Surf Forecasts:
How big are the waves at Backwash today (31 Aug):
- Afternoon surf: Afternoon surf (31 Aug, local time) - 3.5ft (1.1m), 14s period with SW swell.
- Evening surf: Evening surf (31 Aug, local time) - 3.5ft (1.1m), 14s period with SW swell.
The current surf forecast for Backwash at 12AM is: 1.0m 14s primary swell from a Southwest direction and 0.5m 6s secondary swell from a South direction (forecast issued at 05:00pm August 30). The wind direction is predicted to be offshore and the swell rating is 2.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Aug) | - | - |
| Afternoon (31 Aug) | 3.5ft (1.1m) | 14s |
| Evening (31 Aug) | 3.5ft (1.1m) | 14s |
Table - waves today at Backwash. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 37mm), heaviest during Sun afternoon. Warm (max 29°C on Sun afternoon, min 25°C on Mon night). Wind will be generally light. | |||||||||||||||||||
Sun 30 | Monday 31 | Tuesday 1 | |||||||||||||||||
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 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SW 13 | SW 12 | SW 12 | SSW 12 | SW 12 | SW 12 | SSW 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 521 | 514 | 507 | 368 | 357 | 352 | 347 | 347 | 304 | 304 | 299 | 295 | 238 | 227 | 220 | 260 | 216 | 216 | 187 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | off | off | off | off | glassy | cross | cross | cross-off | glassy | glassy | glassy | off | glassy | cross-off | cross-off | off | cross-off |
High Tide | 4:11PM2.88m | 4:29AM3.06m | 4:48PM2.86m | 5:05AM3.06m | 5:27PM2.79m | ||||||||||||||
Low Tide | 10:16PM0.28m | 10:42AM0.28m | 10:51PM0.30m | 11:20AM0.28m | |||||||||||||||
 |  |  |  |  | | | | | | | | |  | | | | | | |
 | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — |
 | 5:42 | — | — | — | — | — | — | — | 5:40 | — | — | — | — | — | — | — | 5:40 | — | — |
mm | 3 | 7 | 3 | — | — | 1 | 1 | 1 | 1 | 5 | 3 | 1 | — | — | — | 1 | 2 | 4 | 3 |
Temp °C | 29 | 27 | 26 | 26 | 26 | 26 | 27 | 28 | 28 | 27 | 26 | 26 | 25 | 25 | 27 | 27 | 27 | 26 | 26 |
Feels °C | 33 | 32 | 30 | 30 | 30 | 30 | 33 | 32 | 32 | 31 | 31 | 31 | 29 | 29 | 31 | 31 | 30 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SW 13 | SW 12 | SW 12 | SSW 12 | SSW 6 | SW 12 | SSW 12 |
| kJ | 521 | 514 | 507 | 368 | 357 | 352 | 347 | 347 | 304 | 304 | 299 | 295 | 238 | 227 | 220 | 260 | 56 | 216 | 187 |
Swell 2 Height (m) Direction Period (s) | S 6 | SSW 6 | SSW 6 | S 6 | S 6 | S 6 | S 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SW 12 | SSW 6 | SSW 6 |
| kJ | 20 | 12 | 12 | 18 | 18 | 18 | 18 | 26 | 29 | 41 | 41 | 53 | 53 | 55 | 55 | 58 | 216 | 55 | 37 |
Swell 3 Height (m) Direction Period (s) | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 5 | SW 20 | SW 20 | W 8 | W 8 | W 10 | SSW 19 | SSW 19 | SW 18 | SW 18 | SW 18 | SW 18 | WSW 5 |
| kJ | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 15 | 15 | 5 | 5 | 8 | 37 | 35 | 84 | 84 | 83 | 81 | 9 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 98 | 0 | 0 | 0 | 0 | 0 | 0 | 33 | 110 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Golfo Dulce | |||||||||||||||||||
Best forecast wave conditions in Costa Rica | |||||||||||||||||||
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