Surf Forecasts:
How big are the waves at Islita today (14 Aug):
- Afternoon surf: Afternoon surf (14 Aug, local time) - 3.5ft (1.1m), 18s period with SW swell.
- Evening surf: Evening surf (14 Aug, local time) - 4.5ft (1.3m), 18s period with SW swell.
The current surf forecast for Islita at 9PM is: 1.3m 18s primary swell from a Southwest direction and 0.8m 12s secondary swell from a South direction (forecast issued at 05:00pm August 14). The wind direction is predicted to be offshore and the swell rating is 4.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Aug) | - | - |
| Afternoon (14 Aug) | 3.5ft (1.1m) | 18s |
| Evening (14 Aug) | 4.5ft (1.3m) | 18s |
Table - waves today at Islita. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 17mm), heaviest on Sat night. Warm (max 31°C on Sat morning, min 24°C on Sun night). Wind will be generally light. | |||||||||||||||||||
Fri 14 | Saturday 15 | Sunday 16 | |||||||||||||||||
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 18 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 15 | SW 15 | SW 15 |
Wave Graph  | |||||||||||||||||||
 kJ | 777 | 871 | 1087 | 1050 | 1042 | 1123 | 1109 | 991 | 991 | 979 | 967 | 942 | 788 | 767 | 677 | 598 | 606 | 606 | 606 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | glassy | off | off | off | off | cross-off | on | glassy | glassy | glassy | off | cross-off | off | cross-off | glassy | glassy | glassy | glassy |
High Tide | 3:49PM2.69m | 4:17AM2.77m | 4:34PM2.64m | 5:00AM2.76m | 5:18PM2.54m | ||||||||||||||
Low Tide | 10:01PM0.00m | 10:28AM0.13m | 10:44PM0.05m | 11:13AM0.17m | |||||||||||||||
 |  |  | | |  | | | | | | | |  |  | | | |  | |
 | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — |
 | 5:59 | — | — | — | — | — | — | — | 5:59 | — | — | — | — | — | — | — | 5:59 | — | — |
mm | 1 | 2 | — | — | — | — | — | — | 2 | 1 | 3 | 1 | 2 | — | — | — | — | 2 | — |
Temp °C | 30 | 29 | 27 | 26 | 26 | 26 | 29 | 31 | 29 | 28 | 26 | 26 | 25 | 25 | 27 | 29 | 28 | 25 | 25 |
Feels °C | 34 | 33 | 30 | 29 | 29 | 29 | 33 | 35 | 34 | 33 | 31 | 30 | 29 | 28 | 30 | 33 | 32 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | SW 18 | SW 18 | SW 18 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 15 | SW 15 | SW 15 |
| kJ | 777 | 871 | 1087 | 1050 | 1042 | 1123 | 1109 | 991 | 991 | 979 | 967 | 942 | 788 | 767 | 677 | 598 | 606 | 606 | 606 |
Swell 2 Height (m) Direction Period (s) | S 11 | S 11 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 6 | S 7 | S 7 | S 7 | SSW 7 | SSW 7 | SSW 7 |
| kJ | 163 | 163 | 175 | 178 | 181 | 136 | 175 | 137 | 137 | 137 | 174 | 216 | 81 | 89 | 92 | 94 | 79 | 79 | 99 |
Swell 3 Height (m) Direction Period (s) | SW 14 | SW 14 | — | — | SW 10 | SW 10 | — | — | — | — | — | — | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 |
| kJ | 251 | 251 | — | — | 15 | 4 | — | — | — | — | — | — | 60 | 60 | 59 | 38 | 37 | 37 | 37 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 48 | 0 | 0 | 0 | 0 | 0 | 0 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Guanacaste | |||||||||||||||||||
Best forecast wave conditions in Costa Rica | |||||||||||||||||||
Header Global | |||||||||||||||||||
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