Diria surfForecast / Guanacaste / Costa Rica

information circle48hr Weather and Surf, issued 11 pm Tuesday 14 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 4AM is: 0.9m 15s primary swell from a Southwest direction (forecast issued at 11:00pm April 14). An open ocean swell of 0.5m 9s 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 offshore and the swell rating is 2.

Time (CST) & DateWave HeightWave Period
Morning (15 Apr)3ft (0.9m)15s
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
9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM
Rating
(10 max)
0
1
2
2
2
2
0
1
3
3
2
3
2
2
1
1
3
3
3
3
2
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.8
SSW
0.9
SW
0.9
SW
0.9
SW
0.9
SW
0.8
SSW
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
0.9
SSW
1.1
SSW
1.2
SSW
1.2
SSW
0.9
SSW
1
SSW
1
SSW
0.9
SSW
0.9
SSW
Period(s) (?)161515151515181818181416161616161615151514141414
Wave
Graph
(?)Metric surfscale
Energy kJ (?)310331322318314280454448329408208480463437547421546619573360389378331336
Wind
(km/h)
25
ENE
25
ENE
20
ENE
20
ENE
20
ENE
5
N
20
SW
15
SSW
15
ESE
15
ENE
15
ENE
15
ENE
20
NE
10
NNW
15
SW
20
S
15
SE
15
ESE
10
NE
10
ENE
10
NE
15
W
20
WSW
20
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
offoffcross-
off
cross-
off
crosscross-
on
crossoffcross-
off
offcross-
off
cross-
off
crosscross-
on
crosscross-
off
offcross-
off
offcross-
off
oncross-
on
cross-
on
High Tide
/ height (m)
Low Tide
/ height (m)
Wednesday
15
Thursday
16
Friday
17
Sunrise---5:31-------5:31-------5:31----
Sunset------5:53-------5:53-------5:53-
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C292726263032302929272525293231282827252529312928
Feels °C (?)282626262934303130282626283232292928272629312829
  • 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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