Surf Forecasts:
How big are the waves at San Juan today (17 Aug):
- Morning surf: Morning surf (17 Aug, local time) - 4ft (1.2m), 9s period with N swell.
- Afternoon surf: Afternoon surf (17 Aug, local time) - 4ft (1.2m), 9s period with N swell.
- Evening surf: Evening surf (17 Aug, local time) - 4ft (1.2m), 9s period with N swell.
The current surf forecast for San Juan at 4PM is: 1.2m 9s primary swell from a North direction and 0.4m 8s secondary swell from a Northwest direction (forecast issued at 12:00pm August 17). The wind direction is predicted to be onshore.
| Time (WEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Aug) | 4ft (1.2m) | 9s |
| Afternoon (17 Aug) | 4ft (1.2m) | 9s |
| Evening (17 Aug) | 4ft (1.2m) | 9s |
Table - waves today at San Juan. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 24°C on Mon morning, min 21°C on Mon night). Wind will be generally light. | |||||||||||||||||||||
Mon 17 | Tuesday 18 | Wednesday 19 | |||||||||||||||||||
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 9 | N 8 | N 9 | N 9 | N 9 | N 9 | N 9 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 215 | 177 | 210 | 220 | 189 | 184 | 180 | 135 | 132 | 132 | 129 | 132 | 132 | 135 | 109 | 163 | 160 | 133 | 133 | 130 | 130 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | on | on | on | on | on | on | cross-on | cross-on |
High Tide | 5:27PM2.23m | 5:49AM2.04m | 6:07PM1.99m | 6:30AM1.88m | 6:53PM1.77m | ||||||||||||||||
Low Tide | 11:09AM0.33m | 11:35PM0.40m | 11:49AM0.50m | 00:11AM0.59m | 12:34PM0.68m | ||||||||||||||||
 | | | |  | | | | | | |  |  |  | | | | | | | | |
 | 7:22 | — | — | — | — | — | — | 7:24 | — | — | — | — | — | — | — | 7:24 | — | — | — | — | — |
 | — | — | — | 8:31 | — | — | — | — | — | — | — | 8:30 | — | — | — | — | — | — | — | 8:30 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 23 | 24 | 23 | 23 | 22 | 22 | 21 | 21 | 22 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 22 |
Feels °C | 22 | 23 | 22 | 22 | 23 | 23 | 21 | 21 | 22 | 23 | 24 | 25 | 24 | 22 | 24 | 24 | 22 | 24 | 23 | 23 | 23 |
Swell 1 Height (m) Direction Period (s) | N 9 | N 8 | N 9 | N 9 | N 9 | N 9 | N 9 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 |
| kJ | 215 | 177 | 210 | 220 | 189 | 184 | 180 | 135 | 132 | 132 | 129 | 132 | 132 | 135 | 109 | 163 | 160 | 133 | 133 | 130 | 130 |
Swell 2 Height (m) Direction Period (s) | NNW 8 | NNW 8 | NW 8 | NNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 |
| kJ | 44 | 45 | 17 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 6 |
Swell 3 Height (m) Direction Period (s) | WNW 8 | WNW 9 | WNW 8 | WNW 8 | NNW 8 | NNW 8 | NW 8 | S 14 | S 14 | S 14 | S 14 | NW 9 | NW 9 | WNW 9 | S 13 | SW 13 | S 13 | S 13 | S 13 | NW 11 | NW 11 |
| kJ | 6 | 8 | 7 | 7 | 7 | 6 | 3 | 4 | 4 | 4 | 4 | 3 | 3 | 8 | 3 | 7 | 3 | 3 | 3 | 5 | 4 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NNW 3 | — | NNE 4 | — | — | — | N 3 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | — | 4 | — | — | — | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 38 | 149 | 149 | 17 | 9 | 10 | 10 | 10 | 10 | 17 | 14 | 10 | 10 | 38 | 9 | 9 | 38 | 17 | 251 | 231 | 231 |
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)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our San Juan surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest