Surf Forecasts:
How big are the waves at Islita today (16 Sep):
- Morning surf: Morning surf (16 Sep, local time) - 3.5ft (1.0m), 16s period with SW swell.
- Afternoon surf: Afternoon surf (16 Sep, local time) - 3.5ft (1.1m), 16s period with SW swell.
- Evening surf: Evening surf (16 Sep, local time) - 3.5ft (1.0m), 15s period with SW swell.
The current surf forecast for Islita at 7AM is: 1.0m 16s primary swell from a Southwest direction and 0.8m 8s secondary swell from a South direction (forecast issued at 11:00pm September 15). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Sep) | 3.5ft (1.0m) | 16s |
| Afternoon (16 Sep) | 3.5ft (1.1m) | 16s |
| Evening (16 Sep) | 3.5ft (1.0m) | 15s |
Table - waves today at Islita. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 8mm), mostly falling on Thu night. Warm (max 31°C on Wed morning, min 25°C on Tue night). Wind will be generally light. | |||||||||||||||||
Wednesday 16 | Thursday 17 | ||||||||||||||||
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 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 |
Wave Graph  | |||||||||||||||||
 kJ | 432 | 427 | 502 | 502 | 502 | 496 | 532 | 429 | 418 | 418 | 412 | 407 | 407 | 407 | 401 | 341 | 293 |
Wind (km/h) | |||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | cross-off | on | on | glassy | glassy | off | off | off | glassy | on | on | cross-on | glassy |
High Tide | 5:44AM2.49m | 6:08PM2.22m | 6:23AM2.33m | 6:51PM2.06m | |||||||||||||
Low Tide | 11:31PM0.36m | 12:02PM0.35m | 00:10AM0.50m | 12:44PM0.49m | |||||||||||||
 |  |  |  |  | |  | | | | | | | | | | | |
 | — | — | 5:31 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 5:40 | — | — | — | — | — | — | — | 5:40 | — | — |
mm | — | 1 | — | — | — | — | 1 | 2 | — | — | — | — | — | — | — | 1 | 3 |
Temp °C | 28 | 26 | 26 | 25 | 29 | 31 | 30 | 27 | 27 | 26 | 26 | 26 | 29 | 30 | 29 | 28 | 27 |
Feels °C | 32 | 30 | 29 | 28 | 33 | 34 | 33 | 32 | 31 | 30 | 29 | 29 | 33 | 32 | 32 | 32 | 31 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 |
| kJ | 432 | 427 | 502 | 502 | 502 | 496 | 532 | 429 | 418 | 418 | 412 | 407 | 407 | 407 | 401 | 341 | 293 |
Swell 2 Height (m) Direction Period (s) | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 10 | S 10 | S 10 | S 9 | S 9 | S 9 | S 9 |
| kJ | 111 | 90 | 89 | 90 | 90 | 68 | 66 | 68 | 46 | 49 | 92 | 90 | 89 | 81 | 76 | 55 | 53 |
Swell 3 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | WSW 6 | SW 11 | S 10 | S 10 | SW 23 | SW 23 | SW 22 | SW 22 | SW 22 | SW 21 | SW 21 |
| kJ | 106 | 100 | 51 | 93 | 95 | 50 | 3 | 19 | 18 | 18 | 84 | 133 | 123 | 119 | 118 | 162 | 160 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 39 | 39 | 0 | 0 | 0 | 0 | 0 | 0 | 64 | 64 | 43 | 0 |
Best forecast wave conditions in Guanacaste | |||||||||||||||||
Best forecast wave conditions in Costa Rica | |||||||||||||||||
Header Global | |||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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