Guarita surfForecast / Rio Grande Do Sul / Brazil

information circle48hr Weather and Surf, issued 2 pm Monday 18 May 2026 -03
Forecast update in hr  min  s Forecast update imminent
Guarita surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Guarita sea temperature is
19.2° C
(Which is 1.3°C colder than average for this time of year)

How big are the waves at Guarita today?

The current surf forecast for Guarita at 10PM is: 1.4m 8s primary swell from a South direction and 1.2m 8s secondary swell from a South direction, 0.3m 6s secondary swell from a East-southeast direction (forecast issued at 02:00pm May 18). The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (-03) & DateWave HeightWave Period
Morning (18 May)--
Afternoon (18 May)4ft (1.2m)7s
Evening (18 May)5ft (1.5m)8s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Some drizzle, heaviest during Mon afternoon. Very mild (max 19°C on Wed afternoon, min 11°C on Mon night). Wind will be generally light.

Mon
18
Tuesday
19
Wednesday
20
Thu
21
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
12 AM
3 AM
6 AM
9 AM
Rating
(10 max)
1
0
0
2
3
3
4
4
2
3
4
3
3
3
3
3
3
3
4
6
3
4
4
4
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.3
S
7
1.2
S
7
1.1
S
8
1.5
S
8
1.3
SSE
13
1.4
SSE
13
1.8
SSE
17
1.9
SSE
16
1.9
SSE
15
1.8
SSE
14
1.7
SSE
14
1.6
SSE
14
1.4
SSE
13
1.3
SSE
13
1.3
S
13
1.4
S
13
1.5
S
13
1.9
S
13
2.5
S
14
3
S
16
2.4
SSE
16
2.4
SSE
15
2.5
SSE
15
2.5
SSE
14
Wave Graph
Metric surfscale
Energy kJ
158
146
152
287
599
711
1843
1762
1581
1277
1095
861
690
563
547
643
787
1154
2545
3789
2746
2627
2558
2454
Wind (km/h)
20
SW
15
SW
20
SW
15
SW
15
WSW
10
WSW
10
WSW
10
SW
10
S
10
SSE
5
NW
10
NW
5
WNW
10
W
10
W
10
W
15
SW
20
SW
25
SW
20
SW
15
SW
15
WSW
15
SW
15
SW
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-on
cross-on
glassy
off
off
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
1:46PM0.47m
7:07PM0.58m
00:54AM0.43m
7:38AM0.12m
2:21PM0.43m
8:10PM0.60m
1:32AM0.49m
8:29AM0.12m
2:58PM0.39m
9:09PM0.60m
2:14AM0.53m
Low Tide
9:22AM0.03m
3:55PM0.40m
10:36PM0.35m
5:09AM0.02m
10:08AM0.02m
4:39PM0.35m
11:19PM0.42m
5:56AM0.01m
10:57AM0.02m
5:23PM0.29m
00:00AM0.46m
6:42AM0.03m
light rain
light rain
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:58
6:58
6:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:32
5:32
5:31
5:31
1
1
Temp °C
13
14
14
13
12
11
11
12
15
16
15
13
12
12
11
12
17
19
16
13
12
12
13
13
10
11
10
10
9
8
8
10
13
14
14
11
10
10
8
9
13
14
10
8
8
8
10
10
Swell 1
Height (m)
Direction
Period (s)
1.3
S
7
1.2
S
7
1.1
S
8
1.2
S
8
1.3
SSE
13
1.4
SSE
13
1.8
SSE
17
1.9
SSE
16
1.9
SSE
15
1.8
SSE
14
1.7
SSE
14
1.6
SSE
14
1.4
SSE
13
1.3
SSE
13
1.3
S
13
1.4
S
13
1.5
S
13
1.6
S
14
1.8
S
15
2.2
SSE
16
2.4
SSE
16
2.4
SSE
15
2.5
SSE
15
2.5
SSE
14
Energy kJ
158
146
152
187
599
711
1843
1762
1581
1277
1095
861
690
563
547
643
787
1033
1392
2310
2746
2627
2558
2454
Swell 2
Height (m)
Direction
Period (s)
0.3
SSE
13
0.4
SE
5
0.4
ESE
5
0.3
ESE
6
0.3
SSE
20
0.5
SSE
19
0.1
SE
11
0.3
ESE
5
0.3
ESE
5
0.3
ESE
5
0.2
E
7
0.1
E
7
0.2
E
7
0.2
E
7
0.2
E
7
0.1
E
7
Energy kJ
34
7
11
6
76
207
4
5
5
5
4
1
4
4
4
1
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
16
0.3
SSE
12
0.3
SSE
12
0.3
SSE
15
0.3
SSE
20
0.3
ESE
5
0.1
E
8
0.1
NE
7
Energy kJ
10
30
29
44
77
6
1
2
Wind waves
Height (m)
Direction
Period (s)
1.8
SSW
7
1.4
SSW
7
1.4
SSW
8
1.5
S
8
1.3
S
8
0.6
WSW
4
0.9
WSW
5
1.9
S
13
2.5
S
14
3
S
16
Energy kJ
317
188
251
287
212
11
37
1154
2545
3789
Nearest Offshore or Glassy
Rating
(10 max)
3
3
2
3
3
3
4
4
4
4
4
3
3
3
3
3
3
4
5
4
5
4
4
4
Distance (km)
71
21
71
21
0
0
0
0
39
39
0
0
0
0
0
0
0
84
152
142
21
0
0
0
Best forecast wave conditions in Rio Grande Do Sul
Rating
(10 max)
3
3
3
3
3
4
5
4
4
4
4
4
3
3
3
3
3
4
5
5
4
4
Best forecast wave conditions in Brazil
Rating
(10 max)
3
3
2
3
3
4
5
5
5
4
4
4
5
5
5
5
4
4
5
6
9
9
5
5
Header Global
Rating
(10 max)
5
5
4
4
4
4
4
4
5
4
5
5
5
4
5
5
4
5
5
4
4
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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