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) - 7ft (2.1m), 8s period with N swell.
The current surf forecast for San Juan at 1AM is: 2.0m 7s primary swell from a North-northeast direction and 0.5m 10s secondary swell from a Northwest direction (forecast issued at 06:00pm September 16). The wind direction is predicted to be 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) | 7ft (2.1m) | 8s |
Table - waves today at San Juan. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 23°C on Wed afternoon, min 21°C on Wed night). Mainly strong winds. | |||||||||||||||||||
Wed 16 | Thursday 17 | Friday 18 | |||||||||||||||||
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) | NE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 8 | 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 |
Wave Graph  | |||||||||||||||||||
 kJ | 168 | 237 | 306 | 400 | 456 | 557 | 507 | 520 | 533 | 535 | 617 | 683 | 739 | 646 | 673 | 660 | 687 | 725 | 654 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | on | on | on | cross-on | on | on | cross-on | cross-on | on | on | on | on | on |
High Tide | 5:24PM1.93m | 5:41AM1.91m | 6:06PM1.72m | 6:28AM1.74m | 7:06PM1.54m | ||||||||||||||
Low Tide | 11:22PM0.60m | 11:50AM0.66m | 00:01AM0.78m | 12:45PM0.84m | |||||||||||||||
 | |  |  | | |  | | | | |  | | | | | | | | |
 | — | — | — | — | — | 7:39 | — | — | — | — | — | — | — | 7:39 | — | — | — | — | — |
 | — | 7:58 | — | — | — | — | — | — | — | 7:57 | — | — | — | — | — | — | — | 7:55 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 23 | 22 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 22 | 23 | 23 | 22 | 22 |
Feels °C | 21 | 20 | 19 | 17 | 16 | 16 | 17 | 18 | 18 | 17 | 16 | 18 | 18 | 18 | 19 | 20 | 20 | 19 | 19 |
Swell 1 Height (m) Direction Period (s) | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 12 | NW 12 | NW 11 | NNW 11 | NNW 11 | NNW 10 | NNW 10 | NW 10 | NNW 10 |
| kJ | 30 | 29 | 51 | 50 | 49 | 48 | 47 | 47 | 25 | 23 | 114 | 137 | 126 | 81 | 78 | 71 | 69 | 50 | 68 |
Swell 2 Height (m) Direction Period (s) | NNW 9 | NNW 9 | — | — | NW 13 | NNW 13 | NE 9 | NW 12 | NW 12 | NNW 12 | NW 10 | — | — | NW 9 | — | — | — | — | N 16 |
| kJ | 16 | 15 | — | — | 7 | 18 | 22 | 39 | 39 | 58 | 25 | — | — | 23 | — | — | — | — | 5 |
Swell 3 Height (m) Direction Period (s) | WNW 8 | WNW 8 | — | — | — | NW 13 | NNW 13 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 6 | 6 | — | — | — | 7 | 17 | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 8 | 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 |
| kJ | 168 | 237 | 306 | 400 | 456 | 557 | 507 | 520 | 533 | 535 | 617 | 683 | 739 | 646 | 673 | 660 | 687 | 725 | 654 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 256 | 256 | 256 | 256 | 256 | 256 | 256 | 231 | 231 | 256 | 256 | 231 | 231 | 231 | 231 | 38 | 231 | 231 | 231 |
Best forecast wave conditions in Lanzarote | |||||||||||||||||||
Best forecast wave conditions in Spain (Africa) | |||||||||||||||||||
Header Global | |||||||||||||||||||
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