Surf Forecasts:
How big are the waves at Dunes today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 3.5ft (1.1m), 6s period with E swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 5ft (1.6m), 6s period with ENE swell.
- Evening surf: Evening surf (20 Aug, local time) - 6ft (1.8m), 6s period with E swell.
The current surf forecast for Dunes at 4AM is: 0.9m 5s primary swell from a East direction and 0.5m 8s secondary swell from a East direction, 0.3m 7s secondary swell from a North direction (forecast issued at 07:00pm August 19). The wind direction is predicted to be cross-offshore.
| Time (AST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 3.5ft (1.1m) | 6s |
| Afternoon (20 Aug) | 5ft (1.6m) | 6s |
| Evening (20 Aug) | 6ft (1.8m) | 6s |
Table - waves today at Dunes. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Wed night. Warm (max 30°C on Thu morning, min 25°C on Thu night). Winds increasing (light winds from the SE on Wed night, fresh winds from the ENE by Thu afternoon). | |||||||||||||||||||
Wed 19 | Thursday 20 | Friday 21 | |||||||||||||||||
5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | E 5 | E 5 | E 6 | E 5 | E 5 | E 6 | E 6 | ENE 6 | ENE 6 | E 6 | E 6 | E 5 | E 6 | E 5 | E 5 | ENE 5 | ENE 6 | ENE 5 | E 5 |
Wave Graph  | |||||||||||||||||||
 kJ | 73 | 114 | 86 | 42 | 42 | 67 | 108 | 126 | 275 | 275 | 144 | 70 | 60 | 58 | 69 | 112 | 173 | 117 | 61 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | cross | cross | cross |
High Tide | 2:16PM0.50m | 1:24AM0.33m | 3:14PM0.48m | 2:06AM0.30m | 4:14PM0.48m | ||||||||||||||
Low Tide | 8:56PM0.23m | 7:52AM0.09m | 10:06PM0.24m | 8:42AM0.09m | |||||||||||||||
 |  |  | |  |  | | | | | | | | | | |  | | | |
 | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:51 | — | — |
mm | 4 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 30 | 29 | 28 | 26 | 26 | 27 | 30 | 29 | 28 | 28 | 26 | 25 | 25 | 27 | 30 | 29 | 28 | 27 | 26 |
Feels °C | 34 | 33 | 32 | 29 | 28 | 29 | 31 | 27 | 26 | 28 | 27 | 26 | 26 | 29 | 29 | 28 | 27 | 28 | 27 |
Swell 1 Height (m) Direction Period (s) | NNE 8 | N 8 | E 8 | E 8 | E 8 | E 8 | NNE 7 | — | — | NNE 8 | NNE 8 | E 8 | E 8 | E 8 | NNE 7 | N 11 | N 11 | NNE 8 | NNE 7 |
| kJ | 14 | 10 | 22 | 34 | 34 | 22 | 17 | — | — | 25 | 11 | 33 | 32 | 32 | 10 | 2 | 2 | 6 | 5 |
Swell 2 Height (m) Direction Period (s) | N 6 | NE 9 | NNE 8 | NNE 7 | N 7 | N 7 | — | — | — | E 13 | N 6 | NNE 7 | NNE 7 | NNE 7 | NE 9 | E 12 | N 11 | N 11 | NE 8 |
| kJ | 3 | 3 | 19 | 17 | 9 | 9 | — | — | — | 3 | 1 | 10 | 10 | 10 | 3 | 3 | 2 | 2 | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | NNE 8 | NNE 8 | — | — | — | — | — | N 6 | — | — | N 11 | — | — | N 11 | N 11 |
| kJ | — | — | — | — | 7 | 7 | — | — | — | — | — | 1 | — | — | 2 | — | — | 2 | 2 |
Wind waves Height (m) Direction Period (s) | E 5 | E 5 | E 6 | E 5 | E 5 | E 6 | E 6 | ENE 6 | ENE 6 | E 6 | E 6 | E 5 | E 6 | E 5 | E 5 | ENE 5 | ENE 6 | ENE 5 | E 5 |
| kJ | 73 | 114 | 86 | 42 | 42 | 67 | 108 | 126 | 275 | 275 | 144 | 70 | 60 | 58 | 69 | 112 | 173 | 117 | 61 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 130 | 130 | 0 | 0 | 3 | 130 | 130 | 1193 | 580 | 26 | 304 | 160 | 2 | 130 | 130 | 879 | 629 | 580 | 304 |
Best forecast wave conditions in Puerto Rico | |||||||||||||||||||
Best forecast wave conditions in Puerto Rico | |||||||||||||||||||
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