Diria surfForecast / Guanacaste / Costa Rica

information circle48hr Weather and Surf, issued 5 am Friday 10 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
29.6° C
(Which is 1.4°C warmer than normal for this time of year)

How big are the waves at Diria today?

The current surf forecast for Diria at 2PM is: 1.1m 16s primary swell from a Southwest direction (forecast issued at 05:00am April 10). An open ocean swell of 0.6m 12s is not directed at the surf break, a second open ocean swell of 0.7m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (CST) & DateWave HeightWave Period
Morning (10 Apr)3.5ft (1.1m)16s
Afternoon (10 Apr)3.5ft (1.1m)16s
Evening (10 Apr)3.5ft (1.0m)16s

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


Updates in  hr  min  s Forecast update imminent
Friday
10
Saturday
11
Sunday
12
Mon
13
3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM
Rating
(10 max)
1
2
1
2
2
2
2
2
2
1
0
0
0
1
0
0
1
0
0
0
2
1
1
0
Swell
Height Map
Wave Height (m) & direction (?)
1
SW
1
SW
1.1
SW
1.1
SW
1.1
SW
1
SW
1
SW
1
SW
1.1
SW
1
SW
0.9
SSW
0.9
SSW
0.9
SW
0.9
SSW
0.9
SSW
0.9
SSW
0.9
SSW
0.9
SW
0.8
SSW
0.8
SSW
0.8
SSW
0.8
SSW
0.7
SW
0.7
SW
Period(s) (?)161616161616161616151515151514151515151414141414
Wave
Graph
(?)Metric surfscale
Energy kJ (?)521515661661587496489483551459393382309372367372372309272268264261194191
Wind
(km/h)
25
ENE
25
NE
25
NE
25
NE
25
ENE
25
E
30
ENE
25
ENE
25
NE
25
ENE
30
NE
35
ENE
35
ENE
35
ENE
30
ENE
25
ENE
25
ENE
25
ENE
35
NE
30
NE
15
E
30
ENE
25
ENE
25
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offoffoffcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offoffoffcross-
off
High Tide
/ height (m)
8:15AM
1.76
8:29PM
1.86
9:20AM
1.74
Low Tide
/ height (m)
2:00AM
0.69
2:12PM
0.87
2:59AM
0.76
3:21PM
0.92
Friday
10
Saturday
11
Sunday
12
Mon
13
Sunrise-5:35-------5:35-------5:33------
Sunset----5:53-------5:53-------5:53---
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
Rain (mm)
------------------------
Temp. °C272730333532292726263033343128272626303334312827
Feels °C (?)262729323431282626262830302826262525273034292626
  • 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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