Surf Forecasts:
How big are the waves at 21st Street (Miami) today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 0.5ft (0.2m), 8s period with E swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 0.5ft (0.2m), 8s period with E swell.
- Evening surf: Evening surf (20 Aug, local time) - 0.5ft (0.2m), 8s period with E swell.
The current surf forecast for 21st Street (Miami) at 11AM is: 0.2m 8s primary swell from a East direction and 0.1m 6s secondary swell from a Northeast direction (forecast issued at 07:00am August 20). The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 0.5ft (0.2m) | 8s |
| Afternoon (20 Aug) | 0.5ft (0.2m) | 8s |
| Evening (20 Aug) | 0.5ft (0.2m) | 8s |
Table - waves today at 21st Street (Miami). (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 22mm), heaviest during Thu night. Warm (max 31°C on Thu afternoon, min 28°C on Thu night). Wind will be generally light. | |||||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | |||||||||||||||||||||
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 | 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 9 | E 9 | 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 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 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 5 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-off | cross-off | cross | cross | cross-off | cross-on | cross | cross | cross-off | cross | cross-on | cross-on | cross | cross-on | cross | cross | glassy | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 2:10AM0.69m | 3:11PM0.71m | 3:05AM0.66m | 4:14PM0.70m | 4:07AM0.65m | 5:15PM0.71m | |||||||||||||||||
Low Tide | 8:36AM0.13m | 9:13PM0.28m | 9:34AM0.16m | 10:18PM0.30m | 10:35AM0.16m | ||||||||||||||||||
 |  |  |  | | | |  |  | | | | | | | | | | | | | | | |
 | 6:54 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:56 | — | — | — | — | — | — |
 | — | — | — | — | 7:52 | — | — | — | — | — | — | — | 7:51 | — | — | — | — | — | — | — | 7:50 | — | — |
mm | 1 | — | — | 1 | 1 | 8 | 2 | — | — | — | — | 1 | 2 | 2 | 3 | — | — | — | — | — | 1 | — | — |
Temp °C | 29 | 29 | 30 | 31 | 30 | 30 | 28 | 29 | 29 | 29 | 30 | 30 | 30 | 29 | 29 | 29 | 29 | 28 | 29 | 30 | 30 | 29 | 29 |
Feels °C | 34 | 32 | 33 | 32 | 31 | 34 | 31 | 31 | 31 | 32 | 34 | 32 | 33 | 32 | 31 | 31 | 33 | 33 | 33 | 33 | 31 | 30 | 31 |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | 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 8 | E 8 | E 9 | SE 3 | SSE 3 | E 9 | E 8 | E 8 | E 8 |
| kJ | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 2 | 1 | 6 | 6 | 6 | 5 |
Swell 2 Height (m) Direction Period (s) | — | NE 6 | NE 6 | NE 6 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 8 | NE 8 | NE 9 | NE 9 | NE 9 | E 9 | E 9 | NE 10 | NE 10 | NE 9 | NE 9 |
| kJ | — | 1 | 1 | 1 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 3 | 3 | 3 | 6 | 6 | 4 | 4 | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | NE 6 | — | — | NE 9 | NE 6 | — | E 5 | — | — | — | N 9 | N 9 | — | — | — | E 14 | — | NE 9 | E 3 | E 13 | E 13 | E 13 | E 13 |
| kJ | 1 | — | — | 3 | 1 | — | 1 | — | — | — | 2 | 2 | — | — | — | 4 | — | 3 | 1 | 4 | 3 | 3 | 3 |
Wind waves Height (m) Direction Period (s) | SSW 3 | — | — | — | S 3 | SSE 3 | SSE 3 | SSE 3 | SSE 3 | SSE 3 | SSE 3 | SSE 3 | SE 3 | SE 3 | SSE 3 | SSE 3 | SSE 3 | SSE 3 | — | SE 3 | SE 3 | SE 3 | SE 3 |
| kJ | 1 | — | — | — | 5 | 4 | 3 | 3 | 3 | 3 | 2 | 1 | 2 | 2 | 2 | 1 | 2 | 2 | — | 3 | 5 | 4 | 3 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 353 | 353 | 353 | 407 | 327 | 942 | 915 | 731 | 862 | 369 | 353 | 1686 | 731 | 731 | 731 | 692 | 375 | 327 | 1210 | 448 | 353 | 314 | 236 |
Best forecast wave conditions in South Florida | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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