Surf Forecasts:
How big are the waves at 21st Street (Miami) today (18 Oct):
- Morning surf: Morning surf (18 Oct, local time) - 7.5ft (2.3m), 8s period with NNE swell.
- Afternoon surf: Afternoon surf (18 Oct, local time) - 10ft (3.0m), 8s period with NNE swell.
- Evening surf: Evening surf (18 Oct, local time) - 10ft (3.0m), 9s period with NNE swell.
The current surf forecast for 21st Street (Miami) at 1AM is: 1.4m 5s primary swell from a North-northeast direction and 0.2m 8s secondary swell from a East direction, 0.1m 11s secondary swell from a Northeast direction (forecast issued at 07:00pm October 17). The wind direction is predicted to be cross-shore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Oct) | 7.5ft (2.3m) | 8s |
| Afternoon (18 Oct) | 10ft (3.0m) | 8s |
| Evening (18 Oct) | 10ft (3.0m) | 9s |
Table - waves today at 21st Street (Miami). (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 56mm), heaviest during Sat night. Warm (max 27°C on Sun night, min 25°C on Sat night). Winds increasing (light winds from the N on Sat night, strong winds from the NE by Sun night). | |||||||||||||||||||
Sat 17 | Sunday 18 | Monday 19 | |||||||||||||||||
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 8 | NNE 3 | NNE 5 | NNE 6 | NNE 7 | NNE 8 | NNE 8 | NNE 8 | NNE 9 | NNE 9 | NNE 10 | NE 10 | NE 12 | NE 12 | NE 12 | NNE 12 | NNE 12 | NNE 13 | NNE 13 |
Wave Graph  | |||||||||||||||||||
 kJ | 10 | 11 | 48 | 140 | 316 | 540 | 789 | 1039 | 1283 | 1304 | 1508 | 1697 | 2180 | 2254 | 2035 | 1737 | 1854 | 2005 | 1935 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 1:46AM0.76m | 2:42PM0.81m | 2:54AM0.75m | 3:44PM0.81m | |||||||||||||||
Low Tide | 7:54PM0.41m | 8:06AM0.32m | 8:58PM0.41m | 9:12AM0.34m | 10:00PM0.38m | ||||||||||||||
 |  | | | | | | | | |  |  | |  |  | |  | | | |
 | — | — | — | — | 7:20 | — | — | — | — | — | — | — | 7:20 | — | — | — | — | — | — |
 | 6:51 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:49 | — | — |
mm | 2 | 12 | 15 | 2 | 5 | 5 | 5 | 4 | 4 | 1 | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 26 | 27 | 26 |
Feels °C | 31 | 27 | 25 | 23 | 22 | 22 | 23 | 23 | 22 | 22 | 22 | 23 | 23 | 22 | 22 | 23 | 22 | 23 | 23 |
Swell 1 Height (m) Direction Period (s) | NE 8 | — | NE 10 | E 8 | E 8 | N 8 | — | — | — | — | — | NNE 12 | — | — | NNE 12 | NNE 12 | NNE 12 | NNE 13 | NNE 13 |
| kJ | 10 | — | 4 | 4 | 1 | 320 | — | — | — | — | — | 322 | — | — | 1674 | 1737 | 1854 | 2005 | 1935 |
Swell 2 Height (m) Direction Period (s) | E 3 | E 8 | E 8 | NE 11 | N 14 | E 8 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | 1 | 1 | 4 | 4 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | SSE 3 | — | — | N 15 | N 14 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | — | — | 4 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | NNE 3 | NNE 5 | NNE 6 | NNE 7 | NNE 8 | NNE 8 | NNE 8 | NNE 9 | NNE 9 | NNE 10 | NE 10 | NE 12 | NE 12 | NE 12 | E 6 | E 6 | E 5 | — |
| kJ | — | 11 | 48 | 140 | 316 | 540 | 789 | 1039 | 1283 | 1304 | 1508 | 1697 | 2180 | 2254 | 2035 | 53 | 31 | 21 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 324 | 324 | 324 | 353 | 407 | 731 | 324 | 731 | 731 | 338 | 918 | 904 | 774 | 918 | 774 | 774 | 601 | 596 | 601 |
Best forecast wave conditions in South Florida | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our 21st Street (Miami) surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest