Surf Forecasts:
How big are the waves at Islita today (19 Sep):
- Afternoon surf: Afternoon surf (19 Sep, local time) - 2ft (0.6m), 18s period with SW swell.
- Evening surf: Evening surf (19 Sep, local time) - 2ft (0.6m), 21s period with SW swell.
The current surf forecast for Islita at 9PM is: 0.6m 21s primary swell from a Southwest direction and 0.8m 7s secondary swell from a South direction, 0.6m 12s secondary swell from a Southwest direction (forecast issued at 05:00pm September 19). The wind direction is predicted to be cross-onshore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Sep) | - | - |
| Afternoon (19 Sep) | 2ft (0.6m) | 18s |
| Evening (19 Sep) | 2ft (0.6m) | 21s |
Table - waves today at Islita. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 96mm), heaviest during Sat night. Warm (max 29°C on Sat afternoon, min 24°C on Sat night). Wind will be generally light. | |||||||||||||||||||
Sat 19 | Sunday 20 | Monday 21 | |||||||||||||||||
3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | SW 18 | SW 18 | SW 21 | SW 18 | SW 19 | SW 19 | SW 19 | SW 19 | SW 19 | SW 19 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 17 | SW 17 | SW 16 |
Wave Graph  | |||||||||||||||||||
 kJ | 199 | 199 | 274 | 328 | 432 | 441 | 621 | 621 | 614 | 510 | 452 | 437 | 510 | 510 | 679 | 679 | 582 | 487 | 380 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | off | on | glassy | glassy | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross | cross-on | glassy | cross-on | on | cross-on |
High Tide | 8:38PM1.80m | 8:58AM1.94m | 9:50PM1.76m | 10:09AM1.90m | |||||||||||||||
Low Tide | 2:27PM0.75m | 2:38AM0.91m | 3:34PM0.82m | 3:52AM0.96m | 4:45PM0.81m | ||||||||||||||
 |  | | |  |  |  |  | |  | | | | | | | | | | |
 | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — |
 | 5:38 | — | — | — | — | — | — | — | 5:38 | — | — | — | — | — | — | — | 5:37 | — | — |
mm | 2 | 2 | 7 | 44 | 8 | 1 | — | — | — | — | 1 | 2 | 2 | 1 | 3 | — | — | 2 | 2 |
Temp °C | 29 | 28 | 28 | 24 | 25 | 25 | 27 | 29 | 29 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 28 | 27 | 26 |
Feels °C | 33 | 33 | 33 | 27 | 29 | 30 | 32 | 32 | 32 | 31 | 31 | 31 | 31 | 29 | 29 | 31 | 32 | 31 | 30 |
Swell 1 Height (m) Direction Period (s) | S 7 | S 7 | S 7 | S 7 | S 7 | SW 19 | SW 19 | SW 19 | SW 19 | SW 19 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | S 7 | S 7 | S 7 |
| kJ | 51 | 64 | 64 | 62 | 59 | 441 | 621 | 621 | 614 | 510 | 452 | 437 | 510 | 510 | 679 | 679 | 89 | 92 | 77 |
Swell 2 Height (m) Direction Period (s) | SW 13 | SW 12 | SW 12 | SW 18 | SW 19 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | S 7 | SW 11 | SW 17 | SW 17 | SW 16 |
| kJ | 132 | 126 | 120 | 328 | 432 | 62 | 60 | 62 | 62 | 69 | 71 | 69 | 63 | 75 | 70 | 59 | 582 | 487 | 380 |
Swell 3 Height (m) Direction Period (s) | SW 18 | SW 18 | SW 21 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SW 11 | SW 11 | — | SW 11 | SW 11 | SW 11 |
| kJ | 199 | 199 | 274 | 118 | 116 | 116 | 116 | 114 | 94 | 93 | 91 | 88 | 85 | 60 | 60 | — | 59 | 58 | 58 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | ESE 3 | S 7 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 7 | 88 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 64 | 14 | 39 | 0 | 33 | 0 | 0 | 57 | 57 | 30 | 19 | 30 | 14 | 14 | 39 | 0 | 30 | 33 | 14 |
Best forecast wave conditions in Guanacaste | |||||||||||||||||||
Best forecast wave conditions in Costa Rica | |||||||||||||||||||
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