Siriu Surf Break

Lat Long: 28.00° S 48.63° W

Issued: 2 am 18 Jun 2026 (local time)

Forecast update in  hr  min

Today's Siriu sea temperature is
17.5° C

2.4°C colder than average for this time of year

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


How big are the waves at Siriu today (18 Jun):

  • Morning surf: Morning surf (18 Jun, local time) - 5ft (1.6m), 13s period with S swell.
  • Afternoon surf: Afternoon surf (18 Jun, local time) - 6ft (1.9m), 13s period with SSE swell.
  • Evening surf: Evening surf (18 Jun, local time) - 6ft (1.9m), 13s period with SSE swell.

The current surf forecast for Siriu at 7AM is: 1.6m 13s primary swell from a South direction and 0.2m 10s secondary swell from a East direction (forecast issued at 02:00am June 18). The wind direction is predicted to be offshore and the swell rating is 3.

Time (-03) & DateWave HeightWave Period
Morning (18 Jun)5ft (1.6m)13s
Afternoon (18 Jun)6ft (1.9m)13s
Evening (18 Jun)6ft (1.9m)13s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Some drizzle, heaviest during Fri night. Warm (max 22°C on Fri afternoon, min 13°C on Sat night). Wind will be generally light.

Thursday
18
Friday
19
Saturday
20
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
4
3
3
3
3
2
3
2
2
2
1
1
2
0
2
1
2
2
1
1
1
2
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.2
S
9
1.6
S
13
1.6
S
13
1.6
S
13
1.7
SSE
13
1.9
SSE
13
1.9
SSE
13
1.9
SSE
13
1.9
SSE
13
1.7
SSE
13
1.5
SSE
13
1.4
SSE
13
1.2
SSE
13
1
SSE
12
0.9
SSE
12
0.9
SSE
12
0.8
SSE
12
0.7
SSE
12
1
ENE
7
1
E
7
1
E
7
0.9
ENE
8
0.9
E
8
1.3
S
7
Wave Graph
Metric surfscale
Energy kJ
783
902
875
892
1042
1156
1139
1175
1206
960
744
604
440
334
263
206
186
140
105
103
112
100
93
148
Wind (km/h)
10
WSW
10
WSW
10
WSW
5
WNW
10
NNE
15
NE
15
NNE
15
NNE
20
N
20
N
20
N
20
N
15
N
15
NE
10
NNE
10
N
10
SW
15
SW
15
SSW
20
SSW
15
SSW
15
SW
15
SW
15
SW
Wind State
cross-off
off
off
glassy
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross
cross-on
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
2:38AM0.63m
5:00PM0.58m
8:53PM0.60m
3:18AM0.66m
5:22PM0.52m
10:08PM0.56m
4:03AM0.66m
5:51PM0.49m
Low Tide
11:00AM0.05m
6:20PM0.57m
11:57PM0.53m
11:51AM0.10m
7:02PM0.51m
00:31AM0.53m
12:43PM0.17m
7:51PM0.47m
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
part cloud
cloud
cloud
part cloud
cloud
cloud
cloud
light rain
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:03
7:03
7:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:25
5:25
5:27
 mm
1
Temp °C
12
12
12
14
17
18
16
15
15
16
16
16
20
22
18
18
17
16
15
15
15
14
14
14
Feels °C
9
9
10
13
15
15
14
12
11
13
12
12
17
20
17
17
16
14
12
12
12
11
11
11
Swell 1
Height (m)
Direction
Period (s)
1.4
S
9
1.6
S
13
1.6
S
13
1.6
S
13
1.7
SSE
13
1.9
SSE
13
1.9
SSE
13
1.9
SSE
13
1.9
SSE
13
1.7
SSE
13
1.5
SSE
13
1.4
SSE
13
1.2
SSE
13
1
SSE
12
1.1
ENE
7
1.1
ENE
7
1.1
ENE
7
1.1
ENE
7
1
ENE
7
1
E
7
1
E
7
0.9
ENE
8
0.9
E
8
1
S
7
Energy kJ
291
902
875
892
1042
1156
1139
1175
1206
960
744
604
440
334
113
108
108
111
105
103
112
94
93
102
Swell 2
Height (m)
Direction
Period (s)
1
SSE
14
0.3
E
9
0.2
E
10
0.3
E
10
0.3
E
10
0.3
E
9
0.3
E
9
0.3
E
9
0.3
E
9
0.3
E
9
1.2
ENE
6
0.9
SSE
12
0.9
SSE
12
0.8
SSE
12
0.7
SSE
12
0.6
SSE
11
0.6
SSE
11
0.5
S
11
0.5
S
11
0.5
S
10
0.8
ENE
8
Energy kJ
401
14
8
17
17
16
15
15
14
14
84
263
206
186
140
97
95
61
58
55
77
Swell 3
Height (m)
Direction
Period (s)
0.3
E
9
0.2
E
8
0.2
E
9
0.1
E
11
0.1
E
12
0.7
NE
7
0.5
S
10
Energy kJ
14
5
6
2
3
45
52
Wind waves
Height (m)
Direction
Period (s)
2.2
S
9
0.8
NE
4
0.9
ENE
5
1.6
NE
6
1.2
NE
6
1.3
NE
6
1.2
ENE
7
1.4
NE
7
0.3
SW
2
0.4
SSW
3
0.6
S
4
0.9
S
6
1.1
S
6
1
S
7
1.3
S
7
Energy kJ
783
21
42
159
109
128
120
168
1
3
12
48
100
85
148
Nearest Offshore or Glassy
Rating
(10 max)
4
3
3
3
4
4
4
4
2
2
2
3
2
1
3
2
2
2
1
1
1
2
2
2
Distance (km)
0
0
0
0
9
20
9
9
27
27
27
63
18
16
9
6
0
0
13
21
13
0
0
0
Best forecast wave conditions in Santa Catarina - Sul
Rating
(10 max)
4
4
4
4
4
4
4
4
2
3
3
3
2
2
2
1
2
2
2
2
3
Best forecast wave conditions in Brazil
Rating
(10 max)
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
3
3
2
3
2
3
Header Global
Rating
(10 max)
5
9
9
9
5
5
5
5
6
6
6
6
7
4
4
4
4
4
5
5
9
9
4
9
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
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