Surf Forecasts:
How big are the waves at Islita today (21 Oct):
- Morning surf: Morning surf (21 Oct, local time) - 3.5ft (1.0m), 14s period with SW swell.
- Afternoon surf: Afternoon surf (21 Oct, local time) - 3ft (0.9m), 14s period with SSW swell.
- Evening surf: Evening surf (21 Oct, local time) - 3ft (0.9m), 18s period with SSW swell.
The current surf forecast for Islita at 1PM is: 0.9m 14s primary swell from a South-southwest direction and 0.6m 19s secondary swell from a South-southwest direction (forecast issued at 05:00am October 21). The wind direction is predicted to be glassy and the swell rating is 3.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Oct) | 3.5ft (1.0m) | 14s |
| Afternoon (21 Oct) | 3ft (0.9m) | 14s |
| Evening (21 Oct) | 3ft (0.9m) | 18s |
Table - waves today at Islita. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 21mm), heaviest during Fri afternoon. Warm (max 29°C on Thu morning, min 26°C on Wed night). Wind will be generally light. | |||||||||||||||||||||||
Wednesday 21 | Thursday 22 | Friday 23 | |||||||||||||||||||||
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) | SW 14 | SW 14 | SW 14 | SSW 14 | SSW 14 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 401 | 395 | 390 | 347 | 347 | 404 | 491 | 541 | 637 | 622 | 487 | 464 | 458 | 539 | 788 | 778 | 666 | 666 | 657 | 493 | 530 | 515 | 431 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | glassy | glassy | glassy | glassy | glassy | glassy | cross-off | cross-off | cross | cross-on | on | glassy | glassy | cross | cross-off | glassy | glassy | on | on | glassy | glassy |
High Tide | 10:32AM1.89m | 11:12PM2.02m | 11:33AM1.97m | 00:01AM2.18m | 12:25PM2.08m | ||||||||||||||||||
Low Tide | 4:26AM0.92m | 4:50PM0.79m | 5:28AM0.81m | 5:42PM0.71m | 6:19AM0.64m | 6:28PM0.60m | |||||||||||||||||
 |  |  | |  |  |  |  | | | | | | | | |  |  | | | | | | |
 | 5:30 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — |
 | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:21 | — | — | — | — | — | — | — | 5:21 | — | — |
mm | 7 | — | — | — | 2 | — | — | 1 | — | 1 | — | — | 3 | 3 | 2 | 1 | — | — | — | — | 2 | 4 | 1 |
Temp °C | 25 | 25 | 27 | 28 | 28 | 27 | 27 | 26 | 26 | 26 | 28 | 29 | 28 | 27 | 27 | 26 | 26 | 26 | 28 | 29 | 28 | 27 | 27 |
Feels °C | 29 | 29 | 31 | 32 | 33 | 32 | 32 | 31 | 30 | 30 | 32 | 33 | 32 | 32 | 32 | 30 | 30 | 30 | 32 | 32 | 32 | 32 | 32 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 |
| kJ | 401 | 395 | 390 | 347 | 347 | 347 | 337 | 541 | 637 | 622 | 487 | 464 | 458 | 539 | 788 | 778 | 666 | 666 | 657 | 493 | 530 | 515 | 431 |
Swell 2 Height (m) Direction Period (s) | SSW 6 | SSW 20 | SSW 20 | SSW 19 | SSW 18 | SSW 18 | SSW 18 | SSW 14 | SSW 13 | SSW 13 | SW 13 | SW 13 | SW 13 | SW 13 | S 6 | S 6 | S 6 | SSW 20 | S 6 | SSW 19 | SSW 18 | SSW 18 | SSW 18 |
| kJ | 34 | 253 | 253 | 248 | 295 | 404 | 491 | 323 | 219 | 215 | 172 | 172 | 172 | 170 | 13 | 12 | 12 | 127 | 11 | 119 | 107 | 246 | 243 |
Swell 3 Height (m) Direction Period (s) | SSW 20 | S 8 | SW 6 | S 8 | S 7 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | S 7 | S 6 | WSW 6 | SW 6 | SSW 20 | S 6 | SSW 20 | S 6 | S 6 | S 6 | S 6 |
| kJ | 253 | 31 | 15 | 28 | 27 | 33 | 31 | 23 | 22 | 23 | 24 | 24 | 21 | 13 | 8 | 10 | 127 | 12 | 75 | 6 | 7 | 7 | 7 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 30 | 30 | 0 | 0 | 14 | 0 | 0 | 0 | 39 | 30 | 0 | 0 |
Best forecast wave conditions in Guanacaste | |||||||||||||||||||||||
Best forecast wave conditions in Costa Rica | |||||||||||||||||||||||
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