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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 Thursday 21 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
27.7° C
(Which is slightly warmer than usual)How big are the waves at 40th Street today?
The current surf forecast for 40th Street at 4PM is: 0.8m 4s primary swell from a East-southeast direction and 0.3m 8s secondary swell from a East-southeast direction, 0.2m 9s secondary swell from a East-northeast direction (forecast issued at 01:00pm May 21). The wind direction is predicted to be onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 2.5ft (0.7m) | 4s |
| Afternoon (21 May) | 2.5ft (0.8m) | 4s |
| Evening (21 May) | 1.5ft (0.4m) | 9s |
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 Sun morning. Warm (max 28°C on Thu afternoon, min 26°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thu 21 | Friday 22 | Saturday 23 | Sun 24 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SE 4 | ESE 4 | ESE 4 | NE 9 | ESE 4 | ESE 5 | ESE 5 | ESE 5 | ESE 5 | SE 5 | ESE 5 | ESE 8 | ESE 4 | ESE 4 | ESE 4 | SE 4 | ESE 4 | ESE 4 | SE 4 | ESE 5 | ESE 4 | ESE 5 | ESE 5 | ESE 5 | |
18 | 21 | 16 | 20 | 35 | 33 | 35 | 35 | 24 | 17 | 22 | 22 | 21 | 18 | 28 | 28 | 26 | 26 | 21 | 27 | 37 | 63 | 72 | 64 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 12:51PM0.83m | 1:30AM0.87m | 1:52PM0.80m | 2:27AM0.83m | 2:57PM0.78m | 3:23AM0.80m | ||||||||||||||||||
Low Tide | 7:13PM-0.05m | 7:53AM0.05m | 8:18PM0.00m | 8:57AM0.04m | 9:22PM0.05m | |||||||||||||||||||
 | | | |  |  | |  |  | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:28 | — |
 | — | — | — | 8:02 | — | — | — | — | — | — | — | 8:02 | — | — | — | — | — | — | — | 8:04 | — | — | — | 8:04 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 27 | 28 | 28 | 26 | 26 | 26 | 26 | 26 | 27 | 28 | 27 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 |
27 | 28 | 28 | 26 | 26 | 26 | 27 | 26 | 27 | 28 | 27 | 26 | 27 | 27 | 27 | 28 | 27 | 27 | 27 | 28 | 26 | 26 | 26 | 26 | |
Swell 1 Height (m) Direction Period (s) | ESE 8 | ESE 9 | ESE 8 | ESE 8 | NE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | SSE 5 | ENE 8 | ENE 8 | ENE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ENE 8 | ENE 8 | ENE 8 | ESE 8 |
 kJ | 14 | 15 | 14 | 14 | 18 | 14 | 14 | 14 | 13 | 13 | 22 | 8 | 7 | 7 | 7 | 13 | 13 | 13 | 13 | 13 | 7 | 7 | 7 | 6 |
Swell 2 Height (m) Direction Period (s) | ENE 9 | ENE 9 | ENE 9 | NE 9 | — | NE 8 | ENE 8 | ENE 9 | ENE 9 | NE 5 | ENE 9 | ESE 8 | SSE 5 | ENE 9 | — | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | — | — | — | ENE 8 |
| kJ | 8 | 8 | 8 | 19 | — | 11 | 7 | 7 | 7 | 6 | 7 | 22 | 5 | 7 | — | 7 | 7 | 7 | 7 | 7 | — | — | — | 7 |
Swell 3 Height (m) Direction Period (s) | NE 4 | NE 4 | NE 9 | NE 9 | — | — | — | — | NE 5 | ENE 9 | ENE 9 | ENE 8 | ENE 9 | — | — | — | — | — | ENE 8 | ENE 8 | — | — | — | — |
| kJ | 2 | 1 | 12 | 12 | — | — | — | — | 1 | 7 | 7 | 7 | 7 | — | — | — | — | — | 7 | 7 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SE 4 | ESE 4 | ESE 4 | SE 4 | ESE 4 | ESE 5 | ESE 5 | ESE 5 | ESE 5 | SE 5 | ESE 5 | E 4 | ESE 4 | ESE 4 | ESE 4 | SE 4 | ESE 4 | ESE 4 | SE 4 | ESE 5 | ESE 4 | ESE 5 | ESE 5 | ESE 5 |
| kJ | 18 | 21 | 16 | 20 | 35 | 33 | 35 | 35 | 24 | 17 | 19 | 9 | 21 | 18 | 28 | 28 | 26 | 26 | 21 | 27 | 37 | 63 | 72 | 64 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 105 | 294 | 772 | 1681 | 1590 | 1590 | 925 | 383 | 165 | 260 | 345 | 1112 | 1126 | 1109 | 977 | 356 | 260 | 206 | 356 | 775 | 1248 | 535 | 660 | 628 |
Best forecast wave conditions in South Florida | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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