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Islita Surf Forecast
/ Guanacaste (28 surf breaks) /
Surf Forecasts:
Islita surfForecast / Guanacaste / Costa Rica
48hr Weather and Surf, issued 11 pm Tuesday 26 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
30.4° C
(Which is 1.8°C warmer than normal for this time of year)How big are the waves at Islita today?
The current surf forecast for Islita at 3AM is: 1.1m 14s primary swell from a Southwest direction and 0.6m 8s secondary swell from a South direction (forecast issued at 11:00pm May 26). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 May) | 3ft (0.9m) | 14s |
| Afternoon (27 May) | 3ft (0.9m) | 13s |
| Evening (27 May) | 3ft (0.9m) | 13s |
Table - waves today at Islita. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 36mm), heaviest during Wed night. Warm (max 31°C on Wed morning, min 26°C on Thu afternoon). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 27 | Thursday 28 | Friday 29 | ||||||||||||||||||||||
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 | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | |
Swell Height Map |  |    |    |    | ||||||||||||||||||||
SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 14 | SW 14 | SW 15 | SW 13 | SW 16 | SW 13 | SW 13 | SW 13 | SW 14 | SW 14 | SW 14 | SW 14 | |
514 | 440 | 428 | 368 | 304 | 299 | 299 | 299 | 295 | 295 | 295 | 261 | 308 | 331 | 355 | 202 | 170 | 175 | 261 | 261 | 276 | 293 | 164 | 167 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | glassy | cross-off | glassy | glassy | on | cross-on | cross-on | glassy | glassy | glassy | glassy | glassy | cross-on | cross-on | glassy | glassy | glassy | glassy | glassy | cross-off | cross-off | glassy | glassy | |
High Tide | 11:53AM2.30m | 00:28AM2.05m | 12:40PM2.32m | 1:15AM2.09m | 1:22PM2.35m | |||||||||||||||||||
Low Tide | 5:34AM0.66m | 6:20PM0.53m | 6:24AM0.65m | 7:06PM0.47m | 7:10AM0.63m | |||||||||||||||||||
 |  |  |  | | |  | | | | | | | | | | | | | | | | | | |
 | — | — | 5:18 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — |
 | — | — | — | — | — | — | 5:57 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — |
2 | — | — | — | — | — | 2 | 4 | 5 | — | 4 | 3 | 2 | 4 | 1 | — | — | 2 | — | 3 | 2 | 1 | 1 | — | |
Temp °C | 28 | 27 | 27 | 27 | 30 | 31 | 30 | 29 | 28 | 28 | 27 | 27 | 28 | 27 | 26 | 26 | 26 | 27 | 26 | 26 | 26 | 27 | 28 | 27 |
32 | 32 | 31 | 31 | 35 | 34 | 34 | 33 | 33 | 33 | 32 | 31 | 33 | 30 | 30 | 31 | 31 | 32 | 31 | 31 | 30 | 30 | 33 | 32 | |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 14 | SW 14 | SW 15 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 14 | SW 14 | WSW 6 | SW 14 |
 kJ | 514 | 440 | 428 | 368 | 304 | 299 | 299 | 299 | 295 | 295 | 295 | 261 | 308 | 331 | 355 | 202 | 170 | 175 | 261 | 261 | 276 | 293 | 28 | 167 |
Swell 2 Height (m) Direction Period (s) | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 | SW 16 | S 8 | S 8 | S 8 | S 7 | SSW 6 | SW 14 | S 7 |
| kJ | 51 | 49 | 50 | 49 | 48 | 48 | 46 | 45 | 44 | 42 | 39 | 38 | 37 | 37 | 36 | 25 | 155 | 28 | 29 | 28 | 26 | 44 | 164 | 32 |
Swell 3 Height (m) Direction Period (s) | S 13 | S 13 | S 13 | — | — | — | — | — | — | — | — | — | — | — | — | SW 16 | S 7 | SW 16 | WSW 5 | WSW 5 | SW 5 | S 19 | S 6 | WSW 6 |
| kJ | 3 | 3 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | 124 | 25 | 124 | 3 | 3 | 6 | 29 | 20 | 31 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WSW 5 | WSW 5 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 3 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 14 | 0 | 0 | 0 | 0 | 57 | 109 | 32 | 0 | 0 | 0 | 0 | 0 | 33 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Guanacaste | ||||||||||||||||||||||||
Best forecast wave conditions in Costa Rica | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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