Rio Tulin surfForecast / Golfo de Nicoya / Costa Rica

information circle16 Day Weather and Surf, issued 11 am Saturday 23 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
30.5° C
(Which is 1.7°C warmer than normal for this time of year)

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 23) at 9PM. The primary swell is predicted to be 0.5m and 16s period with a secondary swell of 0.7m and 8s. 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 1.0m 16s and forecast to arrive on Monday (May 25) at 3AM. Winds are predicted to be cross-offshore at the time the swell arrives.

Wave TypeTime (CST) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Sat 23rd May)1.5ft (0.5m) 16s
Best Surf 3AM (Mon 25th May)3.5ft (1.0m) 16s
Most Powerful 3AM (Mon 25th May)3.5ft (1.0m) 16s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 19mm), heaviest on Mon night. Warm (max 30°C on Sat afternoon, min 27°C on Sat night). Wind will be generally light.

Days 4-6 Weather Summary

Heavy rain (total 32mm), heaviest during Wed afternoon. Warm (max 29°C on Tue morning, min 26°C on Thu night). Wind will be generally light.

Saturday
23
Sunday
24
Monday
25
Tuesday
26
Wednesday
27
Thursday
28
Friday
29
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
1
2
2
0
2
2
1
2
2
0
2
1
1
2
2
1
2
1
0
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
SSW
14
0.4
SSW
16
0.4
SW
16
0.7
SW
19
0.6
SSW
15
0.9
SW
16
0.9
SSW
16
1
SW
16
0.9
SSW
15
0.9
SSW
14
0.9
SSW
14
0.9
SW
14
0.7
SW
14
0.7
SW
13
0.7
SW
13
0.7
SW
13
0.7
SW
14
0.6
SSW
13
0.7
SW
14
0.7
SW
14
1
SSW
15
Wave Graph
Metric surfscale
Energy kJ
125
100
91
353
162
371
458
489
377
367
362
288
186
183
180
183
211
113
194
206
434
Wind (km/h)
5
W
10
SSW
5
NE
5
SSE
10
S
5
N
0
SSE
10
S
5
E
5
NW
15
S
0
ENE
5
SE
10
SSW
10
E
5
S
5
WSW
5
E
5
WNW
10
WNW
5
N
glassy
on
glassy
glassy
cross-on
glassy
glassy
cross-on
glassy
glassy
cross-on
glassy
cross
cross-on
cross-off
glassy
cross-on
glassy
cross
cross-on
glassy
High Tide
8:27PM2.36m
9:09AM2.47m
9:33PM2.24m
10:11AM2.44m
10:39PM2.17m
11:08AM2.43m
11:41PM2.16m
12:00PM2.44m
00:35AM2.19m
12:47PM2.46m
1:23AM2.23m
1:30PM2.49m
2:05AM2.27m
Low Tide
2:21PM0.59m
2:44AM0.48m
3:28PM0.66m
3:45AM0.60m
4:34PM0.67m
4:45AM0.67m
5:34PM0.63m
5:41AM0.70m
6:27PM0.57m
6:32AM0.70m
7:13PM0.50m
7:18AM0.67m
7:55PM0.43m
clear
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:16
5:16
5:16
5:16
5:16
5:16
5:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:52
5:52
5:52
5:52
5:53
5:53
5:53
2
2
3
1
3
8
5
2
2
9
4
5
3
2
2
2
5
Temp °C
29
30
28
29
29
28
29
29
28
29
29
28
29
28
27
28
28
27
28
28
28
34
34
32
34
32
33
32
32
32
33
31
33
33
31
31
32
32
31
31
31
32
Swell 1
Height (m)
Direction
Period (s)
0.6
SSW
8
0.7
SSW
8
0.7
SSW
8
0.7
SW
19
0.6
SSW
8
0.9
SW
16
0.9
SSW
16
1
SW
16
0.9
SSW
15
0.9
SSW
14
0.9
SSW
14
0.9
SW
14
0.7
SW
14
0.7
SW
13
0.7
SW
13
0.7
SW
13
0.7
SW
14
0.6
SSW
13
0.7
SW
14
0.7
SW
14
1
SW
6
Energy kJ
44
72
67
353
55
371
458
489
377
367
362
288
186
183
180
183
211
113
194
206
66
Swell 2
Height (m)
Direction
Period (s)
0.6
SSW
14
0.4
SSW
16
0.4
SW
16
0.6
SSW
8
0.6
SSW
15
0.5
S
8
0.5
S
8
0.5
S
7
0.5
S
7
0.4
SSW
6
0.4
SSW
6
0.5
SSW
6
0.6
SSW
8
0.6
SSW
7
0.5
SSW
6
0.5
S
7
0.5
S
7
0.5
S
7
0.5
S
6
0.7
SSW
6
1
SSW
15
Energy kJ
125
100
91
54
144
35
32
26
23
13
13
18
51
43
23
23
26
25
21
32
434
Swell 3
Height (m)
Direction
Period (s)
0.2
S
9
0.4
SSW
13
0.4
SSW
13
0.4
SSW
13
0.5
SW
18
0.2
S
11
0.2
S
11
0.2
S
10
0.1
S
15
0.3
SSW
9
0.2
S
9
0.2
S
9
0.6
SSW
14
0.3
SSW
13
0.3
SSW
8
0.3
SW
5
0.6
SW
16
0.4
SSW
16
0.2
SSW
20
0.4
SSW
19
0.1
SW
24
Energy kJ
6
68
67
63
162
10
9
8
4
17
7
7
123
34
14
5
155
98
38
142
23
Wind waves
Height (m)
Direction
Period (s)
0.2
WSW
5
0.9
SW
6
Energy kJ
3
60
Nearest Offshore or Glassy
Rating
(10 max)
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
1
2
2
2
3
Distance (km)
0
160
0
0
45
0
0
66
0
0
66
0
9
66
0
0
27
0
3
8
0
Best forecast wave conditions in Golfo de Nicoya
Rating
(10 max)
2
2
2
2
2
3
2
3
3
2
2
2
2
2
2
1
2
2
2
3
Best forecast wave conditions in Costa Rica
Rating
(10 max)
2
2
2
2
2
3
3
2
3
3
2
3
3
2
2
2
2
2
2
2
3
Header Global
Rating
(10 max)
5
5
5
5
4
4
4
5
9
9
7
7
6
6
7
9
5
5
5
5
4
  • 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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