Surf Forecasts:
How big are the waves at San Juan today (17 Sep):
- Morning surf: Morning surf (17 Sep, local time) - 7ft (2.2m), 8s period with NNE swell.
- Afternoon surf: Afternoon surf (17 Sep, local time) - 7ft (2.1m), 8s period with NNE swell.
- Evening surf: Evening surf (17 Sep, local time) - 6.5ft (2.0m), 8s period with N swell.
The current surf forecast for San Juan at 3PM is: 2.1m 8s primary swell from a North-northeast direction and 0.5m 10s secondary swell from a Northwest direction, 0.4m 12s secondary swell from a Northwest direction (forecast issued at 12:00pm September 17). The wind direction is predicted to be cross-onshore.
| Time (WEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | 7ft (2.2m) | 8s |
| Afternoon (17 Sep) | 7ft (2.1m) | 8s |
| Evening (17 Sep) | 6.5ft (2.0m) | 8s |
Table - waves today at San Juan. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 23°C on Fri morning, min 21°C on Thu morning). Mainly fresh winds. | |||||||||||||||||||||
Thu 17 | Friday 18 | Saturday 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) | NNE 8 | NNE 8 | NNE 8 | N 8 | N 8 | N 9 | N 10 | N 10 | N 10 | N 10 | N 10 | N 10 | N 10 | N 9 | N 9 | N 9 | N 9 | N 9 | N 9 | N 9 | N 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 555 | 534 | 533 | 535 | 608 | 621 | 755 | 660 | 745 | 673 | 687 | 654 | 654 | 601 | 693 | 664 | 588 | 575 | 516 | 450 | 390 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | on | on | on | on | on |
High Tide | 6:06PM1.72m | 6:28AM1.74m | 7:06PM1.54m | 7:45AM1.61m | 8:54PM1.45m | ||||||||||||||||
Low Tide | 11:50AM0.66m | 00:01AM0.78m | 12:45PM0.84m | 1:01AM0.94m | 2:21PM0.96m | ||||||||||||||||
 | |  | |  | |  |  | | | | | | | | | | | | | | |
 | 7:39 | — | — | — | — | — | — | 7:39 | — | — | — | — | — | — | — | 7:39 | — | — | — | — | — |
 | — | — | — | 7:57 | — | — | — | — | — | — | — | 7:55 | — | — | — | — | — | — | — | 7:54 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 21 | 22 | 22 | 21 | 21 | 22 | 21 | 22 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 22 |
Feels °C | 18 | 17 | 18 | 18 | 16 | 18 | 19 | 17 | 19 | 20 | 20 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 21 | 22 | 22 |
Swell 1 Height (m) Direction Period (s) | NW 10 | NW 10 | NW 10 | NNW 12 | NNW 12 | NW 11 | NW 11 | NNW 11 | NW 11 | NNW 11 | NNW 10 | NW 10 | NNW 10 | NNW 10 | NW 16 | NNW 15 | N 9 | N 9 | N 9 | N 9 | N 9 |
| kJ | 47 | 47 | 35 | 59 | 57 | 133 | 99 | 107 | 94 | 75 | 68 | 50 | 58 | 40 | 10 | 21 | 588 | 575 | 516 | 450 | 390 |
Swell 2 Height (m) Direction Period (s) | NE 9 | NW 12 | NW 12 | NW 10 | NW 10 | — | — | NW 9 | — | — | — | — | N 16 | N 16 | N 20 | N 19 | NNW 14 | NNW 14 | NNW 13 | N 16 | N 16 |
| kJ | 21 | 39 | 39 | 24 | 34 | — | — | 23 | — | — | — | — | 5 | 5 | 8 | 29 | 41 | 36 | 57 | 137 | 179 |
Swell 3 Height (m) Direction Period (s) | NNW 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | N 18 | NNW 18 | NNW 17 | N 12 | NNW 11 |
| kJ | 17 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 26 | 62 | 99 | 76 | 74 |
Wind waves Height (m) Direction Period (s) | NNE 8 | NNE 8 | NNE 8 | N 8 | N 8 | N 9 | N 10 | N 10 | N 10 | N 10 | N 10 | N 10 | N 10 | N 9 | N 9 | N 9 | — | — | — | — | — |
| kJ | 555 | 534 | 533 | 535 | 608 | 621 | 755 | 660 | 745 | 673 | 687 | 654 | 654 | 601 | 693 | 664 | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 259 | 256 | 256 | 231 | 256 | 330 | 256 | 256 | 231 | 231 | 231 | 231 | 231 | 231 | 38 | 38 | 38 | 38 | 38 | 38 | 38 |
Best forecast wave conditions in Lanzarote | |||||||||||||||||||||
Best forecast wave conditions in Spain (Africa) | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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