Surf Forecasts:
How big are the waves at Islita today (18 Jul):
- Morning surf: Morning surf (18 Jul, local time) - 2.5ft (0.7m), 14s period with S swell.
- Afternoon surf: Afternoon surf (18 Jul, local time) - 2.5ft (0.7m), 14s period with S swell.
- Evening surf: Evening surf (18 Jul, local time) - 3ft (0.9m), 13s period with SSW swell.
The current surf forecast for Islita at 4AM is: 0.9m 13s primary swell from a South-southwest direction and 0.4m 14s secondary swell from a Southwest direction (forecast issued at 11:00pm July 17). The wind direction is predicted to be offshore and the swell rating is 2.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jul) | 2.5ft (0.7m) | 14s |
| Afternoon (18 Jul) | 2.5ft (0.7m) | 14s |
| Evening (18 Jul) | 3ft (0.9m) | 13s |
Table - waves today at Islita. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 8mm), mostly falling on Mon afternoon. Warm (max 30°C on Sat morning, min 25°C on Sat night). Wind will be generally light. | |||||||||||||||||
Saturday 18 | Sunday 19 | ||||||||||||||||
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) | SSW 13 | SSW 13 | SSW 13 | S 14 | S 14 | SSW 12 | S 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | S 14 | S 14 | SSW 12 | S 12 | S 12 | S 12 |
Wave Graph  | |||||||||||||||||
 kJ | 307 | 336 | 431 | 198 | 203 | 164 | 198 | 339 | 298 | 367 | 367 | 184 | 372 | 189 | 304 | 304 | 309 |
Wind (km/h) | |||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | off | off | off | glassy | cross-on | cross-off | off | off | off | off | off | glassy | cross-on | glassy | off |
High Tide | 5:28AM2.72m | 5:43PM2.56m | 6:15AM2.66m | 6:32PM2.41m | |||||||||||||
Low Tide | 11:10PM-0.00m | 11:39AM0.22m | 11:56PM0.11m | 12:29PM0.31m | |||||||||||||
 |  | |  |  | | |  | | | | | | |  | | | |
 | — | — | 5:28 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 6:06 | — | — | — | — | — | — | — | 6:06 | — |
mm | 1 | — | 1 | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — |
Temp °C | 27 | 26 | 26 | 26 | 28 | 30 | 30 | 28 | 27 | 26 | 25 | 25 | 28 | 30 | 30 | 28 | 27 |
Feels °C | 31 | 30 | 29 | 29 | 32 | 34 | 34 | 32 | 31 | 29 | 28 | 28 | 32 | 34 | 34 | 32 | 29 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | S 14 | SSW 12 | S 12 | S 12 | S 12 |
| kJ | 307 | 336 | 431 | 164 | 164 | 164 | 164 | 339 | 298 | 367 | 367 | 145 | 372 | 189 | 304 | 304 | 309 |
Swell 2 Height (m) Direction Period (s) | SSW 7 | S 7 | SW 14 | S 14 | S 14 | S 14 | S 14 | S 6 | SSW 6 | SSW 7 | SSW 7 | S 14 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 |
| kJ | 15 | 14 | 46 | 198 | 203 | 150 | 198 | 29 | 33 | 45 | 45 | 184 | 44 | 44 | 43 | 43 | 43 |
Swell 3 Height (m) Direction Period (s) | S 16 | S 16 | SW 17 | S 6 | S 6 | S 6 | S 6 | SW 19 | S 16 | SW 19 | SW 19 | SSW 6 | SW 19 | S 14 | SW 18 | SW 18 | SW 18 |
| kJ | 81 | 81 | 45 | 12 | 20 | 20 | 20 | 130 | 81 | 94 | 59 | 44 | 219 | 146 | 194 | 194 | 194 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | SSW 6 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 22 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 |
Best forecast wave conditions in Guanacaste | |||||||||||||||||
Best forecast wave conditions in Costa Rica | |||||||||||||||||
Header Global | |||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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