Surf Forecasts:
How big are the waves at Cabo de Sines today (20 Sep):
- Afternoon surf: Afternoon surf (20 Sep, local time) - 3.5ft (1.1m), 12s period with NW swell.
- Evening surf: Evening surf (20 Sep, local time) - 3.5ft (1.1m), 11s period with NW swell.
The current surf forecast for Cabo de Sines at 10PM is: 1.1m 11s primary swell from a Northwest direction and 0.7m 4s secondary swell from a Northwest direction (forecast issued at 06:00pm September 20). The wind direction is predicted to be cross-onshore.
| Time (WEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | - | - |
| Afternoon (20 Sep) | 3.5ft (1.1m) | 12s |
| Evening (20 Sep) | 3.5ft (1.1m) | 11s |
Table - waves today at Cabo de Sines. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 31°C on Sun afternoon, min 21°C on Sun night). Wind will be generally light. | |||||||||||||||||||
Sun 20 | Monday 21 | Tuesday 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) | NW 12 | NW 11 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 12 | NW 12 | NW 12 | NW 11 |
Wave Graph  | |||||||||||||||||||
 kJ | 349 | 278 | 263 | 338 | 220 | 240 | 200 | 170 | 141 | 141 | 277 | 263 | 241 | 309 | 237 | 259 | 268 | 228 | 183 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-on | cross-on | cross-on | cross-on | glassy | off | cross-off | cross | cross-on | cross-on | glassy | glassy | cross | glassy | cross-on | cross-on | cross-on | glassy |
High Tide | 11:34PM2.36m | 11:55AM2.58m | 00:37AM2.53m | 12:49PM2.78m | |||||||||||||||
Low Tide | 5:20PM1.55m | 5:38AM1.60m | 6:26PM1.39m | 6:35AM1.42m | 7:09PM1.19m | ||||||||||||||
 | |  | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | 7:20 | — | — | — | — | — | — | — | 7:22 | — | — | — | — | — |
 | — | 7:36 | — | — | — | — | — | — | — | 7:35 | — | — | — | — | — | — | — | 7:32 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 31 | 26 | 23 | 21 | 22 | 22 | 25 | 29 | 30 | 23 | 24 | 23 | 22 | 21 | 23 | 27 | 26 | 23 | 22 |
Feels °C | 28 | 25 | 21 | 21 | 21 | 23 | 25 | 27 | 27 | 23 | 23 | 24 | 22 | 20 | 23 | 26 | 24 | 23 | 22 |
Swell 1 Height (m) Direction Period (s) | NW 12 | NW 11 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 12 | NW 12 | NW 12 | NW 11 |
| kJ | 349 | 278 | 263 | 338 | 220 | 240 | 200 | 170 | 141 | 141 | 277 | 263 | 241 | 309 | 237 | 259 | 268 | 228 | 183 |
Swell 2 Height (m) Direction Period (s) | S 13 | S 12 | NW 4 | S 12 | NW 4 | S 12 | NW 13 | NW 13 | NW 13 | NW 12 | S 12 | S 12 | NW 4 | S 12 | S 12 | S 11 | S 11 | NW 20 | WNW 19 |
| kJ | 3 | 3 | 19 | 3 | 9 | 3 | 46 | 85 | 128 | 124 | 3 | 3 | 13 | 3 | 3 | 3 | 2 | 15 | 69 |
Swell 3 Height (m) Direction Period (s) | — | — | S 12 | — | — | S 12 | S 12 | S 11 | S 12 | S 12 | — | — | S 12 | — | — | — | — | S 11 | S 13 |
| kJ | — | — | 3 | — | — | 3 | 3 | 2 | 3 | 3 | — | — | 3 | — | — | — | — | 2 | 3 |
Wind waves Height (m) Direction Period (s) | NW 3 | NW 4 | — | — | S 12 | — | — | — | NW 2 | NW 4 | NW 4 | NW 4 | — | — | — | — | — | — | NW 3 |
| kJ | 4 | 12 | — | — | 3 | — | — | — | 2 | 8 | 14 | 16 | — | — | — | — | — | — | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 8 | 19 | 19 | 19 | 9 | 0 | 0 | 0 | 67 | 73 | 28 | 0 | 0 | 10 | 0 | 62 | 89 | 19 | 0 |
Best forecast wave conditions in Portugal - Alentejo | |||||||||||||||||||
Best forecast wave conditions in Portugal | |||||||||||||||||||
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