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Surf Forecasts:

Rio Tulin surfForecast / Golfo de Nicoya / Costa Rica

information circle12 Day Weather and Surf, issued 11 am Tuesday 20 Jan 2026 CST
Forecast update in hr  min  s Forecast update imminent
Rio Tulin surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Rio Tulin sea temperature is
28.8° C
 (Which is slightly warmer than usual)

Best Forecast Surf Conditions for Rio Tulin this week:

The surf forecast for Rio Tulin over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Jan 20) at 6PM. The primary swell is predicted to be 0.6m and 12s period with a secondary swell of 0.3m and 7s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Rio Tulin in the next 12 days are 0.9m 15s and forecast to arrive on Thursday (Jan 22) at 6AM. Winds are predicted to be offshore at the time the swell arrives.

Wave TypeTime (CST) & Date Wave Height & Period
Next good surf (1 star+) 6PM (Tue 20th Jan)2ft (0.6m) 12s
Best Surf 9PM (Tue 20th Jan)1.5ft (0.4m) 18s
Most Powerful 6AM (Thu 22nd Jan)3ft (0.9m) 15s

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

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

Short Range Forecast Light rain (total 2mm), mostly falling on Tue afternoon. Warm (max 29°C on Tue afternoon, min 24°C on Tue night). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 2mm), mostly falling on Fri afternoon. Warm (max 28°C on Fri afternoon, min 24°C on Fri night). Wind will be generally light.

Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Saturday
24
Sunday
25
Monday
26
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
1
0
2
2
1
2
2
1
2
2
0
2
2
0
2
2
1
2
2
0
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.5
SSW
0.5
SSW
0.4
SSW
0.6
SSW
0.7
SSW
0.7
SSW
0.9
SSW
0.9
SSW
0.8
SSW
0.8
SSW
0.8
SSW
0.8
SSW
0.8
SSW
0.7
SSW
0.6
SSW
0.7
SSW
0.7
SSW
0.7
SSW
0.5
SSW
0.7
SSW
0.8
SSW
Period(s) (?)131318131616141414131313131212131313151213
Wave
Graph
(?)Metric surfscale
Energy kJ (?)10195120129226215330325239201195192183131115151149147125125222
Wind
(km/h)
5
N
10
S
10
NE
5
NNE
10
SSW
10
NNE
5
NNE
10
S
10
NE
5
NE
15
S
10
NE
5
NNE
10
SSW
5
NNE
5
N
10
SSW
5
NE
5
N
15
S
5
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glasscross-
on		offglasscross-
on		cross-
off		glasscross-
on		offglasscross-
on		offglasscross-
on		glassglasscross-
on		offglasscross-
on		cross-
off
High Tide
/ height (m)
4:15PM
2.53
4:20AM
2.61
4:50PM
2.61
4:57AM
2.60
5:26PM
2.67
5:35AM
2.56
6:03PM
2.70
6:16AM
2.49
6:43PM
2.69
7:01AM
2.40
7:28PM
2.65
7:52AM
2.29
8:20PM
2.59
Low Tide
/ height (m)
10:00AM
0.27
10:14PM
0.49
10:35AM
0.24
10:53PM
0.45
11:09AM
0.25
11:33PM
0.43
11:45AM
0.28
12:14AM
0.43
12:23PM
0.34
12:59AM
0.45
1:06PM
0.42
1:50AM
0.49
1:56PM
0.51
2:48AM
0.54
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Saturday
24
Sunday
25
Monday
26
Sunrise5:58--5:58--5:58--5:58--6:00--6:00--6:00--
Sunset-5:37--5:38--5:38--5:39--5:39--5:39--5:40-
clear
thunderstorm
clear
clear
rain showers
clear
clear
clear
clear
clear
rain showers
rain showers
clear
clear
clear
clear
clear
part cloud
clear
part cloud
clear
Rain (mm)
-1--1-----11---------
Temp. °C282927272827272826272827272827272826272827
Feels °C (?)303230283030293029293031293031293030282931
  • 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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Latest Updates

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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Rio Tulin 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 Tulin at:
surf-forecast.com

Information about the Rio Tulin Surf forecast

The above surf forecast table for Rio Tulin provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Rio Tulin can be found by selecting the local surf guide option on the grey menu. Our Rio Tulin 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 Tulin) 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 Tulin 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 de Nicoya? If you are looking for accommodation near Rio Tulin, camping, hotels and holiday cottages in Golfo de Nicoya, consider staying in Tejar which is 42 km (26 miles) away. Other places in and around Golfo de Nicoya where you can find information about places to rent, and car hire include San Rafael Abajo which is 44 km (27 miles) away, Quepos, Esparza and Chacarita.

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