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Surf Forecasts:
40th Street surfForecast / Florida – South / USA
48hr Weather and Surf, issued 12 am Wednesday 10 Dec 2025 ESTForecast 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
26.9° C
(Which is 2.2°C warmer than normal for this time of year)How big are the waves at 40th Street today?
The current surf forecast for 40th Street at 6AM is: 1.1m 8s primary swell from a North-northeast direction and 0.3m 12s secondary swell from a Northeast direction, 0.8m 6s secondary swell from a East-southeast direction (forecast issued at 12:00am December 10). The wind direction is predicted to be onshore.
| Time (EST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Dec) | 3.5ft (1.1m) | 8s |
| Afternoon (10 Dec) | 4.5ft (1.3m) | 10s |
| Evening (10 Dec) | 4.5ft (1.3m) | 10s |
Table - waves today at 40th Street. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 10 | Thursday 11 | Friday 12 | ||||||||||||||||||||||
| 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 7 | 7 | 7 | 8 | 8 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 262 | 168 | 138 | 145 | 153 | 382 | 361 | 347 | 340 | 298 | 338 | 331 | 307 | 115 | 106 | 81 | 70 | 68 | 66 | 52 | 48 | 37 | 19 | 18 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | cross- on | cross- on | on | cross- on | glass | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross- on | cross- on | on | on | on | on |
High Tide / height (m) | 11:58PM 0.85 | 12:30PM 0.87 | 12:57AM 0.81 | 1:22PM 0.83 | 1:58AM 0.78 | 2:15PM 0.79 | ||||||||||||||||||
Low Tide / height (m) | 6:20AM 0.07 | 6:59PM 0.11 | 7:21AM 0.13 | 7:58PM 0.11 | 8:23AM 0.18 | |||||||||||||||||||
Wednesday 10 | Thursday 11 | Friday 12 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:56 | - | - | - | - | - | - | - | 6:56 | - | - | - | - | - | - | - | 6:58 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 5:28 | - | - | - | - | - | - | - | 5:28 | - | - | - | - | - | - | - | 5:29 | - |
 |  | |  | | |  | |  | | |  | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 22 | 22 | 22 | 23 | 23 | 25 | 24 | 25 | 21 | 18 | 16 | 15 | 17 | 21 | 22 | 21 | 20 | 19 | 19 | 20 | 21 | 21 | 22 | 21 |
| Feels °C (?) | 21 | 23 | 23 | 25 | 25 | 26 | 26 | 28 | 19 | 15 | 12 | 12 | 14 | 19 | 19 | 19 | 19 | 17 | 17 | 19 | 19 | 19 | 21 | 20 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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