Surf Forecasts:
How big are the waves at 21st Street (Miami) today (12 Sep):
- Morning surf: Morning surf (12 Sep, local time) - 2ft (0.6m), 4s period with SE swell.
- Afternoon surf: Afternoon surf (12 Sep, local time) - 1.5ft (0.5m), 4s period with SE 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 4AM is: 0.6m 3s primary swell from a East-southeast direction and 0.2m 6s secondary swell from a North-northeast direction, 0.2m 8s secondary swell from a East direction (forecast issued at 01:00am September 12). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Sep) | 2ft (0.6m) | 4s |
| Afternoon (12 Sep) | 1.5ft (0.5m) | 4s |
| Evening (12 Sep) | 0.5ft (0.2m) | 8s |
Table - waves today at 21st Street (Miami). (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 19mm), heaviest on Sat night. Warm (max 30°C on Sat afternoon, min 26°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 12 | Sunday 13 | Monday 14 | ||||||||||||||||||||||
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 | 5 PM | 8 PM | 11 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | ESE 3 | SE 4 | SE 4 | ESE 4 | SE 4 | SE 4 | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 | SE 4 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 6 | 10 | 12 | 10 | 7 | 8 | 5 | 5 | 6 | 6 | 6 | 6 | 7 | 6 | 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 | on | cross-on | cross-off | cross-on | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | 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 | — | 1 | 7 | 5 | — | — | 1 | — | — | 1 | 1 | — | — | — | — | — | — | — | — | 1 |
Temp °C | 29 | 29 | 29 | 29 | 30 | 30 | 29 | 26 | 28 | 29 | 29 | 29 | 30 | 30 | 29 | 29 | 29 | 28 | 28 | 29 | 30 | 29 | 29 | 29 |
Feels °C | 31 | 31 | 32 | 32 | 34 | 32 | 31 | 28 | 31 | 32 | 32 | 32 | 32 | 31 | 32 | 32 | 32 | 31 | 33 | 33 | 33 | 31 | 32 | 32 |
Swell 1 Height (m) Direction Period (s) | NNE 6 | NNE 6 | NNE 6 | E 8 | E 8 | E 8 | E 4 | SSE 4 | E 4 | E 4 | E 5 | E 5 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 |
| kJ | 4 | 4 | 4 | 5 | 5 | 5 | 3 | 3 | 3 | 3 | 2 | 2 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
Swell 2 Height (m) Direction Period (s) | NE 9 | E 8 | E 8 | NE 6 | NE 6 | NE 6 | SSE 4 | E 8 | E 8 | E 8 | E 8 | E 9 | NE 9 | — | — | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 |
| kJ | 3 | 5 | 5 | 1 | 1 | 1 | 3 | 5 | 6 | 6 | 6 | 6 | 3 | — | — | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | E 8 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | E 8 | NE 6 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 9 | NE 9 | — | NE 9 | NE 9 | — | — | NE 9 | — | N 11 | NE 11 |
| kJ | 1 | 3 | 3 | 3 | 3 | 3 | 5 | 1 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | — | 3 | 3 | — | — | 3 | — | 2 | 5 |
Wind waves Height (m) Direction Period (s) | ESE 3 | SE 4 | SE 4 | ESE 4 | SE 4 | SE 4 | — | E 4 | SSE 4 | SSE 4 | SSE 4 | SSE 4 | SE 4 | SSE 4 | SSE 4 | SSE 4 | SSE 4 | SSE 4 | SSE 4 | SSE 4 | SE 2 | SE 3 | SE 3 | SE 3 |
| kJ | 6 | 10 | 12 | 10 | 7 | 8 | — | 3 | 5 | 6 | 5 | 3 | 7 | 6 | 6 | 3 | 3 | 3 | 2 | 2 | 1 | 3 | 2 | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1149 | 448 | 377 | 394 | 841 | 1634 | 1650 | 1137 | 448 | 360 | 326 | 314 | 234 | 234 | 359 | 1202 | 314 | 234 | 234 | 234 | 234 | 375 | 991 | 1677 |
Best forecast wave conditions in South Florida | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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