Diria surfForecast / Guanacaste / Costa Rica

information circle48hr Weather and Surf, issued 5 am Sunday 19 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
29.2° C
(Which is slightly warmer than usual)

How big are the waves at Diria today?

The current surf forecast for Diria at 8AM is: 1.1m 15s primary swell from a South-southwest direction (forecast issued at 05:00am April 19). An open ocean swell of 0.4m 8s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (CST) & DateWave HeightWave Period
Morning (19 Apr)3.5ft (1.0m)14s
Afternoon (19 Apr)3.5ft (1.1m)14s
Evening (19 Apr)3.5ft (1.1m)14s

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


Updates in  hr  min  s Forecast update imminent
Sunday
19
Monday
20
Tuesday
21
Wed
22
3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM
Rating
(10 max)
3
3
2
0
0
0
3
2
1
2
3
2
1
1
2
3
3
3
2
1
0
1
3
3
Swell
Height Map
Wave Height (m) & direction (?)
1.1
SSW
1.1
SSW
1
SSW
1.1
SSW
1.1
SSW
1.3
SSW
1.1
SSW
1.1
SSW
1
SSW
1
SSW
1
SSW
1
SSW
1
SSW
0.8
SSW
0.8
SSW
0.8
SSW
0.8
SSW
1.3
SSW
1.2
SSW
1.3
SSW
1.3
SSW
1.3
SSW
1.2
SSW
1.3
SSW
Period(s) (?)151514141414141414141413131717171716161616161615
Wave
Graph
(?)Metric surfscale
Energy kJ (?)558551449529514659500485401401395384326394394394385823768793783773721715
Wind
(km/h)
5
NE
10
NNE
10
NNW
20
W
20
W
20
SSW
10
SSE
10
NNW
10
N
10
ENE
15
NE
10
NNW
15
SW
25
S
15
SE
10
E
10
ENE
10
E
15
NE
10
WNW
25
SW
20
S
10
SSE
10
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glasscross-
off
cross-
on
ononcross-
on
cross-
off
cross-
on
crosscross-
off
cross-
off
cross-
on
cross-
on
crosscross-
off
offoffoffcross-
off
cross-
on
cross-
on
crosscross-
off
off
High Tide
/ height (m)
3:44AM
2.45
3:59PM
2.76
4:30AM
2.45
4:46PM
2.71
5:19AM
2.40
5:36PM
2.60
Low Tide
/ height (m)
9:44AM
0.11
10:21PM
-0.06
10:31AM
0.11
11:09PM
-0.02
11:21AM
0.18
11:59PM
0.08
Sunday
19
Monday
20
Tuesday
21
Wed
22
Sunrise-5:30-------5:30-------5:30------
Sunset----5:53-------5:53-------5:53---
thunderstorm
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
clear
clear
Rain (mm)
1-----------------------
Temp. °C272628313029282827263032312929282726303229292928
Feels °C (?)312830312929303130292933322830302928303328303230
  • 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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