Olgas surfForecast / Guanacaste / Costa Rica

information circle12 Day Weather and Surf, issued 5 am Tuesday 08 Jul 2025 CST
Forecast update in hr  min  s Forecast update imminent
Olgas surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Olgas sea temperature is
29.5° C
(Which is 1.2°C warmer than normal for this time of year)


Best Forecast Surf Conditions for Olgas this week:

The surf forecast for Olgas over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Jul 08) at 9AM. The primary swell is predicted to be 0.8m and 13s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Olgas in the next 12 days are 1.3m 16s and forecast to arrive on Tuesday (Jul 15) at 12AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 10s period and expected on Tuesday (Jul 15) at 3AM.

Wave TypeTime (CST) & Date Wave Height & Period
Next good surf (1 star+) 9AM (Tue 8th Jul)2.5ft (0.8m) 13s
Best Surf 3PM (Sat 12th Jul)3ft (0.9m) 16s
Most Powerful12AM (Tue 15th Jul)4.5ft (1.3m) 16s

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

Updates in  hr  min  s Forecast update imminent
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.8
SSW
0.7
SW
0.7
SW
0.7
SW
0.7
SSW
0.6
SSW
0.5
SW
0.6
SW
0.6
SW
0.7
SW
0.8
SW
0.9
SW
0.9
SW
0.9
SW
0.9
SSW
0.7
SW
0.8
SSW
0.5
SSW
0.8
SSW
0.9
SSW
1.3
SSW
0.9
SSW
1.1
SSW
1.2
SSW
1.2
SSW
1.1
SW
1
SSW
0.9
SSW
1
SSW
0.9
SSW
0.9
SSW
0.8
SSW
0.8
SSW
0.7
SSW
0.7
SSW
0.5
SW
Period(s) (?)131313121213171716161616161614141419181716161516161615151514141413131313
Wave
Graph
(?)Metric surfscale
Energy (?)27622625222722529925044430426831055163470345651740644171275610384381016792782729580419461375322258225166182111
Wind
(km/h)
10
ENE
5
SSW
10
NE
5
E
10
SSW
5
NE
5
NNE
5
W
10
NE
10
E
5
S
5
E
5
NE
5
W
5
ENE
5
NE
5
WSW
5
ENE
5
E
10
SSW
10
NE
5
ENE
0
E
10
NE
10
NE
5
SW
10
NE
10
NE
5
SE
10
NE
5
ENE
5
SSW
10
NE
10
E
0
SSW
10
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offglassoffglasscross-
on
cross-
off
cross-
off
glassoffcross-
off
glassoffglassglassoffglassglassoffoffcross-
on
cross-
off
offglassoffcross-
off
cross-
on
cross-
off
offglasscross-
off
offcross-
on
cross-
off
offglasscross-
off
High Tide
/ height (m)
12:52PM
1.92
1:33AM
1.70
1:39PM
1.98
2:18AM
1.78
2:23PM
2.04
3:01AM
1.87
3:05PM
2.09
3:41AM
1.95
3:46PM
2.13
4:21AM
2.04
4:26PM
2.14
5:00AM
2.11
5:08PM
2.12
5:40AM
2.17
5:51PM
2.08
6:23AM
2.20
6:38PM
2.01
7:09AM
2.20
7:29PM
1.94
7:59AM
2.18
8:26PM
1.86
8:56AM
2.14
9:30PM
1.80
Low Tide
/ height (m)
7:24PM
0.46
7:25AM
0.61
8:08PM
0.38
8:11AM
0.55
8:49PM
0.32
8:54AM
0.49
9:28PM
0.26
9:37AM
0.45
10:06PM
0.22
10:20AM
0.41
10:43PM
0.21
11:03AM
0.39
11:22PM
0.21
11:48AM
0.38
12:03AM
0.24
12:36PM
0.38
12:46AM
0.29
1:27PM
0.39
1:35AM
0.35
2:24PM
0.41
2:30AM
0.42
3:26PM
0.42
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunrise5:26--5:26--5:26--5:28--5:28--5:28--5:28--5:28--5:28--5:28--5:28--5:30--
Sunset-6:07--6:07--6:07--6:07--6:07--6:07--6:07--6:07--6:07--6:07--6:07--6:07-
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Rain (mm)
----1-184510221-13--3-14--3--1--53-8-
Temp. °C292926292827282826272625262826272726292826282825282827292926292826292826
Feels °C (?)333329323132323330313129303331313130333230333327323232333430333230333329

Short Range Forecast: Moderate rain (total 14mm), heaviest on Thu afternoon. Warm (max 29°C on Tue morning, min 25°C on Tue night). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 24mm), heaviest during Fri afternoon. Warm (max 28°C on Sat afternoon, min 25°C on Fri afternoon). Wind will be generally light.

Days 6-9 Weather Summary Moderate rain (total 11mm), heaviest on Tue afternoon. Warm (max 29°C on Mon morning, min 24°C on Mon night). Wind will be generally light.

Long Range Forecast: Moderate rain (total 17mm), heaviest on Sat afternoon. Warm (max 29°C on Thu morning, min 25°C on Thu night). Wind will be generally light.

  • 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 Olgas Surf forecast

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

Olgas is 33 km (20 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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