Surf Forecasts:
How big are the waves at Islita today (17 Oct):
- Morning surf: Morning surf (17 Oct, local time) - 3.5ft (1.1m), 17s period with SW swell.
- Afternoon surf: Afternoon surf (17 Oct, local time) - 4ft (1.2m), 16s period with SW swell.
- Evening surf: Evening surf (17 Oct, local time) - 4ft (1.2m), 16s period with SW swell.
The current surf forecast for Islita at 9AM is: 1.1m 17s primary swell from a Southwest direction and 0.6m 13s secondary swell from a South-southwest direction (forecast issued at 05:00am October 17). The wind direction is predicted to be cross-shore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Oct) | 3.5ft (1.1m) | 17s |
| Afternoon (17 Oct) | 4ft (1.2m) | 16s |
| Evening (17 Oct) | 4ft (1.2m) | 16s |
Table - waves today at Islita. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 28mm), heaviest during Sat morning. Warm (max 29°C on Sat morning, min 26°C on Sat afternoon). Wind will be generally light. | |||||||||||||||||||||||
Saturday 17 | Sunday 18 | Monday 19 | |||||||||||||||||||||
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 | 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 17 | 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 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 600 | 687 | 663 | 1000 | 795 | 786 | 786 | 976 | 952 | 940 | 929 | 929 | 917 | 917 | 906 | 883 | 675 | 649 | 631 | 543 | 543 | 543 | 482 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | off | glassy | cross | glassy | glassy | glassy | glassy | glassy | glassy | on | cross-on | glassy | cross-off |
High Tide | 6:31AM2.16m | 7:08PM1.96m | 7:19AM2.03m | 8:03PM1.88m | 8:16AM1.93m | ||||||||||||||||||
Low Tide | 00:20AM0.68m | 12:55PM0.59m | 1:07AM0.81m | 1:46PM0.71m | 2:05AM0.91m | 2:45PM0.79m | |||||||||||||||||
 |  | | | | |  | | | |  | | | | | | |  | | | | | | |
 | 5:30 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — |
 | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — |
mm | 2 | 2 | 4 | 4 | 3 | 1 | — | — | 1 | 1 | — | — | — | — | — | 1 | 2 | — | — | 1 | 2 | 2 | 2 |
Temp °C | 27 | 27 | 29 | 29 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 28 | 27 | 27 | 26 | 26 | 26 | 28 | 28 | 27 | 27 | 27 |
Feels °C | 32 | 31 | 33 | 32 | 30 | 31 | 30 | 29 | 29 | 29 | 30 | 32 | 32 | 32 | 32 | 31 | 30 | 30 | 33 | 32 | 31 | 32 | 31 |
Swell 1 Height (m) Direction Period (s) | SW 18 | SW 17 | 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 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 |
| kJ | 600 | 687 | 663 | 1000 | 795 | 786 | 786 | 976 | 952 | 940 | 929 | 929 | 917 | 917 | 906 | 883 | 675 | 649 | 631 | 543 | 543 | 543 | 482 |
Swell 2 Height (m) Direction Period (s) | SW 13 | SW 13 | SSW 13 | SSW 6 | SW 12 | SSW 6 | SSW 6 | SSW 6 | S 7 | S 8 | S 8 | SSW 7 | SSW 7 | S 7 | S 7 | S 7 | WNW 11 | WNW 10 | WNW 10 | WNW 9 | S 7 | S 8 | S 8 |
| kJ | 138 | 136 | 109 | 27 | 71 | 42 | 45 | 39 | 45 | 55 | 72 | 73 | 71 | 52 | 52 | 52 | 90 | 80 | 75 | 69 | 40 | 41 | 55 |
Swell 3 Height (m) Direction Period (s) | SSW 6 | SSW 6 | SSW 6 | WNW 12 | WNW 11 | SW 12 | SW 12 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | WNW 12 | W 12 | W 11 | W 11 | WNW 11 | S 7 | S 7 | S 7 | S 7 | WNW 9 | WNW 9 | WNW 11 |
| kJ | 25 | 26 | 27 | 30 | 25 | 71 | 71 | 20 | 19 | 18 | 17 | 49 | 73 | 63 | 88 | 91 | 39 | 39 | 39 | 39 | 47 | 46 | 66 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SSW 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 42 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 0 | 14 | 39 | 74 | 14 | 19 | 14 | 14 | 14 | 0 | 0 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 56 | 19 | 0 | 0 |
Best forecast wave conditions in Guanacaste | |||||||||||||||||||||||
Best forecast wave conditions in Costa Rica | |||||||||||||||||||||||
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