Jaco Beach Surf Break

Lat Long: 9.60° N 84.62° W

Jaco Beach Surf Forecast and Surf Report

Issued: 5 pm 16 Sep 2026 (local time)

Forecast update in  hr  min

Today's Jaco Beach sea temperature is
30.1°C
2.0° 

Jaco Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Jaco Beach surf forecast from 17 Sep 2026:

  • Best quality surf: Sunday 20 Sep, 9AM (local time) - 2.5ft (0.8m), 19s period, SW swell with glassy winds.
  • Most powerful swell: Wednesday 23 Sep, 3PM (local time) - 6.5ft (2.0m), 9s period, SW swell with 635 kJ wave energy.
  • Next surfable swell (1★+): Thursday 17 Sep, 6AM (local time) - 2.5ft (0.8m), 14s period with SW swell.

Best Forecast Surf Conditions for Jaco Beach this week:

The surf forecast for Jaco Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Sep 17) at 6AM. The primary swell is predicted to be 0.8m and 14s period with a secondary swell of 0.7m and 10s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Jaco Beach in the next 16 days are 2.0m 9s and forecast to arrive on Wednesday (Sep 23) at 3PM. 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+) 6AM (Thu 17th Sep)2.5ft (0.8m) 14s
Best Surf 9AM (Sun 20th Sep)2.5ft (0.8m) 19s
Most Powerful 3PM (Wed 23rd Sep)6.5ft (2.0m) 9s

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


Short Range Forecast

Moderate rain (total 15mm), heaviest on Thu night. Warm (max 29°C on Wed afternoon, min 26°C on Thu night). Wind will be generally light.

Days 5-7 Weather Summary

Heavy rain (total 58mm), heaviest during Sat night. Warm (max 29°C on Sat afternoon, min 25°C on Sun night). Wind will be generally light.

Wed
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
2
2
0
1
2
0
2
2
0
2
3
2
2
3
3
1
3
2
2
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
SW
16
0.8
SW
14
0.8
SW
14
0.9
SW
14
0.8
SW
14
0.4
SW
20
0.4
SW
20
0.5
SW
19
0.5
SW
19
0.5
SW
21
0.6
SW
18
0.8
SW
19
0.8
SW
19
0.8
SW
18
0.9
SW
18
0.9
SW
17
0.8
SW
16
0.8
SW
16
0.8
SW
16
1.9
SW
8
Wave Graph
Metric surfscale
Energy kJ
353
251
248
297
238
145
138
184
181
220
269
446
520
370
516
505
375
371
361
456
Wind (km/h)
10
SSE
5
N
5
ENE
15
SSW
5
NW
5
NNW
15
SW
5
WNW
5
NW
15
SSW
5
SE
0
S
10
SSW
10
E
10
SE
5
SSE
15
SE
15
SE
20
SE
15
SE
Wind State
cross-off
glassy
glassy
cross-on
cross-on
glassy
cross-on
glassy
glassy
cross-on
glassy
glassy
cross
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
6:15PM2.37m
6:29AM2.47m
6:56PM2.20m
7:12AM2.31m
7:44PM2.04m
8:02AM2.15m
8:44PM1.92m
9:04AM2.05m
9:57PM1.87m
10:17AM2.01m
11:12PM1.93m
11:27AM2.06m
00:11AM2.07m
Low Tide
00:17AM0.54m
12:50PM0.52m
00:58AM0.70m
1:36PM0.68m
1:46AM0.86m
2:32PM0.81m
2:46AM0.98m
3:40PM0.88m
4:00AM1.03m
4:52PM0.87m
5:15AM1.00m
5:53PM0.80m
thunderstorm
part cloud
part cloud
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
mod rain
thunderstorm
thunderstorm
thunderstorm
mod rain
thunderstorm
mod rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:28
5:28
5:26
5:26
5:26
5:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:37
5:37
5:37
5:36
5:35
5:35
5:34
 mm
3
3
3
2
4
2
15
3
5
10
1
6
8
8
2
10
Temp °C
29
28
29
29
28
29
29
28
29
29
28
28
28
26
28
27
27
27
26
26
Feels °C
32
33
31
32
32
31
31
33
32
32
34
34
31
29
32
31
30
29
27
28
  • 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 Jaco Beach Surf forecast

The above surf forecast table for Jaco Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Jaco Beach can be found by selecting the local surf guide option on the grey menu. Our Jaco Beach 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 (Jaco Beach) 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 Jaco Beach 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 Jaco Beach, 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 San Rafael Abajo which is 45 km (28 miles) away, Tejar, Chacarita and Puntarenas.

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