Surf Forecasts:
How big are the waves at Islita today (23 Aug):
- Morning surf: Morning surf (23 Aug, local time) - 3ft (0.9m), 9s period with S swell.
- Afternoon surf: Afternoon surf (23 Aug, local time) - 2ft (0.6m), 18s period with SW swell.
- Evening surf: Evening surf (23 Aug, local time) - 2ft (0.6m), 18s period with SW swell.
The current surf forecast for Islita at 10AM is: 0.6m 13s primary swell from a Southwest direction and 0.9m 9s secondary swell from a South direction (forecast issued at 05:00am August 23). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Aug) | 3ft (0.9m) | 9s |
| Afternoon (23 Aug) | 2ft (0.6m) | 18s |
| Evening (23 Aug) | 2ft (0.6m) | 18s |
Table - waves today at Islita. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 20mm), heaviest during Tue afternoon. Warm (max 30°C on Sun morning, min 25°C on Tue night). Wind will be generally light. | |||||||||||||||||||||||
Sunday 23 | Monday 24 | Tuesday 25 | |||||||||||||||||||||
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 | 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) | S 10 | SW 20 | S 9 | 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 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 149 | 186 | 142 | 224 | 263 | 260 | 260 | 260 | 258 | 258 | 255 | 252 | 243 | 346 | 330 | 322 | 318 | 211 | 211 | 163 | 206 | 203 | 198 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | cross-off | glassy | glassy | glassy | glassy | off | cross-off | cross-off | glassy | cross-on | glassy | glassy | glassy | off | off | off | cross-off | on | on | glassy | glassy |
High Tide | 10:49AM1.97m | 11:41PM1.79m | 11:54AM2.02m | 00:40AM1.89m | 12:49PM2.11m | ||||||||||||||||||
Low Tide | 4:28AM0.92m | 5:28PM0.77m | 5:37AM0.89m | 6:27PM0.69m | 6:37AM0.81m | 7:14PM0.58m | |||||||||||||||||
 |  |  | | |  | |  | |  | | | | | | | | |  | | | | | |
 | 5:31 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — |
 | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:53 | — | — |
mm | 2 | 1 | — | — | — | — | — | — | 1 | 2 | 1 | — | 1 | 1 | — | — | — | — | — | — | 4 | 7 | 3 |
Temp °C | 27 | 26 | 28 | 30 | 30 | 29 | 28 | 27 | 26 | 26 | 29 | 28 | 28 | 28 | 27 | 26 | 26 | 26 | 28 | 30 | 29 | 28 | 26 |
Feels °C | 32 | 30 | 32 | 35 | 35 | 34 | 32 | 31 | 29 | 30 | 34 | 33 | 33 | 33 | 31 | 30 | 30 | 30 | 31 | 33 | 33 | 33 | 30 |
Swell 1 Height (m) Direction Period (s) | S 10 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | SW 17 | S 9 | SW 17 | SW 16 | SW 16 | SW 16 | S 9 | S 9 | S 8 | SW 16 | SW 16 |
| kJ | 149 | 140 | 134 | 134 | 134 | 109 | 134 | 106 | 134 | 104 | 104 | 102 | 243 | 99 | 330 | 322 | 318 | 211 | 53 | 52 | 51 | 203 | 198 |
Swell 2 Height (m) Direction Period (s) | SW 13 | SSW 13 | SW 13 | SW 19 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 12 | SW 17 | S 9 | S 9 | S 9 | S 9 | SW 16 | SW 16 | SW 16 | S 8 | S 8 |
| kJ | 85 | 120 | 142 | 224 | 263 | 260 | 260 | 260 | 258 | 258 | 255 | 252 | 69 | 346 | 99 | 76 | 74 | 74 | 211 | 163 | 206 | 49 | 47 |
Swell 3 Height (m) Direction Period (s) | SW 20 | SW 20 | SW 20 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | NW 13 | SSW 12 | SSW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SSW 12 | SSW 11 | SSW 11 | SW 11 |
| kJ | 134 | 186 | 134 | 85 | 84 | 80 | 78 | 79 | 78 | 74 | 72 | 71 | 7 | 56 | 56 | 36 | 35 | 35 | 35 | 15 | 13 | 12 | 18 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | S 9 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 102 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 33 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 30 | 43 | 0 | 0 |
Best forecast wave conditions in Guanacaste | |||||||||||||||||||||||
Best forecast wave conditions in Costa Rica | |||||||||||||||||||||||
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