Diria surfForecast / Guanacaste / Costa Rica

information circle48hr Weather and Surf, issued 11 am Sunday 22 Mar 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
29.0° 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 4PM is: 0.6m 13s primary swell from a Southwest direction and 0.7m 5s secondary swell from a North direction (forecast issued at 11:00am March 22). An open ocean swell of 1.0m 13s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (CST) & DateWave HeightWave Period
Morning (22 Mar)2ft (0.6m)13s
Afternoon (22 Mar)1.5ft (0.4m)21s
Evening (22 Mar)2ft (0.6m)13s

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


Updates in  hr  min  s Forecast update imminent
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM
Rating
(10 max)
0
1
1
0
1
1
1
1
0
0
1
0
0
1
1
1
1
0
1
1
1
1
1
2
Swell
Height Map
Wave Height (m) & direction (?)
0.6
SW
0.6
SW
0.4
SW
0.6
SW
0.6
SW
0.6
SW
0.5
SW
0.4
SW
0.5
SW
0.5
SW
0.4
SW
0.4
SW
0.5
N
0.4
SW
0.5
SW
0.6
SW
0.6
SW
0.6
SW
0.5
SW
0.4
SW
0.4
SW
0.4
SW
0.6
SW
0.6
SW
Period(s) (?)13132113131312202020201941218181818181817161616
Wave
Graph
(?)Metric surfscale
Energy kJ (?)109140117108106104759718618613413395115525225225215411110693163208
Wind
(km/h)
20
NE
15
N
10
WNW
15
S
20
ESE
15
E
15
E
15
ENE
15
NE
10
NNW
10
NW
10
S
25
E
20
E
15
ENE
15
ENE
20
NE
15
N
15
NNW
15
SE
20
ESE
15
E
10
ENE
10
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
crossoncrossoffoffoffoffcross-
off
cross-
on
cross-
on
crossoffoffcross-
off
cross-
off
cross-
off
crosscrosscross-
off
offoffoffcross-
off
High Tide
/ height (m)
5:06PM
2.69
5:33AM
2.37
5:52PM
2.60
6:21AM
2.27
6:42PM
2.47
Low Tide
/ height (m)
10:50AM
0.12
11:26PM
0.06
11:35AM
0.18
12:13AM
0.15
12:24PM
0.29
1:06AM
0.27
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Sunrise5:46------5:46-------5:45-------5:43
Sunset--5:53-------5:53-------5:53-----
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C283132292726242428313229282625242931323028262525
Feels °C (?)273133302626242427313330262625242830313127252527
  • 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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