Rosa Surf Forecast

/ Santa Catarina – Sul (37 surf breaks) /

Brazil (447 surf breaks) / Lat Long: (28.13° S 48.64° W)

Surf Forecasts

Rosa surfForecast / Santa Catarina – Sul / Brazil

48hr Weather and Surf, issued 8 am Sunday 17 Aug 2025 -03

Forecast update in hr min s Forecast update imminent

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

Today's Rosa sea temperature is 15.7° C
(Which is 2.8°C colder than average for this time of year)

How big are the waves at Rosa today?

The current surf forecast for Rosa at 9AM is: 1.2m 12s primary swell from a South direction and 0.2m 8s secondary swell from a East direction, 0.9m 5s secondary swell from a Northeast direction (forecast issued at 08:00am August 17). The wind direction is predicted to be cross-shore.

Time (-03) & Date	Wave Height	Wave Period
Morning (17 Aug)	4ft (1.2m)	12s
Afternoon (17 Aug)	3.5ft (1.1m)	11s
Evening (17 Aug)	3.5ft (1.0m)	11s

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

Hourly 12 Days

Santa Catarina – Sul Surf

Print Surf Table

Updates in hr min s Forecast update imminent

	Sunday 17						Monday 18								Tuesday 19								Wed 20
	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	1	2	2	2	2	2	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	S	S	S	S	S	S	S	S	S	SSE	SSE	SSE	SE	SE	SSE	E	ENE	ENE	ENE	NE	NE	NE	NE	NE
Period(s) (?)	12	12	12	11	11	11	11	11	11	11	11	10	10	10	10	6	6	6	6	6	7	7	7	7
Wave Graph (?)
Energy (?)	510	441	428	368	345	271	252	241	241	251	263	284	302	289	201	306	313	300	230	313	337	317	406	598
Wind (km/h)	N	NNE	NE	NE	NNE	W	WSW	WSW	W	NNE	NE	NE	NE	NNE	NNE	N	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross	cross	cross- on	cross- on	cross- on	off	cross- off	glass	glass	glass	cross- on	cross- on	cross- on	cross- on	cross- on	cross	cross	cross	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on
High Tide / height (m)		7:29AM 0.41		12:41PM 0.62				12:53AM 0.32				1:22PM 0.69				1:11AM 0.34				2:00PM 0.72			9:26PM 0.36	1:05AM 0.37
Low Tide / height (m)	3:07AM 0.26	8:04AM 0.41					9:50PM 0.24		4:25AM 0.19						10:23PM 0.28		5:32AM 0.11					7:39PM 0.35	10:51PM 0.36

	Sunday 17						Monday 18								Tuesday 19								Wed 20
Sunrise	-	6:43	-	-	-	-	-	-	-	6:43	-	-	-	-	-	-	-	6:41	-	-	-	-	-	-
Sunset	-	-	-	5:52	-	-	-	-	-	-	-	5:52	-	-	-	-	-	-	-	5:53	-	-	-	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	15	17	20	20	18	17	16	15	15	16	19	19	17	17	17	17	16	18	20	20	18	18	18	18
Feels °C (?)	13	15	19	19	18	17	16	15	15	16	18	17	15	16	15	16	14	16	16	16	15	16	15	14

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 The wind is still cross-off at Rosa (light winds from the NNW at Florianopolis Airport 52 km from Rosa). 1.4m 12s groundswell from the S to make surfable waves.
2 hours 6 minutes ago Rosa

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