Surf Forecasts:
How big are the waves at 40th Street today (17 Sep):
- Morning surf: Morning surf (17 Sep, local time) - 5ft (1.6m), 7s period with NE swell.
- 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 4AM is: 1.6m 7s primary swell from a Northeast direction and 0.1m 13s secondary swell from a East direction (forecast issued at 07:00pm September 16). The wind direction is predicted to be onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | 5ft (1.6m) | 7s |
| 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 39mm), heaviest during Thu morning. Warm (max 30°C on Sat afternoon, min 25°C on Fri night). Wind will be generally light. | |||||||||||||||||||
Wed 16 | Thursday 17 | Friday 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) | NNE 7 | NNE 8 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 7 | NE 7 | NE 7 | NE 7 |
Wave Graph  | |||||||||||||||||||
 kJ | 101 | 187 | 255 | 293 | 247 | 234 | 231 | 237 | 215 | 179 | 183 | 147 | 143 | 110 | 110 | 91 | 91 | 77 | 64 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | on | on | cross-on | cross-off | cross |
High Tide | 00:40AM0.86m | 1:20PM0.86m | 1:27AM0.82m | 2:13PM0.82m | |||||||||||||||
Low Tide | 6:49PM0.31m | 7:10AM0.24m | 7:39PM0.37m | 8:06AM0.29m | 8:38PM0.41m | ||||||||||||||
 |  | | | | | | | | | | |  |  | | | | | | |
 | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — |
 | 7:22 | — | — | — | — | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:21 | — | — |
mm | 2 | 1 | 1 | 3 | 4 | 5 | 3 | 1 | 3 | 1 | 1 | 1 | — | — | 1 | 3 | 5 | 4 | — |
Temp °C | 29 | 28 | 28 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 28 | 25 | 26 |
Feels °C | 30 | 28 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 30 | 30 | 31 | 31 | 30 | 30 | 31 | 28 | 29 |
Swell 1 Height (m) Direction Period (s) | NNE 7 | — | — | — | E 13 | E 13 | E 13 | E 13 | E 9 | E 9 | E 9 | NE 8 | NE 8 | NE 8 | NE 8 | NE 7 | NE 7 | NE 7 | NE 7 |
| kJ | 101 | — | — | — | 3 | 3 | 3 | 3 | 2 | 1 | 1 | 147 | 143 | 110 | 110 | 91 | 91 | 77 | 64 |
Swell 2 Height (m) Direction Period (s) | E 8 | E 8 | E 14 | — | — | E 13 | E 13 | E 13 | E 13 | E 13 | E 13 | — | E 8 | E 8 | E 8 | ESE 4 | E 8 | E 12 | — |
| kJ | 1 | 1 | 4 | — | — | 3 | 3 | 3 | 3 | 3 | 3 | — | 1 | 1 | 1 | 1 | 1 | 3 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | E 13 | E 13 | E 13 | E 9 | E 13 | E 12 | E 12 | E 8 | E 12 | E 12 | E 12 |
| kJ | — | — | — | — | — | — | — | — | 3 | 3 | 3 | 1 | 3 | 3 | 3 | 1 | 3 | 3 | 3 |
Wind waves Height (m) Direction Period (s) | ESE 4 | NNE 8 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 8 | NE 8 | ESE 4 | SE 4 | SE 4 | ESE 4 | — | — | ESE 8 | ESE 8 |
| kJ | 6 | 187 | 255 | 293 | 247 | 234 | 231 | 237 | 215 | 179 | 183 | 6 | 4 | 4 | 3 | — | — | 6 | 6 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 777 | 1195 | 964 | 854 | 311 | 311 | 345 | 1071 | 384 | 345 | 345 | 345 | 311 | 311 | 311 | 311 | 9 | 0 | 4 |
Best forecast wave conditions in South Florida | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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