- Forecast
- Maps
- Live
- Weather State
- Spot Information
Diria Surf Forecast
/ Guanacaste (28 surf breaks) /
Surf Forecasts:
Diria surfForecast / Guanacaste / Costa Rica
48hr Weather and Surf, issued 11 pm Sunday 24 May 2026 CSTForecast update in hr min s Forecast update imminent
Diria surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Diria 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 Diria today?
The current surf forecast for Diria at 6AM is: 1.2m 16s primary swell from a Southwest direction (forecast issued at 11:00pm May 24). An open ocean swell of 0.5m 8s is not directed at the surf break, a second open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 May) | 4ft (1.2m) | 16s |
| Afternoon (25 May) | 4.5ft (1.3m) | 15s |
| Evening (25 May) | 4.5ft (1.3m) | 15s |
Table - waves today at Diria. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 3mm), mostly falling on Wed afternoon. Warm (max 33°C on Mon morning, min 27°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 25 | Tuesday 26 | Wednesday 27 | ||||||||||||||||||||||
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 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 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | |
560 | 644 | 644 | 728 | 737 | 823 | 714 | 704 | 695 | 685 | 606 | 598 | 598 | 590 | 581 | 521 | 514 | 507 | 434 | 373 | 357 | 352 | 352 | 352 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | off | cross-off | off | glassy | cross-on | cross | off | off | off | off | cross-off | cross-on | cross-on | cross | cross-off | cross-off | glassy | glassy | glassy | on | cross-on | cross-on | |
High Tide | 9:24PM2.02m | 10:02AM2.20m | 10:30PM1.96m | 11:00AM2.20m | 11:31PM1.94m | 11:52AM2.21m | ||||||||||||||||||
Low Tide | 3:37AM0.52m | 4:27PM0.60m | 4:37AM0.59m | 5:27PM0.57m | 5:33AM0.62m | |||||||||||||||||||
 | | |  |  | |  |  |  | | | | | | | | | | | | | | |  | |
 | — | — | 5:20 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — |
 | — | — | — | — | — | — | 5:59 | — | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | |
Temp °C | 30 | 28 | 27 | 27 | 30 | 33 | 31 | 29 | 30 | 28 | 27 | 27 | 30 | 31 | 29 | 29 | 28 | 28 | 27 | 27 | 29 | 30 | 30 | 29 |
29 | 28 | 27 | 28 | 30 | 36 | 33 | 31 | 32 | 30 | 29 | 30 | 33 | 33 | 31 | 31 | 30 | 32 | 32 | 32 | 34 | 32 | 33 | 32 | |
Swell 1 Height (m) Direction Period (s) | 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 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 |
 kJ | 560 | 644 | 644 | 728 | 737 | 823 | 714 | 704 | 695 | 685 | 606 | 598 | 598 | 590 | 581 | 521 | 514 | 507 | 434 | 373 | 357 | 352 | 352 | 352 |
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 7 | S 7 | S 7 | S 7 | S 6 | SSW 6 | S 6 | S 6 | S 6 | S 6 | S 6 | S 6 | S 7 | S 7 | S 7 |
| kJ | 47 | 47 | 33 | 32 | 32 | 31 | 44 | 42 | 40 | 38 | 36 | 35 | 34 | 39 | 39 | 35 | 35 | 34 | 24 | 24 | 26 | 40 | 38 | 40 |
Swell 3 Height (m) Direction Period (s) | S 12 | S 12 | S 12 | S 11 | S 11 | NNE 4 | N 4 | N 5 | S 14 | S 15 | S 15 | S 15 | S 15 | SW 9 | — | N 4 | S 13 | S 13 | S 13 | — | SW 7 | — | — | — |
| kJ | 10 | 11 | 10 | 9 | 9 | 6 | 4 | 2 | 4 | 4 | 4 | 4 | 4 | 3 | — | 1 | 3 | 3 | 3 | — | 2 | — | — | — |
Wind waves Height (m) Direction Period (s) | NNE 5 | NE 3 | NE 3 | NE 3 | NNE 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 2 | 6 | 7 | 5 | 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 14 | 14 | 0 | 11 | 0 | 0 | 9 | 33 | 0 | 0 | 0 | 0 | 0 | 9 | 9 | 11 | 0 | 0 | 0 | 0 | 0 | 9 | 9 | 9 |
Best forecast wave conditions in Guanacaste | ||||||||||||||||||||||||
Best forecast wave conditions in Costa Rica | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Diria surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest