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Surf Forecasts:
Furnas surfForecast / Ericeira / Portugal
48hr Weather and Surf, issued 12 pm Sunday 17 May 2026 WESTForecast update in hr min s Forecast update imminent
Furnas surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Furnas sea temperature is
16.6° C
(Which is normal for this time of year)How big are the waves at Furnas today?
The current surf forecast for Furnas at 4PM is: 1.3m 8s primary swell from a North-northwest direction and 0.6m 16s secondary swell from a Northwest direction, 0.4m 11s secondary swell from a Northwest direction (forecast issued at 12:00pm May 17). The wind direction is predicted to be cross-onshore.
| Time (WEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | 4.5ft (1.3m) | 8s |
| Afternoon (17 May) | 4.5ft (1.3m) | 8s |
| Evening (17 May) | 3ft (0.9m) | 14s |
Table - waves today at Furnas. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 17°C on Tue morning, min 13°C on Sun night). Winds decreasing (fresh winds from the NNW on Sun afternoon, calm by Tue morning). | ||||||||||||||||||||||||
Sun 17 | Monday 18 | Tuesday 19 | Wed 20 | |||||||||||||||||||||
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 | 1 AM | 4 AM | 7 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
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 | WNW 15 | NW 14 | NW 14 | |
249 | 207 | 207 | 262 | 453 | 526 | 1280 | 1223 | 1092 | 913 | 800 | 760 | 606 | 534 | 414 | 399 | 377 | 355 | 416 | 408 | 450 | 818 | 2483 | 2534 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | glassy | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | |
High Tide | 3:43PM3.07m | 4:10AM2.95m | 4:31PM3.07m | 5:01AM2.83m | 5:20PM2.99m | 5:54AM2.66m | ||||||||||||||||||
Low Tide | 9:28AM0.03m | 9:56PM-0.04m | 10:14AM0.09m | 10:46PM0.00m | 11:02AM0.21m | 11:39PM0.11m | ||||||||||||||||||
 |  | | |  | | | |  | | | |  | | | | | | | | | | | | |
 | 6:24 | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:20 | — |
 | — | — | — | 8:44 | — | — | — | — | — | — | — | 8:45 | — | — | — | — | — | — | — | 8:45 | — | — | — | 8:46 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 15 | 15 | 16 | 15 | 14 | 13 | 13 | 13 | 14 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 16 | 17 | 17 | 17 | 16 | 16 | 16 | 17 |
11 | 11 | 11 | 9 | 9 | 8 | 9 | 9 | 10 | 12 | 12 | 12 | 13 | 13 | 14 | 14 | 17 | 16 | 15 | 15 | 14 | 14 | 14 | 15 | |
Swell 1 Height (m) Direction Period (s) | NNW 8 | NW 16 | NW 16 | 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 | NW 10 | NW 14 | NW 14 |
 kJ | 249 | 67 | 151 | 262 | 453 | 526 | 1280 | 1223 | 1092 | 913 | 800 | 760 | 606 | 534 | 414 | 399 | 377 | 355 | 416 | 408 | 450 | 499 | 2483 | 2534 |
Swell 2 Height (m) Direction Period (s) | WNW 12 | NW 12 | NW 11 | NW 11 | NW 10 | NW 10 | SW 18 | 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 16 | WNW 16 | WNW 15 | SW 15 | SW 15 |
| kJ | 14 | 37 | 32 | 30 | 54 | 63 | 13 | 13 | 12 | 12 | 12 | 11 | 10 | 10 | 10 | 10 | 17 | 21 | 41 | 53 | 322 | 818 | 9 | 8 |
Swell 3 Height (m) Direction Period (s) | WNW 17 | W 8 | W 8 | SW 19 | SW 18 | SW 18 | S 18 | — | — | — | — | — | — | W 16 | W 16 | W 16 | SW 16 | SW 16 | SW 16 | WNW 13 | SW 15 | SW 15 | — | — |
| kJ | 28 | 1 | 1 | 14 | 13 | 13 | 6 | — | — | — | — | — | — | 5 | 5 | 5 | 10 | 10 | 10 | 35 | 9 | 9 | — | — |
Wind waves Height (m) Direction Period (s) | — | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 7 | NNW 7 | NNW 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 207 | 207 | 197 | 220 | 188 | 193 | 254 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 314 | 608 | 608 | 608 | 27 | 23 | 23 | 26 | 122 | 212 | 414 | 414 | 26 | 23 | 23 | 4 | 0 | 23 | 214 | 23 | 23 | 23 | 23 | 0 |
Best forecast wave conditions in Ericeira | ||||||||||||||||||||||||
Best forecast wave conditions in Portugal | ||||||||||||||||||||||||
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