Diria surfForecast / Guanacaste / Costa Rica

information circle48hr Weather and Surf, issued 11 am Thursday 16 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
28.6° C
(Which is normal for this time of year)

How big are the waves at Diria today?

The current surf forecast for Diria at 4PM is: 1.0m 16s primary swell from a South-southwest direction and 0.6m 14s secondary swell from a Southwest direction (forecast issued at 11:00am April 16). The wind direction is predicted to be cross-onshore.

Time (CST) & DateWave HeightWave Period
Morning (16 Apr)3ft (0.9m)16s
Afternoon (16 Apr)3.5ft (1.0m)16s
Evening (16 Apr)3.5ft (1.1m)16s

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


Updates in  hr  min  s Forecast update imminent
Thursday
16
Friday
17
Saturday
18
Sunday
19
9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM
Rating
(10 max)
2
2
1
2
3
3
3
3
2
0
0
0
1
3
3
3
3
0
0
0
2
3
3
3
Swell
Height Map
Wave Height (m) & direction (?)
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
0.8
SSW
0.8
SSW
0.8
SSW
0.8
SSW
1.1
SSW
1.1
SSW
1.1
SSW
1.1
SSW
1.1
SSW
1.1
SSW
1.1
SSW
Period(s) (?)161616161615151514141414141818181716161616151515
Wave
Graph
(?)Metric surfscale
Energy kJ (?)463437547527546619573360389378331336206413413408390677661644612574558551
Wind
(km/h)
20
NE
10
N
15
SW
15
S
20
ESE
15
ENE
15
E
15
ENE
15
ENE
15
W
20
SW
15
SSW
15
SSE
10
ESE
5
NE
10
ENE
10
ENE
15
W
20
WSW
15
SSW
15
SSE
10
SSE
5
SSE
5
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
crosscross-
on
crossoffoffoffcross-
off
cross-
off
oncross-
on
crosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
oncross-
on
cross-
on
cross-
off
cross-
off
glasscross-
off
High Tide
/ height (m)
1:46PM
2.49
2:14AM
2.30
2:30PM
2.64
2:58AM
2.39
3:14PM
2.73
3:44AM
2.45
Low Tide
/ height (m)
7:30AM
0.38
8:07PM
0.21
8:14AM
0.26
8:51PM
0.06
8:58AM
0.16
9:35PM
-0.03
Thursday
16
Friday
17
Saturday
18
Sunday
19
Sunrise5:31------5:31-------5:31-------5:30
Sunset--5:53-------5:53-------5:53-----
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
rain showers
clear
clear
clear
clear
clear
clear
clear
thunderstorm
thunderstorm
Rain (mm)
--------------1-------21
Temp. °C303231292927262530313029282827263031302928282626
Feels °C (?)293231302927272630313030293130282930303029313029
  • 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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