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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 09 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
25.6° 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 8PM is: 2.5m 10s primary swell from a Northeast direction (forecast issued at 01:00pm April 09). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Apr) | 10ft (3.0m) | 10s |
| Afternoon (09 Apr) | 10ft (3.0m) | 10s |
| Evening (09 Apr) | 10ft (3.0m) | 10s |
Table - waves today at 21st Street (Miami). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 09 | Friday 10 | Saturday 11 | Sunday 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 6 | 6 | 6 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1697 | 1583 | 1583 | 1473 | 1569 | 1433 | 1264 | 1070 | 913 | 800 | 742 | 297 | 301 | 352 | 363 | 265 | 236 | 205 | 191 | 189 | 260 | 284 | 254 | 302 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | 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- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | cross- on | cross- on | on |
High Tide / height (m) | 1:55PM 0.58 | 2:56AM 0.63 | 3:04PM 0.58 | 3:58AM 0.63 | 4:14PM 0.61 | 4:55AM 0.66 | ||||||||||||||||||
Low Tide / height (m) | 8:03AM 0.23 | 8:18PM 0.13 | 9:08AM 0.23 | 9:25PM 0.15 | 10:12AM 0.20 | 10:31PM 0.13 | ||||||||||||||||||
Thursday 09 | Friday 10 | Saturday 11 | Sunday 12 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 7:01 | - | - | - | - | - | - | - | 7:01 | - | - | - | - | - | - | - | 7:00 |
| Sunset | - | - | 7:39 | - | - | - | - | - | - | - | 7:40 | - | - | - | - | - | - | - | 7:40 | - | - | - | - | - |
 | | |  |  |  | |  |  | | | | | | |  | | | |  | | | | | |
Rain (mm) | 2 | 3 | 1 | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 23 | 23 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 22 | 23 |
| Feels °C (?) | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 17 | 18 | 18 | 18 | 17 | 17 | 18 | 17 | 18 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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