Surf Forecasts:
How big are the waves at Jap Rock today (18 Oct):
- Morning surf: Morning surf (18 Oct, local time) - 8ft (2.5m), 8s period with NNE swell.
- Afternoon surf: Afternoon surf (18 Oct, local time) - 8ft (2.5m), 9s period with NNE swell.
- Evening surf: Evening surf (18 Oct, local time) - 10ft (3.0m), 10s period with NNE swell.
The current surf forecast for Jap Rock at 10AM is: 3.0m 8s primary swell from a North-northeast direction (forecast issued at 07:00am October 18). The wind direction is predicted to be cross-shore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Oct) | 8ft (2.5m) | 8s |
| Afternoon (18 Oct) | 8ft (2.5m) | 9s |
| Evening (18 Oct) | 10ft (3.0m) | 10s |
Table - waves today at Jap Rock. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 10mm), heaviest on Sun morning. Warm (max 27°C on Mon afternoon, min 25°C on Sun morning). Mainly fresh winds. | |||||||||||||||||||||||
Sunday 18 | Monday 19 | Tuesday 20 | |||||||||||||||||||||
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) | NNE 7 | NNE 8 | NNE 8 | NNE 9 | NNE 9 | NNE 9 | NNE 10 | NE 11 | NE 12 | NE 12 | NNE 12 | NE 12 | NE 12 | NE 13 | NE 13 | NE 13 | NE 13 | NE 13 | NE 13 | NE 12 | NE 12 | NE 12 | NE 12 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 620 | 831 | 989 | 1044 | 1020 | 1338 | 1996 | 2539 | 2692 | 2692 | 2299 | 2449 | 2861 | 3384 | 3318 | 2757 | 2561 | 2561 | 2444 | 2160 | 1880 | 1655 | 1547 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 2:30PM0.84m | 2:43AM0.80m | 3:28PM0.85m | 3:47AM0.82m | 4:25PM0.87m | ||||||||||||||||||
Low Tide | 8:18AM0.36m | 9:01PM0.44m | 9:21AM0.36m | 10:02PM0.41m | 10:20AM0.35m | 10:55PM0.36m | |||||||||||||||||
 |  | |  |  |  |  |  | |  | | | | | | | | | | | |  | | |
 | 7:20 | — | — | — | — | — | — | — | 7:20 | — | — | — | — | — | — | — | 7:20 | — | — | — | — | — | — |
 | — | — | — | — | 6:49 | — | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:46 | — | — |
mm | 18 | 4 | 3 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — |
Temp °C | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 26 | 27 | 26 | 26 | 26 | 26 | 25 | 25 | 26 | 26 | 26 | 25 | 25 |
Feels °C | 23 | 23 | 24 | 23 | 23 | 23 | 22 | 22 | 23 | 22 | 23 | 24 | 22 | 23 | 23 | 24 | 23 | 22 | 24 | 23 | 24 | 22 | 22 |
Swell 1 Height (m) Direction Period (s) | E 8 | — | — | — | — | — | — | — | — | — | NNE 12 | NNE 12 | — | E 10 | E 10 | ESE 6 | E 6 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 |
| kJ | 1 | — | — | — | — | — | — | — | — | — | 2299 | 1803 | — | 2 | 2 | 10 | 23 | 2 | 2 | 2 | 2 | 2 | 2 |
Swell 2 Height (m) Direction Period (s) | NE 14 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNE 7 | NNE 8 | NNE 8 | NNE 9 | NNE 9 | NNE 9 | NNE 10 | NE 11 | NE 12 | NE 12 | ESE 6 | NE 12 | NE 12 | NE 13 | NE 13 | NE 13 | NE 13 | NE 13 | NE 13 | NE 12 | NE 12 | NE 12 | NE 12 |
| kJ | 620 | 831 | 989 | 1044 | 1020 | 1338 | 1996 | 2539 | 2692 | 2692 | 64 | 2449 | 2861 | 3384 | 3318 | 2757 | 2561 | 2561 | 2444 | 2160 | 1880 | 1655 | 1547 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 974 | 1013 | 922 | 797 | 797 | 359 | 797 | 838 | 838 | 838 | 708 | 708 | 708 | 538 | 533 | 680 | 708 | 797 | 797 | 838 | 838 | 680 | 533 |
Best forecast wave conditions in South Florida | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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