Snow-ForecastSnow-ForecastMountain-ForecastMountain-ForecastTide-ForecastTide-ForecastWeather-ForecastWeather-Forecast
Search by country, region, or break
Search by country, region, or break

Quick Links

Surf Forecasts:

Guarita surfForecast / Rio Grande Do Sul / Brazil

information circle48hr Weather and Surf, issued 8 am Wednesday 18 Mar 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
25.2° C
 (Which is normal for this time of year)

How big are the waves at Guarita today?

The current surf forecast for Guarita at 2PM is: 1.3m 10s primary swell from a East-southeast direction and 0.5m 6s secondary swell from a East-northeast direction, 0.9m 6s secondary swell from a Northeast direction (forecast issued at 08:00am March 18). The wind direction is predicted to be onshore.

Time (-03) & DateWave HeightWave Period
Morning (18 Mar)4ft (1.2m)10s
Afternoon (18 Mar)4.5ft (1.3m)10s
Evening (18 Mar)4ft (1.2m)10s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Wednesday
18
Thursday
19
Friday
20
Sat
21
6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM
Rating
(10 max)
2
2
1
1
0
1
1
2
2
2
0
0
0
0
0
1
1
0
0
0
0
0
0
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.2
ESE
1.2
ESE
1.2
ESE
1.3
ESE
1.2
ESE
1.2
ESE
1.2
ESE
1.2
ESE
1.2
ESE
1.1
SE
1.2
ESE
1.2
ESE
1.2
ESE
1.2
ESE
1.2
ESE
1.1
ESE
1.1
ESE
1
ESE
1
ESE
1
ESE
1
ESE
0.9
ESE
1
ESE
0.8
ESE
Period(s) (?)1110101010101010101010101099999999999
Wave
Graph
(?)Metric surfscale
Energy kJ (?)300288288327277272267267261225256269258253248212212176176172172145172106
Wind
(km/h)
10
N
10
N
10
ESE
10
E
10
NE
10
NNE
10
NNE
5
N
5
NW
5
SSE
10
E
15
E
15
ENE
15
ENE
15
ENE
15
NE
10
NE
10
NE
15
ENE
20
ENE
15
ENE
15
NE
15
NNE
15
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		ononcross-
on		crosscrosscross-
off		glassglassoncross-
on		cross-
on		cross-
on		cross-
on		crosscrosscrosscross-
on		cross-
on		cross-
on		crosscrosscross-
off
High Tide
/ height (m)
12:28PM
0.50
2:03AM
0.43
4:30AM
0.44
12:55PM
0.54
1:37AM
0.40
5:55AM
0.35
1:28PM
0.57
1:48AM
0.40
Low Tide
/ height (m)
8:14AM
0.20
8:27PM
-0.08
2:48AM
0.43
8:47AM
0.19
9:11PM
-0.03
4:13AM
0.33
9:22AM
0.18
9:56PM
0.05
Wednesday
18
Thursday
19
Friday
20
Sat
21
Sunrise-6:20-------6:20-------6:22------
Sunset----6:32-------6:31-------6:30---
part cloud
part cloud
clear
thunderstorm
thunderstorm
part cloud
cloud
cloud
part cloud
thunderstorm
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
Rain (mm)
---11----1-1211---------
Temp. °C222326252524232323242525242323232323242423232221
Feels °C (?)242629282827262627282727262424252525252423232222
  • 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

Latest Updates

Surf-Forecast Premium Launches 16-day Forecast and New, Improved Modelling
Ben Mondy

Surf-Forecast Premium Launches 16-day Forecast and New, Improved Modelling

Get 16% off your subscription with code 16DAYS—available for 16 days only, until March 25, 2026. Surf-Forecast Premium just got better. All paid subscribers will now see a full 16-day forecast, surf reports and wind and tide data for over 7,000 of the world's best surf spots. Premium members will also have access to a new high-resolution forecast model, which enhances our current forecasts by making them quicker and more accurate. That’s more lead time. More confidence. More chances to score g

Save Up to 20% on SIXT Rental Cars Worldwide – Exclusive Surf-Forecast Deal
travel
Surf Forecast

Save Up to 20% on SIXT Rental Cars Worldwide – Exclusive Surf-Forecast Deal

Surf road trips just got even better. Surf-Forecast users can now save up to 20% on SIXT rental cars worldwide during the promotional period until March 31, 2026. Whether you’re planning a legendary California road trip, chasing waves along Europe’s coasts, or exploring remote surf destinations, this exclusive SIXT offer helps you travel smarter and cheaper. And if you want some inspiration on where to go, check out our article Five Iconic Surf Road Trips. Click and get your SIXT discount

Read more

Read more

Discover more articles and updates in the Greenroom.

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Guarita surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Guarita at:
surf-forecast.com

Nearest locationNearest
Nearest locationNearest
Nearest locationNearest