Surf Forecasts:
How big are the waves at San Juan today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 2.5ft (0.8m), 12s period with NNW swell.
- Afternoon surf: Afternoon surf (21 Sep, local time) - 3ft (0.9m), 11s period with NNW swell.
- Evening surf: Evening surf (21 Sep, local time) - 3ft (0.9m), 11s period with NNW swell.
The current surf forecast for San Juan at 1PM is: 0.9m 12s primary swell from a North-northwest direction and 0.6m 7s secondary swell from a North direction (forecast issued at 06:00am September 21). The wind direction is predicted to be onshore.
| Time (WEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | 2.5ft (0.8m) | 12s |
| Afternoon (21 Sep) | 3ft (0.9m) | 11s |
| Evening (21 Sep) | 3ft (0.9m) | 11s |
Table - waves today at San Juan. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Wed morning, min 22°C on Mon morning). Wind will be generally light. | |||||||||||||||||||||||
Monday 21 | Tuesday 22 | Wednesday 23 | |||||||||||||||||||||
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) | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 11 | NNW 11 | NNW 11 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 12 | NNW 12 | NNW 12 | NNW 14 | NNW 11 | NNW 11 | NNW 12 | NNW 12 | NW 16 | NW 16 | NW 16 | NW 15 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 160 | 195 | 189 | 199 | 268 | 198 | 194 | 194 | 184 | 136 | 133 | 136 | 131 | 125 | 73 | 79 | 111 | 125 | 161 | 219 | 306 | 353 | 435 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | cross-on | on | glassy | cross-on | on | on | cross-on | on | cross-on | cross-on | on | on | on | on | on | on | on | on |
High Tide | 11:01AM1.74m | 11:38PM1.69m | 11:50AM1.92m | 00:18AM1.86m | 12:27PM2.11m | ||||||||||||||||||
Low Tide | 4:38AM0.93m | 5:29PM0.77m | 5:35AM0.77m | 6:10PM0.59m | 6:14AM0.60m | 6:43PM0.41m | |||||||||||||||||
 | |  | |  | |  | | |  |  | | | | | | | | | | | | | |
 | — | 7:41 | — | — | — | — | — | — | — | 7:41 | — | — | — | — | — | — | — | 7:41 | — | — | — | — | — |
 | — | — | — | — | — | 7:52 | — | — | — | — | — | — | — | 7:51 | — | — | — | — | — | — | — | 7:50 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 21 | 22 | 24 | 25 | 23 | 22 | 22 | 22 | 23 | 24 | 25 | 24 | 24 | 23 | 23 | 23 | 24 | 25 | 26 | 26 | 25 | 24 |
Feels °C | 22 | 23 | 24 | 25 | 24 | 22 | 22 | 24 | 21 | 23 | 23 | 25 | 23 | 24 | 24 | 24 | 24 | 25 | 25 | 26 | 26 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | N 8 | NNW 12 | NNW 12 | NNW 12 | NNW 11 | NNW 11 | NNW 11 | NNW 11 | NNW 10 | NE 8 | NNW 10 | NNW 10 | NNW 12 | NNW 12 | NNW 11 | NNW 11 | NNW 11 | NNW 12 | NNW 12 | NW 16 | NW 16 | NW 16 | NW 15 |
| kJ | 92 | 195 | 189 | 199 | 268 | 198 | 194 | 194 | 184 | 35 | 133 | 100 | 131 | 125 | 73 | 79 | 111 | 125 | 161 | 219 | 306 | 353 | 435 |
Swell 2 Height (m) Direction Period (s) | NNW 12 | N 8 | N 8 | N 7 | NNE 8 | NE 7 | NE 8 | NE 8 | NE 8 | NNW 13 | NE 8 | NNW 12 | NW 9 | NW 9 | NNW 14 | NE 7 | NE 7 | NE 7 | NW 18 | NNW 12 | NNW 12 | NNW 11 | WNW 10 |
| kJ | 160 | 76 | 57 | 40 | 39 | 27 | 30 | 48 | 35 | 69 | 41 | 136 | 21 | 21 | 71 | 33 | 25 | 23 | 150 | 125 | 121 | 87 | 19 |
Swell 3 Height (m) Direction Period (s) | NE 8 | NE 8 | NNE 8 | NNE 8 | NW 9 | NW 9 | NW 9 | NW 9 | NNW 14 | NW 9 | NNW 13 | NE 8 | NW 8 | W 8 | NNW 9 | NNW 13 | N 7 | N 6 | NE 5 | N 6 | N 6 | WNW 10 | WNW 11 |
| kJ | 20 | 28 | 40 | 39 | 3 | 3 | 3 | 3 | 36 | 3 | 95 | 39 | 3 | 1 | 16 | 69 | 24 | 20 | 13 | 6 | 7 | 20 | 11 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | N 7 | N 3 | N 4 | — | NNE 7 | NNW 10 | — | — | NNE 7 | NNE 7 | NNE 7 | N 7 | NNE 5 | — | — | NNE 6 | NE 6 | NNE 6 | NNE 6 |
| kJ | — | — | — | — | 39 | 5 | 11 | — | 36 | 136 | — | — | 69 | 69 | 63 | 33 | 17 | — | — | 26 | 29 | 46 | 43 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 9 | 9 | 9 | 14 | 212 | 231 | 38 | 0 | 38 | 33 | 33 | 66 | 259 | 326 | 38 | 9 | 9 | 9 | 33 | 38 | 33 | 33 | 33 |
Best forecast wave conditions in Lanzarote | |||||||||||||||||||||||
Best forecast wave conditions in Spain (Africa) | |||||||||||||||||||||||
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