
 |  | | | | | | | | |  | |  | |  | |  | | | | |  |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 4 | 3 | 2 |
| Temp. °C | 17 | 17 | 21 | 28 | 33 | 31 | 25 | 22 | 21 | 21 | 25 | 31 | 34 | 32 | 30 | 25 | 25 | 25 | 24 | 28 | 22 | 19 | 18 | 18 |
| Feels °C (?) | 18 | 17 | 21 | 28 | 32 | 30 | 24 | 22 | 21 | 21 | 25 | 32 | 34 | 32 | 29 | 25 | 22 | 23 | 23 | 28 | 21 | 20 | 18 | 19 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for La Cote Basque
Continuing clean conditions at Belharra (calm at SanSebastianFuenterrabia 5 km from Belharra). 1.4m 14s groundswell from the WNW with a 0.9m 14s groundswell, also from the WNW. 2 swells combining to make bigger set waves.
Actual: 38 min ago
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