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Surf Forecasts:
Sao Joao surfForecast / Lisboa / Portugal
48hr Weather and Surf, issued 6 pm Tuesday 05 May 2026 WESTForecast 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
17.9° C
(Which is 1.6°C warmer than normal for this time of year)How big are the waves at Sao Joao today?
The current surf forecast for Sao Joao at 1AM is: 1.7m 8s primary swell from a North-northwest direction and 0.3m 8s secondary swell from a West-southwest direction, 0.1m 18s secondary swell from a South direction (forecast issued at 06:00pm May 05). The wind direction is predicted to be cross-shore.
| Time (WEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (06 May) | 5.5ft (1.7m) | 8s |
| Afternoon (06 May) | 5.5ft (1.7m) | 8s |
| Evening (06 May) | 5ft (1.5m) | 8s |
Table - waves today at Sao Joao. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 18°C on Wed morning, min 13°C on Tue night). Winds decreasing (fresh winds from the NW on Wed afternoon, calm by Thu night). | ||||||||||||||||||||||||
Tue 5 | Wednesday 6 | Thursday 7 | Fri 8 | |||||||||||||||||||||
4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NW 9 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 9 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | |
309 | 330 | 368 | 409 | 409 | 379 | 370 | 370 | 361 | 336 | 291 | 238 | 181 | 172 | 167 | 140 | 108 | 88 | 70 | 119 | 108 | 84 | 71 | 51 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | cross-on | on | cross-on | on | cross-on | glassy | cross-off | cross-off | cross | |
High Tide | 5:29PM2.48m | 5:52AM2.22m | 6:08PM2.35m | 6:33AM2.07m | 6:54PM2.23m | 7:25AM1.95m | ||||||||||||||||||
Low Tide | 11:41PM0.58m | 11:47AM0.70m | 00:23AM0.72m | 12:28PM0.83m | 1:13AM0.85m | |||||||||||||||||||
 | |  | | | | | | | | | | | |  | | |  |  | | | | | | |
 | — | — | — | — | 6:33 | — | — | — | — | — | — | — | 6:33 | — | — | — | — | — | — | — | 6:31 | — | — | — |
 | — | 8:31 | — | — | — | — | — | — | — | 8:32 | — | — | — | — | — | — | — | 8:34 | — | — | — | — | — | 8:35 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 16 | 14 | 13 | 13 | 13 | 16 | 18 | 18 | 16 | 14 | 14 | 13 | 13 | 15 | 17 | 17 | 16 | 15 | 14 | 14 | 14 | 16 | 18 |
11 | 11 | 11 | 10 | 10 | 11 | 12 | 13 | 12 | 11 | 10 | 11 | 10 | 10 | 12 | 13 | 13 | 12 | 12 | 12 | 13 | 12 | 12 | 14 | |
Swell 1 Height (m) Direction Period (s) | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | W 9 | NNW 11 | NW 11 | NW 11 | NW 10 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 9 | NNW 8 | NNW 8 | NNW 8 | NNW 8 |
 kJ | 13 | 13 | 13 | 12 | 12 | 11 | 11 | 6 | 6 | 6 | 6 | 12 | 19 | 18 | 26 | 140 | 108 | 88 | 70 | 119 | 108 | 84 | 71 | 51 |
Swell 2 Height (m) Direction Period (s) | — | — | — | S 18 | — | S 16 | — | W 9 | W 9 | SW 16 | SW 16 | W 8 | W 8 | W 8 | W 8 | NW 10 | NW 10 | NW 9 | NW 9 | W 16 | W 16 | W 16 | WNW 15 | WNW 15 |
| kJ | — | — | — | 6 | — | 5 | — | 2 | 2 | 10 | 9 | 6 | 5 | 5 | 5 | 25 | 23 | 22 | 40 | 5 | 20 | 20 | 42 | 42 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | S 16 | SW 16 | N 12 | — | S 15 | S 15 | S 15 | SW 15 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | SW 13 | SW 13 | SW 13 |
| kJ | — | — | — | — | — | — | — | 5 | 10 | 3 | — | 4 | 4 | 4 | 8 | 1 | 1 | 1 | 1 | 1 | 1 | 7 | 7 | 7 |
Wind waves Height (m) Direction Period (s) | NW 9 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 7 | NNW 7 | NNW 7 | — | — | NW 7 | WNW 4 | — | — | — | SW 3 | SSW 3 |
| kJ | 309 | 330 | 368 | 409 | 409 | 379 | 370 | 370 | 361 | 336 | 291 | 238 | 181 | 172 | 167 | — | — | 59 | 6 | — | — | — | 2 | 4 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 573 | 467 | 455 | 4 | 4 | 4 | 298 | 727 | 584 | 580 | 321 | 198 | 5 | 5 | 156 | 184 | 440 | 440 | 504 | 99 | 0 | 0 | 51 | 79 |
Best forecast wave conditions in Lisboa | ||||||||||||||||||||||||
Best forecast wave conditions in Portugal | ||||||||||||||||||||||||
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