Surf Forecasts:
How big are the waves at 21st Street (Miami) today (17 Aug):
- Morning surf: Morning surf (17 Aug, local time) - 0.5ft (0.2m), 8s period with E swell.
- Afternoon surf: Afternoon surf (17 Aug, local time) - 0.5ft (0.2m), 8s period with E swell.
- Evening surf: Evening surf (17 Aug, local time) - 0.5ft (0.2m), 8s period with E swell.
The current surf forecast for 21st Street (Miami) at 3AM is: 0.4m 5s primary swell from a Southeast direction and 0.2m 8s secondary swell from a East direction, 0.1m 10s secondary swell from a Northeast direction (forecast issued at 07:00pm August 16). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Aug) | 0.5ft (0.2m) | 8s |
| Afternoon (17 Aug) | 0.5ft (0.2m) | 8s |
| Evening (17 Aug) | 0.5ft (0.2m) | 8s |
Table - waves today at 21st Street (Miami). (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 33°C on Tue afternoon, min 28°C on Sun night). Wind will be generally light. | |||||||||||||||||||
Sun 16 | Monday 17 | Tuesday 18 | |||||||||||||||||
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 8 | SE 5 | E 8 | SE 5 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 10 | SE 4 | E 10 |
Wave Graph  | |||||||||||||||||||
 kJ | 7 | 13 | 5 | 9 | 5 | 5 | 5 | 5 | 5 | 6 | 5 | 5 | 5 | 5 | 6 | 5 | 8 | 12 | 8 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | on | cross-on | cross | cross | cross | cross-on | cross-on | cross | cross-off | off | off | off | off | cross-off | cross | cross-off | cross-off |
High Tide | 11:55PM0.85m | 12:30PM0.84m | 00:37AM0.80m | 1:19PM0.78m | |||||||||||||||
Low Tide | 5:49PM0.04m | 6:12AM-0.01m | 6:35PM0.11m | 6:57AM0.04m | 7:22PM0.18m | ||||||||||||||
 |  | | | | | | | | | | | | | | |  |  | | |
 | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — |
 | 7:54 | — | — | — | — | — | — | — | 7:53 | — | — | — | — | — | — | — | 7:52 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 29 | 28 | 28 | 28 | 28 | 28 | 29 | 30 | 31 | 30 | 30 | 30 | 29 | 29 | 30 | 33 | 32 | 33 | 32 |
Feels °C | 32 | 31 | 30 | 31 | 31 | 32 | 32 | 31 | 30 | 30 | 32 | 32 | 31 | 31 | 32 | 35 | 33 | 35 | 33 |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | SSE 5 | E 8 | E 8 | SE 4 | SE 4 | E 8 | E 8 | E 8 | E 8 | S 3 | S 3 | E 8 | E 8 | E 8 | E 10 | E 10 | SSE 4 |
| kJ | 5 | 5 | 5 | 5 | 5 | 2 | 2 | 5 | 5 | 5 | 5 | 3 | 1 | 5 | 6 | 5 | 8 | 8 | 8 |
Swell 2 Height (m) Direction Period (s) | NE 10 | NE 10 | E 8 | NE 10 | E 3 | E 8 | E 8 | NE 10 | NE 10 | NE 9 | NE 9 | E 8 | E 8 | S 3 | — | E 11 | NE 11 | NE 10 | E 10 |
| kJ | 4 | 4 | 5 | 4 | 1 | 5 | 5 | 4 | 4 | 3 | 3 | 5 | 5 | 1 | — | 2 | 4 | 4 | 8 |
Swell 3 Height (m) Direction Period (s) | E 4 | NE 10 | NE 10 | — | NE 10 | NE 10 | NE 10 | E 8 | E 8 | — | E 8 | NE 9 | NE 9 | NE 9 | NE 9 | — | N 6 | N 6 | N 6 |
| kJ | 1 | 4 | 4 | — | 4 | 4 | 4 | 1 | 1 | — | 1 | 3 | 3 | 3 | 3 | — | 1 | 1 | 1 |
Wind waves Height (m) Direction Period (s) | SE 4 | SE 5 | E 3 | SE 5 | SSE 5 | — | — | SE 4 | SE 3 | SE 3 | SSE 3 | SSW 3 | — | WNW 2 | — | — | SE 2 | SE 4 | S 4 |
| kJ | 7 | 13 | 1 | 9 | 5 | — | — | 2 | 4 | 6 | 3 | 3 | — | 1 | — | — | 1 | 12 | 6 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 1642 | 448 | 324 | 324 | 327 | 314 | 314 | 314 | 314 | 314 | 314 | 314 | 314 | 327 | 324 | 314 | 234 | 314 | 234 |
Best forecast wave conditions in South Florida | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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