Surf Forecasts:
How big are the waves at Backdoor today (24 Aug):
- Morning surf: Morning surf (24 Aug, local time) - 10ft (3.0m), 8s period with WSW swell.
- Afternoon surf: Afternoon surf (24 Aug, local time) - 8ft (2.5m), 8s period with WSW swell.
- Evening surf: Evening surf (24 Aug, local time) - 5.5ft (1.7m), 8s period with W swell.
The current surf forecast for Backdoor at 6PM is: 2.4m 8s primary swell from a West-southwest direction and 2.1m 8s secondary swell from a West direction, 0.3m 8s secondary swell from a North-northwest direction (forecast issued at 12:00pm August 24). The wind direction is predicted to be onshore.
| Time (WEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (24 Aug) | 10ft (3.0m) | 8s |
| Afternoon (24 Aug) | 8ft (2.5m) | 8s |
| Evening (24 Aug) | 5.5ft (1.7m) | 8s |
Table - waves today at Backdoor. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 14mm), heaviest on Wed morning. Warm (max 22°C on Mon morning, min 19°C on Wed night). Winds decreasing (fresh winds from the SW on Mon morning, calm by Mon night). | |||||||||||||||||||||
Mon 24 | Tuesday 25 | Wednesday 26 | |||||||||||||||||||
10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | WSW 8 | WSW 8 | WSW 8 | W 8 | W 8 | W 7 | W 7 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 6 | WNW 6 | WNW 6 | NNW 6 | WSW 5 | W 6 | W 7 | W 8 | W 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1103 | 953 | 730 | 545 | 323 | 315 | 269 | 210 | 173 | 145 | 121 | 102 | 80 | 62 | 60 | 28 | 77 | 146 | 290 | 323 | 341 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | on | on | on | on | glassy | cross | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross | on | on | on | on |
High Tide | 1:28PM2.34m | 1:54AM2.25m | 2:08PM2.54m | 2:30AM2.42m | 2:43PM2.72m | ||||||||||||||||
Low Tide | 7:12AM0.91m | 7:48PM0.74m | 7:53AM0.72m | 8:24PM0.55m | 8:28AM0.54m | 8:57PM0.38m | |||||||||||||||
 |  |  |  |  | | |  | | | | |  | | | | | | | |  | |
 | 6:58 | — | — | — | — | — | 6:58 | — | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — |
 | — | — | — | 8:20 | — | — | — | — | — | — | — | 8:19 | — | — | — | — | — | — | — | 8:17 | — |
mm | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 7 | 1 | — | — | — |
Temp °C | 21 | 22 | 22 | 21 | 21 | 20 | 20 | 20 | 21 | 22 | 22 | 21 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 20 |
Feels °C | 17 | 19 | 20 | 20 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 20 | 20 | 20 | 19 | 17 | 18 | 19 | 19 | 18 |
Swell 1 Height (m) Direction Period (s) | N 8 | N 8 | NNW 8 | W 8 | W 8 | W 7 | W 7 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 6 | WNW 6 | WNW 6 | NNW 6 | NNW 6 | NNW 6 | W 7 | W 8 | W 8 |
| kJ | 5 | 5 | 6 | 545 | 323 | 315 | 269 | 210 | 173 | 145 | 121 | 102 | 80 | 62 | 60 | 26 | 15 | 8 | 290 | 323 | 341 |
Swell 2 Height (m) Direction Period (s) | S 13 | SW 13 | SW 13 | NNW 8 | SSW 6 | SW 12 | SW 12 | SW 12 | N 7 | SW 12 | SW 12 | W 10 | NW 10 | NW 11 | NW 9 | NW 10 | NW 10 | NW 9 | NNW 6 | NNW 6 | SW 11 |
| kJ | 3 | 7 | 6 | 13 | 30 | 6 | 6 | 6 | 1 | 6 | 6 | 2 | 4 | 5 | 3 | 4 | 4 | 3 | 8 | 4 | 5 |
Swell 3 Height (m) Direction Period (s) | — | — | — | SW 13 | N 8 | N 8 | — | — | SW 12 | — | W 10 | SW 12 | SW 12 | W 10 | NW 11 | W 9 | W 9 | W 9 | SW 11 | SW 11 | SW 11 |
| kJ | — | — | — | 6 | 11 | 5 | — | — | 6 | — | 2 | 6 | 6 | 2 | 5 | 2 | 2 | 2 | 5 | 5 | 5 |
Wind waves Height (m) Direction Period (s) | WSW 8 | WSW 8 | WSW 8 | — | — | — | — | — | — | — | — | — | — | — | — | WSW 6 | WSW 5 | W 6 | — | — | — |
| kJ | 1103 | 953 | 730 | — | — | — | — | — | — | — | — | — | — | — | — | 28 | 77 | 146 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 407 | 407 | 407 | 407 | 25 | 25 | 25 | 0 | 1 | 12 | 22 | 25 | 49 | 53 | 4 | 81 | 491 | 532 | 980 | 423 | 49 |
Best forecast wave conditions in Ericeira | |||||||||||||||||||||
Best forecast wave conditions in Portugal | |||||||||||||||||||||
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