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Surf Forecasts:
Sao Lourenço surfForecast / Ericeira / Portugal
48hr Weather and Surf, issued 12 am Sunday 17 May 2026 WESTForecast update in hr min s Forecast update imminent
Sao Lourenço surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Sao Lourenço sea temperature is
16.7° C
(Which is normal for this time of year)How big are the waves at Sao Lourenço today?
The current surf forecast for Sao Lourenço at 8AM is: 1.4m 9s primary swell from a North-northwest direction and 0.2m 13s secondary swell from a West-northwest direction (forecast issued at 12:00am May 17). The wind direction is predicted to be cross-onshore.
| Time (WEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | 4.5ft (1.4m) | 8s |
| Afternoon (17 May) | 4.5ft (1.3m) | 8s |
| Evening (17 May) | 3ft (0.9m) | 14s |
Table - waves today at Sao Lourenço. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 18°C on Tue morning, min 13°C on Sun night). Winds decreasing (fresh winds from the NNW on Sat night, light winds from the NW by Mon night). | ||||||||||||||||||||||||
Sunday 17 | Monday 18 | Tuesday 19 | ||||||||||||||||||||||
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 | 4 PM | 7 PM | 10 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
NNW 9 | NNW 9 | NNW 9 | NNW 8 | NNW 8 | NNW 8 | NW 15 | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | |
525 | 416 | 344 | 249 | 192 | 202 | 262 | 453 | 526 | 1387 | 1223 | 1092 | 913 | 869 | 760 | 606 | 534 | 457 | 399 | 377 | 355 | 416 | 408 | 399 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross-on | cross | cross-on | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross | cross-on | cross | cross | cross-off | |
High Tide | 3:27AM3.02m | 3:49PM3.10m | 4:16AM2.98m | 4:36PM3.10m | 5:07AM2.86m | 5:26PM3.03m | ||||||||||||||||||
Low Tide | 9:34AM0.04m | 10:02PM-0.03m | 10:20AM0.10m | 10:52PM0.01m | 11:08AM0.21m | |||||||||||||||||||
 |  |  |  | |  | |  | | | | | | | | | | | | | | | | | |
 | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:45 | — | — | — | — | — | — | — | 8:45 | — | — | — | — | — | — | — | 8:45 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 14 | 14 | 14 | 15 | 16 | 15 | 15 | 14 | 13 | 13 | 13 | 14 | 15 | 15 | 15 | 15 | 14 | 15 | 14 | 16 | 18 | 18 | 17 | 16 |
8 | 9 | 10 | 11 | 12 | 9 | 9 | 9 | 8 | 8 | 9 | 10 | 12 | 12 | 12 | 12 | 13 | 15 | 14 | 15 | 16 | 15 | 14 | 13 | |
Swell 1 Height (m) Direction Period (s) | WNW 14 | WNW 13 | NNW 9 | NNW 8 | NW 16 | NW 16 | NW 15 | NW 14 | NW 14 | SW 18 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 |
 kJ | 19 | 17 | 344 | 249 | 67 | 151 | 262 | 453 | 526 | 13 | 1223 | 1092 | 913 | 869 | 760 | 606 | 534 | 457 | 399 | 377 | 355 | 416 | 408 | 399 |
Swell 2 Height (m) Direction Period (s) | — | NW 18 | WNW 13 | WNW 12 | NW 12 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | SW 18 | SW 18 | SW 18 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | W 15 | WNW 15 | WNW 14 | WNW 14 | WNW 16 |
| kJ | — | 13 | 17 | 14 | 37 | 32 | 30 | 54 | 63 | 59 | 13 | 12 | 12 | 12 | 11 | 10 | 10 | 10 | 10 | 17 | 21 | 41 | 36 | 103 |
Swell 3 Height (m) Direction Period (s) | — | — | NW 18 | WNW 17 | W 8 | — | SW 19 | SW 18 | SW 18 | S 18 | — | — | — | — | — | — | W 16 | W 16 | W 16 | SW 16 | SW 16 | SW 16 | SW 15 | WNW 13 |
| kJ | — | — | 12 | 28 | 1 | — | 14 | 13 | 13 | 6 | — | — | — | — | — | — | 5 | 5 | 5 | 10 | 10 | 10 | 9 | 60 |
Wind waves Height (m) Direction Period (s) | NNW 9 | NNW 9 | — | — | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 6 | NW 13 | NNW 9 | — | — | — | — | — | — | — | — | — | — | — | NNW 3 | NNW 3 |
| kJ | 525 | 416 | — | — | 192 | 202 | 226 | 260 | 170 | 1387 | 286 | — | — | — | — | — | — | — | — | — | — | — | 1 | 3 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 239 | 246 | 133 | 301 | 595 | 596 | 554 | 39 | 35 | 35 | 35 | 136 | 224 | 401 | 401 | 37 | 35 | 30 | 0 | 35 | 35 | 226 | 39 | 35 |
Best forecast wave conditions in Ericeira | ||||||||||||||||||||||||
Best forecast wave conditions in Portugal | ||||||||||||||||||||||||
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