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Islita Surf Forecast
/ Guanacaste (28 surf breaks) /
Surf Forecasts:
Islita surfForecast / Guanacaste / Costa Rica
48hr Weather and Surf, issued 5 am Sunday 24 May 2026 CSTForecast update in hr min s Forecast update imminent
Islita surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Islita sea temperature is
30.6° C
(Which is 2.0°C warmer than normal for this time of year)How big are the waves at Islita today?
The current surf forecast for Islita at 12PM is: 0.6m 18s primary swell from a Southwest direction and 0.7m 8s secondary swell from a South direction, 0.6m 15s secondary swell from a Southwest direction (forecast issued at 05:00am May 24). The wind direction is predicted to be onshore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (24 May) | 3ft (0.9m) | 19s |
| Afternoon (24 May) | 2.5ft (0.8m) | 15s |
| Evening (24 May) | 3.5ft (1.1m) | 16s |
Table - waves today at Islita. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 34mm), heaviest during Tue night. Warm (max 31°C on Sun morning, min 25°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 24 | Monday 25 | Tuesday 26 | Wed 27 | |||||||||||||||||||||
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 | 12 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SW 16 | SW 18 | SW 19 | SW 18 | SW 15 | SW 15 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | |
169 | 409 | 577 | 272 | 266 | 385 | 560 | 560 | 653 | 653 | 737 | 737 | 640 | 704 | 614 | 606 | 543 | 536 | 536 | 529 | 529 | 521 | 514 | 440 | |
Wind (km/h) | ||||||||||||||||||||||||
off | cross-off | glassy | on | on | on | glassy | cross-off | cross-off | off | glassy | on | on | glassy | on | glassy | off | off | cross-off | on | cross-on | cross-on | glassy | glassy | |
High Tide | 9:02AM2.33m | 9:25PM2.11m | 10:03AM2.30m | 10:32PM2.05m | 11:01AM2.29m | 11:33PM2.03m | ||||||||||||||||||
Low Tide | 2:37AM0.44m | 3:21PM0.61m | 3:38AM0.55m | 4:27PM0.62m | 4:38AM0.62m | 5:27PM0.59m | ||||||||||||||||||
 |  | | |  |  | |  |  |  | | |  | | | | | | | | | | | | |
 | 5:18 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — | 5:18 |
 | — | — | — | — | 5:57 | — | — | — | — | — | — | — | 5:57 | — | — | — | — | — | — | — | 5:57 | — | — | 5:57 |
— | — | — | — | 1 | 2 | 1 | — | — | — | — | — | — | 2 | 2 | 1 | — | 1 | — | — | — | 4 | 17 | 3 | |
Temp °C | 28 | 27 | 30 | 31 | 30 | 29 | 29 | 28 | 27 | 27 | 29 | 31 | 30 | 29 | 28 | 28 | 27 | 27 | 29 | 31 | 29 | 28 | 25 | 25 |
32 | 31 | 34 | 34 | 34 | 34 | 34 | 32 | 30 | 31 | 33 | 34 | 33 | 34 | 32 | 33 | 31 | 31 | 32 | 34 | 32 | 31 | 30 | 29 | |
Swell 1 Height (m) Direction Period (s) | S 8 | SW 18 | SW 19 | S 8 | SW 15 | SW 15 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 |
 kJ | 63 | 409 | 577 | 65 | 266 | 385 | 560 | 560 | 653 | 653 | 737 | 737 | 640 | 704 | 614 | 606 | 543 | 536 | 536 | 529 | 529 | 521 | 514 | 440 |
Swell 2 Height (m) Direction Period (s) | SW 16 | S 8 | S 8 | SW 15 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | SW 18 | S 8 | S 7 | S 7 | S 10 | S 5 | S 6 | S 6 | S 13 | S 6 | S 6 | S 6 |
| kJ | 169 | 64 | 65 | 178 | 66 | 49 | 47 | 47 | 47 | 46 | 45 | 31 | 111 | 40 | 37 | 36 | 96 | 28 | 31 | 35 | 3 | 35 | 24 | 24 |
Swell 3 Height (m) Direction Period (s) | SW 13 | SW 9 | SW 9 | SW 18 | SW 18 | S 12 | S 11 | S 11 | S 11 | S 16 | S 16 | S 10 | S 15 | S 14 | S 15 | S 15 | S 15 | S 15 | S 15 | — | — | S 13 | S 13 | S 13 |
| kJ | 109 | 3 | 3 | 272 | 206 | 11 | 10 | 10 | 10 | 5 | 5 | 19 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | — | — | 3 | 3 | 3 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | S 8 | — | — | — | — | — | — | — | SSW 6 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 42 | — | — | — | — | — | — | — | 37 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 56 | 76 | 43 | 0 | 0 | 0 | 0 | 0 | 56 | 64 | 0 | 33 | 0 | 0 | 0 | 0 | 57 | 74 | 64 | 0 | 0 |
Best forecast wave conditions in Guanacaste | ||||||||||||||||||||||||
Best forecast wave conditions in Costa Rica | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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