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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 7 pm Thursday 21 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 1.0°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 10PM is: 0.9m 4s primary swell from a East-southeast direction and 0.1m 9s secondary swell from a Northeast direction, 0.3m 8s secondary swell from a East direction (forecast issued at 07:00pm May 21). The wind direction is predicted to be onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | - | - |
| Afternoon (21 May) | 2.5ft (0.8m) | 4s |
| Evening (21 May) | 2.5ft (0.7m) | 4s |
Table - waves today at 21st Street (Miami). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Sat afternoon. Warm (max 28°C on Fri afternoon, min 26°C on Thu night). Mainly fresh winds. | ||||||||||||||||||||||||
Thu 21 | Friday 22 | Saturday 23 | Sun 24 | |||||||||||||||||||||
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 | 11 AM | 2 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
ESE 4 | E 4 | ESE 4 | ESE 5 | ESE 5 | ESE 5 | ESE 5 | SE 5 | E 8 | E 8 | ESE 4 | ESE 4 | ESE 4 | ESE 4 | ESE 4 | ESE 4 | ESE 5 | ESE 5 | ESE 4 | ESE 5 | ESE 5 | ESE 5 | ESE 5 | ESE 5 | |
26 | 16 | 31 | 37 | 32 | 32 | 25 | 23 | 46 | 46 | 18 | 30 | 29 | 30 | 25 | 26 | 27 | 30 | 34 | 56 | 52 | 44 | 46 | 44 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | cross-on | on | cross-on | cross-on | on | |
High Tide | 1:30AM0.81m | 1:54PM0.74m | 2:32AM0.77m | 3:04PM0.73m | 3:34AM0.75m | |||||||||||||||||||
Low Tide | 7:04PM-0.03m | 7:47AM0.05m | 8:10PM0.02m | 8:51AM0.06m | 9:17PM0.07m | 9:54AM0.05m | ||||||||||||||||||
 | |  | | |  | | | | |  | | | | | |  | | | | | | | | |
 | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:31 | — | — | — |
 | — | 8:01 | — | — | — | — | — | — | — | 8:01 | — | — | — | — | — | — | — | 8:02 | — | — | — | — | — | 8:02 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | |
Temp °C | 27 | 27 | 27 | 26 | 26 | 27 | 27 | 27 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
27 | 27 | 27 | 25 | 26 | 27 | 27 | 28 | 29 | 27 | 27 | 27 | 28 | 28 | 27 | 28 | 28 | 27 | 26 | 26 | 27 | 27 | 27 | 27 | |
Swell 1 Height (m) Direction Period (s) | E 9 | SSE 5 | NE 9 | E 8 | E 8 | E 8 | E 8 | E 8 | S 5 | SSE 5 | NE 9 | NE 9 | E 8 | E 8 | E 8 | E 8 | E 8 | NE 8 | NE 8 | NE 8 | E 8 | E 8 | E 8 | NE 8 |
 kJ | 13 | 7 | 3 | 12 | 12 | 12 | 22 | 21 | 13 | 8 | 3 | 3 | 12 | 12 | 12 | 12 | 12 | 3 | 3 | 3 | 11 | 11 | 11 | 3 |
Swell 2 Height (m) Direction Period (s) | NE 9 | E 8 | — | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 8 | NE 9 | — | — | NE 8 | NE 8 | NE 8 | NE 8 |
| kJ | 3 | 13 | — | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | — | — | 3 | 3 | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | NE 9 | NE 9 | — | — | — | — | — | NE 9 | NE 5 | NE 9 | — | — | — | — | — | — | NE 9 | — | — | — | — | — | — | — |
| kJ | 3 | 3 | — | — | — | — | — | 3 | 1 | 3 | — | — | — | — | — | — | 3 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ESE 4 | E 4 | ESE 4 | ESE 5 | ESE 5 | ESE 5 | ESE 5 | SE 5 | E 8 | E 8 | ESE 4 | ESE 4 | ESE 4 | ESE 4 | ESE 4 | ESE 4 | ESE 5 | ESE 5 | ESE 4 | ESE 5 | ESE 5 | ESE 5 | ESE 5 | ESE 5 |
| kJ | 26 | 16 | 31 | 37 | 32 | 32 | 25 | 23 | 46 | 46 | 18 | 30 | 29 | 30 | 25 | 26 | 27 | 30 | 34 | 56 | 52 | 44 | 46 | 44 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1686 | 461 | 517 | 338 | 338 | 338 | 338 | 338 | 1137 | 338 | 915 | 421 | 222 | 222 | 1149 | 845 | 845 | 1221 | 596 | 941 | 448 | 360 | 517 | 1246 |
Best forecast wave conditions in South Florida | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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