Surf Forecasts:
How big are the waves at 21st Street (Miami) today (30 Aug):
- Afternoon surf: Afternoon surf (30 Aug, local time) - 2ft (0.6m), 4s period with E swell.
- Evening surf: Evening surf (30 Aug, local time) - 1.5ft (0.4m), 4s period with ESE swell.
The current surf forecast for 21st Street (Miami) at 11PM is: 0.2m 6s primary swell from a East direction and 0.2m 4s secondary swell from a North-northeast direction, 0.3m 4s secondary swell from a East direction (forecast issued at 07:00pm August 30). An open ocean swell of 0.3m 4s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Aug) | - | - |
| Afternoon (30 Aug) | 2ft (0.6m) | 4s |
| Evening (30 Aug) | 1.5ft (0.4m) | 4s |
Table - waves today at 21st Street (Miami). (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 12mm), heaviest on Tue morning. Warm (max 30°C on Mon afternoon, min 29°C on Sun night). Wind will be generally light. | |||||||||||||||||||
Sun 30 | Monday 31 | Tuesday 1 | |||||||||||||||||
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) | E 4 | ESE 4 | E 6 | E 8 | E 8 | E 8 | E 8 | ESE 8 | ESE 8 | ESE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 12 | E 12 | E 11 |
Wave Graph  | |||||||||||||||||||
 kJ | 9 | 6 | 3 | 5 | 12 | 12 | 12 | 21 | 21 | 20 | 10 | 10 | 10 | 5 | 5 | 4 | 11 | 11 | 39 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | cross-on | cross-on | cross-on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | on | on |
High Tide | 10:32PM0.90m | 11:02AM0.92m | 11:11PM0.89m | 11:48AM0.91m | |||||||||||||||
Low Tide | 4:28PM0.07m | 4:45AM0.01m | 5:09PM0.10m | 5:27AM0.01m | 5:53PM0.14m | ||||||||||||||
 |  | |  | | | |  | | | |  | | |  | | | | | |
 | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — |
 | 7:42 | — | — | — | — | — | — | — | 7:40 | — | — | — | — | — | — | — | 7:39 | — | — |
mm | — | — | — | 1 | 1 | — | — | — | — | 1 | 1 | — | — | — | 3 | 2 | — | — | 1 |
Temp °C | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 30 | 29 | 29 | 29 | 29 | 29 | 29 | 30 | 30 | 29 | 29 |
Feels °C | 31 | 31 | 32 | 32 | 32 | 32 | 32 | 32 | 33 | 32 | 31 | 31 | 31 | 32 | 32 | 32 | 33 | 32 | 31 |
Swell 1 Height (m) Direction Period (s) | NE 10 | NE 4 | SSE 4 | SSE 4 | E 8 | E 8 | E 8 | NE 9 | NE 9 | NE 9 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 11 |
| kJ | 4 | 3 | 4 | 4 | 12 | 12 | 12 | 3 | 3 | 3 | 10 | 10 | 10 | 5 | 5 | 4 | 4 | 5 | 39 |
Swell 2 Height (m) Direction Period (s) | E 6 | E 6 | NNE 4 | E 8 | SSE 4 | SSE 4 | NE 9 | NE 4 | NE 4 | NE 4 | NE 9 | NE 4 | NE 4 | NE 4 | NE 4 | NNE 4 | NNE 4 | E 12 | NNE 4 |
| kJ | 1 | 3 | 2 | 5 | 2 | 2 | 3 | 1 | 1 | 1 | 3 | 1 | 1 | 1 | 1 | 2 | 2 | 11 | 2 |
Swell 3 Height (m) Direction Period (s) | E 8 | NE 10 | E 6 | NE 5 | NE 4 | NE 10 | NE 4 | NE 4 | — | NE 4 | NE 4 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | E 12 | NNE 4 | NE 9 |
| kJ | 1 | 4 | 3 | 1 | 1 | 4 | 1 | 1 | — | 1 | 1 | 3 | 3 | 3 | 3 | 3 | 11 | 2 | 3 |
Wind waves Height (m) Direction Period (s) | E 4 | ESE 4 | E 4 | E 4 | E 3 | SE 3 | SSE 4 | ESE 8 | ESE 8 | ESE 8 | ESE 2 | ESE 3 | ESE 3 | ESE 3 | SE 4 | SE 4 | ESE 4 | ESE 3 | ESE 3 |
| kJ | 9 | 6 | 3 | 1 | 1 | 1 | 2 | 21 | 21 | 20 | 1 | 1 | 2 | 2 | 3 | 3 | 5 | 2 | 3 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 1601 | 915 | 731 | 338 | 326 | 204 | 173 | 314 | 314 | 731 | 731 | 941 | 955 | 421 | 1042 | 338 | 338 | 185 | 517 |
Best forecast wave conditions in South Florida | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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