Rio Claro surfForecast / Golfo Dulce / Costa Rica

information circle16 Day Weather and Surf, issued 5 am Thursday 14 May 2026 CST
Forecast update in hr  min  s Forecast update imminent
Rio Claro surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Rio Claro sea temperature is
29.8° C
(Which is slightly warmer than usual)

Best Forecast Surf Conditions for Rio Claro this week:

The surf forecast for Rio Claro over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (May 14) at 9PM. The primary swell is predicted to be 0.9m and 15s period with a secondary swell of 0.5m and 10s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Rio Claro in the next 16 days are 0.9m 15s and forecast to arrive on Thursday (May 14) at 3PM. Winds are predicted to be cross-onshore at the time the swell arrives.

Wave TypeTime (CST) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Thu 14th May)3ft (0.9m) 15s
Best Surf 9PM (Thu 14th May)3ft (0.9m) 15s
Most Powerful 3PM (Thu 14th May)3ft (0.9m) 15s

Table - best surf conditions forecast for Rio Claro over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 23mm), heaviest during Sat night. Warm (max 29°C on Thu morning, min 26°C on Sat night). Wind will be generally light.

Days 4-6 Weather Summary

Heavy rain (total 35mm), heaviest during Tue afternoon. Warm (max 29°C on Sun morning, min 24°C on Tue night). Wind will be generally light.

Thursday
14
Friday
15
Saturday
16
Sunday
17
Monday
18
Tuesday
19
Wednesday
20
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
0
2
2
1
2
1
1
2
2
1
2
2
1
2
1
1
2
0
1
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
SW
16
0.9
SSW
15
0.9
SSW
15
0.9
SSW
14
0.9
SSW
14
0.8
SSW
14
0.8
SSW
13
0.7
SW
13
0.8
SSW
14
0.8
SSW
14
0.8
SSW
14
0.8
SSW
14
0.8
SSW
13
0.7
SSW
13
0.7
SSW
13
0.4
SSW
18
0.5
SSW
18
0.7
SSW
16
0.4
SSW
16
0.4
SW
16
0.6
SSW
14
Wave Graph
Metric surfscale
Energy kJ
362
377
377
352
347
236
222
178
264
264
264
232
222
151
142
123
176
226
86
102
140
Wind (km/h)
5
S
10
WSW
5
NW
5
SSE
10
WSW
5
WNW
5
W
15
W
5
NW
0
WNW
10
WSW
5
NNE
5
SE
10
WSW
5
WNW
5
SSE
10
SSW
5
WNW
5
SE
10
WSW
5
N
glassy
cross-on
glassy
glassy
cross
cross-off
cross
cross
glassy
glassy
cross-on
glassy
glassy
cross-on
glassy
on
cross-on
cross-off
cross-on
cross
glassy
High Tide
12:24PM2.80m
00:59AM2.57m
1:14PM2.98m
1:49AM2.73m
2:03PM3.11m
2:38AM2.86m
2:52PM3.19m
3:28AM2.94m
3:41PM3.20m
4:18AM2.96m
4:32PM3.13m
5:10AM2.93m
5:25PM3.01m
Low Tide
6:50PM0.38m
6:58AM0.48m
7:38PM0.18m
7:48AM0.34m
8:26PM0.02m
8:38AM0.23m
9:14PM-0.08m
9:29AM0.18m
10:03PM-0.10m
10:20AM0.20m
10:53PM-0.04m
11:14AM0.28m
11:46PM0.07m
thunderstorm
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
thunderstorm
thunderstorm
mod rain
rain showers
clear
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:15
5:15
5:15
5:15
5:15
5:15
5:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:45
5:45
5:45
5:45
5:45
5:45
5:45
1
1
5
1
2
1
3
9
2
2
5
10
6
9
1
Temp °C
29
29
27
29
29
28
29
29
27
29
29
27
29
29
27
28
28
25
29
29
27
34
32
31
34
33
33
33
32
31
33
33
32
33
33
31
32
32
28
32
33
32
Swell 1
Height (m)
Direction
Period (s)
0.9
SW
16
0.9
SSW
15
0.9
SSW
15
0.9
SSW
14
0.9
SSW
14
0.8
SSW
14
0.8
SSW
13
0.7
SW
13
0.8
SSW
14
0.8
SSW
14
0.8
SSW
14
0.8
SSW
14
0.8
SSW
13
0.7
SSW
13
0.7
SSW
13
0.6
SSW
12
0.6
SSW
12
0.7
SSW
16
0.4
S
7
0.4
SW
16
0.6
SSW
14
Energy kJ
362
377
377
352
347
236
222
178
264
264
264
232
222
151
142
98
98
226
16
90
140
Swell 2
Height (m)
Direction
Period (s)
0.6
S
10
0.5
S
10
0.5
S
9
0.5
S
10
0.5
S
10
0.4
S
10
0.4
S
9
0.4
S
9
0.4
S
10
0.4
S
9
0.4
S
8
0.5
S
7
0.5
S
7
0.5
S
7
0.5
S
6
0.5
S
7
0.5
SSW
18
0.4
SSW
12
0.4
SW
14
0.4
SSW
6
0.4
SW
15
Energy kJ
66
46
43
46
46
29
27
28
29
23
19
27
27
28
22
27
176
56
46
13
80
Swell 3
Height (m)
Direction
Period (s)
0.3
SW
15
0.3
SW
15
0.3
SW
13
0.1
W
11
0.1
W
13
0.1
SW
18
0.1
W
12
0.3
SSW
16
0.1
W
12
0.2
SSW
20
0.2
SSW
19
0.4
SW
18
0.4
SW
18
0.4
SSW
16
0.3
SSW
19
0.4
SSW
18
0.5
S
7
0.4
S
7
0.4
SSW
16
0.4
SSW
16
0.4
SSW
6
Energy kJ
33
33
28
2
4
12
3
51
3
37
37
82
83
103
73
123
26
16
86
102
12
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
1
2
2
2
2
1
2
2
2
2
2
Distance (km)
0
90
0
0
35
0
27
35
0
0
346
0
0
35
0
50
50
0
35
107
0
Best forecast wave conditions in Golfo Dulce
Rating
(10 max)
3
3
2
2
2
2
2
2
2
2
2
2
2
1
2
2
2
2
Best forecast wave conditions in Costa Rica
Rating
(10 max)
3
2
3
2
3
2
2
2
2
2
1
2
2
2
2
2
2
2
2
2
2
Header Global
Rating
(10 max)
4
5
5
5
5
4
5
5
7
6
4
4
4
5
4
4
5
5
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)
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Information about the Rio Claro Surf forecast

The above surf forecast table for Rio Claro provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Rio Claro can be found by selecting the local surf guide option on the grey menu. Our Rio Claro surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Rio Claro) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Rio Claro may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Are you planning a holiday in Golfo Dulce? If you are looking for accommodation near Rio Claro, camping, hotels and holiday cottages in Golfo Dulce, consider staying in Golfito which is 51 km (32 miles) away. Alternatively, find information about places to stay and car hire in Puerto Armuelles which is 82 km (51 miles) away

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