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21st Street (Miami) Surf Forecast
/ Florida – South (39 breaks) / Florida (155 breaks) /
Surf Forecasts:
21st Street (Miami) surfForecast / Florida – South / USA
48hr Weather and Surf, issued 1 am Monday 11 May 2026 EDTForecast update in hr min s Forecast update imminent
21st Street (Miami) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's 21st Street (Miami) sea temperature is
28.1° C
(Which is 1.6°C warmer than normal for this time of year)How big are the waves at 21st Street (Miami) today?
The current surf forecast for 21st Street (Miami) at 7AM is: 0.3m 9s primary swell from a Northeast direction and 0.3m 5s secondary swell from a East direction, 0.3m 4s secondary swell from a South-southeast direction (forecast issued at 01:00am May 11). The wind direction is predicted to be cross-shore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 May) | 1ft (0.3m) | 9s |
| Afternoon (11 May) | 1.5ft (0.5m) | 4s |
| Evening (11 May) | 0.5ft (0.2m) | 9s |
Table - waves today at 21st Street (Miami). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 29mm), heaviest during Wed night. Warm (max 28°C on Mon morning, min 25°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 11 | Tuesday 12 | Wednesday 13 | ||||||||||||||||||||||
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 | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
NE 9 | NE 9 | NE 9 | NE 9 | NNE 9 | S 4 | NNE 9 | NNE 9 | E 4 | E 5 | E 7 | E 7 | SE 3 | SE 3 | ESE 3 | ESE 3 | ESE 3 | ESE 4 | ESE 4 | NNE 8 | N 8 | NNE 8 | NNE 8 | NNE 8 | |
12 | 12 | 12 | 12 | 8 | 9 | 7 | 7 | 3 | 3 | 4 | 4 | 3 | 3 | 3 | 3 | 4 | 5 | 6 | 14 | 46 | 79 | 85 | 83 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross | cross | cross-on | cross-on | cross-on | cross | cross | on | cross-on | glassy | on | on | on | on | cross-on | on | on | cross-on | cross-on | cross-on | cross | cross | glassy | |
High Tide | 4:04AM0.69m | 4:39PM0.70m | 4:56AM0.72m | 5:34PM0.77m | 5:46AM0.77m | 6:27PM0.84m | ||||||||||||||||||
Low Tide | 10:22AM0.11m | 10:48PM0.12m | 11:14AM0.04m | 11:43PM0.09m | 12:03PM-0.04m | |||||||||||||||||||
 |  |  | | |  | |  | | | |  | | | | | | | | | | | | | |
 | — | 6:37 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:55 | — | — | — | — | — | — | — | 7:57 | — | — | — | — | — | — | — | 7:57 | — | — |
— | — | — | — | — | — | — | 3 | — | — | — | 1 | 1 | — | 1 | 4 | — | — | — | — | 1 | 4 | 13 | 1 | |
Temp °C | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 26 | 27 | 27 | 27 | 27 | 27 | 28 | 27 | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 25 | 26 |
30 | 29 | 29 | 29 | 29 | 29 | 30 | 27 | 28 | 29 | 31 | 30 | 29 | 29 | 28 | 27 | 26 | 27 | 29 | 29 | 29 | 29 | 28 | 30 | |
Swell 1 Height (m) Direction Period (s) | NE 9 | E 5 | E 5 | E 5 | E 5 | E 5 | E 4 | SSE 5 | SSE 5 | SSE 4 | SSE 4 | E 7 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 8 | NE 8 | NNE 8 | N 8 | NNE 8 | NNE 8 | NNE 8 |
 kJ | 12 | 5 | 4 | 4 | 4 | 4 | 4 | 7 | 4 | 2 | 2 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 14 | 46 | 79 | 85 | 83 |
Swell 2 Height (m) Direction Period (s) | E 5 | SSE 4 | NE 9 | NE 9 | NNE 9 | NE 9 | NNE 9 | E 4 | E 4 | NE 8 | E 7 | NE 8 | E 11 | E 7 | E 11 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 4 | E 4 |
| kJ | 2 | 4 | 12 | 12 | 8 | 3 | 7 | 2 | 2 | 3 | 4 | 3 | 2 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 3 | 1 |
Swell 3 Height (m) Direction Period (s) | E 12 | NE 9 | E 12 | E 12 | E 12 | NE 6 | E 12 | NNE 9 | NE 8 | E 5 | NE 8 | E 11 | E 11 | E 11 | NE 9 | E 11 | E 11 | E 10 | N 9 | NE 9 | E 10 | E 10 | E 7 | E 7 |
| kJ | 3 | 12 | 3 | 3 | 3 | 1 | 3 | 7 | 3 | 2 | 3 | 2 | 2 | 2 | 3 | 2 | 2 | 2 | 2 | 3 | 2 | 2 | 1 | 1 |
Wind waves Height (m) Direction Period (s) | SSE 5 | — | SSE 4 | SSE 4 | SSE 4 | S 4 | SSE 4 | — | — | — | SE 3 | SSE 4 | SE 3 | SE 3 | ESE 3 | ESE 3 | ESE 3 | ESE 4 | ESE 4 | ESE 4 | ESE 4 | ESE 4 | SSE 4 | SSE 4 |
| kJ | 9 | — | 3 | 4 | 6 | 9 | 6 | — | — | — | 1 | 1 | 2 | 2 | 3 | 3 | 4 | 5 | 6 | 6 | 6 | 5 | 1 | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 234 | 448 | 862 | 1236 | 1562 | 1666 | 448 | 232 | 731 | 731 | 731 | 359 | 359 | 389 | 427 | 421 | 400 | 373 | 145 | 92 | 314 | 314 | 314 | 11 |
Best forecast wave conditions in South Florida | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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