Surf Forecasts:
How big are the waves at San Juan today (18 Jun):
- Morning surf: Morning surf (18 Jun, local time) - 2.5ft (0.8m), 10s period with NW swell.
- Afternoon surf: Afternoon surf (18 Jun, local time) - 2.5ft (0.8m), 10s period with NW swell.
- Evening surf: Evening surf (18 Jun, local time) - 3.5ft (1.0m), 7s period with N swell.
The current surf forecast for San Juan at 11AM is: 0.8m 10s primary swell from a Northwest direction and 0.9m 6s secondary swell from a North direction (forecast issued at 06:00am June 18). The wind direction is predicted to be cross-onshore.
| Time (WEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jun) | 2.5ft (0.8m) | 10s |
| Afternoon (18 Jun) | 2.5ft (0.8m) | 10s |
| Evening (18 Jun) | 3.5ft (1.0m) | 7s |
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 19°C on Thu morning). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sun 21 | |||||||||||||||||||||
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 | 1 AM | |
Swell Height Map |  |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | N 7 | N 7 | N 7 | N 7 | N 7 | NW 10 | N 6 | N 6 | NNE 6 | NNE 7 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 137 | 134 | 129 | 127 | 124 | 98 | 96 | 89 | 70 | 70 | 74 | 66 | 66 | 56 | 73 | 70 | 53 | 51 | 50 | 48 | 33 | 33 | 33 | 45 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | cross-on | cross-on | on | on | on | on | on | on | on | on | on |
High Tide | 5:00PM2.49m | 5:35AM2.11m | 5:52PM2.37m | 6:29AM1.99m | 6:47PM2.23m | |||||||||||||||||||
Low Tide | 10:38AM0.27m | 11:22PM0.16m | 11:28AM0.38m | 00:16AM0.30m | 12:21PM0.50m | |||||||||||||||||||
 |  | | | | |  | | | | | |  | | | | | | | | | | | | |
 | 6:54 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — | 6:54 |
 | — | — | — | — | — | 8:54 | — | — | — | — | — | — | — | 8:54 | — | — | — | — | — | — | — | 8:55 | — | 8:55 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 18 | 19 | 20 | 21 | 20 | 19 | 19 | 19 | 19 | 20 | 21 | 21 | 20 | 19 | 19 | 19 | 19 | 20 | 20 | 21 | 21 | 20 | 19 |
Feels °C | 17 | 17 | 18 | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 18 |
Swell 1 Height (m) Direction Period (s) | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | N 7 | NW 9 | NW 10 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | WNW 8 | NW 9 | NW 9 | NW 8 | NW 8 | NW 8 | NW 8 | WNW 8 |
| kJ | 137 | 134 | 129 | 127 | 124 | 98 | 96 | 77 | 70 | 54 | 74 | 52 | 41 | 29 | 29 | 29 | 28 | 38 | 36 | 35 | 33 | 33 | 33 | 45 |
Swell 2 Height (m) Direction Period (s) | N 11 | N 11 | — | N 10 | N 10 | N 10 | N 10 | N 9 | NW 10 | WNW 10 | N 9 | WNW 10 | WNW 9 | WNW 9 | WNW 9 | NW 9 | NW 9 | N 11 | N 11 | N 8 | N 10 | NW 10 | WNW 10 | N 10 |
| kJ | 2 | 2 | — | 2 | 2 | 2 | 2 | 2 | 61 | 10 | 2 | 9 | 9 | 17 | 16 | 20 | 13 | 2 | 2 | 1 | 2 | 4 | 10 | 2 |
Swell 3 Height (m) Direction Period (s) | N 11 | — | — | N 10 | — | — | — | N 10 | NW 9 | N 9 | N 9 | N 9 | N 8 | N 8 | NW 12 | N 8 | N 8 | N 11 | W 11 | N 11 | N 8 | N 8 | N 15 | N 14 |
| kJ | 2 | — | — | 2 | — | — | — | 2 | 22 | 2 | 2 | 1 | 1 | 1 | 6 | 1 | 5 | 3 | 2 | 2 | 1 | 1 | 4 | 4 |
Wind waves Height (m) Direction Period (s) | N 6 | N 6 | N 6 | N 6 | N 6 | N 7 | N 7 | N 7 | — | N 7 | N 6 | N 6 | N 6 | NNE 6 | NNE 7 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 |
| kJ | 61 | 73 | 61 | 63 | 83 | 88 | 89 | 89 | — | 70 | 68 | 66 | 66 | 56 | 73 | 70 | 53 | 51 | 50 | 48 | 33 | 31 | 33 | 38 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 38 | 38 | 149 | 17 | 330 | 335 | 331 | 149 | 314 | 334 | 38 | 149 | 149 | 514 | 38 | 38 | 38 | 38 | 38 | 38 | 514 | 514 | 276 | 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)
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