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40th Street Surf Forecast
/ Florida – South (39 breaks) / Florida (155 breaks) /
Surf Forecasts:
40th Street surfForecast / Florida – South / USA
48hr Weather and Surf, issued 1 pm Wednesday 20 May 2026 EDTForecast update in hr min s Forecast update imminent
40th Street surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's 40th Street sea temperature is
27.8° C
(Which is slightly warmer than usual)How big are the waves at 40th Street today?
The current surf forecast for 40th Street at 5PM is: 0.7m 5s primary swell from a East direction and 0.3m 8s secondary swell from a East-southeast direction (forecast issued at 01:00pm May 20). An open ocean swell of 0.3m 4s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | 3.5ft (1.0m) | 5s |
| Afternoon (20 May) | 2.5ft (0.8m) | 5s |
| Evening (20 May) | 2.5ft (0.7m) | 4s |
Table - waves today at 40th Street. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Fri afternoon. Warm (max 28°C on Thu afternoon, min 26°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Wed 20 | Thursday 21 | Friday 22 | Sat 23 | |||||||||||||||||||||
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 | 2 AM | 5 AM | 8 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
E 5 | E 5 | E 5 | E 4 | E 4 | ESE 4 | ESE 4 | SE 4 | ESE 4 | ESE 4 | ESE 8 | NE 9 | NE 8 | ESE 4 | ESE 5 | ESE 5 | ESE 5 | ESE 5 | ESE 5 | E 5 | ESE 5 | ESE 5 | ESE 5 | ESE 5 | |
41 | 29 | 21 | 19 | 21 | 25 | 26 | 20 | 16 | 16 | 14 | 19 | 18 | 37 | 35 | 46 | 42 | 40 | 42 | 23 | 52 | 59 | 72 | 64 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 11:51AM0.86m | 00:35AM0.91m | 12:51PM0.83m | 1:30AM0.87m | 1:52PM0.80m | 2:27AM0.83m | ||||||||||||||||||
Low Tide | 6:11PM-0.12m | 6:49AM0.04m | 7:13PM-0.05m | 7:53AM0.05m | 8:18PM0.00m | |||||||||||||||||||
 |  | | |  | |  |  |  | | | | | | | | | | | | | |  | | |
 | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — |
 | — | — | — | 8:01 | — | — | — | — | — | — | — | 8:02 | — | — | — | — | — | — | — | 8:02 | — | — | — | 8:04 |
1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | |
Temp °C | 26 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 27 | 28 | 27 | 27 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 27 |
27 | 27 | 27 | 27 | 26 | 27 | 27 | 26 | 27 | 28 | 27 | 28 | 26 | 27 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 28 | |
Swell 1 Height (m) Direction Period (s) | ESE 8 | ESE 8 | SSE 4 | SSE 5 | SSE 5 | ESE 8 | ESE 8 | NE 4 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | NE 8 | NE 8 | ESE 8 | ENE 9 | ESE 8 | ESE 8 | ESE 8 | S 5 | ENE 9 | ENE 9 | ENE 8 | ESE 8 |
 kJ | 14 | 14 | 4 | 4 | 5 | 14 | 14 | 2 | 14 | 14 | 14 | 14 | 18 | 11 | 14 | 7 | 13 | 14 | 14 | 13 | 7 | 7 | 7 | 7 |
Swell 2 Height (m) Direction Period (s) | ENE 8 | SSE 4 | ESE 8 | ESE 8 | ENE 9 | ENE 9 | ENE 9 | ESE 8 | ENE 9 | ENE 9 | SSE 4 | SSE 5 | — | S 5 | ENE 8 | — | ENE 9 | ENE 9 | ENE 9 | ESE 8 | ENE 9 | — | — | ENE 8 |
| kJ | 7 | 4 | 14 | 14 | 8 | 8 | 8 | 14 | 8 | 8 | 4 | 4 | — | 2 | 7 | — | 7 | 7 | 7 | 13 | 8 | — | — | 7 |
Swell 3 Height (m) Direction Period (s) | SSE 5 | ENE 8 | ENE 8 | ENE 9 | — | — | ENE 9 | ENE 9 | NE 4 | ENE 4 | ENE 9 | NE 9 | — | — | — | — | — | — | ENE 9 | ENE 9 | — | — | — | — |
| kJ | 2 | 7 | 7 | 7 | — | — | 8 | 8 | 3 | 2 | 8 | 19 | — | — | — | — | — | — | 8 | 7 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | E 5 | E 5 | E 5 | E 4 | E 4 | ESE 4 | ESE 4 | SE 4 | ESE 4 | ESE 4 | E 4 | E 4 | ESE 4 | ESE 4 | ESE 5 | ESE 5 | ESE 5 | ESE 5 | ESE 5 | E 5 | ESE 5 | ESE 5 | ESE 5 | ESE 5 |
| kJ | 41 | 29 | 21 | 19 | 21 | 25 | 26 | 20 | 16 | 16 | 9 | 9 | 18 | 37 | 35 | 46 | 42 | 40 | 42 | 23 | 52 | 59 | 72 | 64 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 775 | 1593 | 775 | 775 | 345 | 260 | 155 | 155 | 260 | 1724 | 1594 | 1154 | 356 | 356 | 165 | 206 | 356 | 1105 | 1126 | 1126 | 1126 | 977 | 308 | 294 |
Best forecast wave conditions in South Florida | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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