Surf Forecasts:
How big are the waves at Jap Rock today (31 Jul):
- Morning surf: Morning surf (31 Jul, local time) - 0.5ft (0.1m), 10s period with NE swell.
- Afternoon surf: Afternoon surf (31 Jul, local time) - 0.5ft (0.1m), 10s period with NE swell.
- Evening surf: Evening surf (31 Jul, local time) - 1.5ft (0.5m), 3s period with SSE swell.
The current surf forecast for Jap Rock at 9AM is: 0.1m 10s primary swell from a Northeast direction and 0.2m 4s secondary swell from a South direction (forecast issued at 01:00am July 31). The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Jul) | 0.5ft (0.1m) | 10s |
| Afternoon (31 Jul) | 0.5ft (0.1m) | 10s |
| Evening (31 Jul) | 1.5ft (0.5m) | 3s |
Table - waves today at Jap Rock. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 36mm), heaviest during Fri night. Warm (max 33°C on Fri afternoon, min 25°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Friday 31 | Saturday 1 | Sunday 2 | ||||||||||||||||||||||
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 |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SSE 4 | SSE 4 | NE 10 | NE 10 | NE 10 | NE 10 | SSE 3 | SSE 4 | S 4 | SSE 4 | E 8 | S 4 | E 8 | SE 4 | SSE 5 | SSE 4 | S 4 | ESE 8 | E 8 | SE 4 | SE 4 | SSE 4 | SSE 4 | S 5 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 6 | 3 | 4 | 4 | 4 | 4 | 4 | 8 | 8 | 3 | 6 | 7 | 5 | 34 | 74 | 20 | 6 | 6 | 5 | 9 | 16 | 24 | 26 | 16 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | cross-off | cross-off | off | cross-off | cross-off | cross-on | cross-on | cross-on | glassy | cross | cross-on | cross | cross-on | cross-on | cross-on | off | cross |
High Tide | 10:08AM0.80m | 10:34PM0.85m | 10:50AM0.82m | 11:09PM0.84m | 11:32AM0.83m | |||||||||||||||||||
Low Tide | 4:01AM0.09m | 4:12PM0.01m | 4:37AM0.06m | 4:51PM0.03m | 5:15AM0.03m | 5:32PM0.06m | ||||||||||||||||||
 | |  |  | | |  |  | | | | | | | |  |  | | | | | | | | |
 | — | 6:43 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:07 | — | — | — | — | — | — | — | 8:07 | — | — | — | — | — | — | — | 8:06 | — |
mm | — | — | — | — | — | — | 14 | 3 | 1 | 1 | — | — | — | — | 4 | 8 | — | — | — | — | — | — | 4 | 1 |
Temp °C | 29 | 28 | 28 | 31 | 33 | 33 | 28 | 29 | 29 | 28 | 28 | 30 | 32 | 32 | 28 | 27 | 29 | 29 | 29 | 30 | 31 | 31 | 25 | 26 |
Feels °C | 32 | 30 | 31 | 33 | 35 | 36 | 28 | 32 | 33 | 32 | 32 | 32 | 32 | 32 | 28 | 31 | 31 | 31 | 31 | 31 | 31 | 32 | 26 | 28 |
Swell 1 Height (m) Direction Period (s) | SSE 4 | SSE 4 | S 4 | NE 10 | — | NE 10 | NE 10 | NE 10 | S 4 | SSE 4 | SSE 4 | SSE 3 | E 8 | NE 9 | NE 9 | E 8 | S 4 | ESE 4 | E 8 | E 8 | E 8 | E 8 | E 8 | ESE 4 |
| kJ | 6 | 3 | 1 | 4 | — | 4 | 4 | 4 | 8 | 3 | 1 | 1 | 5 | 3 | 3 | 5 | 5 | 3 | 5 | 5 | 5 | 5 | 5 | 7 |
Swell 2 Height (m) Direction Period (s) | E 8 | E 7 | NE 10 | E 6 | NE 10 | E 6 | E 9 | E 7 | NE 9 | NE 9 | E 8 | E 8 | NE 9 | — | NE 9 | NE 8 | ESE 4 | ESE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | E 8 |
| kJ | 1 | 1 | 4 | 1 | 4 | 1 | 2 | 1 | 3 | 3 | 6 | 5 | 3 | — | 3 | 3 | 3 | 6 | 3 | 3 | 3 | 3 | 3 | 5 |
Swell 3 Height (m) Direction Period (s) | NE 9 | NE 9 | E 6 | E 7 | E 6 | E 9 | E 6 | E 9 | E 7 | E 7 | NE 9 | NE 9 | — | — | — | NE 9 | ESE 8 | NE 8 | — | — | — | — | NE 8 | NE 8 |
| kJ | 3 | 3 | 1 | 1 | 1 | 2 | 1 | 2 | 1 | 1 | 3 | 3 | — | — | — | 3 | 6 | 3 | — | — | — | — | 3 | 3 |
Wind waves Height (m) Direction Period (s) | — | — | — | SSW 3 | — | — | SSE 3 | SSE 4 | — | — | — | S 4 | SSE 3 | SE 4 | SSE 5 | SSE 4 | S 4 | S 4 | SE 4 | SE 4 | SE 4 | SSE 4 | SSE 4 | S 5 |
| kJ | — | — | — | 1 | — | — | 4 | 8 | — | — | — | 7 | 4 | 34 | 74 | 20 | 6 | 2 | 5 | 9 | 16 | 24 | 26 | 16 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 977 | 974 | 359 | 359 | 359 | 310 | 310 | 797 | 974 | 922 | 922 | 797 | 293 | 307 | 81 | 26 | 170 | 172 | 172 | 386 | 359 | 205 | 297 | 165 |
Best forecast wave conditions in South Florida | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Latest Updates
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Jap Rock surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest