Diria surfForecast / Guanacaste / Costa Rica

information circle48hr Weather and Surf, issued 5 pm Sunday 26 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 11PM is: 0.9m 16s primary swell from a South-southwest direction (forecast issued at 05:00pm April 26). An open ocean swell of 0.5m 8s is not directed at the surf break. The wind direction is predicted to be glassy and the swell rating is 2.

Time (CST) & DateWave HeightWave Period
Morning (26 Apr)--
Afternoon (26 Apr)2.5ft (0.7m)16s
Evening (26 Apr)2.5ft (0.8m)16s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 7mm), mostly falling on Mon morning. Warm (max 31°C on Tue morning, min 26°C on Tue night). Wind will be generally light.

Sun
26
Monday
27
Tuesday
28
Wed
29
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
1
2
2
1
1
1
0
0
1
2
2
1
1
1
0
0
0
2
2
2
0
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)
0.7
SSW
16
0.7
SSW
16
0.8
SSW
16
0.9
SSW
16
0.7
SSW
15
0.8
SSW
15
0.8
SSW
14
0.8
SSW
14
0.7
SSW
14
0.9
SSW
14
0.8
SSW
14
0.8
SSW
14
0.6
SSW
13
0.6
SSW
13
0.7
SSW
13
0.9
SSW
16
0.9
SSW
16
0.9
SSW
15
0.9
SSW
15
0.9
SSW
14
0.9
SSW
14
0.2
WNW
16
0.2
WNW
16
0.3
WNW
17
Wave Graph
Metric surfscale
Energy kJ
266
263
333
353
243
292
280
276
210
289
229
226
133
131
154
441
429
402
376
371
366
25
25
58
Wind (km/h)
20
WNW
10
WNW
5
WNW
5
NW
5
NNW
5
N
10
NW
15
W
15
WSW
15
SSW
15
S
10
SSE
5
E
5
ENE
10
ENE
15
WNW
15
W
15
SW
15
S
10
SE
5
ENE
10
ENE
10
ENE
15
WNW
on
on
glassy
glassy
cross
cross
cross-on
on
cross-on
cross
cross-off
cross-off
glassy
cross-off
cross-off
cross-on
on
cross-on
cross-off
cross-off
glassy
off
cross-off
cross-on
High Tide
10:59PM2.01m
11:35AM2.17m
00:03AM2.03m
12:29PM2.25m
00:57AM2.08m
Low Tide
4:52PM0.63m
5:13AM0.55m
5:56PM0.56m
6:10AM0.53m
6:50PM0.47m
6:59AM0.50m
clear
clear
clear
clear
clear
clear
thunderstorm
part cloud
thunderstorm
thunderstorm
clear
clear
thunderstorm
thunderstorm
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:26
5:26
5:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:53
5:53
5:53
5:54
3
1
1
1
1
Temp °C
29
29
28
28
28
27
29
30
30
29
28
28
27
27
29
31
30
29
28
28
26
26
29
31
30
32
32
32
32
31
32
32
32
31
30
32
31
31
32
32
31
31
30
31
29
28
29
30
Swell 1
Height (m)
Direction
Period (s)
0.7
SSW
16
0.7
SSW
16
0.8
SSW
16
0.9
SSW
16
0.7
SSW
15
0.8
SSW
15
0.8
SSW
14
0.8
SSW
14
0.7
SSW
14
0.9
SSW
14
0.8
SSW
14
0.8
SSW
14
0.7
S
9
0.6
S
9
0.7
SSW
13
0.9
SSW
16
0.9
SSW
16
0.9
SSW
15
0.9
SSW
15
0.9
SSW
14
0.9
SSW
14
1
S
14
1
S
14
1
S
14
Energy kJ
266
263
333
353
243
292
280
276
210
289
229
226
81
58
154
441
429
402
376
371
366
411
400
372
Swell 2
Height (m)
Direction
Period (s)
0.7
SSW
11
0.8
SSW
11
0.7
SSW
11
0.5
S
8
0.7
S
11
0.5
S
8
0.5
S
8
0.6
S
8
0.6
S
8
0.5
S
8
0.6
S
10
0.7
S
10
0.6
S
17
0.6
S
16
0.6
S
16
0.6
S
9
0.6
S
9
0.6
S
9
0.6
S
8
0.6
S
8
0.6
S
8
0.2
WNW
16
0.2
WNW
16
0.3
WNW
17
Energy kJ
128
138
126
33
114
34
34
50
48
31
64
90
205
193
188
56
55
53
51
50
50
25
25
57
Swell 3
Height (m)
Direction
Period (s)
0.1
SW
13
0.2
W
13
0.2
WNW
13
0.5
S
11
0.3
SW
12
0.4
SSW
11
0.4
SSW
11
0.4
SSW
11
0.4
SSW
11
0.5
S
17
0.5
S
18
0.5
S
17
0.6
SSW
13
0.6
SSW
13
0.6
S
9
0.2
WNW
16
0.2
W
13
0.2
NNW
3
0.3
NW
3
0.2
WNW
16
0.2
WNW
16
0.1
SW
16
0.3
WNW
17
Energy kJ
7
14
17
61
23
39
39
38
37
154
158
153
133
131
58
25
14
1
2
25
25
10
58
Wind waves
Height (m)
Direction
Period (s)
0.2
NNW
5
0.4
WNW
3
0.3
W
3
0.1
NW
5
0.1
NW
5
0.1
NW
5
Energy kJ
3
3
1
1
1
1
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
2
2
2
2
2
2
2
2
2
1
1
1
3
2
2
2
2
2
2
2
2
Distance (km)
9
9
0
0
1
9
9
9
17
9
0
0
0
0
0
9
9
87
0
0
0
14
14
9
Best forecast wave conditions in Guanacaste
Rating
(10 max)
2
2
2
2
2
2
2
2
2
2
3
2
3
2
2
3
2
2
2
2
2
2
2
Best forecast wave conditions in Costa Rica
Rating
(10 max)
2
2
3
3
3
3
3
3
2
3
3
3
3
3
3
3
2
3
2
3
3
3
3
2
Header Global
Rating
(10 max)
9
9
8
7
6
6
6
6
5
5
5
5
5
5
5
5
8
9
9
8
7
7
9
7
  • 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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