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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 pm Saturday 09 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
27.4° C
(Which is 1.1°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 5PM is: 0.3m 8s primary swell from a Northeast direction and 0.1m 7s secondary swell from a East direction, 0.5m 3s secondary swell from a South direction (forecast issued at 01:00pm May 09). The wind direction is predicted to be cross-shore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 May) | 0.5ft (0.2m) | 9s |
| Afternoon (09 May) | 0.5ft (0.2m) | 8s |
| Evening (09 May) | 0.5ft (0.2m) | 8s |
Table - waves today at 21st Street (Miami). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 28°C on Sat afternoon, min 27°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Sat 9 | Sunday 10 | Monday 11 | Tue 12 | |||||||||||||||||||||
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 | 2 AM | 5 AM | 8 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NNE 9 | NNE 8 | NE 8 | NNE 8 | NNE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | SSE 4 | SSE 5 | SE 5 | NE 9 | NE 9 | NE 9 | SE 4 | SE 4 | SE 4 | SSE 5 | SE 5 | SE 5 | E 4 | E 4 | |
8 | 7 | 11 | 7 | 7 | 13 | 13 | 12 | 12 | 12 | 16 | 15 | 18 | 13 | 13 | 12 | 13 | 17 | 20 | 18 | 20 | 20 | 3 | 3 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross | cross | cross-off | |
High Tide | 2:31PM0.62m | 3:08AM0.67m | 3:37PM0.65m | 4:04AM0.69m | 4:39PM0.70m | 4:56AM0.72m | ||||||||||||||||||
Low Tide | 8:28AM0.20m | 8:45PM0.16m | 9:26AM0.16m | 9:48PM0.15m | 10:22AM0.11m | 10:48PM0.12m | ||||||||||||||||||
 |  | |  |  | | | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:35 | — |
 | — | — | 7:54 | — | — | — | — | — | — | — | 7:55 | — | — | — | — | — | — | — | 7:55 | — | — | — | — | 7:57 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 27 | 27 | 27 | 27 | 27 |
30 | 28 | 28 | 29 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 27 | 29 | 29 | 29 | 29 | 29 | 30 | 31 | |
Swell 1 Height (m) Direction Period (s) | NNE 9 | NNE 8 | NE 8 | NNE 8 | NNE 9 | SSE 4 | NE 9 | NE 9 | NE 9 | NE 9 | NNE 7 | NE 9 | NNE 9 | NE 9 | NE 9 | NE 9 | NNE 9 | NE 9 | NNE 9 | E 4 | NNE 9 | NNE 8 | SSE 5 | SSE 5 |
 kJ | 8 | 7 | 11 | 7 | 7 | 3 | 13 | 12 | 12 | 12 | 5 | 12 | 8 | 12 | 12 | 12 | 8 | 12 | 8 | 6 | 7 | 7 | 8 | 5 |
Swell 2 Height (m) Direction Period (s) | — | E 7 | E 7 | — | — | NE 9 | E 4 | E 4 | NNE 7 | NNE 7 | NNE 9 | NNE 7 | NNE 7 | E 8 | E 8 | E 8 | E 8 | E 12 | E 12 | NNE 9 | E 8 | E 8 | E 4 | E 4 |
| kJ | — | 1 | 1 | — | — | 13 | 2 | 2 | 4 | 4 | 7 | 4 | 4 | 1 | 1 | 1 | 1 | 3 | 3 | 7 | 1 | 1 | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | E 7 | — | — | N 6 | N 6 | — | N 6 | N 6 | — | — | E 8 | E 8 | E 8 | E 12 | E 12 | E 12 | E 12 | E 12 | N 6 | E 8 | E 12 | E 12 | NE 8 | NE 8 |
| kJ | 1 | — | — | 1 | 1 | — | 2 | 2 | — | — | 1 | 1 | 1 | 3 | 3 | 3 | 3 | 3 | 1 | 1 | 3 | 3 | 3 | 3 |
Wind waves Height (m) Direction Period (s) | — | SSE 3 | S 3 | S 3 | SSE 4 | — | SSE 4 | SSE 4 | SE 3 | SSE 4 | SSE 4 | SSE 5 | SE 5 | SE 4 | SE 4 | ESE 4 | SE 4 | SE 4 | SE 4 | SSE 5 | SE 5 | SE 5 | — | — |
| kJ | — | 1 | 5 | 6 | 4 | — | 3 | 3 | 4 | 9 | 16 | 15 | 18 | 13 | 13 | 11 | 13 | 17 | 20 | 18 | 20 | 20 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1043 | 1292 | 375 | 915 | 129 | 146 | 129 | 129 | 234 | 359 | 353 | 1137 | 448 | 232 | 862 | 862 | 1178 | 448 | 365 | 427 | 146 | 236 | 609 | 234 |
Best forecast wave conditions in South Florida | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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