Praia Grande Surf Forecast

/ Lisboa (31 surf breaks) /

Portugal (220 surf breaks) / Lat Long: (38.81° N 9.48° W)

Surf Forecasts:

Praia Grande surfForecast / Lisboa / Portugal

48hr Weather and Surf, issued 6 pm Wednesday 20 Aug 2025 WEST

Forecast update in hr min s Forecast update imminent

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

Today's Praia Grande sea temperature is 19.4° C
(Which is 1.3°C colder than average for this time of year)

How big are the waves at Praia Grande today?

The current surf forecast for Praia Grande at 8PM is: 1.4m 6s primary swell from a Northwest direction and 0.1m 16s secondary swell from a Southwest direction, 0.1m 12s secondary swell from a Southwest direction (forecast issued at 06:00pm August 20). The wind direction is predicted to be cross-onshore.

Time (WEST) & Date	Wave Height	Wave Period
Morning (20 Aug)	-	-
Afternoon (20 Aug)	4.5ft (1.4m)	6s
Evening (20 Aug)	4.5ft (1.3m)	6s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Wednesday 20			Thursday 21								Friday 22								Saturday 23
	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	10 AM	1 PM
Rating (10 max)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	NW	NW	NW	NW	NW	NNW	NNW	NNW	NNW	NNW	W	W	NNW	NNW	NNW	WNW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NNW
Period(s) (?)	6	6	6	6	6	6	6	6	6	6	12	12	7	7	7	11	7	7	7	7	7	7	7	7
Wave Graph (?)
Energy (?)	167	177	126	100	108	128	175	264	294	293	378	410	455	433	406	381	353	314	282	283	216	218	224	235
Wind (km/h)	NNW	NNW	NNW	NNW	N	N	N	NNW	NNW	NNW	NNW	NNW	NNW	NNW	N	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NW
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross	cross- on	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross- on	cross- on	cross- on	cross	cross	cross- on	cross- on	cross- on	cross- on
High Tide / height (m)	1:27PM 2.58				2:01AM 2.46				2:17PM 2.77				2:45AM 2.59				2:59PM 2.92				3:24AM 2.69
Low Tide / height (m)			7:52PM 0.42				8:03AM 0.49				8:38PM 0.25				8:45AM 0.34				9:17PM 0.14				9:22AM 0.23

	Wednesday 20			Thursday 21								Friday 22								Saturday 23
Sunrise	-	-	-	-	-	6:56	-	-	-	-	-	-	-	6:56	-	-	-	-	-	-	-	6:58	-	-
Sunset	-	8:25	-	-	-	-	-	-	-	8:24	-	-	-	-	-	-	-	8:22	-	-	-	-	-	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	19	19	19	18	18	18	18	19	19	19	18	18	18	18	19	20	19	19	18	18	18	18	19	20
Feels °C (?)	15	15	16	15	15	14	14	15	15	15	14	14	14	15	18	19	16	17	16	17	18	18	19	20

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 Lisboa

Wind Update The wind is still cross-on at Praia Grande (fresh winds from the NNW at Alvide wx 12 km from Praia Grande). A 1.3m windswell from the NW
54 minutes ago Praia Grande

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Actual: 54 min ago

29 km/h

NNW

Cross-On

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