Surf Forecasts:
How big are the waves at Islita today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 3.5ft (1.1m), 18s period with SW swell.
- Afternoon surf: Afternoon surf (21 Sep, local time) - 3.5ft (1.0m), 17s period with SW swell.
- Evening surf: Evening surf (21 Sep, local time) - 3ft (0.9m), 16s period with SW swell.
The current surf forecast for Islita at 7PM is: 0.9m 17s primary swell from a Southwest direction and 0.8m 7s secondary swell from a South-southwest direction (forecast issued at 11:00am September 21). The wind direction is predicted to be cross-onshore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | 3.5ft (1.1m) | 18s |
| Afternoon (21 Sep) | 3.5ft (1.0m) | 17s |
| Evening (21 Sep) | 3ft (0.9m) | 16s |
Table - waves today at Islita. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 47mm), heaviest during Mon morning. Warm (max 29°C on Tue morning, min 25°C on Mon morning). Wind will be generally light. | |||||||||||||||||||||
Mon 21 | Tuesday 22 | Wednesday 23 | |||||||||||||||||||
9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | SW 18 | SW 18 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 |
Wave Graph  | |||||||||||||||||||||
 kJ | 679 | 679 | 582 | 487 | 448 | 443 | 443 | 504 | 498 | 427 | 421 | 421 | 421 | 480 | 416 | 348 | 339 | 276 | 313 | 305 | 301 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | glassy | glassy | glassy | glassy | cross-on | cross-on | cross | glassy |
High Tide | 10:09AM1.90m | 11:03PM1.81m | 11:18AM1.95m | 00:03AM1.94m | 12:16PM2.04m | ||||||||||||||||
Low Tide | 4:45PM0.81m | 5:06AM0.93m | 5:45PM0.75m | 6:08AM0.82m | 6:34PM0.65m | ||||||||||||||||
 | |  |  |  |  | | | |  | | | | | | |  | | | | | |
 | 5:30 | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — |
 | — | — | 5:37 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:37 | — | — |
mm | 14 | 2 | — | — | — | 1 | 1 | 2 | 1 | — | 3 | 1 | 4 | 1 | 1 | — | — | — | 2 | 2 | 3 |
Temp °C | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 29 | 28 | 26 | 25 | 26 | 26 | 26 | 28 | 29 | 28 | 27 | 27 |
Feels °C | 30 | 31 | 30 | 30 | 30 | 30 | 30 | 30 | 31 | 32 | 32 | 30 | 29 | 32 | 31 | 31 | 33 | 33 | 31 | 31 | 32 |
Swell 1 Height (m) Direction Period (s) | SW 18 | SW 18 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | WSW 7 | SW 15 | SW 15 | SW 15 |
| kJ | 679 | 679 | 582 | 487 | 448 | 443 | 443 | 504 | 498 | 427 | 421 | 421 | 421 | 480 | 416 | 348 | 339 | 74 | 313 | 305 | 301 |
Swell 2 Height (m) Direction Period (s) | S 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 7 | SW 7 | SW 15 | WSW 7 | WSW 7 | WSW 7 |
| kJ | 61 | 63 | 65 | 63 | 63 | 62 | 45 | 44 | 41 | 44 | 42 | 35 | 36 | 46 | 49 | 63 | 44 | 276 | 72 | 48 | 47 |
Swell 3 Height (m) Direction Period (s) | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SW 11 | S 8 | S 7 | S 8 | S 8 | S 8 | S 7 | S 7 | S 7 | S 7 | S 7 |
| kJ | 60 | 59 | 59 | 58 | 58 | 47 | 47 | 46 | 46 | 46 | 29 | 19 | 27 | 28 | 28 | 28 | 25 | 25 | 25 | 25 | 27 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 14 | 30 | 14 | 14 | 14 | 30 | 33 | 184 | 64 | 70 | 0 | 0 | 0 | 0 | 64 | 57 | 64 | 0 |
Best forecast wave conditions in Guanacaste | |||||||||||||||||||||
Best forecast wave conditions in Costa Rica | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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 Islita 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.
Nearest