Surf Forecasts:
How big are the waves at 21st Street (Miami) today (21 Aug):
- Afternoon surf: Afternoon surf (21 Aug, local time) - 0.5ft (0.2m), 8s period with E swell.
- Evening surf: Evening surf (21 Aug, local time) - 0.5ft (0.2m), 8s period with E swell.
The current surf forecast for 21st Street (Miami) at 12AM is: 0.2m 8s primary swell from a East direction and 0.1m 9s secondary swell from a Northeast direction, 0.3m 3s secondary swell from a South-southeast direction (forecast issued at 07:00pm August 20). The wind direction is predicted to be cross-shore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | - | - |
| Afternoon (21 Aug) | 0.5ft (0.2m) | 8s |
| Evening (21 Aug) | 0.5ft (0.2m) | 8s |
Table - waves today at 21st Street (Miami). (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 20mm), heaviest during Fri night. Warm (max 31°C on Thu night, min 29°C on Thu night). Wind will be generally light. | |||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | |||||||||||||||||
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 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross | cross | cross | cross-off | cross-off | cross-on | cross-on | cross | cross | cross | cross | glassy | cross-on | cross-on | cross-on | cross-on | on |
High Tide | 3:11PM0.71m | 3:05AM0.66m | 4:14PM0.70m | 4:07AM0.65m | 5:15PM0.71m | ||||||||||||||
Low Tide | 9:13PM0.28m | 9:34AM0.16m | 10:18PM0.30m | 10:35AM0.16m | |||||||||||||||
 |  | |  |  |  | | | | | | | |  | | | | | | |
 | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:56 | — | — | — | — | — | — |
 | 7:52 | — | — | — | — | — | — | — | 7:51 | — | — | — | — | — | — | — | 7:50 | — | — |
mm | 2 | 3 | 3 | — | — | — | — | — | — | 1 | 4 | — | — | — | — | — | — | 2 | 3 |
Temp °C | 31 | 31 | 30 | 29 | 29 | 29 | 30 | 30 | 29 | 29 | 30 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 |
Feels °C | 32 | 34 | 33 | 31 | 32 | 33 | 34 | 32 | 30 | 32 | 32 | 31 | 33 | 34 | 32 | 31 | 30 | 32 | 32 |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 |
| kJ | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 |
Swell 2 Height (m) Direction Period (s) | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 8 | NE 8 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 10 | NE 10 | NE 9 | NE 9 | NE 9 |
| kJ | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 3 | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | NE 6 | — | E 5 | — | — | — | N 9 | — | — | NE 9 | — | E 14 | — | E 14 | E 13 | E 13 | E 13 | E 13 | E 13 |
| kJ | 1 | — | 1 | — | — | — | 2 | — | — | 3 | — | 4 | — | 4 | 4 | 4 | 3 | 3 | 3 |
Wind waves Height (m) Direction Period (s) | SSE 3 | S 3 | SSE 3 | SSE 3 | SSE 3 | SSE 3 | SSE 3 | SSE 2 | SE 3 | SSE 3 | SSE 3 | SSE 3 | SSE 3 | SE 3 | SE 3 | SE 3 | SE 3 | SE 3 | SE 4 |
| kJ | 6 | 6 | 2 | 2 | 3 | 3 | 2 | 1 | 5 | 4 | 2 | 1 | 2 | 2 | 2 | 4 | 4 | 3 | 3 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 407 | 1675 | 1284 | 731 | 915 | 915 | 353 | 1686 | 1740 | 731 | 448 | 524 | 841 | 862 | 991 | 353 | 326 | 448 | 360 |
Best forecast wave conditions in South Florida | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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