Canal surfForecast / Rio de Janeiro / Brazil

information circle48hr Weather and Surf, issued 2 am Sunday 17 May 2026 -03
Forecast update in hr  min  s Forecast update imminent
Canal surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Canal sea temperature is
23.7° C
(Which is slightly cooler than normal)

How big are the waves at Canal today?

The current surf forecast for Canal at 9AM is: 1.3m 11s primary swell from a South-southwest direction and 0.1m 7s secondary swell from a East direction (forecast issued at 02:00am May 17). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (-03) & DateWave HeightWave Period
Morning (17 May)4.5ft (1.3m)11s
Afternoon (17 May)4.5ft (1.3m)11s
Evening (17 May)4ft (1.2m)11s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 12mm), heaviest on Tue afternoon. Warm (max 25°C on Sun morning, min 20°C on Tue night). Wind will be generally light.

Sunday
17
Monday
18
Tuesday
19
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)
2
2
2
2
1
1
0
2
2
2
2
0
0
0
1
1
0
1
0
0
0
0
0
2
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.4
SSW
11
1.4
SSW
11
1.4
SSW
11
1.3
SSW
11
1.3
S
11
1.3
S
11
1.2
S
11
1.2
S
11
1.1
S
11
1.1
S
10
1
S
10
0.9
S
10
0.9
S
10
0.8
S
10
0.7
S
10
0.7
S
10
0.7
S
10
0.9
SSW
9
0.5
S
14
1.1
SSW
9
1.5
SSW
9
1.9
SSW
8
1.8
SSW
8
1
S
18
Wave Graph
Metric surfscale
Energy kJ
486
486
486
415
403
396
338
332
275
265
212
161
158
122
92
90
88
136
96
203
328
481
423
642
Wind (km/h)
10
NE
5
ENE
10
NE
10
NE
10
ESE
10
ESE
15
W
15
W
10
WNW
10
N
10
NNE
5
WSW
15
SW
15
WSW
5
WNW
0
NNE
5
WSW
10
SW
10
W
20
WSW
25
WSW
25
WSW
20
WSW
20
WSW
cross-off
cross-off
cross-off
cross-off
cross-on
cross-on
cross
cross-off
cross-off
off
off
cross
cross-on
cross
glassy
glassy
cross
cross-on
cross
cross
cross-on
cross-on
cross-on
cross
High Tide
2:20AM0.89m
3:22PM1.10m
2:44AM0.87m
4:10PM1.04m
3:12AM0.87m
5:02PM0.96m
Low Tide
8:56AM0.00m
9:44PM0.30m
9:39AM-0.01m
10:28PM0.40m
10:26AM0.01m
clear
clear
clear
clear
clear
clear
thunderstorm
rain showers
cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
light rain
cloud
cloud
cloud
cloud
light rain
light rain
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:16
6:16
6:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:15
5:15
5:15
1
1
1
2
4
Temp °C
22
21
21
22
25
25
23
22
22
22
22
22
24
24
24
24
22
22
22
22
22
21
21
21
23
23
22
24
27
27
24
23
24
24
24
24
25
25
27
28
25
24
24
22
21
20
20
21
Swell 1
Height (m)
Direction
Period (s)
1.4
SSW
11
1.4
SSW
11
1.4
SSW
11
1.3
SSW
11
1.3
S
11
1.3
S
11
1.2
S
11
1.2
S
11
1.1
S
11
1.1
S
10
1
S
10
0.9
S
10
0.9
S
10
0.8
S
10
0.7
S
10
0.7
S
10
0.7
S
10
0.7
SSW
9
0.6
S
9
0.5
S
13
1.5
SSW
9
0.6
S
13
0.6
S
19
1.6
SSW
8
Energy kJ
486
486
486
415
403
396
338
332
275
265
212
161
158
122
92
90
88
92
63
90
328
117
266
277
Swell 2
Height (m)
Direction
Period (s)
0.1
E
7
0.1
E
7
0.1
E
7
0.1
E
7
0.1
SE
12
0.2
ESE
12
0.3
E
4
0.1
E
12
0.2
E
7
0.2
E
4
0.1
E
7
0.1
S
19
0.2
S
17
0.2
S
16
0.3
S
16
0.4
S
15
0.4
SSW
15
0.5
S
14
0.5
S
14
0.2
S
16
0.5
S
13
0.4
S
20
0.5
S
15
1
S
18
Energy kJ
1
1
1
1
6
14
3
3
4
2
1
7
22
21
45
72
72
107
96
21
89
124
109
642
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
12
0.1
SE
12
0.1
SE
12
0.1
SE
12
0.1
SE
12
0.1
SE
12
0.1
SE
12
0.1
SE
11
0.1
E
7
0.1
S
19
0.1
E
7
0.2
ENE
2
0.2
E
7
0.2
E
7
0.2
E
7
0.2
E
7
0.2
E
7
0.2
E
7
0.2
E
7
0.2
S
16
0.2
E
7
0.4
SSW
12
0.6
S
13
Energy kJ
6
6
6
6
6
6
5
5
1
7
1
1
4
4
4
4
4
4
4
21
4
51
115
Wind waves
Height (m)
Direction
Period (s)
0.2
ENE
7
0.4
NE
3
0.4
ENE
3
0.3
ENE
4
0.2
ENE
4
0.3
NE
2
0.3
SW
3
0.3
SW
2
0.9
SSW
9
0.5
SW
6
1.1
SSW
9
0.6
W
5
1.9
SSW
8
1.8
SSW
8
Energy kJ
5
2
4
3
2
1
1
1
136
18
203
15
481
423
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
2
2
2
2
2
2
2
1
1
1
1
1
1
1
2
2
1
3
2
2
4
Distance (km)
0
0
0
0
12
22
34
0
0
0
0
22
46
28
0
0
12
45
52
66
104
265
189
104
Best forecast wave conditions in Rio de Janeiro
Rating
(10 max)
2
2
2
2
2
2
2
2
2
2
2
1
1
1
1
1
1
2
2
2
3
4
Best forecast wave conditions in Brazil
Rating
(10 max)
2
2
2
2
2
2
2
2
2
2
2
1
2
2
2
2
3
3
3
3
4
4
4
4
Header Global
Rating
(10 max)
4
5
4
4
8
6
4
4
5
7
4
4
5
4
5
5
4
4
4
4
5
5
5
4
  • 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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