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Surf Forecasts:
San Juan surfForecast / Lanzarote / Spain
48hr Weather and Surf, issued 12 pm Monday 18 May 2026 WESTForecast 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 5PM is: 2.0m 8s primary swell from a North-northeast direction and 0.6m 14s secondary swell from a North-northwest direction (forecast issued at 12:00pm May 18). The wind direction is predicted to be onshore.
| Time (WEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 6.5ft (2.0m) | 8s |
| Afternoon (18 May) | 6.5ft (2.0m) | 8s |
| Evening (18 May) | 6.5ft (2.0m) | 7s |
Table - waves today at San Juan. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 20°C on Wed afternoon, min 16°C on Mon night). Winds decreasing (fresh winds from the N on Mon afternoon, light winds from the NW by Wed night). | ||||||||||||||||||||||||
Mon 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 7 | NNE 7 | NNE 7 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NW 15 | NW 15 | NW 14 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | |
520 | 507 | 437 | 426 | 392 | 404 | 387 | 422 | 494 | 459 | 459 | 379 | 379 | 334 | 286 | 279 | 395 | 606 | 733 | 821 | 760 | 645 | 520 | 450 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 3:28PM2.53m | 3:58AM2.34m | 4:17PM2.47m | 4:51AM2.19m | 5:10PM2.36m | 5:49AM2.02m | ||||||||||||||||||
Low Tide | 9:10AM0.09m | 9:42PM0.02m | 9:57AM0.19m | 10:34PM0.11m | 10:47AM0.34m | 11:32PM0.25m | ||||||||||||||||||
 |  | | |  |  | | | | | | | | | | | | | | | | | | | |
 | 7:01 | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | 6:58 | — |
 | — | — | — | 8:39 | — | — | — | — | — | — | — | 8:40 | — | — | — | — | — | — | — | 8:40 | — | — | — | 8:42 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 16 | 17 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 18 | 19 | 20 | 20 | 18 | 17 | 18 | 18 |
12 | 13 | 13 | 12 | 11 | 11 | 12 | 11 | 12 | 13 | 13 | 13 | 12 | 13 | 14 | 14 | 15 | 17 | 18 | 18 | 16 | 16 | 18 | 18 | |
Swell 1 Height (m) Direction Period (s) | NW 16 | NW 15 | NNW 14 | NW 14 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 10 | NW 16 | NW 15 | NNE 7 | NW 14 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 |
 kJ | 62 | 106 | 138 | 147 | 180 | 175 | 167 | 152 | 147 | 114 | 167 | 155 | 96 | 92 | 89 | 254 | 395 | 263 | 733 | 821 | 760 | 645 | 520 | 450 |
Swell 2 Height (m) Direction Period (s) | — | — | — | S 15 | — | — | W 16 | NW 16 | NW 16 | NW 15 | NW 15 | WNW 15 | WNW 15 | WNW 14 | NW 17 | NW 10 | NW 10 | NW 15 | NNE 7 | NNE 7 | NNW 13 | NW 12 | NNW 12 | NNE 6 |
| kJ | — | — | — | 4 | — | — | 5 | 10 | 10 | 9 | 8 | 21 | 21 | 18 | 76 | 79 | 79 | 606 | 234 | 214 | 106 | 152 | 61 | 64 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | NW 18 | NW 14 | S 13 | NNW 10 | NW 10 | S 13 | S 13 | — | — | NW 12 | S 13 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 13 | 48 | 3 | 10 | 77 | 3 | 3 | — | — | 23 | 3 |
Wind waves Height (m) Direction Period (s) | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 7 | NNE 7 | NNE 7 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | — | — | — | NNE 7 | NNE 7 | NNE 7 | — |
| kJ | 520 | 507 | 437 | 426 | 392 | 404 | 387 | 422 | 494 | 459 | 459 | 379 | 379 | 334 | 286 | 279 | 249 | — | — | — | 154 | 118 | 96 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 256 | 251 | 251 | 251 | 256 | 251 | 231 | 231 | 231 | 231 | 231 | 231 | 231 | 38 | 38 | 38 | 149 | 57 | 14 | 14 | 231 | 14 | 10 | 10 |
Best forecast wave conditions in Lanzarote | ||||||||||||||||||||||||
Best forecast wave conditions in Spain (Africa) | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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