Diria surfForecast / Guanacaste / Costa Rica

information circle48hr Weather and Surf, issued 5 am Friday 24 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 8AM is: 0.9m 13s primary swell from a South-southwest direction and 0.1m 6s secondary swell from a Northwest direction (forecast issued at 05:00am April 24). The wind direction is predicted to be glassy and the swell rating is 2.

Time (CST) & DateWave HeightWave Period
Morning (24 Apr)3ft (0.9m)13s
Afternoon (24 Apr)3ft (0.9m)13s
Evening (24 Apr)2.5ft (0.8m)12s

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 Fri morning. Warm (max 29°C on Fri morning, min 27°C on Fri night). Wind will be generally light.

Friday
24
Saturday
25
Sunday
26
Mon
27
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
3 PM
6 PM
9 PM
12 AM
Rating
(10 max)
2
2
1
0
0
0
0
0
0
1
0
0
0
0
1
0
1
2
0
0
0
0
2
2
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)
0.9
SSW
13
0.9
SSW
13
0.9
SSW
13
0.8
SSW
13
0.9
SSW
13
0.8
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
0.7
SSW
12
0.7
SSW
12
0.7
SSW
12
0.7
SSW
12
0.6
SSW
18
0.6
SSW
18
0.6
SSW
11
0.7
SSW
11
0.7
SSW
16
0.7
SSW
16
0.8
SSW
16
0.9
SSW
16
Wave Graph
Metric surfscale
Energy kJ
307
286
282
225
238
215
205
152
152
150
150
147
147
145
145
142
240
240
102
130
266
263
333
353
Wind (km/h)
10
SE
5
SE
10
SSW
15
SW
15
WSW
10
WSW
10
WSW
10
WSW
5
WSW
5
W
10
WNW
15
W
15
W
10
W
5
WSW
5
SW
5
WSW
5
W
10
WNW
15
WNW
20
W
10
W
5
WSW
5
WNW
cross-off
glassy
cross-on
cross-on
cross-on
cross-on
on
on
cross-on
glassy
on
on
on
on
cross-on
cross-on
on
glassy
on
on
on
on
glassy
glassy
High Tide
8:12AM2.14m
8:34PM2.13m
9:22AM2.10m
9:47PM2.03m
10:32AM2.11m
10:59PM2.01m
Low Tide
1:53AM0.35m
2:23PM0.57m
2:59AM0.46m
3:37PM0.63m
4:08AM0.53m
4:52PM0.63m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
thunderstorm
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:28
5:28
5:26
5:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:53
5:53
5:53
5:53
3
5
5
2
1
1
2
2
1
1
Temp °C
26
26
28
29
29
28
28
27
27
27
29
29
29
28
28
28
27
27
29
29
29
28
28
28
30
30
31
30
30
30
31
31
31
31
32
31
30
30
32
32
31
31
32
31
30
30
32
32
Swell 1
Height (m)
Direction
Period (s)
0.9
SSW
13
0.9
SSW
13
0.9
SSW
13
0.8
SSW
13
0.9
SSW
13
0.8
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
0.7
SSW
12
0.7
SSW
12
0.7
SSW
12
0.7
SSW
12
0.7
SSW
12
0.7
SSW
12
0.6
S
17
0.7
SSW
11
0.8
SSW
11
0.7
SSW
16
0.8
SSW
16
0.9
SSW
16
Energy kJ
307
286
282
225
238
215
205
152
152
150
150
147
147
145
145
142
140
137
210
130
140
263
333
353
Swell 2
Height (m)
Direction
Period (s)
0.1
NW
6
0.1
NW
6
0.1
NW
7
0.1
W
16
0.1
W
15
0.2
SSW
15
0.2
SSW
15
0.2
SSW
16
0.2
SSW
16
0.2
SSW
17
0.2
S
18
0.3
SSW
18
0.3
SSW
19
0.3
SSW
15
0.3
SSW
16
0.5
S
18
0.6
SSW
18
0.6
SSW
18
0.6
SSW
11
0.6
S
16
0.7
SSW
16
0.8
SSW
11
0.7
SSW
11
0.7
SSW
11
Energy kJ
2
1
2
5
5
21
22
24
24
28
25
64
71
45
49
156
240
240
102
190
266
138
126
121
Swell 3
Height (m)
Direction
Period (s)
0.1
W
12
0.1
W
16
0.1
W
16
0.1
W
11
0.1
W
11
0.1
NW
6
0.1
W
15
0.1
W
6
0.2
S
7
0.2
S
7
0.1
SW
15
0.1
SW
15
0.2
SSW
15
0.3
SSW
19
0.3
SSW
18
0.1
SW
15
0.2
SSW
14
0.2
SSW
13
0.4
SSW
8
0.2
SSW
13
0.1
SW
13
0.2
W
13
0.2
W
13
0.2
W
13
Energy kJ
3
5
5
2
2
2
4
1
4
3
9
8
21
74
67
8
19
17
21
18
7
14
14
14
Wind waves
Height (m)
Direction
Period (s)
0.4
SSE
4
0.1
W
5
0.1
W
6
0.3
WSW
3
0.4
SW
3
0.4
SW
3
0.3
WSW
3
0.4
WSW
3
0.3
W
3
0.4
W
3
0.4
W
3
0.3
W
3
0.4
WNW
3
Energy kJ
4
1
1
2
3
3
2
3
2
3
3
2
3
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
1
2
2
2
1
1
1
1
2
2
2
2
2
2
2
2
2
2
2
2
2
Distance (km)
0
0
9
1289
9
9
9
9
1
0
9
9
9
9
9
9
8
0
9
9
9
9
0
0
Best forecast wave conditions in Guanacaste
Rating
(10 max)
2
2
2
2
2
2
2
1
1
2
2
2
2
2
2
2
2
3
2
2
2
3
2
Best forecast wave conditions in Costa Rica
Rating
(10 max)
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
3
3
3
2
2
2
3
3
Header Global
Rating
(10 max)
6
5
9
4
5
5
5
5
5
5
4
4
4
8
5
5
6
6
5
5
5
9
8
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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