Surf Forecasts:
How big are the waves at Backdoor today (02 Sep):
- Afternoon surf: Afternoon surf (02 Sep, local time) - 3.5ft (1.1m), 7s period with NNW swell.
- Evening surf: Evening surf (02 Sep, local time) - 3.5ft (1.0m), 6s period with NNW swell.
The current surf forecast for Backdoor at 9PM is: 1.0m 6s primary swell from a North-northwest direction and 0.5m 8s secondary swell from a Northwest direction, 0.3m 8s secondary swell from a North-northwest direction (forecast issued at 06:00pm September 02). The wind direction is predicted to be cross-shore.
| Time (WEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (02 Sep) | - | - |
| Afternoon (02 Sep) | 3.5ft (1.1m) | 7s |
| Evening (02 Sep) | 3.5ft (1.0m) | 6s |
Table - waves today at Backdoor. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 33°C on Thu morning, min 19°C on Wed night). Wind will be generally light. | |||||||||||||||||||
Wed 2 | Thursday 3 | Friday 4 | |||||||||||||||||
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) | NNW 6 | NNW 7 | NNW 6 | NNW 6 | NNW 6 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 6 | WNW 9 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 9 |
Wave Graph  | |||||||||||||||||||
 kJ | 101 | 132 | 82 | 82 | 68 | 102 | 85 | 79 | 62 | 53 | 65 | 65 | 62 | 61 | 59 | 59 | 59 | 59 | 103 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross | cross | cross-off | cross-off | cross | glassy | cross | glassy | cross-off | cross-off |
High Tide | 6:46PM2.61m | 7:12AM2.51m | 7:40PM2.39m | 8:13AM2.35m | 8:55PM2.19m | ||||||||||||||
Low Tide | 00:55AM0.50m | 1:22PM0.60m | 1:49AM0.71m | 2:31PM0.77m | |||||||||||||||
 | |  | | | | | |  | | | |  |  | |  | | | | |
 | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — |
 | — | 8:07 | — | — | — | — | — | — | — | 8:05 | — | — | — | — | — | — | — | 8:04 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 20 | 19 | 20 | 21 | 21 | 26 | 33 | 32 | 29 | 26 | 28 | 28 | 26 | 27 | 28 | 26 | 28 | 32 |
Feels °C | 19 | 18 | 16 | 18 | 19 | 19 | 24 | 31 | 30 | 27 | 24 | 26 | 26 | 25 | 26 | 26 | 26 | 26 | 29 |
Swell 1 Height (m) Direction Period (s) | NW 8 | NW 8 | NW 8 | NW 8 | NNW 6 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | WNW 8 | NNW 6 | NNW 6 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 9 |
| kJ | 40 | 29 | 28 | 20 | 68 | 102 | 85 | 79 | 62 | 47 | 39 | 35 | 62 | 61 | 59 | 59 | 59 | 59 | 103 |
Swell 2 Height (m) Direction Period (s) | SSW 16 | SSW 16 | NNW 8 | NNW 8 | NW 7 | NW 9 | NW 9 | WNW 9 | WNW 8 | SSW 14 | WNW 9 | WNW 9 | NNW 6 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NW 10 | SW 13 |
| kJ | 24 | 24 | 11 | 11 | 18 | 13 | 20 | 30 | 47 | 20 | 65 | 65 | 24 | 15 | 15 | 8 | 8 | 25 | 7 |
Swell 3 Height (m) Direction Period (s) | — | W 11 | SSW 16 | SSW 15 | WNW 9 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | NW 10 | NW 10 | NW 10 | SW 13 | N 12 |
| kJ | — | 2 | 24 | 22 | 8 | 20 | 20 | 20 | 20 | 20 | 20 | 19 | 18 | 17 | 16 | 16 | 25 | 7 | 3 |
Wind waves Height (m) Direction Period (s) | NNW 6 | NNW 7 | NNW 6 | NNW 6 | — | — | — | — | — | NNW 6 | — | — | — | — | — | — | — | NNW 5 | N 6 |
| kJ | 101 | 132 | 82 | 82 | — | — | — | — | — | 53 | — | — | — | — | — | — | — | 10 | 15 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 25 | 25 | 26 | 26 | 26 | 26 | 0 | 0 | 0 | 0 | 26 | 45 | 21 | 0 | 0 | 0 | 0 | 0 | 21 |
Best forecast wave conditions in Ericeira | |||||||||||||||||||
Best forecast wave conditions in Portugal | |||||||||||||||||||
Header Global | |||||||||||||||||||
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