Surf Forecasts:
How big are the waves at 21st Street (Miami) today (12 Sep):
- Morning surf: Morning surf (12 Sep, local time) - 1.5ft (0.5m), 4s period with SE swell.
- Afternoon surf: Afternoon surf (12 Sep, local time) - 1.5ft (0.4m), 4s period with ESE swell.
- Evening surf: Evening surf (12 Sep, local time) - 0.5ft (0.2m), 8s period with E swell.
The current surf forecast for 21st Street (Miami) at 10AM is: 0.5m 4s primary swell from a Southeast direction and 0.1m 6s secondary swell from a Northeast direction, 0.2m 8s secondary swell from a East direction (forecast issued at 07:00am September 12). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Sep) | 1.5ft (0.5m) | 4s |
| Afternoon (12 Sep) | 1.5ft (0.4m) | 4s |
| Evening (12 Sep) | 0.5ft (0.2m) | 8s |
Table - waves today at 21st Street (Miami). (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 24mm), heaviest during Sun morning. Warm (max 30°C on Sat afternoon, min 26°C on Sun afternoon). Wind will be generally light. | |||||||||||||||||||||||
Saturday 12 | Sunday 13 | Monday 14 | |||||||||||||||||||||
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 | 5 PM | 8 PM | 11 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | ESE 4 | SE 4 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | SE 4 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 8 | 7 | 6 | 6 | 6 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | cross-on | cross | cross | cross | glassy | glassy | on | glassy | cross-on | cross-on | glassy | on | cross-on | cross-on | cross-on | on |
High Tide | 9:47AM1.02m | 10:00PM0.98m | 10:29AM1.00m | 10:38PM0.95m | 11:11AM0.96m | ||||||||||||||||||
Low Tide | 3:32AM-0.01m | 3:55PM0.05m | 4:13AM0.00m | 4:36PM0.10m | 4:52AM0.03m | 5:16PM0.16m | |||||||||||||||||
 |  | | | | | |  | | | | |  |  | | | |  | | | |  | | |
 | 7:03 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — |
 | — | — | — | — | 7:28 | — | — | — | — | — | — | — | 7:27 | — | — | — | — | — | — | — | 7:25 | — | — |
mm | 1 | 1 | 2 | 1 | 2 | 4 | 4 | — | 1 | 5 | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 29 | 29 | 29 | 30 | 30 | 30 | 28 | 29 | 29 | 29 | 29 | 26 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 29 |
Feels °C | 32 | 33 | 33 | 33 | 33 | 32 | 32 | 31 | 32 | 32 | 32 | 30 | 31 | 31 | 31 | 31 | 32 | 33 | 33 | 31 | 31 | 31 | 32 |
Swell 1 Height (m) Direction Period (s) | NNE 6 | NNE 6 | NE 6 | E 8 | E 8 | SSE 4 | SSE 4 | E 4 | E 4 | E 4 | E 4 | E 9 | E 9 | E 9 | SSE 4 | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 |
| kJ | 4 | 4 | 1 | 5 | 5 | 1 | 1 | 1 | 3 | 3 | 4 | 6 | 6 | 6 | 3 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
Swell 2 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | NE 6 | NE 6 | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 | NE 9 | NE 9 | NE 9 | E 9 | SSE 4 | NE 9 | NE 9 | SSE 4 | NE 9 | NE 9 | NE 9 | — |
| kJ | 5 | 5 | 5 | 1 | 1 | 5 | 5 | 6 | 6 | 6 | 6 | 3 | 3 | 3 | 6 | 1 | 3 | 3 | 2 | 3 | 3 | 3 | — |
Swell 3 Height (m) Direction Period (s) | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 6 | NE 6 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | — | — | — | — | N 9 | NE 9 | NE 9 | — | N 11 | NE 9 |
| kJ | 3 | 3 | 3 | 3 | 3 | 1 | 1 | 3 | 3 | 3 | 3 | 3 | 3 | — | — | — | — | 2 | 3 | 3 | — | 2 | 3 |
Wind waves Height (m) Direction Period (s) | ESE 4 | SE 4 | ESE 4 | ESE 4 | ESE 4 | E 4 | E 4 | SE 3 | SSE 4 | SSE 4 | SE 4 | SE 4 | SE 4 | SE 4 | S 4 | S 4 | SSE 4 | SSE 4 | — | SSE 4 | SE 2 | SE 3 | SSE 3 |
| kJ | 8 | 7 | 6 | 6 | 6 | 3 | 3 | 4 | 6 | 6 | 4 | 5 | 7 | 3 | 3 | 1 | 2 | 2 | — | 1 | 1 | 1 | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 448 | 1149 | 1634 | 606 | 314 | 365 | 955 | 234 | 234 | 234 | 234 | 314 | 314 | 234 | 234 | 234 | 234 | 234 | 360 | 731 | 1569 | 517 | 517 |
Best forecast wave conditions in South Florida | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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