Surf Forecasts:
How big are the waves at 21st Street (Miami) today (20 Sep):
- Morning surf: Morning surf (20 Sep, local time) - 1.5ft (0.4m), 7s period with NE swell.
- Afternoon surf: Afternoon surf (20 Sep, local time) - 1.5ft (0.4m), 7s period with NE swell.
- Evening surf: Evening surf (20 Sep, local time) - 1ft (0.3m), 7s period with NE swell.
The current surf forecast for 21st Street (Miami) at 4PM is: 0.4m 7s primary swell from a Northeast direction and 0.1m 8s secondary swell from a East direction (forecast issued at 07:00am September 20). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | 1.5ft (0.4m) | 7s |
| Afternoon (20 Sep) | 1.5ft (0.4m) | 7s |
| Evening (20 Sep) | 1ft (0.3m) | 7s |
Table - waves today at 21st Street (Miami). (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 29mm), heaviest during Mon night. Warm (max 29°C on Sun afternoon, min 27°C on Sun morning). Wind will be generally light. | |||||||||||||||||||||||
Sunday 20 | Monday 21 | Tuesday 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) | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 9 | NE 8 | NE 8 | NE 8 | NE 8 | NE 7 | NE 7 | NE 7 | NE 7 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 14 | 14 | 14 | 14 | 14 | 8 | 8 | 7 | 7 | 7 | 5 | 5 | 5 | 4 | 8 | 18 | 17 | 15 | 14 | 14 | 14 | 13 | 12 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-off | glassy | cross-on | cross-on | cross-on | glassy | cross | cross-off | cross-off | cross | cross | cross-on | cross | cross |
High Tide | 3:30AM0.71m | 4:33PM0.77m | 4:39AM0.73m | 5:29PM0.80m | 5:39AM0.77m | 6:16PM0.84m | |||||||||||||||||
Low Tide | 9:55AM0.28m | 10:45PM0.37m | 10:59AM0.27m | 11:40PM0.33m | 11:54AM0.24m | ||||||||||||||||||
 |  | |  |  |  | |  | | | | | | | | | | | | | | | | |
 | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — |
 | — | — | — | — | 7:19 | — | — | — | — | — | — | — | 7:17 | — | — | — | — | — | — | — | 7:16 | — | — |
mm | — | — | — | 2 | — | 1 | 1 | — | — | 1 | 1 | 1 | 1 | 5 | 5 | 1 | — | — | — | 1 | 1 | 5 | 3 |
Temp °C | 27 | 27 | 28 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 28 | 28 |
Feels °C | 31 | 31 | 31 | 31 | 31 | 30 | 30 | 30 | 31 | 31 | 31 | 30 | 30 | 31 | 32 | 29 | 29 | 31 | 32 | 31 | 30 | 29 | 31 |
Swell 1 Height (m) Direction Period (s) | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 6 | NE 8 | NE 8 | NE 8 | NE 8 | NE 7 | NE 7 | NE 7 | NE 7 |
| kJ | 14 | 14 | 14 | 14 | 14 | 8 | 8 | 7 | 7 | 7 | 5 | 5 | 5 | 4 | 4 | 18 | 17 | 15 | 14 | 14 | 14 | 13 | 12 |
Swell 2 Height (m) Direction Period (s) | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | — | E 8 | E 7 | E 7 | NNE 9 | NNE 6 | NNE 6 | E 8 | S 3 | E 8 | E 8 | E 8 | E 8 |
| kJ | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — | 1 | 1 | 1 | 8 | 4 | 4 | 1 | 1 | 1 | 1 | 1 | 1 |
Swell 3 Height (m) Direction Period (s) | E 9 | E 8 | E 8 | E 8 | E 6 | E 6 | E 6 | — | E 8 | E 8 | E 8 | — | N 10 | NE 10 | E 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
| kJ | 2 | 1 | 1 | 1 | 1 | 1 | 1 | — | 1 | 1 | 1 | — | 2 | 4 | 4 | 4 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 3 | — | SSE 3 | SE 3 | SSE 3 | SE 4 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 1 | 2 | 1 | 2 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 234 | 915 | 407 | 353 | 324 | 324 | 369 | 353 | 327 | 325 | 325 | 325 | 324 | 353 | 369 | 232 | 232 | 232 | 324 | 353 | 1744 | 1326 | 862 |
Best forecast wave conditions in South Florida | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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