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Surf Forecasts:
Backdoor surfForecast / Ericeira / Portugal
48hr Weather and Surf, issued 6 am Tuesday 31 Mar 2026 WESTForecast 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
15.1° C
(Which is normal for this time of year)How big are the waves at Backdoor today?
The current surf forecast for Backdoor at 1PM is: 1.4m 18s primary swell from a Northwest direction and 1.5m 9s secondary swell from a North-northwest direction (forecast issued at 06:00am March 31). The wind direction is predicted to be cross-shore.
| Time (WEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Mar) | 4.5ft (1.4m) | 19s |
| Afternoon (31 Mar) | 6ft (1.9m) | 17s |
| Evening (31 Mar) | 6ft (1.9m) | 16s |
Table - waves today at Backdoor. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 31 | Wednesday 01 | Thursday 02 | Fri 03 | |||||||||||||||||||||
| 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 | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 15 | 19 | 19 | 18 | 17 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 9 | 9 | 9 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1048 | 887 | 1386 | 1243 | 2117 | 1901 | 1809 | 1572 | 1432 | 1374 | 1139 | 917 | 839 | 732 | 643 | 520 | 520 | 411 | 673 | 784 | 682 | 603 | 511 | 438 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | glass | cross | cross | cross | cross- off | cross- off | cross- off | off | off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide / height (m) | 2:25AM 2.91 | 2:50PM 2.75 | 3:02AM 2.98 | 3:24PM 2.84 | 3:36AM 3.00 | 3:55PM 2.89 | ||||||||||||||||||
Low Tide / height (m) | 8:43AM 0.17 | 8:51PM 0.26 | 9:15AM 0.11 | 9:25PM 0.18 | 9:46AM 0.10 | 9:58PM 0.16 | ||||||||||||||||||
Tuesday 31 | Wednesday 01 | Thursday 02 | Fri 03 | |||||||||||||||||||||
| Sunrise | - | - | 7:24 | - | - | - | - | - | - | - | 7:22 | - | - | - | - | - | - | - | 7:20 | - | - | - | - | - |
| Sunset | - | - | - | - | - | 7:59 | - | - | - | - | - | - | - | 8:00 | - | - | - | - | - | - | - | 8:00 | - | - |
 | |  | | | | | | | | | | | | |  |  | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 16 | 16 | 16 | 16 | 18 | 15 | 16 | 18 | 17 | 14 | 15 | 17 | 16 | 14 | 13 | 13 | 13 | 11 | 13 | 14 | 14 | 13 | 12 | 12 |
| Feels °C (?) | 12 | 14 | 14 | 13 | 13 | 11 | 12 | 15 | 14 | 9 | 10 | 13 | 13 | 10 | 9 | 10 | 11 | 7 | 9 | 8 | 8 | 7 | 7 | 8 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
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