Backdoor Surf Forecast

/ Ericeira (18 surf breaks) /

Portugal (226 surf breaks)

Surf Forecasts:

Backdoor surfForecast / Ericeira / Portugal

48hr Weather and Surf, issued 5 am Wednesday 19 Nov 2025 WET

Forecast 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 18.2° C
(Which is slightly warmer than usual)

How big are the waves at Backdoor today?

The current surf forecast for Backdoor at 10AM is: 1.3m 6s primary swell from a North-northwest direction and 0.6m 12s secondary swell from a West-northwest direction (forecast issued at 05:00am November 19). An open ocean swell of 0.1m 12s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (WET) & Date	Wave Height	Wave Period
Morning (19 Nov)	2ft (0.6m)	12s
Afternoon (19 Nov)	5ft (1.5m)	6s
Evening (19 Nov)	5.5ft (1.7m)	7s

Table - waves today at Backdoor. (Swell directed towards the surf break)

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Wednesday 19							Thursday 20								Friday 21								Sat 22
	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	9 PM	0 AM
Rating (10 max)	0	0	0	0	0	0	0	0	0	0	0	0	0	1	1	2	1	1	1	2	1	2	2	3
Swell Height Map See all maps
Wave Height (m) & direction (?)	NNW	NNW	WNW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	N	N	WNW	WNW	WNW	WNW
Period(s) (?)	7	7	12	6	6	6	7	7	7	7	7	8	8	8	8	8	8	8	8	11	14	14	14	13
Wave Graph (?)
kJ (?)	110	107	111	149	165	194	277	225	186	232	456	636	871	893	1084	1009	792	607	484	734	356	413	407	458
Wind (km/h)	NNW	N	N	N	N	N	NNE	NNE	N	N	N	N	N	N	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NE	ENE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross	cross	cross	cross	cross	cross	cross- off	cross- off	cross- off	cross	cross	cross	cross	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off
High Tide / height (m)	1:42AM 2.69				1:58PM 2.63				2:13AM 2.74				2:32PM 2.62				2:46AM 2.75					3:05PM 2.58
Low Tide / height (m)			7:49AM 0.41				8:00PM 0.40				8:22AM 0.37				8:32PM 0.41				8:56AM 0.37					9:04PM 0.45

	Wednesday 19							Thursday 20								Friday 21								Sat 22
Sunrise	-	-	7:24	-	-	-	-	-	-	-	7:24	-	-	-	-	-	-	-	7:26	-	-	-	-	-
Sunset	-	-	-	-	5:21	-	-	-	-	-	-	-	5:20	-	-	-	-	-	-	-	5:20	-	-	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	15	15	15	16	15	14	14	14	14	13	13	13	13	12	13	13	12	11	11	13	13	12	12	11
Feels °C (?)	11	11	10	10	8	7	8	8	9	7	5	4	4	3	4	5	4	4	4	5	5	6	7	7

Map Icons:
Break
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

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.