Surf Forecasts:
How big are the waves at 21st Street (Miami) today (30 Jul):
- Morning surf: Morning surf (30 Jul, local time) - 0.5ft (0.1m), 9s period with NE swell.
- Afternoon surf: Afternoon surf (30 Jul, local time) - 0.5ft (0.1m), 9s period with NE swell.
- Evening surf: Evening surf (30 Jul, local time) - 0.5ft (0.1m), 9s period with NE swell.
The current surf forecast for 21st Street (Miami) at 4PM is: 0.1m 9s primary swell from a Northeast direction and 0.1m 8s secondary swell from a East direction (forecast issued at 01:00pm July 30). An open ocean swell of 0.5m 4s is not directed at the surf break, a second open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Jul) | 0.5ft (0.1m) | 9s |
| Afternoon (30 Jul) | 0.5ft (0.1m) | 9s |
| Evening (30 Jul) | 0.5ft (0.1m) | 9s |
Table - waves today at 21st Street (Miami). (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 15mm), heaviest on Sat night. Warm (max 33°C on Thu afternoon, min 28°C on Fri morning). Wind will be generally light. | |||||||||||||||||||||
Thu 30 | Friday 31 | Saturday 1 | |||||||||||||||||||
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) | NE 9 | NE 9 | NE 9 | NE 9 | E 8 | E 8 | E 8 | NE 10 | E 10 | E 10 | SSE 3 | SSE 4 | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 | E 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 3 | 3 | 3 | 3 | 1 | 1 | 1 | 4 | 2 | 4 | 5 | 15 | 7 | 6 | 6 | 6 | 6 | 6 | 5 | 6 | 5 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross-off | cross-off | off | off | cross-off | off | cross-off | cross | cross | cross-off | off | off | off | cross-off | cross-off | cross-on | cross | cross | cross-off |
High Tide | 9:24AM0.75m | 9:54PM0.80m | 10:04AM0.77m | 10:29PM0.80m | 10:44AM0.78m | ||||||||||||||||
Low Tide | 3:36PM-0.02m | 4:02AM0.05m | 4:14PM-0.01m | 4:38AM0.03m | 4:53PM0.01m | ||||||||||||||||
 |  |  | |  |  | | |  | | | |  | | | | | | | | | |
 | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — |
 | — | — | — | 8:07 | — | — | — | — | — | — | — | 8:07 | — | — | — | — | — | — | — | 8:06 | — |
mm | — | — | 1 | 1 | — | — | — | — | — | — | — | 2 | 1 | — | — | — | — | — | — | 2 | 2 |
Temp °C | 30 | 32 | 33 | 33 | 31 | 30 | 29 | 28 | 30 | 32 | 31 | 32 | 31 | 30 | 29 | 29 | 30 | 30 | 30 | 29 | 29 |
Feels °C | 32 | 33 | 33 | 33 | 33 | 33 | 31 | 30 | 33 | 34 | 30 | 32 | 32 | 32 | 31 | 31 | 32 | 30 | 29 | 30 | 31 |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | S 4 | S 4 | S 4 | S 4 | S 4 | S 3 | E 7 | E 7 | E 7 | E 7 | E 9 | S 3 | S 3 | E 9 | E 8 | E 8 | E 8 | E 8 | ESE 4 |
| kJ | 1 | 1 | 6 | 7 | 4 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 7 | 2 | 1 | 6 | 6 | 6 | 5 | 5 | 1 |
Swell 2 Height (m) Direction Period (s) | N 6 | NE 9 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | — | E 10 | E 10 | E 9 | NE 10 | E 9 | E 9 | WNW 2 | NE 9 | NE 9 | NE 9 | NE 9 | E 8 |
| kJ | 1 | 3 | 1 | 1 | 1 | 1 | 1 | 1 | — | 2 | 2 | 2 | 4 | 6 | 6 | 1 | 3 | 3 | 3 | 3 | 5 |
Swell 3 Height (m) Direction Period (s) | NE 9 | N 6 | NE 9 | NE 9 | — | — | — | NE 10 | E 10 | NE 10 | NE 10 | NE 10 | N 10 | NE 10 | NE 9 | — | — | — | — | — | NE 9 |
| kJ | 3 | 1 | 3 | 3 | — | — | — | 4 | 2 | 4 | 4 | 4 | 2 | 4 | 3 | — | — | — | — | — | 3 |
Wind waves Height (m) Direction Period (s) | SW 3 | SSW 3 | — | — | SSW 4 | — | SSW 3 | SSW 3 | — | — | SSE 3 | SSE 4 | S 4 | WNW 2 | WNW 3 | — | — | — | SE 3 | SSE 3 | SSW 3 |
| kJ | 1 | 3 | — | — | 5 | — | 1 | 1 | — | — | 5 | 15 | 7 | 1 | 1 | — | — | — | 5 | 6 | 3 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1042 | 1042 | 1560 | 421 | 448 | 448 | 915 | 915 | 325 | 353 | 1767 | 731 | 731 | 862 | 731 | 862 | 1236 | 314 | 314 | 314 | 862 |
Best forecast wave conditions in South Florida | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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