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Gi Surf Forecast
/ Santa Catarina – Sul (37 surf breaks) /
Surf Forecasts:
Gi surfForecast / Santa Catarina – Sul / Brazil
48hr Weather and Surf, issued 8 pm Friday 20 Mar 2026 -03Forecast update in hr min s Forecast update imminent
Gi surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Gi sea temperature is
26.6° C
(Which is 1.5°C warmer than normal for this time of year)How big are the waves at Gi today?
The current surf forecast for Gi at 2AM is: 0.9m 9s primary swell from a East-southeast direction and 0.3m 7s secondary swell from a South direction (forecast issued at 08:00pm March 20). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Mar) | 3ft (0.9m) | 9s |
| Afternoon (21 Mar) | 2.5ft (0.8m) | 9s |
| Evening (21 Mar) | 2.5ft (0.8m) | 9s |
Table - waves today at Gi. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Fri 20 | Saturday 21 | Sunday 22 | Monday 23 | |||||||||||||||||||||
| 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 | 6 AM | 9 AM | 12 PM | 3 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |   |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 172 | 124 | 124 | 145 | 148 | 130 | 120 | 103 | 103 | 101 | 99 | 96 | 94 | 75 | 75 | 81 | 94 | 120 | 105 | 78 | 76 | 76 | 75 | 76 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | glass | cross- on | cross- on | cross- on | glass | cross- off | cross- off | cross- off | cross- off | cross | cross |
High Tide / height (m) | 4:55PM 0.56 | 5:11AM 0.49 | 5:29PM 0.54 | 5:35AM 0.46 | 6:09PM 0.50 | 6:00AM 0.42 | ||||||||||||||||||
Low Tide / height (m) | 8:56PM 0.18 | 8:44AM 0.20 | 9:25PM 0.23 | 8:49AM 0.21 | 10:45PM 0.29 | 8:48AM 0.22 | ||||||||||||||||||
Fri 20 | Saturday 21 | Sunday 22 | Monday 23 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:18 | - | - | - | - | - | - | - | 6:18 | - | - | - | - | - | - | - | 6:18 | - | - |
| Sunset | 6:25 | - | - | - | - | - | - | - | 6:24 | - | - | - | - | - | - | - | 6:23 | - | - | - | - | - | - | - |
 |  |  | | | | | | | | | | |  | | | | |  | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - |
| Temp. °C | 25 | 24 | 24 | 23 | 23 | 24 | 26 | 26 | 25 | 24 | 24 | 23 | 23 | 26 | 27 | 27 | 25 | 24 | 24 | 24 | 24 | 25 | 27 | 26 |
| Feels °C (?) | 27 | 26 | 26 | 24 | 25 | 26 | 27 | 26 | 25 | 24 | 26 | 24 | 25 | 30 | 29 | 30 | 29 | 29 | 28 | 27 | 27 | 26 | 26 | 23 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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