Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
21st Street (Miami) surfForecast / Florida – South / USA
48hr Weather and Surf, issued 6 pm Tuesday 30 Dec 2025 ESTForecast 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
25.1° C
(Which is 1.4°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 2AM is: 1.2m 7s primary swell from a North direction and 0.2m 11s secondary swell from a North-northeast direction, 0.1m 9s secondary swell from a East direction (forecast issued at 06:00pm December 30). The wind direction is predicted to be cross-offshore.
| Time (EST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Dec) | 3.5ft (1.1m) | 7s |
| Afternoon (31 Dec) | 3.5ft (1.1m) | 7s |
| Evening (31 Dec) | 3ft (0.9m) | 7s |
Table - waves today at 21st Street (Miami). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 30 | Wednesday 31 | Thursday 01 | Friday 02 | |||||||||||||||||||||
| 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 186 | 223 | 212 | 155 | 150 | 121 | 131 | 106 | 114 | 91 | 84 | 82 | 69 | 45 | 52 | 38 | 31 | 27 | 27 | 28 | 27 | 20 | 12 | 12 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | glass |
High Tide / height (m) | 4:12PM 0.78 | 5:10AM 0.85 | 5:12PM 0.80 | 6:08AM 0.88 | 6:11PM 0.83 | 7:03AM 0.91 | ||||||||||||||||||
Low Tide / height (m) | 10:38PM -0.10 | 11:16AM 0.08 | 11:36PM -0.14 | 12:14PM 0.04 | 12:33AM -0.17 | |||||||||||||||||||
Tuesday 30 | Wednesday 31 | Thursday 01 | Friday 02 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:07 | - | - | - | - | - | - | - | 7:07 | - |
| Sunset | 5:38 | - | - | - | - | - | - | - | 5:39 | - | - | - | - | - | - | - | 5:39 | - | - | - | - | - | - | - |
 |  |  |  | | | | | | | | | | | | | | | | | | | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 18 | 17 | 16 | 15 | 13 | 11 | 11 | 15 | 17 | 16 | 15 | 13 | 12 | 11 | 12 | 16 | 18 | 18 | 18 | 17 | 16 | 16 | 17 | 18 |
| Feels °C (?) | 10 | 10 | 9 | 8 | 6 | 4 | 4 | 9 | 11 | 10 | 9 | 6 | 7 | 6 | 7 | 12 | 14 | 15 | 14 | 14 | 13 | 13 | 15 | 17 |
- 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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