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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 Sunday 03 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
30.2° C
(Which is 1.2°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: 0.4m 18s primary swell from a Southwest direction and 0.6m 10s secondary swell from a South direction, 0.5m 14s secondary swell from a Southwest direction (forecast issued at 11:00pm May 03). The wind direction is predicted to be offshore and the swell rating is 2.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 May) | 2ft (0.6m) | 13s |
| Afternoon (04 May) | 1.5ft (0.5m) | 15s |
| Evening (04 May) | 1.5ft (0.5m) | 16s |
Table - waves today at Islita. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 18mm), heaviest on Mon night. Warm (max 30°C on Mon morning, min 27°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 4 | Tuesday 5 | Wednesday 6 | ||||||||||||||||||||||
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 18 | SW 18 | SW 18 | SW 14 | SW 13 | S 15 | S 15 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 15 | SW 14 | SW 15 | SW 15 | SW 16 | SW 16 | SW 16 | SW 16 | |
109 | 152 | 109 | 90 | 113 | 109 | 106 | 125 | 125 | 371 | 302 | 302 | 314 | 212 | 255 | 251 | 255 | 251 | 309 | 375 | 400 | 406 | 406 | 287 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | cross-off | off | glassy | cross-on | on | on | cross-on | cross-on | glassy | glassy | glassy | glassy | on | on | on | cross-on | cross-on | glassy | glassy | glassy | on | on | cross-on | |
High Tide | 4:17AM2.28m | 4:23PM2.43m | 4:54AM2.22m | 5:00PM2.35m | 5:33AM2.15m | 5:39PM2.26m | ||||||||||||||||||
Low Tide | 10:07PM0.25m | 10:14AM0.47m | 10:44PM0.29m | 10:52AM0.53m | 11:22PM0.37m | 11:30AM0.62m | ||||||||||||||||||
 |  | |  | | | | | | |  |  | | | | |  | | | | | | | | |
 | — | — | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — |
 | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — |
1 | — | — | — | — | — | — | 1 | 2 | — | — | 2 | 1 | 2 | 2 | 1 | — | 1 | 1 | — | 1 | 1 | — | 2 | |
Temp °C | 28 | 28 | 27 | 27 | 29 | 30 | 30 | 29 | 28 | 28 | 28 | 27 | 29 | 30 | 30 | 29 | 28 | 28 | 27 | 27 | 29 | 30 | 30 | 29 |
32 | 32 | 30 | 32 | 33 | 33 | 33 | 33 | 32 | 33 | 33 | 32 | 34 | 33 | 34 | 33 | 32 | 33 | 32 | 32 | 34 | 33 | 33 | 33 | |
Swell 1 Height (m) Direction Period (s) | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 9 | S 9 | S 9 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 15 | SW 14 | SW 15 | SW 15 | SW 16 | SW 16 | SW 16 | SW 16 |
 kJ | 89 | 65 | 68 | 90 | 65 | 87 | 62 | 62 | 61 | 371 | 302 | 302 | 314 | 212 | 255 | 251 | 255 | 251 | 309 | 375 | 400 | 406 | 406 | 287 |
Swell 2 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 16 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 8 | S 15 | S 15 | S 15 | S 15 | S 18 | S 13 | S 17 | SSW 16 |
| kJ | 102 | 95 | 89 | 89 | 113 | 87 | 88 | 111 | 125 | 60 | 41 | 40 | 39 | 38 | 36 | 35 | 110 | 112 | 115 | 161 | 225 | 176 | 151 | 269 |
Swell 3 Height (m) Direction Period (s) | SW 18 | SW 18 | SW 18 | S 16 | S 16 | S 15 | S 15 | SW 16 | SW 13 | S 14 | S 13 | S 13 | S 13 | S 13 | S 12 | SSW 15 | S 8 | S 8 | S 8 | S 8 | S 12 | SSW 18 | S 11 | S 11 |
| kJ | 109 | 152 | 109 | 80 | 77 | 109 | 106 | 125 | 109 | 89 | 88 | 55 | 55 | 51 | 48 | 73 | 22 | 22 | 22 | 22 | 65 | 104 | 59 | 58 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 5 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 64 | 64 | 0 | 0 | 0 | 0 | 0 | 0 | 33 | 64 | 14 | 0 | 0 | 0 | 0 | 57 | 64 | 74 | 33 | 30 | 14 | 0 | 0 | 64 |
Best forecast wave conditions in Guanacaste | ||||||||||||||||||||||||
Best forecast wave conditions in Costa Rica | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Ocean Swells (m)- Wind Speed (km/h)
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