Rio Tulin Surf Break

Lat Long: 9.54° N 84.56° W

Rio Tulin Surf Forecast and Surf Report

Issued: 5 am 13 Sep 2026 (local time)

Forecast update in  hr  min

Today's Rio Tulin sea temperature is
30.1°C
2.0° 

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 13 Sep 2026:

  • Best quality surf: Sunday 13 Sep, 6PM (local time) - 1.5ft (0.4m), 19s period, SW swell with glassy winds.
  • Most powerful swell: Sunday 20 Sep, 9AM (local time) - 2.5ft (0.7m), 19s period, SW swell with 380 kJ wave energy.
  • Next surfable swell (1★+): Sunday 13 Sep, 6PM (local time) - 1.5ft (0.4m), 19s period with SW 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 (Sep 13) at 6PM. The primary swell is predicted to be 0.4m and 19s period with a secondary swell of 0.7m and 9s. Another secondary swell of 0.5m and 13s is also forecast. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Rio Tulin in the next 16 days are 0.7m 19s and forecast to arrive on Sunday (Sep 20) at 9AM. Winds are predicted to be cross-shore at the time the swell arrives.

Wave TypeTime (CST) & Date Wave Height & Period
Next good surf (1 star+) 6PM (Sun 13th Sep)1.5ft (0.4m) 19s
Best Surf 6PM (Sun 13th Sep)1.5ft (0.4m) 19s
Most Powerful 9AM (Sun 20th Sep)2.5ft (0.7m) 19s

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


Short Range Forecast

Heavy rain (total 31mm), heaviest during Sun night. Warm (max 29°C on Sun morning, min 26°C on Mon night). Wind will be generally light.

Days 4-6 Weather Summary

Moderate rain (total 14mm), heaviest on Fri night. Warm (max 29°C on Thu morning, min 26°C on Wed night). Wind will be generally light.

Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
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
1
2
2
1
2
2
0
2
2
1
1
2
1
2
2
0
2
2
0
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
SSW
13
0.5
SW
13
0.5
SW
19
0.4
SW
19
0.5
SW
18
0.6
SW
18
0.5
SW
18
0.6
SSW
17
0.6
SW
16
0.7
SW
16
0.9
SW
16
0.7
SW
14
0.7
SW
14
0.7
SW
14
0.4
SW
21
0.4
SW
20
0.4
SW
20
0.5
SW
20
0.5
SW
19
0.4
SW
21
0.4
SW
18
Wave Graph
Metric surfscale
Energy kJ
116
85
183
92
150
252
152
200
208
261
353
214
211
208
160
114
114
186
183
115
111
Wind (km/h)
5
WNW
10
SSW
0
NE
0
NW
10
SW
0
W
10
SE
15
SSE
5
NE
5
NW
10
SSW
10
NW
5
ENE
10
SSW
5
NW
5
W
10
SW
0
NW
5
SSE
10
S
0
ENE
Wind State
glassy
on
glassy
glassy
on
glassy
cross-off
cross-on
glassy
glassy
on
cross
glassy
on
glassy
glassy
on
glassy
glassy
cross-on
glassy
High Tide
4:17PM2.74m
4:34AM2.89m
4:56PM2.65m
5:12AM2.79m
5:35PM2.52m
5:50AM2.64m
6:15PM2.37m
6:29AM2.47m
6:56PM2.20m
7:12AM2.31m
7:44PM2.04m
8:02AM2.15m
8:44PM1.92m
Low Tide
10:10AM0.11m
10:22PM0.17m
10:50AM0.15m
11:00PM0.26m
11:29AM0.24m
11:38PM0.39m
12:08PM0.37m
00:17AM0.54m
12:50PM0.52m
00:58AM0.70m
1:36PM0.68m
1:46AM0.86m
2:32PM0.81m
2:46AM0.98m
thunderstorm
thunderstorm
mod rain
part cloud
thunderstorm
rain showers
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:28
5:28
5:28
5:28
5:26
5:26
5:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:39
5:38
5:37
5:37
5:37
5:36
5:36
 mm
1
2
7
3
6
1
6
5
1
2
3
1
1
1
5
3
14
Temp °C
29
29
28
29
29
28
28
28
27
28
28
27
29
29
28
28
29
28
29
29
28
Feels °C
33
33
32
33
33
33
32
30
31
32
32
31
32
32
33
32
32
33
33
32
33
  • 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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