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Surf Forecasts
Las Avellanas surf break

Las Avellanas surfForecast / Guanacaste / Costa Rica

information circle48hr Weather and Surf, issued 5 am Friday 20 Jun 2025 CST
Forecast update in hr  min  s Forecast update imminent
Las Avellanas surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Las Avellanas sea temperature is
29.6° C
 (Which is 1.1°C warmer than normal for this time of year)

How big are the waves at Las Avellanas today?

The current surf forecast for Las Avellanas at 10AM is: 0.6m 15s primary swell from a Southwest direction (forecast issued at 05:00am June 20). An open ocean swell of 0.7m 9s is not directed at the surf break, a second open ocean swell of 0.4m 4s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 2.

Time (CST) & DateWave HeightWave Period
Morning (20 Jun)1.5ft (0.5m)15s
Afternoon (20 Jun)2ft (0.6m)15s
Evening (20 Jun)1.5ft (0.5m)15s

Table - waves today at Las Avellanas. (Swell directed towards the surf break)

Hourly12 Days
Guanacaste Surf
Print Surf Table
Updates in  hr  min  s Forecast update imminent 
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM
Rating
(10 max)
2
1
1
2
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
1
2
2
3
3
3
3
3
3
3
3
2
2
2
3
3
3
2
2
2
2
2
2
2
2
3
3
2
3
3
2
3
3
2
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.7
SW
0.5
SW
0.5
SW
0.6
SW
0.6
SW
0.5
SW
0.5
SW
0.5
SW
0.7
SW
0.7
SW
0.7
SW
0.6
SW
0.6
SW
0.5
SW
0.6
SW
0.6
SW
0.6
SW
0.6
SW
0.6
SW
0.6
SW
0.5
SW
1.6
SSW
1.7
SSW
1.7
SSW
1.1
SW
1
SW
1.1
SW
1.5
SW
2
SSW
2.1
SW
2.3
SW
2.2
SW
2.1
SW
1.9
SW
1.9
SSW
1.8
SSW
1.6
SW
1.5
SW
1.6
SW
1.7
SW
1.7
WSW
1.6
SW
1.4
WSW
1.2
WSW
0.6
SW
0.6
SW
0.6
SW
0.6
SW
0.6
SW
0.7
SW
0.8
SW
0.8
SW
0.8
SW
1.5
SSW
1.5
SSW
1.4
SW
0.8
SW
0.8
SW
0.6
SW
0.6
SW
Period(s) (?)141415151515151614141414141414141414141414888777888899888889109109819191818181817171688816161516
Wave
Graph
(?)Metric surfscale
Energy (?)215112194214213195197202190190192167133105168163161159156150122405487499221189224357666698866830768611582538412391464672571540386260361325285253423443565553626507522474535504323308
Wind
(km/h)
15
ENE
15
ENE
20
ENE
5
NE
5
SSW
10
SSE
15
E
15
E
15
ENE
10
ENE
15
ENE
10
ENE
0
SE
10
ESE
10
E
10
E
15
SE
10
ESE
10
SE
10
SE
5
SE
5
E
10
SSE
10
SSE
10
SSE
10
SE
10
ESE
0
E
5
NNE
5
E
5
E
10
ESE
10
SSE
10
E
10
E
5
SSE
10
SE
10
E
10
E
10
E
10
E
10
ESE
10
E
10
ESE
10
E
10
ESE
10
SE
15
SE
15
SE
15
SSE
15
SSE
15
S
15
S
15
SSE
10
ESE
10
ENE
15
ENE
5
ENE
5
NNW
10
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffoffglasscross-
on		cross-
off		offoffoffcross-
off		cross-
off		cross-
off		glasscross-
off		offoffcross-
off		offcross-
off		cross-
off		glassglasscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		glassglassglassoffcross-
off		cross-
off		offoffglasscross-
off		offoffoffoffoffoffcross-
off		offcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		crosscross-
off		offcross-
off		cross-
off		cross-
off		glasscross-
on
High Tide
/ height (m)
9:23AM
2.32
9:53PM
1.99
10:23AM
2.38
11:00PM
2.01
11:25AM
2.44
12:04AM
2.07
12:25PM
2.50
1:05AM
2.16
1:23PM
2.55
2:03AM
2.25
2:19PM
2.59
2:57AM
2.33
3:11PM
2.59
3:48AM
2.38
Low Tide
/ height (m)
2:56AM
0.49
3:51PM
0.50
3:56AM
0.50
4:55PM
0.42
5:00AM
0.47
5:58PM
0.32
6:04AM
0.41
6:57PM
0.21
7:05AM
0.35
7:52PM
0.12
8:03AM
0.28
8:45PM
0.05
8:58AM
0.25
9:35PM
0.03
9:51AM
0.25
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Sunrise-5:22-------5:22-------5:22-------5:22-------5:24-------5:24-------5:24-------5:24--
Sunset-----6:06-------6:06-------6:07-------6:07-------6:07-------6:07-------6:07------
clearclearpart cloudpart cloudthunderstorm thunderstorm clearpart cloudpart cloudpart cloudpart cloudpart cloudthunderstorm thunderstorm part cloudthunderstorm mod rainthunderstorm thunderstorm thunderstorm light rainlight rainlight rainthunderstorm light rainthunderstorm light rainlight rainmod rainlight rainlight rainlight rainlight rainlight rainlight rainlight rainmod rainlight rainlight rainlight rainlight rainlight rainlight raincloudcloudthunderstorm thunderstorm thunderstorm thunderstorm thunderstorm thunderstorm thunderstorm thunderstorm thunderstorm thunderstorm light rainlight rainlight raincloudcloud
Rain (mm)
----22------34-2755441113445611312147122111--1247341132122--
Temp. °C262628303028272625252729292827252524262525252525242424242324242424242424242424242423242626252525242526262625252423232526
Feels °C (?)282829343532302927272932343230272827302929302829272727292728282727272728272727272726272930282828262728282928292725262929
  • 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)
<span class="translation_missing" title="translation missing: en.leaflet.map_placeholder_alt">Map Placeholder Alt</span>

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Las Avellanas surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Las Avellanas at:
surf-forecast.com

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