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Praia do Guincho surfForecast / Lisboa / Portugal
48hr Weather and Surf, issued 12 am Thursday 18 Sep 2025 WEST
How big are the waves at Praia do Guincho today?
The current surf forecast for Praia do Guincho at 4AM is: 0.9m 10s primary swell from a West-northwest direction and 0.8m 9s secondary swell from a North-northwest direction (forecast issued at 12:00am September 18). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (WEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 4.5ft (1.3m) | 12s |
| Afternoon (18 Sep) | 4.5ft (1.3m) | 11s |
| Evening (18 Sep) | 4.5ft (1.3m) | 11s |
Table - waves today at Praia do Guincho. (Swell directed towards the surf break)
Thursday 18 | Friday 19 | Saturday 20 | ||||||||||||||||||||||
| 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 | 4 PM | 7 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 10 | 10 | 13 | 12 | 12 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 356 | 348 | 164 | 212 | 451 | 491 | 435 | 394 | 404 | 372 | 352 | 292 | 286 | 269 | 209 | 218 | 201 | 189 | 143 | 140 | 103 | 108 | 92 | 70 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross- off | glass | glass | cross- on | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross | cross- on | glass | cross- on | cross | glass | glass | cross- on | cross- on | cross- on | cross |
High Tide / height (m) | 1:03AM 2.28 | 1:17PM 2.59 | 1:49AM 2.45 | 2:01PM 2.76 | 2:27AM 2.59 | 2:38PM 2.88 | ||||||||||||||||||
Low Tide / height (m) | 7:05AM 0.67 | 7:42PM 0.40 | 7:50AM 0.49 | 8:21PM 0.26 | 8:27AM 0.34 | |||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 7:20 | - | - | - | - | - | - | - | 7:22 | - | - | - | - | - | - | - | 7:22 | - | - | - |
| Sunset | - | - | - | - | - | - | - | 7:42 | - | - | - | - | - | - | - | 7:39 | - | - | - | - | - | - | - | 7:38 |
 |  | |  |  | | |  | | | | | |  | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 23 | 22 | 22 | 23 | 25 | 25 | 25 | 27 | 23 | 26 | 23 | 21 | 22 | 21 | 22 | 22 | 21 | 20 | 20 | 20 | 20 | 21 | 20 | 18 |
| Feels °C (?) | 17 | 17 | 19 | 20 | 22 | 21 | 21 | 23 | 19 | 23 | 21 | 19 | 22 | 21 | 23 | 24 | 23 | 22 | 22 | 21 | 20 | 20 | 18 | 14 |
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Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Lisboa
The wind is still cross-on at Praia do Guincho (light winds from the NNW at Alvide wx 6 km from Praia do Guincho). 1.1m 12s groundswell from the NW with a 0.9m 10s swell, also from the NW and a 0.4m 16s long period groundswell, also from the WSW. 3 swells combining to make bigger set waves.
1 h 24 min ago
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