Surf Forecasts:
How big are the waves at San Juan today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 5ft (1.5m), 6s period with N swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 4.5ft (1.4m), 6s period with N swell.
- Evening surf: Evening surf (21 Aug, local time) - 4.5ft (1.3m), 6s period with N swell.
The current surf forecast for San Juan at 1PM is: 1.5m 6s primary swell from a North direction and 0.4m 8s secondary swell from a Northwest direction, 0.1m 12s secondary swell from a West direction (forecast issued at 06:00am August 21). The wind direction is predicted to be onshore.
| Time (WEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 5ft (1.5m) | 6s |
| Afternoon (21 Aug) | 4.5ft (1.4m) | 6s |
| Evening (21 Aug) | 4.5ft (1.3m) | 6s |
Table - waves today at San Juan. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 23°C on Fri morning, min 21°C on Fri night). Mainly fresh winds. | |||||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | |||||||||||||||||||||
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 7 | N 6 | N 6 | N 6 | N 6 | N 6 | N 6 | N 6 | N 6 | N 6 | N 6 | N 7 | N 7 | N 7 | NNW 11 | NNW 10 | N 10 | N 10 | N 10 | NNW 15 | NNW 14 | NNW 13 | NNW 13 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 200 | 160 | 196 | 184 | 139 | 139 | 143 | 139 | 135 | 139 | 143 | 130 | 138 | 124 | 117 | 106 | 233 | 230 | 183 | 498 | 917 | 1144 | 1211 |
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 | cross-on | cross-on | cross-on | cross-on |
High Tide | 8:40AM1.62m | 9:36PM1.51m | 10:19AM1.63m | 11:09PM1.57m | 11:34AM1.76m | ||||||||||||||||||
Low Tide | 2:00AM0.91m | 3:08PM0.93m | 3:41AM0.96m | 4:53PM0.89m | 5:11AM0.88m | 5:59PM0.75m | |||||||||||||||||
 | |  | | | | | |  | | | | | | | | | | | | | | | |
 | — | 7:24 | — | — | — | — | — | — | — | 7:26 | — | — | — | — | — | — | — | 7:26 | — | — | — | — | — |
 | — | — | — | — | — | 8:28 | — | — | — | — | — | — | — | 8:27 | — | — | — | — | — | — | — | 8:25 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 22 | 22 | 23 | 23 | 23 | 23 | 22 | 21 | 21 | 21 | 22 | 22 | 23 | 22 | 21 | 21 | 21 | 21 | 21 | 22 | 23 | 23 | 22 |
Feels °C | 20 | 20 | 21 | 21 | 22 | 22 | 20 | 19 | 18 | 19 | 20 | 20 | 22 | 20 | 19 | 20 | 21 | 21 | 21 | 22 | 23 | 23 | 23 |
Swell 1 Height (m) Direction Period (s) | 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 | NNW 11 | N 7 | N 10 | N 10 | N 10 | NNW 15 | NNW 14 | NNW 13 | NNW 13 |
| kJ | 31 | 20 | 19 | 18 | 18 | 14 | 13 | 13 | 13 | 30 | 49 | 71 | 138 | 116 | 117 | 83 | 233 | 230 | 183 | 498 | 917 | 1144 | 1211 |
Swell 2 Height (m) Direction Period (s) | 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 | WNW 9 | NNW 10 | N 12 | N 12 | NNW 16 | N 9 | N 9 | WNW 9 | WNW 8 |
| kJ | 4 | 3 | 3 | 3 | 5 | 5 | 5 | 4 | 14 | 6 | 14 | 15 | 89 | 16 | 16 | 106 | 26 | 26 | 149 | 136 | 101 | 7 | 7 |
Swell 3 Height (m) Direction Period (s) | — | — | S 14 | — | N 12 | N 11 | N 14 | N 14 | NW 10 | WNW 10 | NE 8 | W 9 | WNW 9 | S 13 | S 13 | WNW 9 | WNW 8 | WNW 8 | N 12 | N 11 | N 11 | N 11 | — |
| kJ | — | — | 4 | — | 3 | 2 | 4 | 4 | 4 | 9 | 2 | 2 | 16 | 3 | 3 | 15 | 14 | 14 | 44 | 39 | 37 | 21 | — |
Wind waves Height (m) Direction Period (s) | N 7 | N 6 | N 6 | N 6 | N 6 | N 6 | N 6 | N 6 | N 6 | N 6 | N 6 | N 7 | — | N 7 | N 7 | — | — | — | — | — | — | — | — |
| kJ | 200 | 160 | 196 | 184 | 139 | 139 | 143 | 139 | 135 | 139 | 143 | 130 | — | 124 | 106 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 251 | 251 | 251 | 231 | 231 | 231 | 251 | 38 | 251 | 38 | 38 | 38 | 212 | 256 | 38 | 38 | 9 | 10 | 10 | 10 | 10 | 17 | 10 |
Best forecast wave conditions in Lanzarote | |||||||||||||||||||||||
Best forecast wave conditions in Spain (Africa) | |||||||||||||||||||||||
Header Global | |||||||||||||||||||||||
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