Rio Tulin surfForecast / Golfo de Nicoya / Costa Rica

information circle16 Day Weather and Surf, issued 11 am Saturday 09 May 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
30.0° 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 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (May 09) at 6PM. The primary swell is predicted to be 1.0m and 18s period with a secondary swell of 0.9m and 13s. 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 1.0m 18s and forecast to arrive on Saturday (May 09) at 9PM. Winds are predicted to be glassy at the time the swell arrives.

Wave TypeTime (CST) & Date Wave Height & Period
Next good surf (1 star+) 6PM (Sat 9th May)3.5ft (1.0m) 18s
Best Surf 6PM (Sat 9th May)3.5ft (1.0m) 18s
Most Powerful 9PM (Sat 9th May)3.5ft (1.0m) 18s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 3mm), mostly falling on Sat night. Warm (max 30°C on Sat morning, min 27°C on Sat night). Wind will be generally light.

Days 4-6 Weather Summary

Moderate rain (total 10mm), heaviest on Tue afternoon. Warm (max 29°C on Tue morning, min 27°C on Tue night). Wind will be generally light.

Saturday
9
Sunday
10
Monday
11
Tuesday
12
Wednesday
13
Thursday
14
Friday
15
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
3
1
3
3
1
3
3
0
2
2
1
2
2
0
3
2
1
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)
0.7
SSW
20
0.9
SSW
17
1
SSW
18
1
SSW
17
0.9
SSW
16
1.1
SSW
16
0.9
SSW
16
0.7
SW
16
0.8
SSW
15
0.7
SSW
15
0.6
SSW
14
1
SSW
14
0.9
SSW
13
0.9
SSW
13
1.1
SSW
16
0.9
SW
15
0.9
SSW
15
0.9
SSW
15
0.9
SW
14
0.8
SSW
14
0.8
SSW
14
Wave Graph
Metric surfscale
Energy kJ
342
432
651
608
422
627
397
251
275
188
140
367
257
253
568
322
372
372
288
253
236
Wind (km/h)
0
E
15
SW
5
NE
0
WSW
15
S
10
ENE
5
WNW
15
S
0
N
5
WSW
10
SSW
5
E
0
S
10
S
5
NNE
5
SE
10
S
5
NNW
0
S
10
S
5
NE
glassy
on
off
glassy
cross-on
off
glassy
cross-on
glassy
glassy
on
cross-off
glassy
cross-on
cross-off
cross
cross-on
glassy
glassy
cross-on
off
High Tide
8:01PM2.10m
8:48AM2.11m
9:01PM2.05m
9:46AM2.18m
10:06PM2.06m
10:42AM2.30m
11:09PM2.13m
11:36AM2.46m
00:08AM2.25m
12:28PM2.64m
1:02AM2.39m
1:18PM2.81m
1:53AM2.53m
Low Tide
1:56PM0.94m
2:23AM0.76m
2:58PM0.95m
3:19AM0.79m
4:03PM0.89m
4:17AM0.77m
5:05PM0.75m
5:13AM0.70m
6:02PM0.57m
6:08AM0.58m
6:54PM0.36m
7:00AM0.44m
7:43PM0.17m
clear
part cloud
thunderstorm
clear
clear
thunderstorm
clear
clear
clear
clear
thunderstorm
thunderstorm
clear
part cloud
clear
clear
thunderstorm
clear
clear
thunderstorm
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:18
5:18
5:18
5:18
5:18
5:18
5:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:50
5:50
5:50
5:50
5:51
5:51
5:51
1
2
4
5
1
4
Temp °C
30
30
29
30
30
28
29
30
29
29
29
28
29
29
28
29
29
28
29
29
28
32
32
34
32
32
32
32
32
34
33
32
32
32
31
32
32
32
33
32
32
32
Swell 1
Height (m)
Direction
Period (s)
0.8
SSW
12
0.9
SSW
17
1
SSW
18
1
SSW
17
0.9
SSW
16
1.1
SSW
16
0.9
SSW
16
0.7
SW
16
0.8
SSW
15
0.7
SSW
10
0.7
SSW
11
1
SSW
14
0.9
SSW
13
0.9
SSW
13
1.1
SSW
16
0.9
SW
15
0.9
SSW
15
0.9
SSW
15
0.9
SW
14
0.8
SSW
14
0.8
SSW
14
Energy kJ
169
432
651
608
422
627
397
251
275
110
117
367
257
253
568
322
372
372
288
253
236
Swell 2
Height (m)
Direction
Period (s)
0.7
SSW
16
0.9
SSW
13
0.9
SSW
13
0.8
SSW
12
0.8
SSW
12
0.8
SSW
12
0.6
SSW
11
0.8
SSW
12
0.6
SSW
10
0.7
SSW
15
0.6
SSW
14
0.2
SSW
18
0.4
SSW
18
0.5
SW
17
0.7
S
10
0.6
S
9
0.5
S
9
0.5
S
9
0.5
S
9
0.5
S
9
0.4
S
9
Energy kJ
212
242
261
161
164
189
95
153
78
188
140
33
120
145
94
59
38
42
43
43
24
Swell 3
Height (m)
Direction
Period (s)
0.7
SSW
20
0.5
SSW
20
0.2
S
13
0.4
S
13
0.3
SW
16
0.3
SW
16
0.4
SW
15
0.4
SW
15
0.2
SSW
19
0.4
SW
14
0.4
SSW
13
0.2
S
10
0.5
SSW
16
0.6
SW
14
0.6
SW
14
0.4
SW
13
0.6
SW
13
0.1
W
13
0.1
SW
18
Energy kJ
342
230
14
54
41
41
77
56
37
70
69
8
147
130
125
62
104
4
12
Wind waves
Height (m)
Direction
Period (s)
Energy kJ
Nearest Offshore or Glassy
Rating
(10 max)
3
3
3
3
3
3
3
1
2
2
2
2
2
1
3
3
2
2
2
2
2
Distance (km)
0
154
0
0
153
0
0
185
0
0
160
0
0
50
0
3
66
0
0
86
0
Best forecast wave conditions in Golfo de Nicoya
Rating
(10 max)
3
4
3
3
3
2
2
2
2
2
3
3
2
2
2
2
2
Best forecast wave conditions in Costa Rica
Rating
(10 max)
4
3
4
4
3
3
3
1
3
2
2
2
2
2
3
3
2
3
2
3
2
Header Global
Rating
(10 max)
5
4
9
6
5
5
5
9
9
9
9
8
9
5
5
6
5
5
5
5
5
  • Map Icons:
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  • 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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