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 (1.3m), 6s period with N swell.
- Evening surf: Evening surf (21 Aug, local time) - 4ft (1.2m), 6s period with N swell.
The current surf forecast for San Juan at 12AM is: 1.4m 6s primary swell from a North direction and 0.4m 9s secondary swell from a West-northwest direction (forecast issued at 06:00pm 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 (21 Aug) | 5ft (1.5m) | 6s |
| Afternoon (21 Aug) | 4.5ft (1.3m) | 6s |
| Evening (21 Aug) | 4ft (1.2m) | 6s |
Table - waves today at San Juan. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 23°C on Thu afternoon, min 21°C on Fri night). Winds decreasing (fresh winds from the N on Thu night, light winds from the N by Sat night). | |||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | |||||||||||||||||
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 6 | N 6 | N 7 | N 6 | N 6 | N 6 | N 6 | N 7 | N 6 | N 6 | N 6 | N 6 | N 6 | N 7 | N 7 | N 7 | NNW 11 |
Wave Graph  | |||||||||||||||||||
 kJ | 185 | 213 | 121 | 153 | 200 | 160 | 173 | 161 | 143 | 126 | 123 | 143 | 139 | 135 | 139 | 126 | 134 | 117 | 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 |
High Tide | 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 | — | — | — | — | — | — | — | 7:26 | — | — | — | — | — |
 | — | 8:29 | — | — | — | — | — | — | — | 8:28 | — | — | — | — | — | — | — | 8:27 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 22 | 22 | 21 | 21 | 22 | 22 | 22 | 22 | 21 |
Feels °C | 21 | 20 | 21 | 21 | 20 | 20 | 20 | 22 | 22 | 22 | 21 | 21 | 18 | 19 | 19 | 20 | 20 | 20 | 20 |
Swell 1 Height (m) Direction Period (s) | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | NW 9 | NW 9 | NW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | NNW 12 | NNW 12 | N 12 | N 11 | N 11 | NNW 11 |
| kJ | 35 | 33 | 32 | 32 | 31 | 20 | 19 | 18 | 14 | 14 | 13 | 13 | 13 | 30 | 49 | 71 | 89 | 116 | 117 |
Swell 2 Height (m) Direction Period (s) | 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 | WNW 9 | WNW 9 | WNW 9 |
| kJ | 3 | 3 | 3 | 3 | 4 | 3 | 3 | 3 | 5 | 5 | 5 | 4 | 14 | 6 | 14 | 15 | 16 | 16 | 16 |
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 | S 13 | S 13 | S 13 |
| kJ | — | — | — | — | — | — | 4 | — | 3 | 2 | 4 | 4 | 4 | 9 | 2 | 2 | 3 | 3 | 3 |
Wind waves Height (m) Direction Period (s) | N 8 | N 8 | N 6 | N 6 | N 7 | N 6 | N 6 | N 6 | N 6 | N 7 | N 6 | N 6 | N 6 | N 6 | N 6 | N 7 | N 7 | N 7 | N 7 |
| kJ | 185 | 213 | 121 | 153 | 200 | 160 | 173 | 161 | 143 | 126 | 123 | 143 | 139 | 135 | 139 | 126 | 134 | 117 | 106 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 231 | 251 | 251 | 38 | 251 | 251 | 256 | 38 | 231 | 38 | 251 | 38 | 231 | 38 | 38 | 38 | 38 | 256 | 38 |
Best forecast wave conditions in Lanzarote | |||||||||||||||||||
Best forecast wave conditions in Spain (Africa) | |||||||||||||||||||
Header Global | |||||||||||||||||||
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