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Surf Forecasts:
Jap Rock surfForecast / Florida – South / USA
48hr Weather and Surf, issued 6 pm Tuesday 16 Dec 2025 ESTForecast update in hr min s Forecast update imminent
Jap Rock surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Jap Rock sea temperature is
26.5° C
(Which is 2.1°C warmer than normal for this time of year)How big are the waves at Jap Rock today?
The current surf forecast for Jap Rock at 2AM is: 1.7m 6s primary swell from a East-northeast direction and 0.2m 10s secondary swell from a East-southeast direction (forecast issued at 06:00pm December 16). The wind direction is predicted to be cross-onshore.
| Time (EST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Dec) | 6ft (1.8m) | 6s |
| Afternoon (17 Dec) | 5ft (1.5m) | 6s |
| Evening (17 Dec) | 4.5ft (1.4m) | 6s |
Table - waves today at Jap Rock. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| 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 | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 8 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 6 | 6 | 6 | 5 | 5 | 5 | 6 | 6 | 6 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 573 | 503 | 390 | 231 | 230 | 263 | 256 | 200 | 150 | 137 | 114 | 74 | 112 | 77 | 90 | 80 | 74 | 65 | 73 | 47 | 52 | 40 | 30 | 34 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross- off | cross- off | cross- off |
High Tide / height (m) | 5:36PM 0.74 | 6:19AM 0.81 | 6:19PM 0.75 | 7:00AM 0.82 | 7:01PM 0.76 | 7:41AM 0.83 | ||||||||||||||||||
Low Tide / height (m) | 11:59PM 0.04 | 12:28PM 0.17 | 12:39AM 0.03 | 1:08PM 0.16 | 1:18AM 0.01 | |||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 7:01 | - | - | - | - | - | - | - | 7:01 | - | - | - | - | - | - | - | 7:01 | - |
| Sunset | 5:30 | - | - | - | - | - | - | - | 5:30 | - | - | - | - | - | - | - | 5:30 | - | - | - | - | - | - | - |
 |  | |  | | |  | | | | | | | |  | | | |  | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | 1 | 2 | - | - |
| Temp. °C | 21 | 22 | 21 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 24 | 24 | 24 | 23 | 24 | 27 |
| Feels °C (?) | 17 | 18 | 18 | 19 | 19 | 19 | 20 | 21 | 20 | 20 | 22 | 22 | 22 | 23 | 22 | 23 | 24 | 25 | 24 | 24 | 25 | 24 | 25 | 26 |
- Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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