Rio Tulin surfForecast / Golfo de Nicoya / Costa Rica

information circle12 Day Weather and Surf, issued 5 am Sunday 08 Mar 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
29.9° C
(Which is 1.2°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 Sunday (Mar 08) at 9PM. The primary swell is predicted to be 0.9m and 14s period with a secondary swell of 0.4m and 16s. 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 1.3m 19s and forecast to arrive on Sunday (Mar 15) at 6AM. Winds are predicted to be offshore at the time the swell arrives.

Wave TypeTime (CST) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Sun 8th Mar)3ft (0.9m) 14s
Best Surf12AM (Tue 10th Mar)2.5ft (0.7m) 22s
Most Powerful 6AM (Sun 15th Mar)4.5ft (1.3m) 19s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Some drizzle, heaviest during Sun night. Warm (max 30°C on Sun afternoon, min 25°C on Sun night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Warm (max 29°C on Wed afternoon, min 25°C on Wed night). Wind will be generally light.

Sunday
08
Monday
09
Tuesday
10
Wednesday
11
Thursday
12
Friday
13
Saturday
14
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
2
0
2
2
0
4
3
1
3
4
2
3
3
0
3
3
1
2
3
0
4
Swell
Height Map
Wave Height (m) & direction (?)
0.9
SSW
0.8
SSW
0.7
SSW
0.8
SSW
0.8
SSW
0.7
SSW
0.9
SSW
1
SSW
1.1
SSW
1.3
SSW
1.3
SSW
1.3
SSW
1.3
SSW
0.9
SSW
1.2
SSW
1.1
SSW
1.1
SSW
1.1
SSW
1
SSW
1
SSW
1
SSW
Period(s) (?)121214151222201918171616151816151414131319
Wave
Graph
(?)Metric surfscale
Energy kJ (?)199193180242165408609701777890938759776454715537515421331321774
Wind
(km/h)
5
NNW
15
S
10
NNE
5
ESE
15
S
10
NNE
5
NNW
15
SSW
10
NNE
0
NNW
10
SSW
5
NNE
5
NNW
15
S
5
NNE
0
SSE
15
S
5
N
0
NW
15
S
10
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glasscross-
on
cross-
off
glasscross-
on
offglasscross-
on
cross-
off
glasscross-
on
glassglasscross-
on
cross-
off
glasscross-
on
cross-
off
glasscross-
on
cross-
off
High Tide
/ height (m)
6:07PM
2.60
6:29AM
2.33
6:44PM
2.45
7:09AM
2.16
7:25PM
2.29
7:56AM
2.01
8:13PM
2.15
8:54AM
1.88
9:15PM
2.05
10:09AM
1.84
10:29PM
2.02
11:26AM
1.90
11:40PM
2.08
Low Tide
/ height (m)
11:55AM
0.43
12:24AM
0.43
12:31PM
0.57
1:04AM
0.57
1:10PM
0.72
1:49AM
0.71
1:55PM
0.87
2:45AM
0.83
2:53PM
0.99
3:54AM
0.90
4:08PM
1.05
5:07AM
0.88
5:26PM
1.01
Sunday
08
Monday
09
Tuesday
10
Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunrise5:48--5:48--5:48--5:47--5:47--5:46--5:45--
Sunset-5:49--5:49--5:49--5:49--5:49--5:49--5:49-
clear
clear
thunderstorm
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
--1------------------
Temp. °C293028282928292927282928282928282928282928
Feels °C (?)303232303132303131303133313032303133303032
  • 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 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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