Surf Forecasts:
How big are the waves at Backdoor today (05 Sep):
- Afternoon surf: Afternoon surf (05 Sep, local time) - 3ft (0.9m), 9s period with NW swell.
- Evening surf: Evening surf (05 Sep, local time) - 3.5ft (1.1m), 14s period with NW swell.
The current surf forecast for Backdoor at 9PM is: 1.1m 14s primary swell from a Northwest direction and 0.8m 9s secondary swell from a West-northwest direction (forecast issued at 06:00pm September 05). The wind direction is predicted to be cross-shore.
| Time (WEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 Sep) | - | - |
| Afternoon (05 Sep) | 3ft (0.9m) | 9s |
| Evening (05 Sep) | 3.5ft (1.1m) | 14s |
Table - waves today at Backdoor. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 24°C on Sat afternoon, min 17°C on Mon night). Mainly fresh winds. | |||||||||||||||||||
Sat 5 | Sunday 6 | Monday 7 | |||||||||||||||||
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) | NW 9 | NW 14 | NW 14 | NW 13 | NNW 12 | NNW 12 | NNW 12 | NW 12 | NW 11 | NW 11 | WNW 16 | WNW 14 | WNW 14 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 |
Wave Graph  | |||||||||||||||||||
 kJ | 120 | 305 | 424 | 494 | 513 | 480 | 464 | 386 | 347 | 276 | 554 | 660 | 704 | 732 | 880 | 824 | 713 | 544 | 460 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross-off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 10:33PM2.12m | 11:12AM2.31m | 00:04AM2.23m | 12:30PM2.52m | |||||||||||||||
Low Tide | 4:07PM0.85m | 4:44AM0.93m | 5:46PM0.74m | 6:11AM0.79m | 6:58PM0.51m | ||||||||||||||
 |  |  | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:11 | — | — | — | — | — |
 | — | 8:01 | — | — | — | — | — | — | — | 8:00 | — | — | — | — | — | — | — | 7:59 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 22 | 21 | 21 | 20 | 20 | 22 | 23 | 23 | 21 | 19 | 18 | 18 | 18 | 20 | 22 | 22 | 20 | 18 |
Feels °C | 24 | 21 | 21 | 20 | 20 | 20 | 21 | 21 | 21 | 19 | 17 | 16 | 16 | 16 | 18 | 19 | 20 | 17 | 15 |
Swell 1 Height (m) Direction Period (s) | NW 9 | NW 14 | NW 14 | NW 13 | NNW 12 | NNW 12 | NNW 12 | NW 12 | NW 11 | NW 11 | WNW 16 | WNW 14 | WNW 14 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 |
| kJ | 120 | 305 | 424 | 494 | 513 | 480 | 464 | 386 | 347 | 268 | 554 | 660 | 704 | 732 | 880 | 824 | 713 | 544 | 460 |
Swell 2 Height (m) Direction Period (s) | NW 15 | WNW 9 | WNW 9 | NW 9 | NW 9 | WNW 8 | WNW 9 | WNW 9 | WNW 9 | WNW 16 | NW 11 | NNW 10 | NNW 10 | NW 10 | NNW 10 | — | — | — | — |
| kJ | 115 | 101 | 101 | 155 | 129 | 82 | 94 | 73 | 64 | 276 | 258 | 182 | 122 | 96 | 81 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | SW 12 | SW 12 | NNW 5 | N 10 | SW 12 | SW 12 | SW 12 | W 19 | WNW 18 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | — | — | — | — | — |
| kJ | 6 | 6 | 12 | 2 | 5 | 5 | 5 | 7 | 61 | 44 | 64 | 47 | 47 | 45 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 5 | NNW 5 | — | NNW 5 | N 5 | NNW 4 | NNW 4 | NNW 3 | NNW 4 | NNW 4 | NNW 4 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 10 | NNW 5 | NNW 5 | NNW 5 |
| kJ | 15 | 16 | — | 12 | 13 | 7 | 6 | 6 | 11 | 18 | 29 | 34 | 41 | 42 | 42 | 235 | 45 | 45 | 47 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 25 | 146 | 0 | 25 | 25 | 21 | 25 | 25 | 493 | 29 | 25 | 25 | 25 | 25 | 25 | 29 | 213 | 230 | 29 |
Best forecast wave conditions in Ericeira | |||||||||||||||||||
Best forecast wave conditions in Portugal | |||||||||||||||||||
Header Global | |||||||||||||||||||
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