Jaco Beach Surf Break

Lat Long: 9.60° N 84.62° W

Jaco Beach Surf Forecast and Surf Report

Issued: 11 am 13 Aug 2026 (local time)

Forecast update in  hr  min

Today's Jaco Beach sea temperature is
30.2° C
1.9° 

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 14 Aug 2026:

  • Best quality surf: Friday 14 Aug, 6PM (local time) - 3ft (0.9m), 18s period, SW swell with glassy winds.
  • Most powerful swell: Friday 14 Aug, 9PM (local time) - 4.5ft (1.3m), 18s period, SW swell with 973 kJ wave energy.
  • Next surfable swell (1★+): Thursday 13 Aug, 9PM (local time) - 2ft (0.6m), 16s 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 (Aug 13) at 9PM. The primary swell is predicted to be 0.6m and 16s period with a secondary swell of 0.7m and 8s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Jaco Beach in the next 16 days are 1.3m 18s and forecast to arrive on Friday (Aug 14) 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+) 9PM (Thu 13th Aug)2ft (0.6m) 16s
Best Surf 6PM (Fri 14th Aug)3ft (0.9m) 18s
Most Powerful 9PM (Fri 14th Aug)4.5ft (1.3m) 18s

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


Short Range Forecast

Heavy rain (total 57mm), heaviest during Sat night. Warm (max 29°C on Thu morning, min 24°C on Sat night). Wind will be generally light.

Days 4-6 Weather Summary

Heavy rain (total 23mm), heaviest during Sun night. Warm (max 28°C on Tue morning, min 25°C on Sun morning). Wind will be generally light.

Thursday
13
Friday
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
Wednesday
19
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
1
3
3
2
4
4
3
3
2
3
3
2
0
2
2
1
2
2
1
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
SW
15
0.4
SW
18
0.7
SW
19
1
SW
18
1.1
SW
18
1.3
SW
17
1.3
SW
16
1.3
SW
16
1.3
SW
16
1.1
SW
15
1.1
SW
14
1.1
SW
14
1
SW
14
1
SW
14
0.9
SW
14
0.6
SW
16
0.6
SW
16
0.9
SW
16
0.8
SW
15
0.8
SW
14
0.6
SW
14
Wave Graph
Metric surfscale
Energy kJ
137
111
369
623
686
951
909
803
763
535
528
466
371
371
313
163
151
353
255
251
160
Wind (km/h)
5
N
10
SSW
5
NNE
5
NNW
15
SSW
5
N
5
NW
15
SSE
5
E
15
N
5
SSE
5
S
5
NNE
10
NW
5
NE
0
ENE
15
S
0
N
5
NW
5
SSW
0
ESE
Wind State
cross
cross
cross-off
glassy
cross-on
glassy
glassy
cross-off
glassy
cross
glassy
glassy
glassy
cross-on
cross-off
glassy
cross
glassy
glassy
cross-on
glassy
High Tide
3:08PM2.84m
3:40AM2.89m
3:56PM2.86m
4:24AM2.95m
4:41PM2.81m
5:06AM2.93m
5:24PM2.70m
5:48AM2.84m
6:07PM2.56m
6:28AM2.70m
6:50PM2.38m
7:10AM2.53m
7:35PM2.20m
Low Tide
9:23PM0.01m
9:48AM0.15m
10:08PM0.00m
10:35AM0.13m
10:51PM0.06m
11:20AM0.17m
11:32PM0.17m
12:03PM0.27m
00:13AM0.32m
12:46PM0.40m
00:54AM0.50m
1:31PM0.54m
1:38AM0.67m
part cloud
part cloud
clear
clear
clear
clear
rain showers
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
rain showers
cloud
part cloud
part cloud
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:28
5:28
5:28
5:28
5:28
5:28
5:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:55
5:55
5:55
5:54
5:54
5:53
5:53
 mm
1
6
50
1
3
11
1
4
3
3
15
Temp °C
29
29
28
29
29
28
28
28
26
27
27
25
27
27
26
28
28
27
28
28
27
Feels °C
32
31
33
32
31
33
32
31
28
31
31
30
30
29
29
31
31
32
33
32
32
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
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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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