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Surf Forecasts:

Rio Claro surfForecast / Golfo Dulce / Costa Rica

information circle12 Day Weather and Surf, issued 5 am Monday 20 Oct 2025 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
28.2° 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 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Oct 20) at 9PM. The primary swell is predicted to be 0.8m and 13s period with a secondary swell of 0.4m and 14s. Another secondary swell of 1.2m and 6s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Rio Claro in the next 12 days are 0.8m 16s and forecast to arrive on Monday (Oct 27) at 12PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 6s period and expected on Tuesday (Oct 21) at 12AM.

Wave TypeTime (CST) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Mon 20th Oct)2.5ft (0.8m) 13s
Best Surf 9PM (Mon 20th Oct)2.5ft (0.8m) 13s
Most Powerful12PM (Mon 27th Oct)2.5ft (0.8m) 16s

Table - best surf conditions forecast for Rio Claro over the next 12 days.

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Heavy rain (total 46mm), heaviest during Mon night. Warm (max 27°C on Mon morning, min 24°C on Mon night). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 72mm), heaviest during Fri afternoon. Warm (max 26°C on Sat morning, min 24°C on Thu morning). Wind will be generally light.

Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
2
1
2
2
0
0
1
1
2
2
2
2
2
2
2
2
1
2
2
1
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.9
SSW
0.9
SSW
0.7
SSW
0.8
SSW
0.7
SSW
0.7
SSW
0.6
SW
0.6
SW
0.6
SW
0.6
SW
0.7
SW
1.2
SW
1.2
SW
0.7
SSW
1.4
SW
0.6
SSW
0.6
SSW
1.3
SW
1.3
SW
1.3
SW
1.3
SW
Period(s) (?)13131212121216161615146715714146667
Wave
Graph
(?)Metric surfscale
Energy kJ (?)282273138169129129203161198171214116127199186150166141145150140
Wind
(km/h)
10
WNW
15
W
5
NNW
0
WNW
10
S
10
S
10
SSW
5
SSW
5
W
0
ENE
5
W
5
WSW
5
W
5
WNW
5
NW
5
SW
10
WSW
5
W
5
SSW
10
WSW
10
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		crosscross-
off		glassonononcross-
on		glassglassglassglassglasscross-
off		glassglasscrossglassglasscrosscross-
on
High Tide
/ height (m)
2:08PM
2.62
2:18AM
2.82
2:44PM
2.68
2:52AM
2.86
3:18PM
2.70
3:25AM
2.85
3:52PM
2.68
3:59AM
2.81
4:27PM
2.62
4:33AM
2.72
5:03PM
2.52
5:08AM
2.61
5:40PM
2.41
Low Tide
/ height (m)
8:08PM
0.51
8:35AM
0.32
8:43PM
0.47
9:08AM
0.27
9:17PM
0.46
9:42AM
0.26
9:51PM
0.48
10:16AM
0.29
10:26PM
0.54
10:51AM
0.37
11:01PM
0.64
11:28AM
0.48
11:37PM
0.76
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Sunrise5:20--5:22--5:22--5:22--5:22--5:22--5:22--
Sunset-5:15--5:15--5:15--5:15--5:14--5:14--5:14-
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
cloud
part cloud
mod rain
mod rain
thunderstorm
heavy rain
thunderstorm
thunderstorm
rain showers
thunderstorm
thunderstorm
rain showers
mod rain
mod rain
thunderstorm
Rain (mm)
3616155--1064131119336791021
Temp. °C272625272725252525242524252424262625252525
Feels °C (?)312829313029292929292928302828302929292828
  • 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

Eyeball surf reportRecent Eyeball Surf Reports for Golfo Dulce

  1. weather stationWind Update Continuing clean conditions at Rio Claro (light winds from the WSW at Puerto Armuelles wx 83 km from Rio Claro). 0.9m 6s windswell from the SW with a 0.8m 13s groundswell from the SSW and a 0.2m 16s long period groundswell from the WSW. 3 swells combining to make bigger set waves.

    1 hour 13 minutes ago Rio Claro
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FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Rio Claro surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Rio Claro at:
surf-forecast.com

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 12 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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