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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 am 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 5AM is: 1.1m 5s primary swell from a East direction and 0.2m 9s secondary swell from a East-southeast direction, 0.2m 9s secondary swell from a East-northeast direction (forecast issued at 01:00am May 20). The wind direction is predicted to be onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | 2.5ft (0.8m) | 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 ForecastLight rain (total 3mm), mostly falling on Fri afternoon. Warm (max 28°C on Thu afternoon, min 26°C on Wed morning). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 20 | Thursday 21 | Friday 22 | ||||||||||||||||||||||
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 | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
E 5 | E 5 | ESE 5 | ESE 5 | E 5 | E 5 | E 4 | E 4 | ESE 4 | ESE 4 | ESE 4 | ESE 8 | ESE 8 | ESE 8 | NE 9 | NE 8 | ESE 4 | ESE 5 | ESE 5 | ESE 5 | ESE 5 | ESE 5 | ESE 5 | ESE 5 | |
76 | 62 | 33 | 28 | 29 | 20 | 19 | 20 | 25 | 26 | 16 | 14 | 14 | 14 | 19 | 19 | 33 | 37 | 30 | 37 | 32 | 32 | 39 | 64 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | |
High Tide | 11:40PM0.94m | 11:51AM0.86m | 00:35AM0.91m | 12:51PM0.83m | 1:30AM0.87m | 1:52PM0.80m | ||||||||||||||||||
Low Tide | 5:48AM0.02m | 6:11PM-0.12m | 6:49AM0.04m | 7:13PM-0.05m | 7:53AM0.05m | 8:18PM0.00m | ||||||||||||||||||
 | |  | | | | | | | |  | | | | | | | |  | |  | | |  | |
 | — | 6:31 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:01 | — | — | — | — | — | — | — | 8:02 | — | — | — | — | — | — | — | 8:02 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 1 | 1 | |
Temp °C | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 27 | 28 | 27 | 27 | 26 | 26 | 26 | 27 | 27 | 27 | 28 | 27 | 26 |
27 | 27 | 27 | 28 | 27 | 27 | 26 | 26 | 26 | 27 | 27 | 27 | 29 | 27 | 28 | 26 | 26 | 26 | 28 | 27 | 27 | 29 | 28 | 26 | |
Swell 1 Height (m) Direction Period (s) | SSE 5 | ESE 9 | NE 5 | NE 5 | ESE 8 | ESE 8 | SSE 4 | SSE 5 | ESE 8 | ESE 8 | NE 4 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | NE 8 | NE 8 | ENE 8 | ESE 8 | ENE 9 | ESE 8 | ESE 8 | ESE 8 | ENE 9 |
 kJ | 2 | 7 | 22 | 14 | 14 | 14 | 4 | 5 | 14 | 14 | 2 | 14 | 14 | 14 | 14 | 18 | 11 | 7 | 14 | 7 | 13 | 13 | 13 | 7 |
Swell 2 Height (m) Direction Period (s) | NE 9 | ENE 9 | ESE 8 | ESE 8 | NE 8 | SSE 4 | ESE 8 | ENE 9 | ENE 9 | ENE 9 | ESE 8 | ENE 9 | ENE 9 | SSE 4 | NE 9 | SSE 4 | S 5 | — | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | — |
| kJ | 3 | 7 | 7 | 14 | 11 | 4 | 14 | 8 | 8 | 8 | 14 | 8 | 8 | 3 | 19 | 2 | 2 | — | 7 | 8 | 7 | 7 | 7 | — |
Swell 3 Height (m) Direction Period (s) | NE 8 | — | ENE 9 | ENE 8 | SSE 4 | ENE 8 | ENE 9 | — | — | — | ENE 9 | NE 4 | NNE 4 | ENE 9 | SSE 4 | — | — | — | — | — | — | — | — | — |
| kJ | 3 | — | 8 | 7 | 4 | 7 | 7 | — | — | — | 8 | 2 | 2 | 8 | 4 | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | E 5 | E 5 | ESE 5 | ESE 5 | E 5 | E 5 | E 4 | E 4 | ESE 4 | ESE 4 | ESE 4 | ESE 4 | ESE 4 | E 4 | E 4 | ESE 4 | ESE 4 | ESE 5 | ESE 5 | ESE 5 | ESE 5 | ESE 5 | ESE 5 | ESE 5 |
| kJ | 76 | 62 | 33 | 28 | 29 | 20 | 19 | 20 | 25 | 26 | 16 | 12 | 14 | 9 | 8 | 19 | 33 | 37 | 30 | 37 | 32 | 32 | 39 | 64 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 925 | 311 | 308 | 775 | 345 | 775 | 1499 | 925 | 155 | 155 | 165 | 452 | 1677 | 1698 | 1105 | 383 | 294 | 260 | 294 | 345 | 1105 | 1071 | 1071 | 1084 |
Best forecast wave conditions in South Florida | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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