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Surf Forecasts:

Diria surfForecast / Guanacaste / Costa Rica

information circle48hr Weather and Surf, issued 5 am Wednesday 14 Jan 2026 CST
Forecast 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
28.0° C
 (Which is 1.1°C warmer than normal for this time of year)

How big are the waves at Diria today?

The current surf forecast for Diria at 1PM is: 0.4m 9s primary swell from a West-northwest direction and 0.3m 5s secondary swell from a North direction (forecast issued at 05:00am January 14). The wind direction is predicted to be cross-offshore.

Time (CST) & DateWave HeightWave Period
Morning (14 Jan)1.5ft (0.4m)9s
Afternoon (14 Jan)1.5ft (0.4m)8s
Evening (14 Jan)2.5ft (0.7m)5s

Table - waves today at Diria. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Wednesday
14
Thursday
15
Friday
16
Sat
17
3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM
Rating
(10 max)
1
1
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.6
WNW
0.6
WNW
0.4
WNW
0.4
WNW
0.4
WNW
0.4
NW
0.7
N
0.4
NW
0.4
NW
0.4
NW
0.3
SW
0.4
NW
0.3
SW
0.3
SW
0.4
SW
0.4
SW
0.4
SW
0.4
SW
0.4
SW
0.4
SW
0.4
SSW
0.4
SSW
0.6
SSW
0.6
SSW
Period(s) (?)10999885888119121314141414141414131313
Wave
Graph
(?)Metric surfscale
Energy kJ (?)68593330281820181717202021265152535353527570116114
Wind
(km/h)
15
ENE
15
ENE
20
ENE
15
NE
0
SSE
5
SE
5
E
20
ENE
15
E
10
ENE
20
NE
15
N
15
NNE
20
ENE
30
E
30
ENE
25
ENE
20
ENE
25
ENE
20
NE
25
NE
20
ENE
30
ENE
20
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		offcross-
off		cross-
off		glassglassoffoffoffoffcross-
off		crosscross-
off		cross-
off		offoffcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offoffcross-
off
High Tide
/ height (m)
11:32AM
1.71
11:47PM
2.01
12:31PM
1.75
12:41AM
2.06
1:23PM
1.83
Low Tide
/ height (m)
5:28AM
0.70
5:26PM
0.81
6:24AM
0.64
6:23PM
0.77
7:15AM
0.56
7:15PM
0.71
Wednesday
14
Thursday
15
Friday
16
Sat
17
Sunrise--6:03-------6:05-------6:05-----
Sunset----5:38-------5:39-------5:39---
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
part cloud
clear
part cloud
clear
clear
clear
Rain (mm)
------------------------
Temp. °C232327303028252423232729312927262424272930292625
Feels °C (?)242427303331272424242629312824232223252828282425
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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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.

View detailed surf forecast for Diria at:
surf-forecast.com

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