Rio Tulin surfForecast / Golfo de Nicoya / Costa Rica

information circle12 Day Weather and Surf, issued 11 pm Friday 12 Dec 2025 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
28.6° C
(Which is 1.0°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 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Dec 13) at 3AM. The primary swell is predicted to be 0.9m and 7s period with a secondary swell of 0.4m and 11s. 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 0.6m 13s and forecast to arrive on Thursday (Dec 18) at 12PM. Winds are predicted to be onshore at the time the swell arrives.

Wave TypeTime (CST) & Date Wave Height & Period
Next good surf (1 star+) 3AM (Sat 13th Dec)3ft (0.9m) 7s
Best Surf 9AM (Tue 16th Dec)2ft (0.6m) 13s
Most Powerful12PM (Thu 18th Dec)2ft (0.6m) 13s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Heavy rain (total 24mm), heaviest during Sat afternoon. Warm (max 27°C on Fri night, min 24°C on Sat night). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 2mm), mostly falling on Tue afternoon. Warm (max 27°C on Tue morning, min 24°C on Mon night). Wind will be generally light.

Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Fri
19
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
1
1
0
1
1
0
1
1
0
1
2
0
2
2
0
2
1
0
1
1
0
Swell
Height Map
Wave Height (m) & direction (?)
0.9
SSW
1
SSW
1
SSW
1
SSW
1
SSW
0.9
SSW
0.4
SW
0.4
SW
0.4
SSW
0.4
SSW
0.6
SSW
0.4
SW
0.5
SW
0.5
SW
0.4
SW
0.6
SSW
0.5
SW
0.6
SSW
0.5
SW
0.5
SW
0.5
SW
Period(s) (?)777777151514131313151515131313121212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)841089191887064548269116451061065811687116737172
Wind
(km/h)
5
E
0
SSW
10
SW
5
N
5
E
10
S
5
NNE
5
NE
5
S
5
NE
5
NNE
10
S
10
NE
5
ENE
10
S
5
NE
5
E
10
SSW
5
NNE
0
ENE
10
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassglassonglassglasscross-
on
glassglasscross-
on
offglasscross-
on
offglasscross-
on
glassglassonoffglasscross-
on
High Tide
/ height (m)
9:27AM
2.11
9:58PM
2.35
10:30AM
2.04
10:53PM
2.32
11:31AM
2.03
11:45PM
2.32
12:26PM
2.06
12:34AM
2.35
1:14PM
2.11
1:19AM
2.40
1:58PM
2.18
2:02AM
2.46
2:39PM
2.25
Low Tide
/ height (m)
3:26AM
0.73
3:34PM
0.73
4:27AM
0.75
4:31PM
0.81
5:25AM
0.72
5:27PM
0.84
6:17AM
0.66
6:19PM
0.82
7:04AM
0.58
7:07PM
0.77
7:47AM
0.50
7:52PM
0.70
8:28AM
0.42
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Fri
19
Sunrise-5:43--5:45--5:46--5:46--5:47--5:47--5:48-
Sunset--5:19--5:19--5:20--5:20--5:21--5:21--5:22
thunderstorm
part cloud
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
part cloud
thunderstorm
part cloud
clear
thunderstorm
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
Rain (mm)
5-53-43-4--2---------
Temp. °C272727262727262727262727262727262727262727
Feels °C (?)313230313130313130303030302930302929302929
  • 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 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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