Junquillal surfForecast / Guanacaste / Costa Rica

information circle16 Day Weather and Surf, issued 11 am Saturday 30 May 2026 CST
Forecast update in hr  min  s Forecast update imminent
Junquillal surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Junquillal sea temperature is
30.3° C
(Which is 1.7°C warmer than normal for this time of year)

Junquillal surf forecast from 30 May 2026:

  • Best quality surf: Sunday 31 May, 6AM (local time) - 4.5ft (1.4m), 16s period, S swell with glassy winds.
  • Most powerful swell: Thursday 4 Jun, 9PM (local time) - 5.5ft (1.7m), 19s period, SW swell with 1,967 kJ wave energy.
  • Next surfable swell (1★+): Sunday 31 May, 6AM (local time) - 4.5ft (1.4m), 16s period with S swell.

Best Forecast Surf Conditions for Junquillal this week:

The surf forecast for Junquillal over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (May 31) at 6AM. The primary swell is predicted to be 1.4m and 16s period with a secondary swell of 0.8m and 20s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Junquillal in the next 16 days are 1.7m 19s and forecast to arrive on Thursday (Jun 04) at 9PM. Winds are predicted to be cross-onshore at the time the swell arrives.

Wave TypeTime (CST) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Sun 31st May)4.5ft (1.4m) 16s
Best Surf 6AM (Sun 31st May)4.5ft (1.4m) 16s
Most Powerful 9PM (Thu 4th Jun)5.5ft (1.7m) 19s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 26mm), heaviest during Sat night. Warm (max 31°C on Mon morning, min 27°C on Sat night). Wind will be generally light.

Days 4-6 Weather Summary

Heavy rain (total 52mm), heaviest during Wed night. Warm (max 30°C on Tue morning, min 26°C on Tue night). Wind will be generally light.

Saturday
30
Sunday
31
Monday
1
Tuesday
2
Wednesday
3
Thursday
4
Friday
5
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
0
3
4
4
4
4
3
4
3
3
4
4
3
3
4
3
4
2
2
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
SSW
17
1
S
17
1.3
S
16
1.1
SW
20
1.3
SW
19
1.4
SW
18
1.6
SW
18
1.6
SW
17
1.6
SW
16
1.4
SW
16
1.4
SW
16
1.3
SW
15
1.1
SW
15
1.1
SW
15
1.5
SW
18
1.2
SW
19
1.1
SW
19
1.7
SW
18
1.7
SW
18
1.6
SW
17
1.6
SW
16
Wave Graph
Metric surfscale
Energy kJ
493
572
847
843
1210
1326
1634
1579
1303
989
976
743
551
546
1351
984
911
1842
1741
1579
1401
Wind (km/h)
5
SSE
15
S
5
SSE
0
SSW
10
WSW
5
SSE
5
ENE
10
SW
0
SE
5
ENE
10
SW
5
SE
5
E
15
SW
10
E
5
SE
15
SW
5
ESE
15
SSE
20
SSW
10
ESE
cross-on
cross-on
on
glassy
cross-off
glassy
glassy
cross
glassy
cross
cross
glassy
glassy
cross
cross-on
glassy
cross
glassy
on
cross
on
High Tide
2:03PM2.28m
2:37AM2.05m
2:43PM2.30m
3:17AM2.07m
3:22PM2.30m
3:56AM2.08m
4:01PM2.28m
4:36AM2.08m
4:40PM2.25m
5:16AM2.07m
5:19PM2.19m
5:56AM2.05m
5:58PM2.12m
Low Tide
8:29PM0.35m
8:32AM0.53m
9:08PM0.31m
9:12AM0.52m
9:46PM0.30m
9:52AM0.52m
10:25PM0.31m
10:31AM0.55m
11:03PM0.35m
11:11AM0.60m
11:40PM0.40m
11:52AM0.66m
00:18AM0.46m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
rain showers
cloud
thunderstorm
part cloud
rain showers
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
mod rain
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:20
5:20
5:20
5:20
5:20
5:20
5:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:00
6:00
6:00
6:00
6:00
6:01
6:01
1
6
9
1
2
5
2
1
6
5
2
9
12
1
1
15
8
8
20
Temp °C
30
30
28
30
29
28
31
29
28
30
30
27
30
29
26
29
29
27
29
26
25
34
32
32
33
32
32
34
32
33
34
33
31
33
32
30
32
32
31
31
27
28
Swell 1
Height (m)
Direction
Period (s)
0.9
SSW
17
1
S
17
1.3
S
16
1
S
15
1.3
SW
19
1.4
SW
18
1.6
SW
18
1.6
SW
17
1.6
SW
16
1.4
SW
16
1.4
SW
16
1.3
SW
15
1.1
SW
15
1.1
SW
15
1.5
SW
18
1.2
SW
19
1.2
SW
16
1.7
SW
18
1.7
SW
18
1.6
SW
17
1.6
SW
16
Energy kJ
493
572
847
446
1210
1326
1634
1579
1303
989
976
743
551
543
1351
984
711
1842
1741
1579
1401
Swell 2
Height (m)
Direction
Period (s)
0.8
SW
13
0.9
SW
13
0.8
SW
21
1.1
SW
20
1.3
S
14
1.1
S
14
1
S
13
0.9
S
13
0.8
S
12
0.7
S
12
0.7
S
11
0.6
S
11
0.8
SW
19
0.9
SW
18
0.4
SW
21
1.1
SW
15
1.1
SW
19
0.7
SSW
14
1.2
SSW
7
1.4
SSW
7
1.1
SW
7
Energy kJ
208
249
543
843
703
460
350
268
184
137
127
83
446
546
162
509
911
207
135
197
106
Swell 3
Height (m)
Direction
Period (s)
0.7
S
7
0.7
S
6
0.8
SW
12
0.8
SSW
13
0.6
SW
12
0.8
SW
14
0.2
SSW
21
0.3
SW
21
0.6
SW
20
0.5
S
10
0.5
S
10
0.4
SSW
9
0.4
SSW
9
0.5
S
6
0.7
SSW
6
0.7
SSW
14
0.6
SSW
13
0.5
S
13
Energy kJ
44
41
187
225
122
248
45
72
239
53
48
28
25
22
41
210
141
87
Wind waves
Height (m)
Direction
Period (s)
Energy kJ
Nearest Offshore or Glassy
Rating
(10 max)
3
3
3
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
Distance (km)
2
28
2
0
0
0
0
8
0
2
8
0
0
8
2
0
8
0
2
167
2
Best forecast wave conditions in Guanacaste
Rating
(10 max)
3
3
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
Best forecast wave conditions in Costa Rica
Rating
(10 max)
3
3
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
Header Global
Rating
(10 max)
7
7
6
5
5
4
5
5
6
4
4
5
5
5
4
5
8
5
5
7
9
  • 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 Junquillal Surf forecast

The above surf forecast table for Junquillal provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Junquillal can be found by selecting the local surf guide option on the grey menu. Our Junquillal 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 (Junquillal) 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 Junquillal 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.

Junquillal is 40 km (25 miles) from Nicoya. If you plan a holiday in Guanacaste, look for hotels and other accommodation in Nicoya. Nicoya has rooms for a wide range of budgets as well as car hire and transport links.

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