
Surf Forecasts:
How big are the waves at 40th Street today (17 Sep):
- Afternoon surf: Afternoon surf (17 Sep, local time) - 4.5ft (1.4m), 7s period with NE swell.
- Evening surf: Evening surf (17 Sep, local time) - 4.5ft (1.3m), 8s period with NE swell.
The current surf forecast for 40th Street at 10PM is: 1.3m 8s primary swell from a Northeast direction and 0.1m 9s secondary swell from a East direction (forecast issued at 07:00pm September 17). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | - | - |
| Afternoon (17 Sep) | 4.5ft (1.4m) | 7s |
| Evening (17 Sep) | 4.5ft (1.3m) | 8s |
Table - waves today at 40th Street. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 27mm), heaviest during Fri afternoon. Warm (max 30°C on Sat afternoon, min 25°C on Fri afternoon). Wind will be generally light. | |||||||||||||||||||
Thu 17 | Friday 18 | Saturday 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 7 | NE 7 | NE 8 | NE 8 | NE 8 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 |
Wave Graph | |||||||||||||||||||
215 | 194 | 200 | 164 | 143 | 121 | 107 | 91 | 79 | 77 | 62 | 51 | 38 | 37 | 37 | 36 | 28 | 22 | 21 | |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | on | on | on | on | on | cross-on | glassy | glassy | glassy | cross-off | cross-on | on | cross-on | on | on | on |
High Tide | 1:27AM0.82m | 2:13PM0.82m | 2:20AM0.79m | 3:13PM0.80m | |||||||||||||||
Low Tide | 7:39PM0.37m | 8:06AM0.29m | 8:38PM0.41m | 9:07AM0.31m | 9:43PM0.42m | ||||||||||||||
— | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | |
7:22 | — | — | — | — | — | — | — | 7:21 | — | — | — | — | — | — | — | 7:20 | — | — | |
mm | 2 | 1 | 1 | — | — | — | 1 | 3 | 15 | 3 | — | — | — | — | — | — | — | 1 | 1 |
Temp °C | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 25 | 26 | 26 | 26 | 26 | 26 | 29 | 30 | 29 | 29 | 28 |
Feels °C | 29 | 29 | 30 | 30 | 31 | 31 | 31 | 31 | 27 | 30 | 29 | 30 | 29 | 29 | 32 | 32 | 30 | 31 | 31 |
Swell 1 Height (m) Direction Period (s) | E 9 | — | — | NE 8 | NE 8 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 |
2 | — | — | 164 | 143 | 121 | 107 | 91 | 79 | 77 | 62 | 51 | 38 | 37 | 37 | 36 | 28 | 22 | 21 | |
Swell 2 Height (m) Direction Period (s) | E 13 | E 9 | E 9 | — | — | E 8 | E 8 | E 8 | SE 8 | SE 8 | SE 8 | ESE 8 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | NE 8 |
3 | 2 | 1 | — | — | 1 | 1 | 1 | 2 | 2 | 2 | 6 | 1 | 1 | 4 | 4 | 1 | 1 | 3 | |
Swell 3 Height (m) Direction Period (s) | E 13 | E 13 | E 13 | E 9 | E 8 | — | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | — | — | — | — | E 10 | NE 8 | SE 7 |
3 | 3 | 3 | 1 | 1 | — | 3 | 3 | 3 | 3 | 3 | 3 | — | — | — | — | 2 | 3 | 2 | |
Wind waves Height (m) Direction Period (s) | NE 7 | NE 7 | NE 8 | ESE 4 | ESE 4 | ESE 3 | — | — | — | — | — | — | — | — | SE 4 | — | — | — | — |
215 | 194 | 200 | 5 | 3 | 1 | — | — | — | — | — | — | — | — | 1 | — | — | — | — | |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 311 | 800 | 345 | 345 | 345 | 311 | 311 | 311 | 800 | 0 | 0 | 4 | 60 | 367 | 367 | 367 | 1627 | 807 | 800 |
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)










