Diria surfForecast / Guanacaste / Costa Rica

information circle48hr Weather and Surf, issued 5 pm Wednesday 15 Apr 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
28.7° C
(Which is slightly warmer than usual)

How big are the waves at Diria today?

The current surf forecast for Diria at 11PM is: 0.8m 18s primary swell from a South-southwest direction and 0.7m 14s secondary swell from a Southwest direction (forecast issued at 05:00pm April 15). The wind direction is predicted to be offshore and the swell rating is 3.

Time (CST) & DateWave HeightWave Period
Morning (15 Apr)--
Afternoon (15 Apr)3ft (0.9m)18s
Evening (15 Apr)2.5ft (0.7m)18s

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


Updates in  hr  min  s Forecast update imminent
Wednesday
15
Thursday
16
Friday
17
Saturday
18
3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM
Rating
(10 max)
1
2
3
3
2
3
2
2
0
1
3
3
3
3
2
0
0
0
2
2
3
3
3
0
Swell
Height Map
Wave Height (m) & direction (?)
0.9
SSW
0.9
SSW
0.7
SSW
0.8
SSW
0.7
SW
0.9
SSW
0.9
SSW
0.9
SSW
1
SSW
1
SSW
1.1
SSW
1.2
SSW
1.2
SSW
0.9
SSW
1
SSW
1
SSW
0.9
SSW
0.9
SSW
0.7
SW
0.7
SSW
0.8
SSW
0.8
SSW
0.8
SSW
1.1
SSW
Period(s) (?)181818181416161616161615151514141414141318181716
Wave
Graph
(?)Metric surfscale
Energy kJ (?)454448329408208480463437547527546619573360389378331336206187413408390677
Wind
(km/h)
10
SW
10
S
20
E
20
E
15
ENE
15
NE
15
ENE
15
N
15
SW
15
SSW
15
ESE
15
E
15
E
10
ENE
10
ENE
15
W
20
SW
20
SSW
15
SSE
5
ESE
5
NE
10
ENE
10
ENE
15
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
crossoffoffoffcross-
off
cross-
off
crosscross-
on
crossoffoffoffcross-
off
cross-
off
oncross-
on
crosscross-
off
offcross-
off
cross-
off
cross-
off
on
High Tide
/ height (m)
Low Tide
/ height (m)
Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sunrise-----5:31-------5:31-------5:31--
Sunset5:53-------5:53-------5:53-------
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
rain showers
clear
clear
clear
Rain (mm)
--------------------1---
Temp. °C313029272525293231292927252530313028282727263031
Feels °C (?)323229272626283231302928252530302928303030283131
  • 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

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.


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