Islita surfForecast / Guanacaste / Costa Rica

information circle48hr Weather and Surf, issued 11 am Thursday 10 Jul 2025 CST
Forecast update in hr  min  s Forecast update imminent
Islita surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Islita sea temperature is
29.5° C
(Which is 1.2°C warmer than normal for this time of year)


How big are the waves at Islita today?

The current surf forecast for Islita at 6PM is: 0.6m 17s primary swell from a Southwest direction and 0.7m 11s secondary swell from a South-southwest direction, 0.7m 8s secondary swell from a South-southwest direction (forecast issued at 11:00am July 10). The wind direction is predicted to be glassy and the swell rating is 2.

Time (CST) & DateWave HeightWave Period
Morning (10 Jul)3ft (0.9m)12s
Afternoon (10 Jul)3.5ft (1.0m)12s
Evening (10 Jul)2ft (0.6m)16s

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

Updates in  hr  min  s Forecast update imminent
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM
Rating
(10 max)
Swell
Height Map
Wave Height (m) & direction (?)
0.9
SSW
1
SSW
1
SSW
0.6
SW
0.6
SW
0.6
SW
0.6
SW
0.6
SW
0.6
SW
0.6
SW
0.6
SW
0.9
SW
0.9
SSW
0.9
SSW
0.8
SW
0.7
SSW
0.9
SW
1.1
SSW
1.1
SSW
1.1
SSW
0.9
SSW
1
SSW
1
SSW
0.7
SW
0.7
SW
0.7
SSW
0.9
SSW
0.8
SSW
0.6
SW
0.6
SSW
0.6
SSW
1
SSW
1.1
SSW
0.9
SSW
1.2
SSW
1.3
SSW
1.2
SSW
0.9
SSW
1
SSW
1.1
SSW
1.1
SSW
1
SSW
0.9
SSW
0.8
SW
1.1
SSW
1.1
SSW
1.1
SSW
1.1
SSW
1
SSW
1
SSW
1
SSW
1
SSW
1
SSW
1
SSW
1.2
SSW
0.8
SSW
1
SSW
1
SSW
0.9
SSW
0.9
SSW
Period(s) (?)121212171616161616161617171715171616161616151414141414141419191313181316161616161615151717161616161616161616161715151616
Wave
Graph
(?)Metric surfscale
Energy (?)403494554374353347394342420379382521620711697660645698738682601545541471458474465407361531560714798912891974811678667760798799807847898862793811885834816671702755780704749656609707
Wind
(km/h)
0
WNW
10
SSW
10
WSW
5
SW
0
SW
5
NNE
5
NNE
0
N
5
WNW
5
WSW
5
NNW
5
NNW
5
E
15
ESE
10
ESE
5
E
5
NNE
5
WNW
10
WNW
5
WNW
0
WNW
5
SE
10
ENE
5
NNE
5
N
5
W
10
W
5
WSW
5
S
5
ESE
5
ENE
0
NE
0
ESE
5
S
5
SW
5
W
5
NW
5
N
10
N
10
NNE
5
NE
5
S
5
WSW
5
WNW
5
NW
5
NNW
10
N
5
NNE
5
N
5
SW
10
WSW
5
W
5
NNW
5
N
5
NNE
5
NNE
5
NE
5
S
5
NNW
5
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glasscross-
on
cross-
on
glassglassglassglassglassglasscrossglassglassglasscross-
on
cross-
on
glassglassglasscross-
off
cross-
off
glasscross-
on
cross-
off
cross-
off
offglasscrosscrossglassglassglassglassglassglasscross-
on
glassglassoffoffoffglassoncrossglasscross-
off
offoffoffglasscross-
on
crosscrossglassoffoffoffcross-
off
glassglassglass
High Tide
/ height (m)
2:24PM
2.34
3:02AM
2.16
3:06PM
2.40
3:42AM
2.26
3:47PM
2.45
4:22AM
2.36
4:27PM
2.46
5:01AM
2.44
5:09PM
2.44
5:42AM
2.50
5:52PM
2.40
6:24AM
2.54
6:38PM
2.32
7:09AM
2.54
Low Tide
/ height (m)
8:12AM
0.64
8:50PM
0.36
8:56AM
0.57
9:29PM
0.29
9:39AM
0.51
10:07PM
0.24
10:21AM
0.47
10:44PM
0.22
11:04AM
0.44
11:23PM
0.23
11:49AM
0.42
12:03AM
0.26
12:36PM
0.42
12:47AM
0.32
1:27PM
0.44
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Sunrise5:26------5:26-------5:26-------5:26-------5:26-------5:28-------5:28-------5:28----
Sunset---6:06-------6:06-------6:06-------6:06-------6:06-------6:06-------6:06-------6:06
part cloudthunderstorm thunderstorm mod rainthunderstorm part cloudcloudthunderstorm part cloudthunderstorm mod rainthunderstorm cloudthunderstorm thunderstorm thunderstorm thunderstorm thunderstorm cloudcloudcloudthunderstorm thunderstorm light raincloudcloudcloudcloudpart cloudthunderstorm part cloudpart cloudcloudthunderstorm thunderstorm thunderstorm thunderstorm thunderstorm clearclearclearthunderstorm thunderstorm thunderstorm part cloudpart cloudclearclearclearclearthunderstorm thunderstorm part cloudclearclearclearclearclearthunderstorm thunderstorm
Rain (mm)
-1562--1-165-12121---241-----1---34321---132------23------52
Temp. °C272827262626252527282725252525242626262625252424252727262626262627282827262525252728282726252525272928272626252527292827
Feels °C (?)323231303131293032323230292729283030293030292828293131303031313132323231302828283132323130282828313332313130292931333332
  • 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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