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Jap Rock Surf Forecast
/ Florida – South (39 breaks) / Florida (155 breaks) /
Surf Forecasts:
Jap Rock surfForecast / Florida – South / USA
48hr Weather and Surf, issued 1 am Wednesday 17 Sep 2025 EDT
How big are the waves at Jap Rock today?
The current surf forecast for Jap Rock at 7AM is: 1.1m 8s primary swell from a Northeast direction and 0.1m 9s secondary swell from a East direction, 0.5m 4s secondary swell from a East direction (forecast issued at 01:00am September 17). The wind direction is predicted to be onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | 3.5ft (1.1m) | 8s |
| Afternoon (17 Sep) | 3ft (0.9m) | 8s |
| Evening (17 Sep) | 2.5ft (0.7m) | 8s |
Table - waves today at Jap Rock. (Swell directed towards the surf break)
Wednesday 17 | Thursday 18 | Friday 19 | ||||||||||||||||||||||
| 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 | 11 AM | 2 PM | 5 PM | 8 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 5 | 5 | 6 | 6 | 5 | 5 | 6 | 6 | 6 | 8 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 123 | 153 | 149 | 145 | 145 | 125 | 91 | 76 | 60 | 39 | 39 | 55 | 71 | 72 | 59 | 55 | 43 | 31 | 24 | 25 | 22 | 57 | 48 | 46 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | on | on | on | cross- off | cross- on | cross- on | on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross- off | cross | cross | cross | cross |
High Tide / height (m) | 5:15AM 0.91 | 6:03PM 0.94 | 6:17AM 0.94 | 6:55PM 0.97 | 7:11AM 0.98 | 7:39PM 0.99 | ||||||||||||||||||
Low Tide / height (m) | 11:14PM 0.29 | 11:42AM 0.15 | 12:12AM 0.25 | 12:36PM 0.14 | 1:02AM 0.20 | 1:25PM 0.13 | ||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | ||||||||||||||||||||||
| Sunrise | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:07 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 7:22 | - | - | - | - | - | - | - | 7:21 | - | - | - | - | - | - | - | 7:20 | - |
 | | |  | |  | |  | | | | | |  | | | | |  |  | | | |  | |
Rain (mm) | 5 | 2 | 2 | 5 | 11 | 1 | 1 | - | 2 | 4 | 3 | 5 | 1 | - | 1 | 1 | - | 2 | - | - | - | - | - | - |
| Temp. °C | 27 | 27 | 27 | 27 | 24 | 25 | 26 | 27 | 27 | 27 | 27 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 28 | 28 | 28 | 28 |
| Feels °C (?) | 29 | 29 | 30 | 30 | 27 | 26 | 26 | 27 | 28 | 29 | 29 | 28 | 27 | 27 | 28 | 28 | 28 | 29 | 29 | 29 | 30 | 29 | 28 | 29 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Florida - South
Continuing clean conditions at Jap Rock (calm at Boca Raton 2 km from Jap Rock). 0.8m 9s swell from the NNE with a 0.6m 4s local chop from the NE and a 0.4m 9s swell, also from the NE. 3 swells combining to make bigger set waves.
1 h 8 min ago
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