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Surf Forecasts:
San Juan surfForecast / Lanzarote / Spain
48hr Weather and Surf, issued 6 pm Wednesday 20 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
19.5° 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 2AM is: 1.5m 12s primary swell from a Northwest direction and 1.0m 7s secondary swell from a North-northeast direction (forecast issued at 06:00pm May 20). The wind direction is predicted to be cross-onshore.
| Time (WEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 4.5ft (1.3m) | 12s |
| Afternoon (21 May) | 3.5ft (1.1m) | 11s |
| Evening (21 May) | 3.5ft (1.0m) | 11s |
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 21°C on Thu afternoon, min 17°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Wed 20 | Thursday 21 | Friday 22 | Sat 23 | |||||||||||||||||||||
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 | 10 AM | 1 PM | |
Swell Height Map |  |    |    |    | ||||||||||||||||||||
NW 14 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 12 | NW 12 | NW 12 | NW 11 | WNW 11 | NW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | |
743 | 821 | 760 | 645 | 520 | 555 | 435 | 406 | 304 | 382 | 228 | 191 | 200 | 384 | 593 | 661 | 628 | 629 | 403 | 360 | 335 | 329 | 317 | 317 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | |
High Tide | 5:10PM2.36m | 5:49AM2.02m | 6:09PM2.23m | 6:54AM1.88m | 7:15PM2.12m | 8:06AM1.79m | ||||||||||||||||||
Low Tide | 11:32PM0.25m | 11:42AM0.49m | 00:37AM0.40m | 12:46PM0.63m | 1:50AM0.51m | |||||||||||||||||||
 | |  | | | | | | | | | | | | | | | | | | | | |  | |
 | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:58 | — | — | — |
 | — | 8:40 | — | — | — | — | — | — | — | 8:42 | — | — | — | — | — | — | — | 8:42 | — | — | — | — | — | 8:43 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 20 | 20 | 18 | 18 | 18 | 17 | 19 | 19 | 20 | 21 | 19 | 19 | 18 | 18 | 19 | 21 | 20 | 20 | 18 | 18 | 17 | 18 | 19 | 20 |
19 | 19 | 17 | 18 | 19 | 17 | 20 | 19 | 21 | 20 | 18 | 19 | 18 | 17 | 18 | 21 | 19 | 18 | 17 | 17 | 16 | 17 | 19 | 19 | |
Swell 1 Height (m) Direction Period (s) | NW 14 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NNW 13 | NW 11 | NW 11 | NW 10 | NW 10 | NW 12 | NW 12 | NW 12 | NE 8 | WNW 11 | NW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 |
 kJ | 743 | 821 | 760 | 645 | 520 | 555 | 435 | 406 | 304 | 18 | 228 | 191 | 200 | 384 | 593 | 661 | 628 | 3 | 403 | 360 | 335 | 329 | 317 | 317 |
Swell 2 Height (m) Direction Period (s) | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 6 | N 6 | NNE 6 | NNE 6 | NNE 6 | NNW 11 | NW 12 | NW 11 | NE 5 | NNE 5 | S 13 | NE 9 | NE 8 | NNE 8 | NE 7 | NE 7 | NE 10 | NE 9 | NE 8 |
| kJ | 228 | 183 | 158 | 124 | 93 | 49 | 47 | 32 | 25 | 18 | 81 | 37 | 63 | 7 | 11 | 3 | 3 | 3 | 6 | 9 | 17 | 4 | 21 | 25 |
Swell 3 Height (m) Direction Period (s) | S 13 | S 13 | S 13 | NW 12 | NW 12 | S 13 | NW 15 | NNW 15 | S 15 | NNW 13 | S 14 | S 14 | WNW 14 | NW 12 | S 13 | — | S 13 | S 13 | S 13 | S 13 | S 13 | NNE 9 | NE 9 | S 12 |
| kJ | 3 | 3 | 3 | 152 | 23 | 3 | 9 | 21 | 4 | 18 | 4 | 4 | 18 | 34 | 3 | — | 3 | 3 | 3 | 3 | 3 | 8 | 21 | 3 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | NW 11 | NNW 5 | N 5 | N 5 | NNW 3 | N 5 | N 5 | N 6 | NW 11 | NNW 6 | NNW 6 | NNW 6 | N 6 | N 6 | N 6 |
| kJ | — | — | — | — | — | — | — | — | — | 382 | 37 | 25 | 19 | 2 | 14 | 14 | 16 | 629 | 77 | 100 | 97 | 97 | 95 | 92 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 14 | 10 | 14 | 14 | 10 | 10 | 10 | 10 | 10 | 14 | 14 | 14 | 10 | 10 | 10 | 10 | 14 | 256 | 256 | 38 | 256 | 231 | 16 | 231 |
Best forecast wave conditions in Lanzarote | ||||||||||||||||||||||||
Best forecast wave conditions in Spain (Africa) | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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