Surf Forecasts:
How big are the waves at Tamarindo today (18 Sep):
- Morning surf: Morning surf (18 Sep, local time) - 3ft (0.9m), 13s period with SW swell.
- Afternoon surf: Afternoon surf (18 Sep, local time) - 2ft (0.6m), 20s period with SW swell.
- Evening surf: Evening surf (18 Sep, local time) - 2ft (0.6m), 20s period with SW swell.
The current surf forecast for Tamarindo at 4AM is: 0.9m 13s primary swell from a Southwest direction (forecast issued at 11:00pm September 17). An open ocean swell of 0.6m 9s is not directed at the surf break, a second open ocean swell of 0.4m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 3ft (0.9m) | 13s |
| Afternoon (18 Sep) | 2ft (0.6m) | 20s |
| Evening (18 Sep) | 2ft (0.6m) | 20s |
Table - waves today at Tamarindo. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 24mm), heaviest during Sat night. Warm (max 32°C on Fri morning, min 25°C on Thu night). Wind will be generally light. | |||||||||||||||||
Friday 18 | Saturday 19 | ||||||||||||||||
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 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 20 | SW 20 | SW 20 | SW 19 | SW 19 | SW 19 | SW 19 | SW 18 | SW 13 | SW 18 | SW 21 |
Wave Graph  | |||||||||||||||||
 kJ | 390 | 317 | 261 | 253 | 249 | 249 | 239 | 239 | 239 | 236 | 236 | 231 | 222 | 260 | 167 | 197 | 277 |
Wind (km/h) | |||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | cross-off | glassy | cross-on | cross | cross-off | off | glassy | off | cross-off | on | cross-on | cross | cross-off |
High Tide | 7:07AM2.09m | 7:39PM1.83m | 7:57AM1.96m | 8:37PM1.73m | |||||||||||||
Low Tide | 00:52AM0.61m | 1:32PM0.60m | 1:39AM0.75m | 2:27PM0.72m | |||||||||||||
 | |  |  | |  | | | | | |  | | | |  |  | |
 | — | — | 5:31 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 5:42 | — | — | — | — | — | — | — | 5:40 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 |
Temp °C | 27 | 26 | 26 | 25 | 30 | 32 | 29 | 28 | 28 | 27 | 26 | 26 | 30 | 30 | 30 | 29 | 27 |
Feels °C | 30 | 29 | 28 | 27 | 31 | 36 | 31 | 31 | 32 | 31 | 30 | 29 | 34 | 31 | 32 | 31 | 31 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | S 7 |
| kJ | 390 | 317 | 261 | 253 | 249 | 249 | 205 | 205 | 205 | 205 | 202 | 172 | 170 | 170 | 167 | 159 | 50 |
Swell 2 Height (m) Direction Period (s) | S 9 | S 9 | S 9 | S 8 | S 8 | S 8 | S 9 | SW 20 | SW 20 | SW 19 | SW 19 | SW 19 | S 8 | S 8 | S 8 | S 7 | SW 12 |
| kJ | 55 | 53 | 52 | 51 | 51 | 51 | 36 | 239 | 239 | 236 | 236 | 231 | 49 | 45 | 57 | 51 | 152 |
Swell 3 Height (m) Direction Period (s) | SW 21 | SW 21 | SW 21 | SW 21 | SW 20 | SW 20 | SW 20 | S 9 | S 9 | S 9 | S 9 | S 9 | SW 19 | SW 18 | SW 18 | SW 18 | SW 21 |
| kJ | 160 | 220 | 218 | 212 | 198 | 190 | 239 | 36 | 38 | 38 | 38 | 37 | 222 | 260 | 154 | 197 | 277 |
Wind waves Height (m) Direction Period (s) | — | N 5 | N 5 | NNE 5 | NNE 5 | — | WSW 6 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 7 | 7 | 4 | 4 | — | 3 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 12 | 0 | 8 | 8 | 0 | 0 | 0 | 0 | 0 | 8 | 16 | 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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