Furnas Surf Forecast

/ Ericeira (18 surf breaks) /

Portugal (226 surf breaks)

Surf Forecasts:

Furnas surfForecast / Ericeira / Portugal

48hr Weather and Surf, issued 12 pm Thursday 18 Sep 2025 WEST

Forecast update in hr min s Forecast update imminent

Furnas surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Furnas sea temperature is 18.3° C
(Which is 2.1°C colder than average for this time of year)

How big are the waves at Furnas today?

The current surf forecast for Furnas at 3PM is: 1.4m 11s primary swell from a Northwest direction and 0.5m 8s secondary swell from a North direction (forecast issued at 12:00pm September 18). The wind direction is predicted to be cross-shore.

Time (WEST) & Date	Wave Height	Wave Period
Morning (18 Sep)	4.5ft (1.4m)	12s
Afternoon (18 Sep)	4.5ft (1.4m)	11s
Evening (18 Sep)	4.5ft (1.4m)	11s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Thursday 18					Friday 19								Saturday 20								Sunday 21
	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	4 AM	7 AM
Rating (10 max)	3	1	2	2	1	2	2	2	1	0	0	1	2	0	1	1	1	0	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	NW	NW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	NNW	NW	NW	NW	NW	NW
Period(s) (?)	12	12	11	11	11	11	10	10	10	10	10	10	10	9	9	9	9	9	9	8	8	7	7	7
Wave Graph (?)
kJ (?)	531	558	466	450	433	425	361	308	281	263	281	218	214	197	143	140	137	108	99	239	299	289	240	240
Wind (km/h)	S	NW	NNW	N	N	N	E	SSE	S	SW	SW	W	NW	NW	NNW	N	N	NNW	NNW	N	N	N	N	N
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	glass	cross- on	cross	cross	cross	cross- off	off	cross- off	cross	cross- on	cross- on	on	glass	cross- on	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross
High Tide / height (m)			1:19PM 2.61				1:51AM 2.47				2:02PM 2.78				2:29AM 2.61				2:40PM 2.90				3:02AM 2.72
Low Tide / height (m)	7:07AM 0.67				7:44PM 0.40				7:51AM 0.49				8:22PM 0.26				8:28AM 0.35				8:55PM 0.16

	Thursday 18					Friday 19								Saturday 20								Sunday 21
Sunrise	-	-	-	-	-	-	-	-	7:22	-	-	-	-	-	-	-	7:22	-	-	-	-	-	-	-
Sunset	-	-	-	7:42	-	-	-	-	-	-	-	7:39	-	-	-	-	-	-	-	7:38	-	-	-	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	23	26	25	25	23	23	25	23	23	24	24	22	20	20	19	19	20	21	20	18	17	17	17	17
Feels °C (?)	21	22	22	21	20	20	22	21	21	22	24	23	22	20	19	19	19	19	17	14	12	12	12	13

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Recent Eyeball Surf Reports for Ericeira

Wind Update The wind is still cross-on at Furnas (moderate winds from the NNW at Sintra/Granja 11 km from Furnas). 1.4m 12s groundswell from the WNW to make surfable waves.
2 hours 2 minutes ago Furnas

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2 h 2 min ago

25 km/h

NNW

Cross-On

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