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Backdoor surfForecast / Ericeira / Portugal
48hr Weather and Surf, issued 11 pm Monday 01 Dec 2025 WETForecast update in hr min s Forecast update imminent
Backdoor surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Backdoor sea temperature is
16.4° C
(Which is slightly cooler than normal)How big are the waves at Backdoor today?
The current surf forecast for Backdoor at 1AM is: 0.9m 10s primary swell from a West-northwest direction and 0.6m 9s secondary swell from a North-northwest direction, 1.0m 5s secondary swell from a West direction (forecast issued at 11:00pm December 01). The wind direction is predicted to be cross-onshore.
| Time (WET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (02 Dec) | 11ft (3.5m) | 14s |
| Afternoon (02 Dec) | 13ft (4.0m) | 14s |
| Evening (02 Dec) | 16ft (5.0m) | 14s |
Table - waves today at Backdoor. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 02 | Wednesday 03 | Thursday 04 | ||||||||||||||||||||||
| 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 10 | 7 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 296 | 190 | 410 | 3031 | 5171 | 5908 | 6641 | 7563 | 9865 | 11774 | 12413 | 12554 | 11876 | 10440 | 9322 | 8757 | 7784 | 6734 | 5363 | 5044 | 4881 | 4445 | 3643 | 3586 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross- on | cross- on | on | on | on | on | cross- on | cross- on | cross- on | cross- on | on |
High Tide / height (m) | 11:45PM 2.62 | 12:04PM 2.76 | 12:36AM 2.82 | 12:58PM 2.89 | 1:24AM 2.99 | 1:49PM 2.96 | ||||||||||||||||||
Low Tide / height (m) | 5:52AM 0.44 | 6:19PM 0.23 | 6:45AM 0.23 | 7:09PM 0.13 | 7:36AM 0.07 | |||||||||||||||||||
Tuesday 02 | Wednesday 03 | Thursday 04 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 7:37 | - | - | - | - | - | - | - | 7:37 | - | - | - | - | - | - | - | 7:39 | - | - | - |
| Sunset | - | - | - | - | - | - | 5:15 | - | - | - | - | - | - | - | 5:15 | - | - | - | - | - | - | - | 5:15 | - |
 |  | |  |  |  | | |  | | |  |  |  | | | | | | | | | | | |
Rain (mm) | - | 2 | 3 | - | - | 1 | 1 | 1 | 5 | 1 | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - |
| Temp. °C | 15 | 15 | 15 | 15 | 14 | 14 | 15 | 14 | 14 | 13 | 14 | 14 | 14 | 15 | 15 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
| Feels °C (?) | 10 | 11 | 8 | 8 | 9 | 8 | 8 | 6 | 4 | 4 | 5 | 7 | 8 | 9 | 10 | 10 | 11 | 10 | 9 | 9 | 9 | 11 | 11 | 12 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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