Surf Forecasts:
How big are the waves at Islita today (14 Sep):
- Morning surf: Morning surf (14 Sep, local time) - 1.5ft (0.5m), 19s period with SW swell.
- Afternoon surf: Afternoon surf (14 Sep, local time) - 2ft (0.6m), 18s period with SW swell.
- Evening surf: Evening surf (14 Sep, local time) - 2.5ft (0.8m), 18s period with SW swell.
The current surf forecast for Islita at 3AM is: 0.5m 19s primary swell from a Southwest direction and 0.7m 9s secondary swell from a South direction, 0.6m 13s secondary swell from a Southwest direction (forecast issued at 11:00pm September 13). The wind direction is predicted to be offshore and the swell rating is 2.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Sep) | 1.5ft (0.5m) | 19s |
| Afternoon (14 Sep) | 2ft (0.6m) | 18s |
| Evening (14 Sep) | 2.5ft (0.8m) | 18s |
Table - waves today at Islita. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 22mm), heaviest during Tue night. Warm (max 30°C on Mon morning, min 26°C on Sun night). Wind will be generally light. | |||||||||||||||||
Monday 14 | Tuesday 15 | ||||||||||||||||
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 19 | SW 19 | SW 19 | SW 19 | SW 19 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 17 | SW 17 | SW 17 | SW 16 |
Wave Graph  | |||||||||||||||||
 kJ | 184 | 299 | 183 | 181 | 173 | 192 | 246 | 366 | 370 | 379 | 379 | 249 | 249 | 439 | 499 | 459 | 376 |
Wind (km/h) | |||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | off | cross-off | off | glassy | on | glassy | off | off | glassy | cross-off | cross-off | cross-on | on | on | glassy |
High Tide | 4:28AM2.72m | 4:50PM2.49m | 5:06AM2.62m | 5:29PM2.37m | |||||||||||||
Low Tide | 10:15PM0.16m | 10:43AM0.14m | 10:53PM0.24m | 11:23AM0.22m | |||||||||||||
 | |  |  | | |  | | |  | | |  | | | | | |
 | — | — | 5:31 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 5:42 | — | — | — | — | — | — | — | 5:42 | — | — |
mm | 2 | 1 | — | — | — | — | 1 | 1 | 1 | — | — | — | — | 1 | 1 | 3 | 4 |
Temp °C | 27 | 26 | 26 | 26 | 28 | 30 | 29 | 27 | 26 | 26 | 26 | 26 | 29 | 30 | 29 | 27 | 27 |
Feels °C | 31 | 30 | 30 | 30 | 32 | 34 | 33 | 32 | 30 | 30 | 30 | 30 | 33 | 32 | 31 | 31 | 32 |
Swell 1 Height (m) Direction Period (s) | S 9 | S 9 | S 9 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | SW 17 | SW 17 | SW 16 |
| kJ | 74 | 73 | 73 | 71 | 92 | 92 | 92 | 92 | 92 | 90 | 90 | 111 | 111 | 113 | 499 | 459 | 376 |
Swell 2 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 14 | SW 17 | S 8 | S 8 | S 8 |
| kJ | 136 | 134 | 128 | 74 | 73 | 192 | 246 | 366 | 370 | 379 | 379 | 249 | 203 | 439 | 113 | 111 | 108 |
Swell 3 Height (m) Direction Period (s) | SW 19 | SW 19 | SW 19 | SW 19 | SW 19 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 14 | SW 18 | SW 13 | SW 13 | SW 13 | SW 13 |
| kJ | 184 | 299 | 183 | 181 | 173 | 72 | 71 | 69 | 69 | 69 | 68 | 132 | 249 | 109 | 109 | 109 | 106 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 43 | 0 | 0 | 0 | 0 | 0 | 0 | 39 | 109 | 33 | 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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