Surf Forecast Surf Report
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Las Avellanas surf break
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Las Avellanas location map

Las Avellanas surf Forecast / Guanacaste / Costa Rica

12 Day Weather and Surf, issued 5 am Saturday 18 May 2024 CST
Forecast update in  hr  min  s 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 29.9°C (Statistics for 18 May 1981-2005 - mean: 28.7 °C max: 30.0 °C min: 26.8 °C)
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  • Break
  • 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>
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 29.9°C (Statistics for 18 May 1981-2005 - mean: 28.7 °C max: 30.0 °C min: 26.8 °C)


Best Forecast Surf Conditions for Las Avellanas this week:

The surf forecast for Las Avellanas over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (May 18) at 12PM. The primary swell is predicted to be 0.8m and 20s period with a secondary swell of 0.7m and 13s. The wind is predicted to be cross-shore as the swell arrives.

The most powerful waves expected at Las Avellanas in the next 12 days are 1.5m 17s and forecast to arrive on Tuesday (May 21) at 3AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 7s period and expected on Tuesday (May 21) at 12PM.

Wave TypeTime (CST) & Date Wave Height & Period
Next good surf (1 star+)12PM (Sat 18th May)2.5ft (0.8m) 20s
Best Surf 3AM (Mon 20th May)4.5ft (1.4m) 17s
Most Powerful 3AM (Tue 21st May)5ft (1.5m) 17s

Table - best surf conditions forecast for Las Avellanas over the next 12 days.

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Updates in  hr  min  s Update imminent
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.8
SW
1
SW
1.1
SW
1.2
SW
1.2
SW
1.3
SW
1.3
SW
1.3
SW
1.5
SW
1.4
SW
1.4
SW
1.3
SW
1.1
SW
1.1
SW
0.9
SW
0.9
SW
0.9
SSW
0.9
SW
0.7
SW
0.6
SW
0.6
SW
0.7
WSW
0.6
SW
0.6
WSW
0.5
SW
0.6
SW
0.6
SW
0.6
SW
0.8
SW
0.6
SW
0.9
SSW
0.9
SW
0.8
SW
0.7
SW
0.7
SW
0.7
SSW
Period(s) (?)2016181817171616171716161616151414141314137136181917171716151615151514
Wave
Graph
(?)Metric surfscale
Energy (?)4554776948918619088238861275118510788036286203553013622971801511405110933155296230243362216355349269217217218
Wind
(km/h)
10
NNW
10
W
5
ESE
10
E
10
SW
5
ESE
10
NE
15
SW
10
SE
10
NE
15
SW
10
SE
5
NE
15
SSW
5
SE
0
WNW
10
WSW
0
SSW
5
NNW
15
W
5
SW
5
N
10
WNW
0
ESE
0
W
15
SW
10
SSE
10
NE
15
WSW
5
SSE
5
N
15
W
5
SE
0
ENE
10
SW
10
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crossonglassoffcross-
on
cross-
off
cross-
off
cross-
on
cross-
off
cross-
off
cross-
on
cross-
off
glasscrosscross-
off
glasscross-
on
glassglassonglasscrossonglassglasscross-
on
cross-
off
cross-
off
cross-
on
cross-
off
cross-
off
onglassglasscross-
on
cross-
off
High Tide
/ height (m)
11:05AM
2.00
11:31PM
1.83
11:53AM
2.08
12:23AM
1.89
12:37PM
2.16
1:08AM
1.95
1:18PM
2.24
1:50AM
2.01
1:57PM
2.31
2:30AM
2.07
2:36PM
2.36
3:09AM
2.10
3:14PM
2.39
3:48AM
2.13
3:54PM
2.40
4:28AM
2.14
4:35PM
2.38
5:10AM
2.15
5:18PM
2.34
5:56AM
2.15
6:05PM
2.28
6:46AM
2.17
6:58PM
2.20
Low Tide
/ height (m)
5:29PM
0.74
5:34AM
0.72
6:19PM
0.64
6:21AM
0.68
7:03PM
0.53
7:04AM
0.63
7:44PM
0.43
7:44AM
0.57
8:22PM
0.34
8:23AM
0.51
9:00PM
0.28
9:02AM
0.47
9:38PM
0.24
9:41AM
0.45
10:17PM
0.23
10:22AM
0.45
10:58PM
0.24
11:07AM
0.47
11:41PM
0.27
11:55AM
0.51
12:28AM
0.32
12:50PM
0.56
1:19AM
0.38
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Sunrise5:20--5:20--5:20--5:20--5:20--5:20--5:20--5:20--5:20--5:20--5:20--5:20--
Sunset-5:58--5:58--5:58--5:59--5:59--5:59--5:59--6:00--6:00--6:00--6:00--6:00-
part cloudthunderstorm thunderstorm part cloudthunderstorm clearpart cloudthunderstorm thunderstorm part cloudthunderstorm thunderstorm thunderstorm thunderstorm rain showersthunderstorm thunderstorm thunderstorm thunderstorm clearthunderstorm thunderstorm thunderstorm thunderstorm thunderstorm clearclearpart cloudthunderstorm thunderstorm part cloudclearthunderstorm thunderstorm thunderstorm thunderstorm
Rain (mm)
-23-1--21-241121421-41131---12--61816
Temp. °C312928322928312928303028292928292928302928292928302928302928302928302928
Feels °C (?)353332363231343232343331343131343232333132333232333232333232333132343232

Short Range Forecast: Light rain (total 9mm), mostly falling on Sat afternoon. Warm (max 32°C on Sun morning, min 27°C on Sat night). Wind will be generally light.

Days 3-6 Weather Summary Moderate rain (total 17mm), heaviest on Thu afternoon. Warm (max 30°C on Tue morning, min 27°C on Tue night). Wind will be generally light.

Days 6-9 Weather Summary Moderate rain (total 11mm), heaviest on Fri night. Warm (max 30°C on Fri morning, min 26°C on Sun night). Wind will be generally light.

Long Range Forecast: Heavy rain (total 38mm), heaviest during Wed night. Warm (max 30°C on Mon morning, min 26°C on Mon night). Wind will be generally light.

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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.


Information about the Las Avellanas Surf forecast

The above surf forecast table for Las Avellanas provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Las Avellanas can be found by selecting the local surf guide option on the grey menu. Our Las Avellanas 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 (Las Avellanas) 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 Las Avellanas 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.

Las Avellanas is 45 km (28 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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