Surf Forecasts:
How big are the waves at 40th Street today (18 Sep):
- Morning surf: Morning surf (18 Sep, local time) - 3.5ft (1.0m), 8s period with NE swell.
- Afternoon surf: Afternoon surf (18 Sep, local time) - 3ft (0.9m), 7s period with NE swell.
- Evening surf: Evening surf (18 Sep, local time) - 2.5ft (0.8m), 7s period with NE swell.
The current surf forecast for 40th Street at 6PM is: 0.9m 7s primary swell from a Northeast direction and 0.1m 12s secondary swell from a East direction, 0.2m 8s secondary swell from a East-southeast direction (forecast issued at 01:00pm September 18). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 3.5ft (1.0m) | 8s |
| Afternoon (18 Sep) | 3ft (0.9m) | 7s |
| Evening (18 Sep) | 2.5ft (0.8m) | 7s |
Table - waves today at 40th Street. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 52mm), heaviest during Fri afternoon. Warm (max 30°C on Sat afternoon, min 24°C on Fri afternoon). Wind will be generally light. | |||||||||||||||||||||
Fri 18 | Saturday 19 | Sunday 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) | 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 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 107 | 91 | 79 | 77 | 62 | 60 | 39 | 38 | 37 | 29 | 22 | 22 | 23 | 27 | 27 | 19 | 19 | 19 | 14 | 13 | 12 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | cross-on | on | on | glassy | cross-on | on | on | on | on | off | glassy | on | glassy | glassy | on | on | on | cross-on |
High Tide | 2:13PM0.82m | 2:20AM0.79m | 3:13PM0.80m | 3:21AM0.78m | 4:15PM0.81m | ||||||||||||||||
Low Tide | 8:06AM0.29m | 8:38PM0.41m | 9:07AM0.31m | 9:43PM0.42m | 10:09AM0.31m | 10:44PM0.41m | |||||||||||||||
 | | |  |  | | | | | |  | |  | | | |  | | | | | |
 | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — |
 | — | — | 7:21 | — | — | — | — | — | — | — | 7:20 | — | — | — | — | — | — | — | 7:19 | — | — |
mm | 2 | 4 | 21 | 1 | — | 1 | 5 | 1 | 2 | 1 | — | 1 | 6 | — | — | 1 | — | 1 | 2 | 3 | 1 |
Temp °C | 29 | 29 | 24 | 26 | 27 | 27 | 27 | 27 | 29 | 30 | 30 | 29 | 25 | 26 | 27 | 27 | 29 | 30 | 29 | 28 | 28 |
Feels °C | 32 | 31 | 25 | 28 | 29 | 31 | 31 | 31 | 32 | 32 | 32 | 31 | 28 | 30 | 31 | 32 | 33 | 33 | 31 | 31 | 30 |
Swell 1 Height (m) Direction Period (s) | 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 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 |
| kJ | 107 | 91 | 79 | 77 | 62 | 60 | 39 | 38 | 37 | 29 | 22 | 22 | 23 | 27 | 27 | 19 | 19 | 19 | 14 | 13 | 12 |
Swell 2 Height (m) Direction Period (s) | E 8 | E 8 | E 12 | E 12 | E 12 | E 12 | ESE 7 | ESE 7 | ESE 7 | E 7 | E 7 | E 7 | ESE 7 | E 9 | E 9 | E 7 | E 8 | E 8 | ESE 8 | ESE 8 | ESE 8 |
| kJ | 1 | 1 | 3 | 3 | 3 | 3 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 2 | 2 | 1 | 6 | 6 | 7 | 6 | 6 |
Swell 3 Height (m) Direction Period (s) | E 12 | E 12 | E 12 | E 12 | — | E 12 | E 12 | — | E 12 | — | NE 9 | — | NE 8 | — | E 9 | E 9 | — | — | — | — | — |
| kJ | 3 | 3 | 3 | 3 | — | 3 | 3 | — | 3 | — | 3 | — | 3 | — | 2 | 2 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | ESE 8 | ESE 8 | E 8 | ESE 8 | — | ESE 3 | E 7 | ESE 7 | SE 3 | — | — | E 7 | ESE 7 | — | — | — | — | — | — |
| kJ | — | — | 6 | 6 | 1 | 6 | — | 1 | 4 | 9 | 1 | — | — | 3 | 4 | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 311 | 311 | 311 | 977 | 800 | 77 | 23 | 118 | 1219 | 367 | 807 | 928 | 800 | 977 | 339 | 360 | 360 | 1616 | 1592 | 1306 | 976 |
Best forecast wave conditions in South Florida | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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