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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 7 am Thursday 18 Sep 2025 EDT
How big are the waves at Jap Rock today?
The current surf forecast for Jap Rock at 1PM is: 0.6m 7s primary swell from a North-northeast direction and 0.6m 5s secondary swell from a East-southeast direction, 0.4m 4s secondary swell from a Northeast direction (forecast issued at 07:00am September 18). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 2ft (0.6m) | 8s |
| Afternoon (18 Sep) | 2ft (0.6m) | 7s |
| Evening (18 Sep) | 3.5ft (1.1m) | 5s |
Table - waves today at Jap Rock. (Swell directed towards the surf break)
Thursday 18 | Friday 19 | Saturday 20 | Sun 21 | |||||||||||||||||||||
| 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 | 2 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 8 | 7 | 5 | 5 | 5 | 5 | 5 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 46 | 37 | 45 | 37 | 55 | 54 | 70 | 56 | 25 | 20 | 22 | 60 | 46 | 46 | 46 | 46 | 28 | 28 | 34 | 42 | 37 | 42 | 43 | 43 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | cross- on | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross- off | cross | cross | cross | cross | cross | cross- off | cross | cross | cross- on | cross- on | cross | cross | cross | cross |
High Tide / height (m) | 6:17AM 0.94 | 6:55PM 0.97 | 7:11AM 0.98 | 7:39PM 0.99 | 7:58AM 1.01 | 8:18PM 1.00 | ||||||||||||||||||
Low Tide / height (m) | 12:36PM 0.14 | 1:02AM 0.20 | 1:25PM 0.13 | 1:47AM 0.16 | 2:09PM 0.14 | |||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sun 21 | |||||||||||||||||||||
| Sunrise | - | 7:05 | - | - | - | - | - | - | - | 7:07 | - | - | - | - | - | - | - | 7:07 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 7:21 | - | - | - | - | - | - | - | 7:20 | - | - | - | - | - | - | - | 7:19 | - | - | - |
 |  |  |  | | | | | | | | | |  | | |  |  | | | | | | | |
Rain (mm) | 2 | 7 | 2 | - | 1 | 1 | 3 | 5 | 6 | 3 | 2 | 1 | 1 | - | - | - | - | - | - | - | 1 | 1 | - | - |
| Temp. °C | 28 | 26 | 25 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 27 | 28 | 28 | 27 | 27 | 27 | 26 | 27 | 28 | 28 | 28 | 27 | 27 | 27 |
| Feels °C (?) | 30 | 29 | 26 | 27 | 27 | 27 | 28 | 29 | 28 | 27 | 28 | 29 | 28 | 28 | 29 | 30 | 29 | 31 | 30 | 30 | 30 | 29 | 29 | 30 |
- 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). 0.6m 5s windswell from the E with a 0.5m 2s local chop from the NNE and a 0.4m 8s swell, also from the NNE. 3 swells combining to make bigger set waves.
Actual: 31 min ago
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