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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 Thursday 23 Apr 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
26.4° C
(Which is 1.2°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 9PM is: 0.9m 5s primary swell from a East-southeast direction and 0.6m 7s secondary swell from a Northeast direction, 0.2m 9s secondary swell from a North-northeast direction (forecast issued at 01:00pm April 23). The wind direction is predicted to be onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Apr) | 2.5ft (0.7m) | 7s |
| Afternoon (23 Apr) | 4ft (1.2m) | 5s |
| Evening (23 Apr) | 3ft (0.9m) | 5s |
Table - waves today at 21st Street (Miami). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 16mm), heaviest on Fri morning. Warm (max 24°C on Sat afternoon, min 19°C on Fri morning). Winds decreasing (fresh winds from the ESE on Thu afternoon, calm by Sun morning). | ||||||||||||||||||||||||
Thu 23 | Friday 24 | Saturday 25 | Sun 26 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
NE 7 | ESE 5 | ESE 5 | ESE 5 | ESE 5 | NE 8 | ESE 5 | NE 8 | NE 8 | NE 8 | NE 7 | NE 7 | NE 11 | NE 11 | NE 11 | NE 10 | NE 10 | NE 10 | NE 9 | NE 9 | NE 9 | NNE 9 | NNE 8 | NNE 8 | |
56 | 69 | 81 | 58 | 44 | 49 | 29 | 28 | 28 | 19 | 16 | 16 | 25 | 41 | 29 | 25 | 24 | 24 | 14 | 13 | 12 | 8 | 7 | 7 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | on | cross-on | cross-on | cross-on | on | on | cross-on | on | on | on | on | on | cross-on | on | on | on | on | glassy | glassy | glassy | |
High Tide | 2:04PM0.72m | 2:56AM0.76m | 3:20PM0.71m | 4:04AM0.75m | 4:33PM0.72m | 5:06AM0.75m | ||||||||||||||||||
Low Tide | 8:26PM0.02m | 9:12AM0.11m | 9:39PM0.05m | 10:21AM0.09m | 10:49PM0.06m | |||||||||||||||||||
 |  | |  | |  | |  |  |  | | | | |  |  | | | | | | | | | |
 | — | — | — | — | — | — | 6:48 | — | — | — | — | — | — | — | 6:48 | — | — | — | — | — | — | — | 6:48 | — |
 | — | — | 7:46 | — | — | — | — | — | — | — | 7:47 | — | — | — | — | — | — | — | 7:47 | — | — | — | — | 7:49 |
— | 1 | — | — | — | — | — | 5 | 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 20 | 19 | 21 | 21 | 21 | 22 | 22 | 23 | 23 | 23 | 24 | 24 | 23 | 24 | 23 | 23 | 23 |
20 | 19 | 18 | 18 | 18 | 20 | 20 | 19 | 17 | 18 | 19 | 20 | 21 | 21 | 23 | 23 | 23 | 23 | 23 | 22 | 24 | 24 | 24 | 25 | |
Swell 1 Height (m) Direction Period (s) | NE 7 | NNE 7 | NNE 7 | NE 7 | NE 7 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 7 | NE 7 | NE 8 | NE 11 | NE 11 | NE 10 | NE 10 | NE 10 | NE 9 | NE 9 | NE 9 | E 3 | E 3 | E 3 |
 kJ | 56 | 36 | 35 | 41 | 44 | 49 | 29 | 28 | 28 | 14 | 14 | 14 | 15 | 41 | 29 | 25 | 24 | 24 | 14 | 13 | 12 | 2 | 1 | 1 |
Swell 2 Height (m) Direction Period (s) | NE 5 | — | — | NNE 9 | — | E 7 | E 7 | E 7 | E 7 | NNE 10 | NNE 10 | NNE 10 | NE 11 | E 7 | E 7 | E 7 | SSE 4 | SSE 4 | SSE 4 | SSE 4 | SSE 4 | NNE 9 | NNE 8 | E 7 |
| kJ | 6 | — | — | 8 | — | 4 | 4 | 4 | 4 | 10 | 10 | 10 | 18 | 4 | 4 | 4 | 1 | 1 | 1 | 2 | 2 | 8 | 7 | 4 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | NE 10 | E 7 | E 7 | E 7 | — | — | E 7 | E 8 | E 7 | E 7 | E 7 | E 7 | — | E 7 | E 7 | NNE 8 |
| kJ | — | — | — | — | — | — | — | — | 4 | 4 | 4 | 4 | — | — | 4 | 1 | 4 | 4 | 4 | 4 | — | 4 | 4 | 7 |
Wind waves Height (m) Direction Period (s) | ESE 5 | ESE 5 | ESE 5 | ESE 5 | ESE 5 | ESE 5 | ESE 5 | SE 4 | SE 4 | SE 4 | SE 4 | SE 4 | ESE 4 | ESE 4 | ESE 4 | ESE 4 | E 4 | E 4 | E 3 | E 3 | E 3 | — | — | — |
| kJ | 31 | 69 | 81 | 58 | 42 | 32 | 27 | 21 | 18 | 19 | 16 | 16 | 25 | 21 | 12 | 6 | 2 | 2 | 1 | 1 | 2 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 941 | 1178 | 915 | 862 | 448 | 326 | 222 | 326 | 232 | 314 | 865 | 865 | 360 | 173 | 127 | 154 | 232 | 1270 | 1415 | 500 | 232 | 524 | 746 | 353 |
Best forecast wave conditions in South Florida | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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