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Surf Forecasts:
Backdoor surfForecast / Ericeira / Portugal
48hr Weather and Surf, issued 12 am Thursday 14 May 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
16.5° C
(Which is normal for this time of year)How big are the waves at Backdoor today?
The current surf forecast for Backdoor at 6AM is: 0.9m 6s primary swell from a North-northwest direction and 0.6m 8s secondary swell from a North-northwest direction, 0.4m 5s secondary swell from a Southwest direction (forecast issued at 12:00am May 14). The wind direction is predicted to be cross-shore.
| Time (WEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 May) | 4.5ft (1.4m) | 6s |
| Afternoon (14 May) | 7ft (2.1m) | 7s |
| Evening (14 May) | 8ft (2.5m) | 8s |
Table - waves today at Backdoor. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 16°C on Fri afternoon, min 13°C on Thu night). Winds increasing (light winds from the N on Wed night, strong winds from the N by Thu night). | ||||||||||||||||||||||||
Thursday 14 | Friday 15 | Saturday 16 | ||||||||||||||||||||||
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 | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
NNW 9 | NNW 9 | NNW 6 | NNW 7 | NNW 7 | NNW 8 | NNW 7 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | |
106 | 166 | 57 | 192 | 392 | 526 | 724 | 946 | 1325 | 1442 | 1592 | 1302 | 1003 | 1003 | 1174 | 1317 | 1376 | 1374 | 1256 | 1039 | 885 | 680 | 606 | 537 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | |
High Tide | 1:04AM2.71m | 1:36PM2.72m | 1:52AM2.87m | 2:20PM2.90m | 2:39AM2.98m | 3:04PM3.04m | ||||||||||||||||||
Low Tide | 7:21AM0.27m | 7:41PM0.33m | 8:05AM0.13m | 8:27PM0.15m | 8:50AM0.05m | 9:14PM0.02m | ||||||||||||||||||
 |  |  |  |  | | | | | | | | | | | | | | | | | | | | |
 | — | 6:26 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:42 | — | — | — | — | — | — | — | 8:42 | — | — | — | — | — | — | — | 8:43 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 14 | 14 | 14 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 13 | 15 | 15 | 16 | 15 | 14 | 14 | 14 | 14 | 15 | 15 | 16 | 15 | 14 |
11 | 10 | 9 | 9 | 8 | 7 | 6 | 6 | 6 | 6 | 4 | 7 | 8 | 9 | 8 | 7 | 7 | 7 | 7 | 8 | 8 | 10 | 9 | 8 | |
Swell 1 Height (m) Direction Period (s) | NNW 9 | SW 5 | NNW 8 | WSW 5 | NNW 16 | NNW 15 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | S 12 | S 12 | S 12 | S 12 | — | S 12 | S 12 | W 16 | W 15 | NW 15 |
 kJ | 106 | 7 | 55 | 2 | 26 | 42 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 3 | 3 | 3 | 3 | — | 3 | 3 | 5 | 4 | 8 |
Swell 2 Height (m) Direction Period (s) | WSW 5 | SW 14 | SW 5 | W 11 | W 11 | W 11 | SW 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 12 | S 12 | S 14 |
| kJ | 11 | 7 | 7 | 9 | 9 | 9 | 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 3 | 4 |
Swell 3 Height (m) Direction Period (s) | SSW 14 | W 12 | SW 13 | SW 13 | SW 13 | SW 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 19 | 3 | 7 | 7 | 7 | 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | N 4 | NNW 9 | NNW 6 | NNW 7 | NNW 7 | NNW 8 | NNW 7 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | NNW 9 |
| kJ | 6 | 166 | 57 | 192 | 392 | 526 | 724 | 946 | 1325 | 1442 | 1592 | 1302 | 1003 | 1003 | 1174 | 1317 | 1376 | 1374 | 1256 | 1039 | 885 | 680 | 606 | 537 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 29 | 215 | 131 | 549 | 605 | 974 | 734 | 509 | 734 | 695 | 695 | 234 | 768 | 802 | 583 | 377 | 377 | 362 | 256 | 230 | 230 | 492 | 549 | 325 |
Best forecast wave conditions in Ericeira | ||||||||||||||||||||||||
Best forecast wave conditions in Portugal | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Backdoor surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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