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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 Wednesday 29 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
26.2° C
(Which is slightly warmer than usual)How big are the waves at 21st Street (Miami) today?
The current surf forecast for 21st Street (Miami) at 4AM is: 0.8m 11s primary swell from a North-northeast direction and 0.2m 3s secondary swell from a South direction (forecast issued at 07:00pm April 29). An open ocean swell of 0.1m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Apr) | 2.5ft (0.8m) | 11s |
| Afternoon (30 Apr) | 2.5ft (0.7m) | 10s |
| Evening (30 Apr) | 2ft (0.6m) | 10s |
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 29°C on Sat afternoon, min 24°C on Thu morning). Winds decreasing (fresh winds from the SSE on Thu afternoon, light winds from the W by Fri morning). | ||||||||||||||||||||||||
Wed 29 | Thursday 30 | Friday 1 | Sat 2 | |||||||||||||||||||||
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 |  |    |    |    | ||||||||||||||||||||
NNE 9 | NNE 9 | NNE 9 | NNE 11 | NNE 11 | NNE 11 | NE 10 | NE 10 | NNE 10 | NNE 10 | NNE 10 | NNE 10 | NNE 10 | NNE 10 | NE 10 | NE 10 | NNE 10 | NNE 10 | NE 11 | NNE 11 | NNE 10 | NE 10 | NE 10 | NNE 10 | |
101 | 68 | 70 | 151 | 149 | 146 | 110 | 106 | 90 | 68 | 69 | 69 | 68 | 67 | 49 | 48 | 65 | 68 | 35 | 76 | 68 | 50 | 50 | 39 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross | cross | cross-off | cross-off | cross-off | cross | cross-on | cross | cross-off | cross-off | cross-off | off | off | cross | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | |
High Tide | 8:00PM0.84m | 8:03AM0.79m | 8:39PM0.85m | 8:39AM0.78m | 9:16PM0.84m | 9:13AM0.77m | ||||||||||||||||||
Low Tide | 2:06AM0.05m | 2:17PM-0.06m | 2:44AM0.06m | 2:52PM-0.06m | 3:20AM0.08m | |||||||||||||||||||
 |  | | | | | | | | | | | |  | | | | | | | | | | | |
 | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:43 | — | — | — |
 | 7:50 | — | — | — | — | — | — | — | 7:51 | — | — | — | — | — | — | — | 7:51 | — | — | — | — | — | — | 7:52 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 25 | 25 | 25 | 25 | 25 | 24 | 25 | 26 | 26 | 26 | 26 | 25 | 24 | 24 | 25 | 26 | 27 | 26 | 26 | 25 | 25 | 26 | 27 | 28 |
25 | 25 | 26 | 27 | 27 | 26 | 25 | 25 | 23 | 24 | 26 | 25 | 25 | 25 | 26 | 25 | 25 | 24 | 27 | 26 | 25 | 26 | 27 | 28 | |
Swell 1 Height (m) Direction Period (s) | NNE 9 | NNE 9 | NNE 9 | NNE 11 | NNE 11 | NNE 11 | NE 10 | NE 10 | NNE 10 | NNE 10 | NNE 10 | NNE 10 | NNE 10 | NNE 10 | NE 10 | NE 10 | NNE 10 | NNE 10 | NNE 9 | NNE 11 | NNE 10 | NE 10 | NE 10 | NNE 10 |
 kJ | 101 | 68 | 70 | 151 | 149 | 146 | 110 | 106 | 90 | 68 | 69 | 69 | 68 | 67 | 49 | 48 | 65 | 68 | 35 | 76 | 68 | 50 | 50 | 39 |
Swell 2 Height (m) Direction Period (s) | NNE 12 | NE 12 | NNE 12 | SSE 3 | SE 6 | SE 6 | — | E 6 | E 6 | E 6 | E 6 | S 3 | S 3 | S 3 | SE 6 | E 6 | E 6 | E 6 | NE 11 | E 6 | E 6 | E 6 | E 10 | E 10 |
| kJ | 15 | 36 | 52 | 1 | 2 | 2 | — | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 2 | 1 | 1 | 1 | 31 | 1 | 1 | 1 | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | E 6 | E 6 | E 6 | — | E 6 | — | — | — | — | — | — | E 6 | E 6 | E 6 | E 6 | — | — | — | N 6 | — | — | E 10 | E 6 | — |
| kJ | 1 | 1 | 1 | — | 1 | — | — | — | — | — | — | 1 | 1 | 1 | 1 | — | — | — | 1 | — | — | 2 | 1 | — |
Wind waves Height (m) Direction Period (s) | ESE 3 | SE 3 | SE 3 | S 3 | — | — | SSE 6 | SSE 2 | SSE 3 | S 3 | S 3 | — | SW 3 | — | — | — | SSE 3 | S 3 | SSE 3 | SSE 3 | SSE 3 | S 3 | S 4 | SSE 4 |
| kJ | 4 | 3 | 2 | 1 | — | — | 4 | 1 | 6 | 8 | 6 | — | 1 | — | — | — | 3 | 5 | 3 | 2 | 3 | 5 | 9 | 16 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 292 | 314 | 314 | 11 | 3 | 11 | 11 | 121 | 146 | 292 | 60 | 11 | 11 | 11 | 127 | 292 | 292 | 292 | 60 | 60 | 66 | 100 | 232 | 173 |
Best forecast wave conditions in South Florida | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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