Surf Forecasts:
How big are the waves at Cabo de Sines today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 3.5ft (1.1m), 8s period with NW swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 5ft (1.6m), 10s period with NW swell.
- Evening surf: Evening surf (21 Aug, local time) - 1.5ft (0.4m), 10s period with WNW swell.
The current surf forecast for Cabo de Sines at 1AM is: 1.6m 8s primary swell from a Northwest direction and 0.1m 15s secondary swell from a Southwest direction, 0.1m 4s secondary swell from a Southwest direction (forecast issued at 06:00pm August 20). The wind direction is predicted to be cross-offshore.
| Time (WEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 3.5ft (1.1m) | 8s |
| Afternoon (21 Aug) | 5ft (1.6m) | 10s |
| Evening (21 Aug) | 1.5ft (0.4m) | 10s |
Table - waves today at Cabo de Sines. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 23°C on Thu afternoon, min 17°C on Fri night). Winds decreasing (fresh winds from the NW on Fri afternoon, light winds from the S by Sat night). | |||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | |||||||||||||||||
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 |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | WNW 9 | WNW 9 | NW 8 | NW 8 | NW 7 | NW 8 | NW 8 | NW 8 | NW 10 | SSW 14 | WNW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 9 | NNW 9 |
Wave Graph  | |||||||||||||||||||
 kJ | 44 | 44 | 239 | 308 | 215 | 179 | 153 | 161 | 573 | 18 | 30 | 388 | 315 | 217 | 192 | 160 | 113 | 88 | 55 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on | cross-on |
High Tide | 9:05PM2.46m | 9:46AM2.50m | 10:34PM2.36m | 11:15AM2.51m | |||||||||||||||
Low Tide | 2:45PM1.49m | 3:12AM1.55m | 4:18PM1.58m | 4:46AM1.61m | 5:53PM1.52m | ||||||||||||||
 | |  | | | | | | | | | | | | | | | | | |
 | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:56 | — | — | — | — | — | — |
 | — | 8:22 | — | — | — | — | — | — | — | 8:21 | — | — | — | — | — | — | — | 8:20 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 23 | 22 | 20 | 19 | 18 | 18 | 19 | 20 | 20 | 19 | 18 | 17 | 17 | 17 | 19 | 20 | 21 | 20 | 19 |
Feels °C | 23 | 23 | 17 | 16 | 16 | 17 | 18 | 16 | 15 | 13 | 14 | 15 | 16 | 17 | 19 | 19 | 20 | 19 | 19 |
Swell 1 Height (m) Direction Period (s) | WNW 9 | WNW 9 | NNW 11 | SW 15 | NW 7 | NW 8 | NNW 11 | NW 11 | SSW 14 | SSW 14 | WNW 10 | WNW 9 | WNW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 9 | NNW 9 |
| kJ | 44 | 44 | 11 | 8 | 215 | 179 | 50 | 58 | 19 | 18 | 30 | 44 | 30 | 217 | 192 | 160 | 113 | 88 | 55 |
Swell 2 Height (m) Direction Period (s) | NW 5 | SSW 4 | SSW 4 | SW 4 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | W 11 | SSW 13 | SSW 13 | SSW 14 | WNW 9 | WNW 9 | W 9 | W 9 | WNW 9 | W 8 |
| kJ | 7 | 2 | 2 | 1 | 42 | 26 | 25 | 27 | 15 | 10 | 18 | 18 | 19 | 42 | 42 | 38 | 38 | 25 | 37 |
Swell 3 Height (m) Direction Period (s) | SSW 4 | SSW 14 | SSW 14 | SW 12 | SW 15 | NNW 12 | SSW 14 | SSW 14 | SSW 14 | — | — | — | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | WNW 18 |
| kJ | 2 | 19 | 21 | 6 | 8 | 15 | 21 | 20 | 19 | — | — | — | 19 | 20 | 20 | 20 | 20 | 20 | 30 |
Wind waves Height (m) Direction Period (s) | — | NW 5 | NW 8 | NW 8 | — | — | NW 8 | NW 8 | NW 10 | NW 6 | NW 6 | NW 10 | NW 10 | — | — | — | — | — | — |
| kJ | — | 7 | 239 | 308 | — | — | 153 | 161 | 573 | 221 | 167 | 388 | 315 | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 93 | 101 | 424 | 98 | 8 | 0 | 113 | 761 | 683 | 649 | 93 | 8 | 0 | 0 | 0 | 104 | 101 | 101 | 28 |
Best forecast wave conditions in Portugal - Alentejo | |||||||||||||||||||
Best forecast wave conditions in Portugal | |||||||||||||||||||
Header Global | |||||||||||||||||||
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