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:
San Juan surfForecast / Lanzarote / Spain
48hr Weather and Surf, issued 5 am Monday 29 Dec 2025 WETForecast update in hr min s Forecast update imminent
San Juan surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's San Juan sea temperature is
19.7° C
(Which is normal for this time of year)How big are the waves at San Juan today?
The current surf forecast for San Juan at 7AM is: 1.6m 10s primary swell from a North-northwest direction and 0.6m 11s secondary swell from a West-northwest direction (forecast issued at 05:00am December 29). The wind direction is predicted to be cross-onshore.
| Time (WET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Dec) | 5ft (1.5m) | 10s |
| Afternoon (29 Dec) | 4ft (1.2m) | 9s |
| Evening (29 Dec) | 3ft (0.9m) | 14s |
Table - waves today at San Juan. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 29 | Tuesday 30 | Wednesday 31 | Thu 01 | |||||||||||||||||||||
| 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 10 | 10 | 10 | 9 | 9 | 14 | 13 | 13 | 13 | 12 | 16 | 16 | 15 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 540 | 490 | 416 | 289 | 235 | 235 | 289 | 249 | 246 | 312 | 333 | 447 | 525 | 1067 | 1010 | 886 | 862 | 929 | 711 | 745 | 690 | 476 | 440 | 359 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | cross- on | glass | glass | glass | glass | cross- on | cross- on | glass | glass | glass | off | cross- off | cross | glass | glass | glass | glass | cross- off | off | off | cross- off | cross- off | cross- off |
High Tide / height (m) | 8:16AM 1.97 | 9:06PM 1.92 | 9:31AM 2.01 | 10:13PM 2.05 | 10:41AM 2.09 | 11:13PM 2.20 | ||||||||||||||||||
Low Tide / height (m) | 2:40PM 0.53 | 3:13AM 0.62 | 3:50PM 0.47 | 4:25AM 0.49 | 4:53PM 0.38 | |||||||||||||||||||
Monday 29 | Tuesday 30 | Wednesday 31 | Thu 01 | |||||||||||||||||||||
| Sunrise | - | - | 7:47 | - | - | - | - | - | - | - | 7:47 | - | - | - | - | - | - | - | 7:47 | - | - | - | - | - |
| Sunset | - | - | - | - | - | 6:05 | - | - | - | - | - | - | - | 6:05 | - | - | - | - | - | - | - | 6:06 | - | - |
 | |  | | | |  | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 17 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 |
| Feels °C (?) | 16 | 16 | 16 | 16 | 17 | 16 | 16 | 16 | 16 | 16 | 15 | 16 | 17 | 16 | 18 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 |
- 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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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our San Juan surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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