Roca Loca surfForecast / Golfo de Nicoya / Costa Rica

information circle48hr Weather and Surf, issued 5 am Thursday 21 May 2026 CST
Forecast update in hr  min  s Forecast update imminent
Roca Loca surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Roca Loca sea temperature is
30.4° C
(Which is 1.6°C warmer than normal for this time of year)

How big are the waves at Roca Loca today?

The current surf forecast for Roca Loca at 1PM is: 0.7m 15s primary swell from a Southwest direction and 0.4m 11s secondary swell from a Southwest direction (forecast issued at 05:00am May 21). The wind direction is predicted to be cross-onshore.

Time (CST) & DateWave HeightWave Period
Morning (21 May)2ft (0.6m)15s
Afternoon (21 May)2.5ft (0.8m)15s
Evening (21 May)2.5ft (0.8m)15s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 21mm), heaviest during Thu night. Warm (max 30°C on Thu morning, min 27°C on Fri night). Wind will be generally light.

Thursday
21
Friday
22
Saturday
23
Sun
24
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)
1
1
1
0
0
1
1
2
2
2
1
0
0
0
2
2
2
1
2
0
0
2
2
2
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.6
SW
15
0.6
SW
15
0.6
SW
15
0.7
SW
15
0.8
SW
15
0.8
SW
15
0.8
SW
15
0.8
SW
15
0.8
SW
15
0.7
SW
15
0.6
SW
14
0.6
SW
14
0.6
SW
14
0.6
SW
14
0.7
SW
14
0.7
SW
14
0.6
SW
14
0.6
SW
14
0.6
SW
14
0.5
SW
14
0.5
SW
13
0.6
SW
16
0.5
SW
13
0.6
SW
16
Wave Graph
Metric surfscale
Energy kJ
181
176
176
226
266
266
262
262
258
209
130
128
169
167
198
192
158
155
155
93
88
198
94
161
Wind (km/h)
10
ENE
10
NE
0
NE
10
S
15
S
15
SSE
5
SE
0
W
5
NNE
5
NNE
5
N
10
SSW
10
S
5
SE
5
SSE
0
NE
5
NNE
5
NNE
0
WSW
10
SSW
10
SSW
0
SSE
0
SE
0
NE
off
off
glassy
cross-on
cross-on
cross
cross
glassy
glassy
cross-off
glassy
on
cross-on
cross
glassy
glassy
glassy
glassy
glassy
on
on
glassy
glassy
glassy
High Tide
6:10AM2.68m
6:26PM2.69m
7:07AM2.60m
7:24PM2.52m
8:07AM2.53m
8:27PM2.36m
Low Tide
12:16PM0.35m
00:47AM0.18m
1:16PM0.48m
1:44AM0.33m
2:21PM0.59m
part cloud
part cloud
part cloud
clear
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
thunderstorm
part cloud
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
thunderstorm
clear
clear
thunderstorm
thunderstorm
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:16
5:16
5:16
5:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:52
5:52
5:52
5:52
3
6
1
2
1
1
2
2
1
1
Temp °C
27
27
29
30
30
29
29
28
28
28
29
30
30
29
28
28
28
27
29
29
29
28
28
28
30
29
32
32
33
32
34
33
33
32
33
33
33
33
33
33
33
31
34
32
32
33
33
33
Swell 1
Height (m)
Direction
Period (s)
0.6
SW
15
0.6
SW
15
0.6
SW
15
0.7
SW
15
0.8
SW
15
0.8
SW
15
0.8
SW
15
0.8
SW
15
0.8
SW
15
0.7
SW
15
0.6
S
8
0.6
S
8
0.6
SW
14
0.6
SW
14
0.7
SW
14
0.7
S
9
0.7
S
9
0.8
S
8
0.8
S
8
0.8
S
8
0.8
S
8
0.8
S
8
0.8
S
8
0.7
S
8
Energy kJ
181
176
176
226
266
266
262
262
258
209
45
46
169
167
198
76
76
86
84
80
80
82
86
68
Swell 2
Height (m)
Direction
Period (s)
0.4
SW
12
0.4
SW
12
0.4
SW
11
0.4
SW
11
0.4
S
6
0.4
SSW
7
0.4
S
7
0.5
S
8
0.6
S
7
0.6
S
8
0.6
SW
14
0.6
SW
14
0.6
S
8
0.7
S
8
0.7
S
9
0.7
SW
14
0.6
SW
14
0.6
SW
14
0.6
SW
14
0.5
SW
14
0.5
SW
13
0.6
SW
16
0.5
SW
13
0.6
SW
16
Energy kJ
35
34
33
31
13
15
14
29
40
43
130
128
45
64
74
192
158
155
155
93
88
198
88
161
Swell 3
Height (m)
Direction
Period (s)
0.4
S
7
0.4
S
6
0.4
S
6
0.4
S
6
0.4
SW
11
0.3
SW
11
0.3
SW
11
0.3
SW
11
0.3
SW
11
0.3
SW
10
0.3
SW
17
0.3
SW
17
0.3
S
10
0.2
SSW
10
0.2
SSW
10
0.2
S
16
0.3
SW
18
0.2
S
16
0.3
SW
21
0.3
SW
18
0.3
SW
16
0.2
SSW
16
0.4
SW
16
0.5
SW
13
Energy kJ
14
13
13
13
30
18
18
18
18
17
47
46
19
9
9
20
50
20
71
48
42
25
94
83
Wind waves
Height (m)
Direction
Period (s)
Energy kJ
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
Distance (km)
0
0
0
57
277
0
0
0
0
0
0
145
54
0
0
0
0
0
0
151
55
0
0
0
Best forecast wave conditions in Golfo de Nicoya
Rating
(10 max)
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
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
2
2
2
2
2
2
2
2
Header Global
Rating
(10 max)
5
5
5
5
5
5
5
7
7
7
6
6
7
8
6
7
8
8
7
7
6
6
5
5
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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