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Surf Forecasts:
Mongagua surfForecast / São Paulo / Brazil
48hr Weather and Surf, issued 8 am Friday 17 Oct 2025 -03
How big are the waves at Mongagua today?
The current surf forecast for Mongagua at 1PM is: 0.6m 8s primary swell from a East-southeast direction and 0.5m 8s secondary swell from a South direction, 0.2m 2s secondary swell from a East-southeast direction (forecast issued at 08:00am October 17). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Oct) | 2ft (0.6m) | 8s |
| Afternoon (17 Oct) | 2ft (0.6m) | 8s |
| Evening (17 Oct) | 2ft (0.6m) | 8s |
Table - waves today at Mongagua. (Swell directed towards the surf break)
Friday 17 | Saturday 18 | Sunday 19 | Mon 20 | |||||||||||||||||||||
| 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 | 6 PM | 9 PM | 0 AM | 3 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 5 | 6 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 38 | 53 | 51 | 51 | 50 | 49 | 49 | 48 | 47 | 45 | 45 | 60 | 79 | 62 | 60 | 255 | 682 | 645 | 603 | 711 | 398 | 404 | 347 | 326 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross- on | cross- on | cross | glass | cross- on | cross- off | cross- off | off | cross- off | cross- on | cross- on | cross | cross- on | cross- on | on | on | on | on | on | cross- on | cross- on | cross- on |
High Tide / height (m) | 1:01PM 1.12 | 12:30AM 1.14 | 1:13PM 1.17 | 1:01AM 1.25 | 1:31PM 1.22 | 1:32AM 1.32 | ||||||||||||||||||
Low Tide / height (m) | 6:31AM 0.19 | 6:53PM 0.42 | 7:02AM 0.14 | 7:15PM 0.32 | 7:30AM 0.12 | 7:36PM 0.24 | ||||||||||||||||||
Friday 17 | Saturday 18 | Sunday 19 | Mon 20 | |||||||||||||||||||||
| Sunrise | 5:31 | - | - | - | - | - | - | - | 5:30 | - | - | - | - | - | - | - | 5:28 | - | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:10 | - | - | - | - | - | - | - | 6:12 | - | - | - | - | - | - | - | 6:12 | - | - | - |
 | | |  | |  |  |  |  |  | | | | | | | | | | | | | |  | |
Rain (mm) | - | - | - | - | - | - | 1 | 1 | 2 | - | - | 2 | 3 | 4 | 3 | 5 | 5 | 5 | 4 | 2 | 1 | 1 | 1 | - |
| Temp. °C | 20 | 25 | 24 | 24 | 22 | 21 | 21 | 20 | 21 | 23 | 26 | 23 | 21 | 21 | 20 | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 18 |
| Feels °C (?) | 21 | 25 | 25 | 26 | 24 | 23 | 22 | 22 | 22 | 25 | 29 | 25 | 21 | 19 | 17 | 19 | 17 | 16 | 15 | 16 | 16 | 16 | 15 | 15 |
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Recent Eyeball Surf Reports for São Paulo
Continuing clean conditions at Mongagua (calm at Santos wx 22 km from Mongagua). 0.6m 8s swell from the ESE with a 0.4m 8s swell from the S. 2 swells combining to make bigger set waves.
22 km away, 1 h 3 min ago
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