Ilha Surf Forecast

/ São Paulo (84 surf breaks) /

Brazil (447 surf breaks)

Surf Forecasts:

Ilha surfForecast / São Paulo / Brazil

48hr Weather and Surf, issued 8 am Thursday 18 Sep 2025 -03

Forecast update in hr min s Forecast update imminent

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

Today's Ilha sea temperature is 20.9° C
(Which is slightly warmer than usual)

How big are the waves at Ilha today?

The current surf forecast for Ilha at 9AM is: 1.6m 11s primary swell from a Southeast direction (forecast issued at 08:00am September 18). The wind direction is predicted to be cross-shore.

Time (-03) & Date	Wave Height	Wave Period
Morning (18 Sep)	5ft (1.6m)	11s
Afternoon (18 Sep)	4.5ft (1.4m)	10s
Evening (18 Sep)	4ft (1.2m)	11s

Table - waves today at Ilha. (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								Sun 21
	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	3 AM
Rating (10 max)	3	2	1	0	1	2	2	2	1	1	0	0	2	1	0	0	0	0	0	0	0	0	2	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	ESE	ESE	ESE	ESE	ESE	ESE	E	E
Period(s) (?)	11	11	11	10	10	11	10	10	9	8	8	8	8	10	8	8	9	9	9	9	9	9	8	8
Wave Graph (?)
kJ (?)	626	579	558	428	384	326	244	222	141	120	63	95	86	58	78	102	148	180	148	103	101	88	234	195
Wind (km/h)	WNW	WSW	SW	SW	SW	W	W	WSW	W	S	SSE	ESE	SSE	W	WSW	SW	WSW	SSW	SE	E	E	E	NNE	WSW
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- off	cross	cross- on	cross- on	cross	cross- off	cross- off	glass	glass	cross- on	on	cross- on	glass	cross- off	cross	cross	cross	cross- on	on	cross- on	cross	cross- on	glass	cross
High Tide / height (m)				1:49PM 1.12				1:02AM 1.04				1:59PM 1.15				1:28AM 1.17				2:13PM 1.18				1:55AM 1.25
Low Tide / height (m)		6:58AM 0.13				7:31PM 0.42				7:33AM 0.05				7:53PM 0.34				8:03AM 0.01				8:15PM 0.27

	Thursday 18						Friday 19								Saturday 20								Sun 21
Sunrise	5:58	-	-	-	-	-	-	-	5:58	-	-	-	-	-	-	-	5:56	-	-	-	-	-	-	-
Sunset	-	-	-	5:59	-	-	-	-	-	-	-	5:59	-	-	-	-	-	-	-	-	6:00	-	-	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	19	20	21	21	20	20	19	19	19	19	20	21	20	20	20	20	20	20	21	21	22	23	23	21
Feels °C (?)	19	20	20	20	21	21	20	21	21	20	21	21	22	21	21	20	21	20	22	22	23	24	25	21

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 São Paulo

Wind Update Continuing clean conditions at Ilha (calm at Santos wx 11 km from Ilha). A 2.1m groundswell from the SE
43 minutes ago Ilha

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Actual: 43 min ago

0 km/h

Clean

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