Silveira Surf Forecast

/ Santa Catarina – Sul (37 surf breaks) /

Brazil (447 surf breaks) / Lat Long: (28.05° S 48.61° W)

Surf Forecasts:

Silveira surfForecast / Santa Catarina – Sul / Brazil

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

Forecast update in hr min s Forecast update imminent

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

Today's Silveira sea temperature is 19.2° C
(Which is normal for this time of year)

How big are the waves at Silveira today?

The current surf forecast for Silveira at 12AM is: 1.6m 10s primary swell from a East direction and 0.9m 11s secondary swell from a Southeast direction (forecast issued at 08:00pm September 18). The wind direction is predicted to be cross-shore.

Time (-03) & Date	Wave Height	Wave Period
Morning (19 Sep)	-	-
Afternoon (19 Sep)	-	-
Evening (19 Sep)	5ft (1.6m)	10s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Thu 18		Friday 19								Saturday 20								Sunday 21
	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	6 AM	9 AM	12 PM	3 PM
Rating (10 max)	0	2	2	3	2	0	0	1	0	1	2	2	2	2	1	0	1	1	2	1	1	1	1	2
Swell Height Map See all maps
Wave Height (m) & direction (?)	E	E	E	E	E	E	E	ENE	E	E	E	E	E	E	E	E	ENE	ENE	ENE	ENE	ENE	ENE	NE	ENE
Period(s) (?)	10	10	10	10	9	9	9	9	9	8	8	8	8	8	8	8	9	9	9	9	9	9	9	8
Wave Graph (?)
kJ (?)	514	494	484	474	375	357	351	477	286	277	234	195	195	191	195	200	297	344	359	308	287	243	302	202
Wind (km/h)	NE	NNE	NNE	NNE	N	NNE	NE	NE	NNE	N	N	N	NNW	ENE	ENE	NE	NE	NNE	N	SW	N	NNE	NE	WSW
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- on	cross	cross	cross- off	cross- off	cross	cross	cross	cross	cross- off	cross- off	cross- off	cross- off	glass	cross- on	cross- on	cross	cross	cross- off	cross- off	cross- off	cross	cross	glass
High Tide / height (m)			11:43PM 0.51					2:08PM 0.63				12:06AM 0.59				1:45PM 0.60				12:37AM 0.66				1:36PM 0.60
Low Tide / height (m)		6:55PM 0.33				6:47AM -0.02				7:18PM 0.29				7:24AM -0.03				7:43PM 0.25				7:59AM -0.01

	Thu 18		Friday 19								Saturday 20								Sunday 21
Sunrise	-	-	-	-	-	6:07	-	-	-	-	-	-	-	6:05	-	-	-	-	-	-	-	6:05	-	-
Sunset	6:07	-	-	-	-	-	-	-	6:07	-	-	-	-	-	-	-	6:08	-	-	-	-	-	-	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	1	1	2
Temp. °C	20	19	19	19	19	21	24	23	21	19	19	19	19	23	24	24	21	21	20	19	19	21	22	21
Feels °C (?)	20	19	19	19	19	20	22	21	20	18	19	19	19	24	24	24	21	21	20	19	19	22	21	24

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 Santa Catarina - Sul

Wind Update Continuing clean conditions at Silveira (light winds from the NNW at Florianopolis Airport 43 km from Silveira). 1.7m 10s swell from the E with a 0.7m 12s groundswell from the SE. 2 swells combining to make bigger set waves.
1 hour 49 minutes ago Silveira

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43 km away, 1 h 49 min ago

6 km/h

NNW

0.0

19.2

Air / Water (°C)

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