Surf Forecasts:
How big are the waves at San Juan today (20 Sep):
- Morning surf: Morning surf (20 Sep, local time) - 4.5ft (1.3m), 8s period with N swell.
- Afternoon surf: Afternoon surf (20 Sep, local time) - 2.5ft (0.7m), 14s period with NNW swell.
- Evening surf: Evening surf (20 Sep, local time) - 2.5ft (0.7m), 13s period with NNW swell.
The current surf forecast for San Juan at 12PM is: 0.7m 14s primary swell from a North-northwest direction and 1.2m 8s secondary swell from a North direction (forecast issued at 06:00am September 20). The wind direction is predicted to be onshore.
| Time (WEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | 4.5ft (1.3m) | 8s |
| Afternoon (20 Sep) | 2.5ft (0.7m) | 14s |
| Evening (20 Sep) | 2.5ft (0.7m) | 13s |
Table - waves today at San Juan. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 25°C on Tue morning, min 21°C on Sun night). Wind will be generally light. | |||||||||||||||||||||||
Sunday 20 | Monday 21 | Tuesday 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 | NNW 15 | NNW 14 | NNW 14 | NNW 14 | NNW 13 | NNW 13 | NNW 13 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 11 | NNW 11 | NNW 11 | N 11 | NNW 10 | NNW 10 | NNW 10 | NNW 12 | NNW 12 | NNW 12 | NNW 14 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 319 | 234 | 215 | 207 | 189 | 184 | 178 | 173 | 160 | 195 | 203 | 199 | 268 | 198 | 194 | 238 | 184 | 136 | 133 | 136 | 131 | 125 | 73 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | cross-on | on | on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | on | cross-on | on | on | cross-on | cross-on | on | on | cross-on | on |
High Tide | 9:39AM1.60m | 10:39PM1.53m | 11:01AM1.74m | 11:38PM1.69m | 11:50AM1.92m | ||||||||||||||||||
Low Tide | 2:52AM1.02m | 4:23PM0.92m | 4:38AM0.93m | 5:29PM0.77m | 5:35AM0.77m | 6:10PM0.59m | |||||||||||||||||
 | |  | |  | | | | | | | | | | |  | |  | | | | | | |
 | — | 7:41 | — | — | — | — | — | — | — | 7:41 | — | — | — | — | — | — | — | 7:41 | — | — | — | — | — |
 | — | — | — | — | — | 7:53 | — | — | — | — | — | — | — | 7:52 | — | — | — | — | — | — | — | 7:51 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 22 | 23 | 24 | 24 | 23 | 22 | 22 | 23 | 24 | 25 | 25 | 23 | 23 |
Feels °C | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 22 | 23 | 24 | 25 | 24 | 24 | 23 | 22 | 23 | 24 | 24 | 24 | 24 | 22 | 23 |
Swell 1 Height (m) Direction Period (s) | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | NNW 12 | NNW 12 | NNW 12 | NNW 11 | NNW 11 | NNW 11 | N 11 | NNW 10 | NNW 10 | NNW 10 | NNW 12 | NNW 12 | NNW 12 | NNW 11 |
| kJ | 319 | 234 | 195 | 190 | 156 | 125 | 122 | 94 | 92 | 195 | 203 | 199 | 268 | 198 | 194 | 238 | 184 | 136 | 133 | 136 | 131 | 125 | 73 |
Swell 2 Height (m) Direction Period (s) | NNW 15 | NNW 15 | NNW 14 | NNW 14 | NNW 14 | NNW 13 | NNW 13 | NNW 13 | NNW 12 | N 8 | N 8 | N 7 | NNE 8 | NE 7 | NE 7 | NE 8 | NE 8 | NE 8 | NNW 13 | NE 8 | NE 7 | NE 7 | NNW 14 |
| kJ | 246 | 222 | 215 | 207 | 189 | 184 | 178 | 173 | 160 | 76 | 57 | 40 | 39 | 27 | 27 | 28 | 28 | 30 | 95 | 29 | 27 | 14 | 71 |
Swell 3 Height (m) Direction Period (s) | NNW 11 | — | — | — | — | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NNE 8 | NNE 8 | NW 9 | NW 9 | NW 9 | NW 9 | NNW 14 | NNW 13 | NE 8 | N 7 | NW 9 | NW 9 | NE 8 |
| kJ | 70 | — | — | — | — | 3 | 10 | 15 | 20 | 28 | 40 | 39 | 3 | 3 | 3 | 3 | 36 | 69 | 32 | 10 | 21 | 21 | 15 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | N 7 | N 3 | N 3 | — | — | — | NNW 7 | NNW 10 | N 7 | N 7 | N 4 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 39 | 1 | 5 | — | — | — | 10 | 100 | 24 | 51 | 20 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 9 | 9 | 9 | 9 | 17 | 10 | 10 | 10 | 9 | 9 | 9 | 1 | 66 | 231 | 231 | 9 | 9 | 10 | 17 | 33 | 231 | 231 | 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