Rio Tulin Surf Break

Lat Long: 9.54° N 84.56° W

Rio Tulin Surf Forecast and Surf Report

Issued: 11 pm 22 Aug 2026 (local time)

Forecast update in  hr  min

Today's Rio Tulin sea temperature is
30.1°C
1.8° 

Rio Tulin surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Rio Tulin surf forecast from 23 Aug 2026:

  • Best quality surf: Saturday 29 Aug, 6AM (local time) - 3.5ft (1.1m), 17s period, SW swell with offshore winds.
  • Most powerful swell: Saturday 29 Aug, 3PM (local time) - 4.5ft (1.3m), 16s period, SW swell with 823 kJ wave energy.
  • Next surfable swell (1★+): Sunday 23 Aug, 9AM (local time) - 2.5ft (0.8m), 9s period with SSW swell.

Best Forecast Surf Conditions for Rio Tulin this week:

The surf forecast for Rio Tulin over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Aug 23) at 9AM. The primary swell is predicted to be 0.8m and 9s period with a secondary swell of 0.4m and 14s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Rio Tulin in the next 16 days are 1.3m 16s and forecast to arrive on Saturday (Aug 29) at 3PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 2s period and expected on Thursday (Aug 27) at 12AM.

Wave TypeTime (CST) & Date Wave Height & Period
Next good surf (1 star+) 9AM (Sun 23rd Aug)2.5ft (0.8m) 9s
Best Surf 6AM (Sat 29th Aug)3.5ft (1.1m) 17s
Most Powerful 3PM (Sat 29th Aug)4.5ft (1.3m) 16s

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


Short Range Forecast

Heavy rain (total 25mm), heaviest during Tue afternoon. Warm (max 29°C on Sun morning, min 26°C on Sat night). Wind will be generally light.

Days 5-7 Weather Summary

Heavy rain (total 59mm), heaviest during Tue night. Warm (max 29°C on Fri morning, min 25°C on Thu night). Wind will be generally light.

Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
2
1
2
2
1
2
2
0
1
1
0
1
1
1
2
3
1
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
SSW
9
0.4
SW
19
0.5
SW
18
0.5
SW
18
0.5
SW
18
0.5
SW
18
0.6
SSW
16
0.5
SW
16
0.4
SSW
16
0.5
SW
16
0.4
SW
15
0.4
SW
15
0.4
SW
15
0.4
SW
18
0.4
SW
18
0.4
SW
21
0.6
SW
19
0.6
SW
19
1.1
SW
18
Wave Graph
Metric surfscale
Energy kJ
86
110
166
159
157
150
181
129
102
118
57
58
57
79
84
113
303
299
799
Wind (km/h)
10
ESE
10
E
5
S
5
ENE
5
NNE
10
SW
5
NNE
5
NW
10
SSW
10
NE
5
ESE
10
S
5
SE
5
NNW
10
WSW
5
NNE
10
NNW
10
WSW
5
NNE
Wind State
cross-off
cross-off
cross-on
glassy
glassy
on
glassy
glassy
cross-on
off
cross-off
cross-on
glassy
cross-off
on
glassy
cross-off
on
glassy
High Tide
10:57AM2.09m
11:49PM1.91m
12:02PM2.14m
00:49AM2.02m
12:57PM2.24m
1:36AM2.18m
1:43PM2.35m
2:16AM2.34m
2:24PM2.46m
2:52AM2.50m
3:03PM2.55m
Low Tide
4:36AM0.99m
5:35PM0.82m
5:46AM0.96m
6:34PM0.74m
6:46AM0.87m
7:22PM0.62m
7:35AM0.75m
8:02PM0.50m
8:18AM0.62m
8:38PM0.40m
8:57AM0.49m
9:13PM0.32m
thunderstorm
rain showers
thunderstorm
thunderstorm
part cloud
thunderstorm
part cloud
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
mod rain
rain showers
thunderstorm
thunderstorm
clear
thunderstorm
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:28
5:28
5:28
5:28
5:28
5:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:52
5:51
5:51
5:50
5:50
5:49
 mm
1
1
3
9
4
7
16
3
9
10
1
6
8
6
1
Temp °C
27
29
29
28
29
28
28
29
29
26
28
28
26
28
28
27
29
29
27
Feels °C
27
33
33
33
33
32
33
33
33
30
31
31
30
32
32
31
32
33
31
  • 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 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 16 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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