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Surf Forecasts:
Sao Joao surfForecast / Lisboa / Portugal
48hr Weather and Surf, issued 11 am Saturday 21 Mar 2026 WETForecast update in hr min s Forecast update imminent
Sao Joao surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Sao Joao sea temperature is
14.3° C
(Which is 1.1°C colder than average for this time of year)How big are the waves at Sao Joao today?
The current surf forecast for Sao Joao at 6PM is: 1.0m 11s primary swell from a Northwest direction and 1.1m 8s secondary swell from a South-southwest direction (forecast issued at 11:00am March 21). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (WET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Mar) | 3.5ft (1.1m) | 12s |
| Afternoon (21 Mar) | 3.5ft (1.1m) | 8s |
| Evening (21 Mar) | 3.5ft (1.0m) | 11s |
Table - waves today at Sao Joao. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | |||||||||||||||||||||
| 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 | 6 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 8 | 12 | 11 | 11 | 11 | 11 | 16 | 15 | 15 | 14 | 13 | 13 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 314 | 234 | 171 | 250 | 242 | 237 | 233 | 214 | 429 | 472 | 606 | 479 | 472 | 865 | 787 | 632 | 623 | 594 | 479 | 463 | 374 | 496 | 471 | 409 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | cross- off | off | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- off | glass | cross | glass | cross- off | cross- off | cross- off | cross- off | glass | cross- on | cross- on | cross | cross- off | cross- off | off |
High Tide / height (m) | 4:00PM 2.92 | 4:19AM 2.93 | 4:40PM 2.82 | 5:03AM 2.72 | 5:25PM 2.65 | 5:55AM 2.46 | ||||||||||||||||||
Low Tide / height (m) | 9:48AM -0.04 | 10:05PM 0.03 | 10:27AM 0.10 | 10:47PM 0.16 | 11:08AM 0.31 | 11:36PM 0.36 | ||||||||||||||||||
Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | |||||||||||||||||||||
| Sunrise | 6:39 | - | - | - | - | - | - | - | 6:37 | - | - | - | - | - | - | - | 6:35 | - | - | - | - | - | - | - |
| Sunset | - | - | - | 6:49 | - | - | - | - | - | - | - | 6:50 | - | - | - | - | - | - | - | 6:51 | - | - | - | - |
 | |  | |  | | | |  | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 13 | 15 | 17 | 17 | 14 | 13 | 12 | 11 | 13 | 17 | 19 | 18 | 16 | 15 | 15 | 14 | 16 | 19 | 20 | 18 | 17 | 16 | 15 | 13 |
| Feels °C (?) | 10 | 13 | 16 | 16 | 12 | 11 | 10 | 9 | 10 | 15 | 19 | 17 | 15 | 14 | 14 | 13 | 15 | 19 | 18 | 16 | 15 | 14 | 13 | 10 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
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