Surf Forecasts:
How big are the waves at Sao Joao today (20 Sep):
- Morning surf: Morning surf (20 Sep, local time) - 6ft (1.8m), 12s period with NW swell.
- Afternoon surf: Afternoon surf (20 Sep, local time) - 5ft (1.6m), 11s period with NW swell.
- Evening surf: Evening surf (20 Sep, local time) - 5ft (1.6m), 11s period with NW swell.
The current surf forecast for Sao Joao at 1AM is: 1.8m 13s primary swell from a Northwest direction and 0.1m 13s secondary swell from a South direction (forecast issued at 06:00pm September 19). The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (WEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | 6ft (1.8m) | 12s |
| Afternoon (20 Sep) | 5ft (1.6m) | 11s |
| Evening (20 Sep) | 5ft (1.6m) | 11s |
Table - waves today at Sao Joao. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 30°C on Sun afternoon, min 21°C on Sun night). Wind will be generally light. | |||||||||||||||||||
Sat 19 | Sunday 20 | Monday 21 | |||||||||||||||||
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 13 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 | NW 12 | NW 12 | NW 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 1367 | 1242 | 1129 | 1028 | 864 | 895 | 805 | 722 | 600 | 568 | 568 | 496 | 428 | 377 | 284 | 231 | 528 | 511 | 486 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross-off | glassy | off | off | cross | on | cross-on | cross-on | glassy | off | off | off | cross | on | cross-on | cross |
High Tide | 9:52PM1.75m | 10:34AM1.92m | 11:31PM1.82m | 11:54AM2.06m | |||||||||||||||
Low Tide | 3:21PM1.11m | 3:50AM1.18m | 5:14PM1.07m | 5:31AM1.09m | 6:23PM0.91m | ||||||||||||||
 | |  | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:22 | — | — | — | — | — |
 | — | 7:38 | — | — | — | — | — | — | — | 7:37 | — | — | — | — | — | — | — | 7:36 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 26 | 26 | 25 | 23 | 22 | 23 | 28 | 30 | 27 | 26 | 25 | 24 | 21 | 23 | 29 | 30 | 26 | 26 |
Feels °C | 25 | 22 | 22 | 23 | 22 | 20 | 21 | 27 | 28 | 24 | 23 | 24 | 22 | 19 | 21 | 29 | 28 | 23 | 23 |
Swell 1 Height (m) Direction Period (s) | NW 13 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 | NW 12 | NW 12 | NW 12 |
| kJ | 1367 | 1242 | 1129 | 1028 | 864 | 895 | 805 | 722 | 600 | 568 | 568 | 496 | 428 | 377 | 284 | 226 | 528 | 511 | 486 |
Swell 2 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | NW 13 | NW 13 | NW 13 | S 12 | S 10 | S 12 |
| kJ | 7 | 7 | 7 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 111 | 202 | 231 | 3 | 2 | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | — | S 13 | — | — | — | S 13 | S 13 | — | — | S 12 | S 12 | S 10 | S 10 | N 7 | SSE 10 | S 12 | S 9 |
| kJ | — | — | — | 3 | — | — | — | 3 | 3 | — | — | 3 | 3 | 2 | 2 | 28 | 10 | 3 | 2 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | NW 4 | — | — | SSE 5 | — | — | NNW 7 | NNW 6 | NNW 4 |
| kJ | — | — | — | — | — | — | — | — | — | — | 6 | — | — | 2 | — | — | 37 | 36 | 12 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 5 | 11 | 5 | 0 | 0 | 0 | 0 | 20 | 94 | 11 | 5 | 0 | 0 | 0 | 0 | 4 | 156 | 11 | 4 |
Best forecast wave conditions in Lisboa | |||||||||||||||||||
Best forecast wave conditions in Portugal | |||||||||||||||||||
Header Global | |||||||||||||||||||
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