Surf Forecasts:
How big are the waves at San Juan today (20 Sep):
- 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 10PM is: 0.7m 13s primary swell from a North-northwest direction and 1.0m 8s secondary swell from a North direction (forecast issued at 06:00pm September 20). The wind direction is predicted to be cross-onshore.
| Time (WEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | - | - |
| 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 26°C on Wed morning, min 21°C on Sun night). Wind will be generally light. | |||||||||||||||||||
Sun 20 | Monday 21 | Tuesday 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) | NNW 14 | NNW 13 | NNW 13 | NNW 13 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 11 | N 11 | NNW 11 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 12 | NNW 12 | NNW 12 | NNW 14 |
Wave Graph  | |||||||||||||||||||
 kJ | 189 | 184 | 178 | 173 | 160 | 195 | 189 | 199 | 268 | 242 | 194 | 194 | 158 | 136 | 133 | 136 | 131 | 125 | 73 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | glassy | cross-on | cross-on | on | on | glassy | cross-on | on | cross-on | on | on | on | cross-on | cross-on | on | on | cross-on | on |
High Tide | 10:39PM1.53m | 11:01AM1.74m | 11:38PM1.69m | 11:50AM1.92m | |||||||||||||||
Low Tide | 4:23PM0.92m | 4:38AM0.93m | 5:29PM0.77m | 5:35AM0.77m | 6:10PM0.59m | ||||||||||||||
 |  |  | | | | | |  | |  | | | | | | | | | |
 | — | — | — | — | — | 7:41 | — | — | — | — | — | — | — | 7:41 | — | — | — | — | — |
 | — | 7:53 | — | — | — | — | — | — | — | 7:52 | — | — | — | — | — | — | — | 7:51 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 22 | 22 | 22 | 22 | 21 | 21 | 22 | 24 | 24 | 24 | 22 | 22 | 22 | 23 | 24 | 25 | 25 | 24 | 23 |
Feels °C | 24 | 25 | 24 | 24 | 22 | 22 | 24 | 25 | 24 | 23 | 21 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 23 |
Swell 1 Height (m) Direction Period (s) | N 8 | N 8 | N 8 | N 8 | N 8 | NNW 12 | NNW 12 | NNW 12 | NNW 11 | NE 7 | NNW 11 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 12 | NNW 12 | NNW 11 |
| kJ | 156 | 152 | 122 | 94 | 92 | 195 | 189 | 199 | 268 | 27 | 194 | 194 | 158 | 136 | 133 | 100 | 131 | 125 | 73 |
Swell 2 Height (m) Direction Period (s) | NNW 14 | NNW 13 | NNW 13 | NNW 13 | NNW 12 | N 8 | N 8 | N 7 | NNE 8 | NW 9 | NE 8 | NE 8 | NE 7 | NE 8 | NNW 13 | NNW 12 | NE 7 | NE 7 | NNW 14 |
| kJ | 189 | 184 | 178 | 173 | 160 | 76 | 57 | 40 | 39 | 3 | 30 | 37 | 25 | 28 | 95 | 136 | 27 | 14 | 71 |
Swell 3 Height (m) Direction Period (s) | — | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NNE 8 | NNE 8 | NW 9 | N 16 | NW 9 | NW 9 | NNW 14 | NNW 13 | NE 8 | NE 8 | NW 9 | NW 9 | NE 7 |
| kJ | — | 3 | 10 | 15 | 20 | 28 | 40 | 39 | 3 | 5 | 3 | 3 | 36 | 69 | 32 | 30 | 21 | 21 | 14 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | N 7 | N 11 | N 4 | — | NE 4 | — | NNE 8 | — | N 7 | N 4 | N 4 |
| kJ | — | — | — | — | — | — | — | — | 51 | 242 | 10 | — | 7 | — | 56 | — | 33 | 19 | 25 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 2 | 0 | 10 | 10 | 10 | 9 | 0 | 10 | 231 | 231 | 38 | 9 | 9 | 10 | 33 | 17 | 259 | 231 | 38 |
Best forecast wave conditions in Lanzarote | |||||||||||||||||||
Best forecast wave conditions in Spain (Africa) | |||||||||||||||||||
Header Global | |||||||||||||||||||
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