Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Sierra de Irta surfForecast / Valencia / Spain
48hr Weather and Surf, issued 12 pm Saturday 20 Dec 2025 CETForecast update in hr min s Forecast update imminent
Sierra de Irta surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Sierra de Irta sea temperature is
15.9° C
(Which is slightly warmer than usual)How big are the waves at Sierra de Irta today?
The current surf forecast for Sierra de Irta at 2PM is: 0.3m 6s primary swell from a East direction and 0.2m 6s secondary swell from a East-northeast direction (forecast issued at 12:00pm December 20). The wind direction is predicted to be glassy.
| Time (CET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Dec) | 1ft (0.3m) | 6s |
| Afternoon (20 Dec) | 1ft (0.3m) | 6s |
| Evening (20 Dec) | 0.5ft (0.2m) | 6s |
Table - waves today at Sierra de Irta. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | |||||||||||||||||||||
| 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 6 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 4 | 5 | 5 | 5 | 6 | 6 | 6 | 7 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 6 | 9 | 3 | 7 | 4 | 4 | 3 | 3 | 8 | 80 | 57 | 45 | 3 | 4 | 4 | 9 | 8 | 10 | 20 | 20 | 13 | 14 | 13 | 10 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | glass | glass | cross | cross | cross- off | glass | glass | cross | cross | cross | off | cross- off | cross- off | off | cross- off | off | glass | cross- off | off | cross- off | cross- off | off | off |
High Tide / height (m) | 9:24AM 0.17 | 6:31PM 0.06 | 10:03AM 0.18 | 10:41AM 0.18 | ||||||||||||||||||||
Low Tide / height (m) | 6:05PM 0.06 | 1:48AM 0.00 | 2:19AM -0.00 | 2:53AM -0.00 | ||||||||||||||||||||
Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | - | 8:17 | - | - | - | - | - | - | - | 8:17 | - | - | - | - | - | - | - |
| Sunset | - | - | 5:34 | - | - | - | - | - | - | - | 5:35 | - | - | - | - | - | - | - | 5:35 | - | - | - | - | - |
 | |  |  | |  |  | | | | | | | | | |  | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 13 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 14 | 13 | 12 | 11 | 11 | 10 | 9 | 9 | 12 | 12 | 11 | 10 | 10 | 9 | 9 |
| Feels °C (?) | 11 | 13 | 12 | 12 | 11 | 11 | 12 | 12 | 10 | 8 | 8 | 7 | 6 | 7 | 6 | 5 | 5 | 9 | 8 | 6 | 4 | 5 | 5 | 4 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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