Siriu Surf Forecast

/ Santa Catarina – Sul (37 surf breaks) /

Brazil (447 surf breaks) / Lat Long: (28.00° S 48.63° W)

Surf Forecasts:

Siriu surfForecast / Santa Catarina – Sul / Brazil

48hr Weather and Surf, issued 8 am Tuesday 04 Nov 2025 -03

Forecast update in hr min s Forecast update imminent

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

Today's Siriu sea temperature is 20.4° C
(Which is 1.2°C colder than average for this time of year)

How big are the waves at Siriu today?

The current surf forecast for Siriu at 3PM is: 1.1m 8s primary swell from a East direction and 0.2m 8s secondary swell from a South-southeast direction, 0.5m 3s secondary swell from a Northeast direction (forecast issued at 08:00am November 04). The wind direction is predicted to be cross-onshore.

Time (-03) & Date	Wave Height	Wave Period
Morning (04 Nov)	3.5ft (1.1m)	8s
Afternoon (04 Nov)	3.5ft (1.1m)	8s
Evening (04 Nov)	3.5ft (1.0m)	8s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Tuesday 04						Wednesday 05								Thursday 06								Fri 07
	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)	1	0	0	0	0	1	1	1	2	2	1	1	1	2	2	2	3	2	0	1	1	1	2	1
Swell Height Map See all maps
Wave Height (m) & direction (?)	E	E	E	E	E	E	E	S	SSE	S	SSE	SSE	SSE	SSE	SSE	SSE	S	SSE	SSE	S	S	SSE	SSE	SSE
Period(s) (?)	8	8	8	8	8	8	8	12	15	14	14	13	13	14	13	13	13	13	13	12	12	12	12	12
Wave Graph (?)
kJ (?)	146	146	142	146	149	124	124	153	365	429	401	444	424	492	367	367	339	269	269	948	299	303	220	385
Wind (km/h)	NNW	NE	ENE	ENE	NE	NNE	N	N	N	NNE	SE	S	SSW	SSW	SSW	SW	SW	SSW	S	SSE	SSE	E	NE	NNE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	glass	cross- on	on	cross- on	cross- on	cross	cross	cross	cross- off	cross- on	cross- on	cross	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross	cross- on	cross- on	on	cross- on	cross- on
High Tide / height (m)				1:22PM 0.65				1:29AM 0.81				1:31PM 0.59				2:08AM 0.80				1:41PM 0.55				2:47AM 0.76
Low Tide / height (m)		7:43AM 0.05				7:43PM 0.15				8:32AM 0.14				8:13PM 0.12					9:24AM 0.25			8:42PM 0.10

	Tuesday 04						Wednesday 05								Thursday 06								Fri 07
Sunrise	5:20	-	-	-	-	-	-	-	5:20	-	-	-	-	-	-	-	5:18	-	-	-	-	-	-	-
Sunset	-	-	-	-	6:35	-	-	-	-	-	-	-	6:36	-	-	-	-	-	-	-	6:37	-	-	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	1	1	-	-	-	-	-	-	-	-	-
Temp. °C	19	21	22	23	22	20	20	20	20	25	27	25	21	19	18	18	17	19	20	20	19	19	18	18
Feels °C (?)	21	22	22	22	22	21	21	20	21	27	28	25	19	16	14	16	15	17	17	17	18	18	16	16

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

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