Diria surfForecast / Guanacaste / Costa Rica

information circle48hr Weather and Surf, issued 5 pm Wednesday 22 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
29.8° C
(Which is 1.3°C warmer than normal for this time of year)

How big are the waves at Diria today?

The current surf forecast for Diria at 8PM is: 1.0m 14s primary swell from a South-southwest direction and 0.3m 7s secondary swell from a Northwest direction, 0.1m 5s secondary swell from a Southwest direction (forecast issued at 05:00pm April 22). The wind direction is predicted to be cross-shore.

Time (CST) & DateWave HeightWave Period
Morning (22 Apr)--
Afternoon (22 Apr)3.5ft (1.1m)14s
Evening (22 Apr)3.5ft (1.0m)14s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 16mm), heaviest on Thu night. Warm (max 30°C on Wed afternoon, min 26°C on Wed night). Wind will be generally light.

Wed
22
Thursday
23
Friday
24
Sat
25
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
Rating
(10 max)
0
0
2
2
2
2
2
0
0
1
0
2
1
2
1
0
0
0
1
0
0
1
0
0
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
1.1
SSW
14
1
SSW
14
1
SSW
14
1
SSW
14
1
SSW
14
1
SSW
13
0.9
SSW
13
0.9
SSW
13
0.9
SSW
13
0.9
SSW
13
0.9
SSW
13
0.9
SSW
13
0.9
SSW
13
0.9
SSW
13
0.8
SSW
13
0.8
SSW
13
0.9
SSW
13
0.9
SSW
13
0.8
SSW
12
0.7
SSW
12
0.7
SSW
12
0.7
SSW
12
0.7
SSW
12
0.7
SSW
12
Wave Graph
Metric surfscale
Energy kJ
514
431
431
425
395
378
307
307
307
307
312
312
307
303
225
225
238
231
205
152
152
150
150
147
Wind (km/h)
15
WSW
15
SSW
15
SSE
10
ESE
5
ESE
5
ENE
10
ENE
15
WSW
20
SW
15
SSW
20
S
10
S
5
SSW
5
S
10
SSW
15
WSW
15
SW
15
WSW
10
WSW
10
WSW
10
WSW
5
WSW
10
WSW
15
W
on
cross-on
cross-off
cross-off
glassy
cross-off
off
cross-on
cross-on
cross
cross
cross-off
cross
glassy
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
glassy
on
on
High Tide
6:29PM2.45m
7:08AM2.22m
7:28PM2.28m
8:12AM2.14m
8:34PM2.13m
9:22AM2.10m
Low Tide
12:15PM0.30m
00:53AM0.21m
1:15PM0.44m
1:53AM0.35m
2:23PM0.57m
2:59AM0.46m
part cloud
thunderstorm
part cloud
part cloud
thunderstorm
part cloud
clear
part cloud
thunderstorm
thunderstorm
clear
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
clear
clear
clear
thunderstorm
thunderstorm
thunderstorm
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:28
5:28
5:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:53
5:53
5:53
5:53
1
1
1
1
2
3
1
3
1
1
1
Temp °C
30
29
29
28
27
26
29
30
29
29
28
27
26
26
28
29
29
28
28
28
27
27
28
29
31
31
31
31
31
29
31
31
29
31
29
30
29
30
31
31
30
30
31
31
30
31
31
30
Swell 1
Height (m)
Direction
Period (s)
1.1
SSW
14
1
SSW
14
1
SSW
14
1
SSW
14
1
SSW
14
1
SSW
13
0.9
SSW
13
0.9
SSW
13
0.9
SSW
13
0.9
SSW
13
0.9
SSW
13
0.9
SSW
13
0.9
SSW
13
0.9
SSW
13
0.8
SSW
13
0.8
SSW
13
0.9
SSW
13
0.9
SSW
13
0.8
SSW
12
0.7
SSW
12
0.7
SSW
12
0.7
SSW
12
0.7
SSW
12
0.7
SSW
12
Energy kJ
514
431
431
425
395
378
307
307
307
307
312
312
307
303
225
225
238
231
205
152
152
150
150
147
Swell 2
Height (m)
Direction
Period (s)
0.3
N
4
0.2
N
4
0.3
NW
7
0.3
NW
7
0.1
NW
7
0.3
NW
8
0.3
NW
8
0.2
WNW
7
0.2
WNW
7
0.2
WNW
7
0.2
WNW
6
0.1
NW
6
0.1
NW
6
0.3
SW
3
0.3
SW
3
0.1
NW
7
0.1
W
15
0.2
SSW
15
0.2
SSW
15
0.2
SSW
16
0.2
SSW
7
0.2
SSW
7
0.2
S
18
0.3
SSW
18
Energy kJ
3
1
9
8
2
9
9
5
5
5
4
2
2
2
2
2
5
21
22
24
4
4
25
64
Swell 3
Height (m)
Direction
Period (s)
0.2
WNW
8
0.2
WNW
8
0.2
WSW
5
0.1
W
12
0.1
W
12
0.1
W
12
0.1
W
12
0.2
WSW
12
0.1
SW
16
0.1
SW
16
0.1
W
12
0.1
W
12
0.1
W
12
0.1
NW
6
0.1
NW
7
0.1
W
16
0.1
W
11
0.1
W
15
0.1
W
15
0.1
S
19
0.2
SSW
16
0.2
W
3
0.1
SW
15
0.1
SW
15
Energy kJ
6
6
3
3
3
3
3
14
10
10
3
3
3
1
2
5
2
4
4
7
24
1
9
8
Wind waves
Height (m)
Direction
Period (s)
0.1
SW
5
0.1
SW
5
0.2
SSW
5
0.3
SSW
7
0.3
SSW
7
0.4
SW
3
0.4
SW
3
0.2
WSW
3
0.2
W
6
0.2
W
6
0.3
WSW
3
0.3
WSW
3
0.2
W
3
0.2
W
3
0.1
NW
5
Energy kJ
1
1
3
9
9
2
3
1
3
3
2
2
1
1
1
Nearest Offshore or Glassy
Rating
(10 max)
3
3
3
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
1
Distance (km)
0
9
9
9
0
0
0
0
0
9
94
9
0
0
14
0
9
9
352
9
9
9
9
0
Best forecast wave conditions in Guanacaste
Rating
(10 max)
3
3
3
2
3
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
1
Best forecast wave conditions in Costa Rica
Rating
(10 max)
3
3
3
3
3
3
3
3
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
Header Global
Rating
(10 max)
9
9
8
9
6
6
5
5
5
5
4
5
5
5
6
5
5
5
5
4
4
5
5
4
  • 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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