Surf Forecasts:
How big are the waves at San Juan today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 3.5ft (1.1m), 8s period with N swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 3.5ft (1.1m), 8s period with N swell.
- Evening surf: Evening surf (20 Aug, local time) - 4.5ft (1.4m), 5s period with N swell.
The current surf forecast for San Juan at 12PM is: 1.1m 8s primary swell from a North direction and 0.4m 10s secondary swell from a West-northwest direction (forecast issued at 06:00am August 20). An open ocean swell of 0.1m 13s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (WEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 3.5ft (1.1m) | 8s |
| Afternoon (20 Aug) | 3.5ft (1.1m) | 8s |
| Evening (20 Aug) | 4.5ft (1.4m) | 5s |
Table - waves today at San Juan. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 23°C on Thu morning, min 20°C on Sat night). Mainly fresh winds. | |||||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | |||||||||||||||||||||
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 | 4 PM | 7 PM | 10 PM | |
Swell Height Map | |||||||||||||||||||||||
Wave Height (m) Direction Period (s) | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 5 | N 6 | N 6 | N 6 | N 6 | N 7 | NNE 7 | NNE 7 | NNE 6 | N 6 | N 6 | N 6 | N 6 | N 7 | N 7 | N 7 | NNW 11 |
Wave Graph | |||||||||||||||||||||||
132 | 160 | 160 | 160 | 185 | 182 | 113 | 170 | 187 | 176 | 184 | 171 | 152 | 152 | 147 | 115 | 112 | 108 | 115 | 126 | 117 | 124 | 117 | |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on |
High Tide | 7:22AM1.73m | 7:58PM1.59m | 8:40AM1.62m | 9:36PM1.51m | 10:19AM1.63m | ||||||||||||||||||
Low Tide | 1:34PM0.84m | 2:00AM0.91m | 3:08PM0.93m | 3:41AM0.96m | 4:53PM0.89m | ||||||||||||||||||
— | 7:24 | — | — | — | — | — | — | — | 7:24 | — | — | — | — | — | — | — | 7:26 | — | — | — | — | — | |
— | — | — | — | — | 8:29 | — | — | — | — | — | — | — | 8:28 | — | — | — | — | — | — | — | 8:27 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 22 | 22 | 22 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 22 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 21 |
Feels °C | 21 | 21 | 20 | 22 | 21 | 21 | 21 | 21 | 21 | 20 | 22 | 22 | 21 | 22 | 21 | 20 | 19 | 19 | 20 | 20 | 20 | 20 | 19 |
Swell 1 Height (m) Direction Period (s) | WNW 8 | NW 10 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | NW 9 | NW 9 | NW 8 | NW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | NNW 12 | NNW 12 | N 12 | N 7 | N 11 | N 7 |
14 | 25 | 38 | 37 | 35 | 33 | 32 | 32 | 31 | 20 | 19 | 18 | 18 | 14 | 13 | 13 | 6 | 30 | 49 | 71 | 117 | 116 | 106 | |
Swell 2 Height (m) Direction Period (s) | WNW 10 | S 12 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 14 | W 12 | W 12 | W 12 | NW 11 | NW 11 | NW 11 | NW 10 | N 13 | WNW 8 | WNW 8 | WNW 9 | N 11 | WNW 9 | NNW 11 |
11 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 3 | 3 | 3 | 5 | 5 | 5 | 4 | 14 | 6 | 6 | 15 | 89 | 16 | 117 | |
Swell 3 Height (m) Direction Period (s) | S 14 | — | — | — | — | — | — | — | — | — | S 14 | — | N 12 | N 11 | N 14 | N 14 | WNW 10 | WNW 10 | WNW 10 | W 9 | WNW 9 | S 13 | WNW 9 |
4 | — | — | — | — | — | — | — | — | — | 4 | — | 3 | 2 | 4 | 4 | 10 | 9 | 9 | 2 | 16 | 3 | 16 | |
Wind waves Height (m) Direction Period (s) | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 5 | N 6 | N 6 | N 6 | N 6 | N 7 | NNE 7 | NNE 7 | NNE 6 | N 6 | N 6 | N 6 | N 6 | N 7 | — | N 7 | — |
132 | 160 | 160 | 160 | 185 | 182 | 113 | 170 | 187 | 176 | 184 | 171 | 152 | 152 | 147 | 115 | 112 | 108 | 115 | 126 | — | 124 | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 38 | 38 | 251 | 38 | 231 | 251 | 251 | 38 | 251 | 251 | 251 | 231 | 231 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 326 | 38 | 38 |
Best forecast wave conditions in Lanzarote | |||||||||||||||||||||||
Best forecast wave conditions in Spain (Africa) | |||||||||||||||||||||||
Header Global | |||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)













