Roca Loca surfForecast / Golfo de Nicoya / Costa Rica

information circle12 Day Weather and Surf, issued 11 am Monday 15 Dec 2025 CST
Forecast update in hr  min  s Forecast update imminent
Roca Loca surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Roca Loca sea temperature is
28.5° C
(Which is slightly warmer than usual)


Best Forecast Surf Conditions for Roca Loca this week:

The surf forecast for Roca Loca over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Dec 15) at 6PM. The primary swell is predicted to be 0.9m and 6s period with a secondary swell of 0.3m and 15s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Roca Loca in the next 12 days are 0.9m 12s and forecast to arrive on Saturday (Dec 20) 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 (Mon 15th Dec)3ft (0.9m) 6s
Best Surf 9PM (Sat 20th Dec)3ft (0.9m) 12s
Most Powerful 9PM (Sat 20th Dec)3ft (0.9m) 12s

Table - best surf conditions forecast for Roca Loca over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Moderate rain (total 16mm), heaviest on Mon afternoon. Warm (max 27°C on Mon morning, min 23°C on Wed night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Warm (max 27°C on Thu afternoon, min 24°C on Thu night). Wind will be generally light.

Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
1
0
1
1
0
1
1
0
1
1
0
1
1
0
1
1
0
2
2
0
2
Swell
Height Map
Wave Height (m) & direction (?)
1
SSW
0.4
SW
0.9
SSW
0.5
SSW
0.4
SW
0.6
SW
0.5
SW
0.4
SW
0.6
SW
0.6
SW
0.6
SW
0.6
SW
0.4
SW
0.4
SW
0.4
SW
0.5
S
0.8
S
0.9
S
0.9
S
0.9
S
0.9
S
Period(s) (?)7156131315151213131312121212131312121111
Wave
Graph
(?)Metric surfscale
Energy kJ (?)9376709662134104531091111099352515084209232221199192
Wind
(km/h)
5
NNE
10
SE
5
ENE
5
NNE
10
SSE
5
ENE
5
E
10
S
5
ESE
5
ENE
10
SSW
5
N
5
N
10
SW
5
ENE
0
ENE
10
S
5
NNE
5
N
10
SSW
5
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offcrosscross-
off
glasscross-
on
offglasscross-
on
cross-
off
glasscross-
on
cross-
off
glassonglassglasscross-
on
offglassonoff
High Tide
/ height (m)
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
2:43AM
2.51
3:19PM
2.31
3:22AM
2.54
3:58PM
2.36
Low Tide
/ height (m)
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
8:33PM
0.65
9:07AM
0.36
9:14PM
0.60
9:45AM
0.32
9:53PM
0.59
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Sunrise5:46--5:46--5:47--5:47--5:48--5:48--5:48--
Sunset-5:20--5:21--5:21--5:21--5:22--5:22--5:22-
thunderstorm
mod rain
thunderstorm
part cloud
part cloud
thunderstorm
clear
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
383--1-1-------------
Temp. °C272726272625272726262726272726272726272726
Feels °C (?)313029302928293029283030292929292930292830
  • 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 Roca Loca Surf forecast

The above surf forecast table for Roca Loca provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Roca Loca can be found by selecting the local surf guide option on the grey menu. Our Roca Loca 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 (Roca Loca) 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 Roca Loca 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 Roca Loca, camping, hotels and holiday cottages in Golfo de Nicoya, consider staying in Esparza which is 43 km (27 miles) away. Other places in and around Golfo de Nicoya where you can find information about places to rent, and car hire include Tejar which is 46 km (29 miles) away, San Rafael Abajo, Chacarita and Puntarenas.

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