Surf Forecasts:
How big are the waves at 21st Street (Miami) today (18 Oct):
- Morning surf: Morning surf (18 Oct, local time) - 8ft (2.4m), 8s period with NNE swell.
- Afternoon surf: Afternoon surf (18 Oct, local time) - 8ft (2.5m), 8s period with NNE swell.
- Evening surf: Evening surf (18 Oct, local time) - 8ft (2.4m), 9s period with NNE swell.
The current surf forecast for 21st Street (Miami) at 9PM is: 2.4m 9s primary swell from a North-northeast direction (forecast issued at 01:00pm October 18). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Oct) | 8ft (2.4m) | 8s |
| Afternoon (18 Oct) | 8ft (2.5m) | 8s |
| Evening (18 Oct) | 8ft (2.4m) | 9s |
Table - waves today at 21st Street (Miami). (Swell directed towards the surf break)
Short Range ForecastLight rain (total 8mm), mostly falling on Sun afternoon. Warm (max 27°C on Sun afternoon, min 25°C on Tue night). Mainly fresh winds. | |||||||||||||||||||||
Sun 18 | Monday 19 | Tuesday 20 | |||||||||||||||||||
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) | NNE 8 | NNE 8 | NNE 9 | NNE 9 | NNE 10 | NNE 10 | NE 12 | NE 12 | NE 12 | NE 12 | NE 12 | NE 12 | NE 12 | NE 12 | NE 13 | NNE 12 | NE 12 | NE 12 | NE 12 | NE 12 | NNE 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 733 | 857 | 919 | 913 | 1102 | 1599 | 2282 | 2362 | 2110 | 1735 | 1880 | 2035 | 2035 | 2103 | 1983 | 1743 | 1462 | 1388 | 1264 | 1082 | 830 |
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 | 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 | cross-on |
High Tide | 2:42PM0.81m | 2:54AM0.75m | 3:44PM0.81m | 4:03AM0.78m | 4:40PM0.84m | ||||||||||||||||
Low Tide | 8:06AM0.32m | 8:58PM0.41m | 9:12AM0.34m | 10:00PM0.38m | 10:17AM0.33m | 10:55PM0.34m | |||||||||||||||
 | | |  | |  | |  |  | | |  | | | | | | | |  | | |
 | — | — | — | — | — | — | 7:20 | — | — | — | — | — | — | — | 7:20 | — | — | — | — | — | — |
 | — | — | 6:50 | — | — | — | — | — | — | — | 6:49 | — | — | — | — | — | — | — | 6:47 | — | — |
mm | 2 | 2 | 3 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 27 | 27 | 26 | 26 | 26 | 27 | 26 | 26 | 26 | 26 | 26 | 26 |
Feels °C | 24 | 24 | 24 | 25 | 24 | 25 | 24 | 23 | 21 | 23 | 24 | 22 | 21 | 23 | 23 | 22 | 23 | 22 | 22 | 23 | 23 |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | NNE 12 | NNE 12 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | NNE 12 |
| kJ | — | — | — | — | — | — | — | — | 1496 | 1402 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 830 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | E 13 | E 13 | E 13 | E 12 | — | — | E 9 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 3 | 3 | 3 | — | — | 2 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNE 8 | NNE 8 | NNE 9 | NNE 9 | NNE 10 | NNE 10 | NE 12 | NE 12 | NE 12 | NE 12 | NE 12 | NE 12 | NE 12 | NE 12 | NE 13 | NNE 12 | NE 12 | NE 12 | NE 12 | NE 12 | NE 5 |
| kJ | 733 | 857 | 919 | 913 | 1102 | 1599 | 2282 | 2362 | 2110 | 1735 | 1880 | 2035 | 2035 | 2103 | 1983 | 1743 | 1462 | 1388 | 1264 | 1082 | 44 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 862 | 1634 | 1562 | 955 | 955 | 904 | 904 | 904 | 774 | 774 | 731 | 601 | 601 | 601 | 731 | 731 | 731 | 904 | 904 | 596 | 596 |
Best forecast wave conditions in South Florida | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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