Surf Forecasts:
How big are the waves at Backwash today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 2.5ft (0.8m), 18s period with SW swell.
- Afternoon surf: Afternoon surf (21 Sep, local time) - 2.5ft (0.7m), 18s period with SW swell.
- Evening surf: Evening surf (21 Sep, local time) - 2ft (0.6m), 16s period with SW swell.
The current surf forecast for Backwash at 12PM is: 0.8m 18s primary swell from a Southwest direction and 0.9m 7s secondary swell from a South-southwest direction (forecast issued at 05:00am September 21). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | 2.5ft (0.8m) | 18s |
| Afternoon (21 Sep) | 2.5ft (0.7m) | 18s |
| Evening (21 Sep) | 2ft (0.6m) | 16s |
Table - waves today at Backwash. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 45mm), heaviest during Wed night. Warm (max 28°C on Tue morning, min 24°C on Wed night). Wind will be generally light. | |||||||||||||||||||||||
Monday 21 | Tuesday 22 | Wednesday 23 | |||||||||||||||||||||
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 18 | SW 18 | SW 18 | SW 18 | 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 14 | SW 15 | SW 15 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 249 | 370 | 370 | 370 | 300 | 232 | 214 | 208 | 211 | 314 | 314 | 310 | 203 | 201 | 201 | 245 | 245 | 239 | 191 | 106 | 103 | 174 | 209 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | glassy | cross-off | off | off | off | off | off | off | glassy | cross | cross-off | cross-off | off | off | off | off | glassy | cross-off | cross-off | cross-off | glassy |
High Tide | 10:16AM2.16m | 11:14PM2.12m | 11:28AM2.23m | 00:12AM2.28m | 12:24PM2.36m | ||||||||||||||||||
Low Tide | 4:03AM1.17m | 4:51PM0.97m | 5:19AM1.10m | 5:52PM0.88m | 6:18AM0.96m | 6:40PM0.75m | |||||||||||||||||
 |  | | | | | |  |  |  | | | | | | | | |  | |  | |  | |
 | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — |
 | — | — | — | — | 5:29 | — | — | — | — | — | — | — | 5:29 | — | — | — | — | — | — | — | 5:28 | — | — |
mm | — | 1 | 5 | 5 | 1 | — | — | 1 | — | — | — | — | 1 | 2 | 1 | — | — | — | — | — | — | 3 | 9 |
Temp °C | 26 | 26 | 27 | 27 | 27 | 26 | 26 | 26 | 25 | 26 | 27 | 28 | 28 | 27 | 26 | 26 | 25 | 26 | 27 | 28 | 28 | 27 | 25 |
Feels °C | 30 | 30 | 32 | 30 | 30 | 30 | 30 | 30 | 28 | 30 | 32 | 31 | 31 | 31 | 29 | 30 | 28 | 30 | 32 | 32 | 31 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SW 6 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | W 8 | W 7 |
| kJ | 73 | 73 | 70 | 68 | 66 | 52 | 51 | 49 | 37 | 314 | 314 | 310 | 203 | 201 | 201 | 245 | 245 | 58 | 60 | 62 | 65 | 72 | 70 |
Swell 2 Height (m) Direction Period (s) | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 17 | SW 16 | SW 16 | SW 16 | S 7 | SW 6 | S 8 | S 8 | S 8 | S 7 | S 7 | WSW 6 | SW 16 | SW 15 | S 7 | S 7 | SW 15 | SW 15 |
| kJ | 249 | 370 | 370 | 370 | 300 | 232 | 214 | 208 | 211 | 24 | 34 | 32 | 32 | 30 | 28 | 35 | 31 | 239 | 191 | 27 | 38 | 174 | 209 |
Swell 3 Height (m) Direction Period (s) | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SW 11 | SW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | WSW 5 | WSW 6 | WSW 6 | S 7 | S 7 | S 7 | SW 15 | SW 14 | S 6 | S 6 |
| kJ | 90 | 85 | 82 | 81 | 81 | 47 | 47 | 59 | 59 | 47 | 47 | 46 | 45 | 11 | 12 | 18 | 34 | 35 | 22 | 106 | 103 | 30 | 22 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | WSW 5 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 11 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 245 | 0 | 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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