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Surf Forecasts:

Diria surfForecast / Guanacaste / Costa Rica

information circle48hr Weather and Surf, issued 5 pm Wednesday 11 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
28.8° C
 (Which is 1.5°C warmer than normal for this time of year)

How big are the waves at Diria today?

The current surf forecast for Diria at 11PM is: 1.3m 15s primary swell from a South-southwest direction (forecast issued at 05:00pm March 11). An open ocean swell of 0.6m 11s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 3.

Time (CST) & DateWave HeightWave Period
Morning (11 Mar)--
Afternoon (11 Mar)4.5ft (1.3m)16s
Evening (11 Mar)4.5ft (1.3m)16s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Wednesday
11
Thursday
12
Friday
13
Saturday
14
3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM
Rating
(10 max)
1
0
3
3
3
3
2
1
2
3
2
3
3
3
2
3
1
1
2
1
3
3
2
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.3
SSW
1.3
SSW
1.3
SSW
1.3
SSW
1.2
SSW
1.2
SSW
1.2
SSW
1.1
SSW
1.2
SSW
1.1
SSW
0.9
SSW
0.9
SSW
0.9
SSW
0.9
SSW
0.9
SSW
0.9
SSW
1
SSW
0.9
SSW
0.8
SSW
1.1
SSW
1
SSW
0.9
SSW
0.6
SSW
0.6
SSW
Period(s) (?)161616151515151414141816161616151515141413132121
Wave
Graph
(?)Metric surfscale
Energy kJ (?)798892749711592636619515545501510437427421400365462355280415336312307302
Wind
(km/h)
15
WSW
15
SSW
10
SE
15
E
15
ENE
10
E
15
NE
10
NNW
10
WNW
10
SSE
30
ENE
25
ENE
15
ENE
15
ENE
20
ENE
10
NE
10
SW
15
SSW
10
ESE
15
ENE
15
ENE
15
ENE
20
ENE
10
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		cross-
off		offoffoffcross-
off		cross-
on		oncross-
off		offoffoffoffcross-
off		cross-
off		cross-
on		crosscross-
off		cross-
off		offoffcross-
off		cross-
on
High Tide
/ height (m)
8:10PM
1.95
8:48AM
1.69
9:10PM
1.86
9:59AM
1.65
10:21PM
1.84
11:14AM
1.70
Low Tide
/ height (m)
1:49PM
0.76
2:40AM
0.74
2:45PM
0.87
3:47AM
0.80
3:57PM
0.92
4:59AM
0.79
Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunrise-----5:52-------5:50-------5:50--
Sunset5:53-------5:53-------5:53-------
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C302827262424283131302826242429323128282625242931
Feels °C (?)312929272526283233312625242528333229302626252832
  • 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

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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.

View detailed surf forecast for Diria at:
surf-forecast.com

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