Surf Forecasts:
How big are the waves at Jap Rock today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 1ft (0.3m), 7s period with NE swell.
- Afternoon surf: Afternoon surf (21 Sep, local time) - 1ft (0.3m), 7s period with NE swell.
- Evening surf: Evening surf (21 Sep, local time) - 1ft (0.3m), 7s period with NE swell.
The current surf forecast for Jap Rock at 12PM is: 0.3m 7s primary swell from a Northeast direction and 0.2m 8s secondary swell from a East-southeast direction (forecast issued at 07:00am September 21). The wind direction is predicted to be glassy.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | 1ft (0.3m) | 7s |
| Afternoon (21 Sep) | 1ft (0.3m) | 7s |
| Evening (21 Sep) | 1ft (0.3m) | 7s |
Table - waves today at Jap Rock. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 33mm), heaviest during Tue night. Warm (max 30°C on Mon afternoon, min 25°C on Wed night). Wind will be generally light. | |||||||||||||||||||||||
Monday 21 | Tuesday 22 | Wednesday 23 | |||||||||||||||||||||
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) | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NNE 9 | NE 9 | NE 8 | NE 8 | NE 8 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 12 | 7 | 7 | 7 | 7 | 8 | 19 | 17 | 30 | 28 | 27 | 19 | 18 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 9 | 9 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | glassy | on | cross-on | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross | glassy | glassy | glassy | glassy | on | on |
High Tide | 4:25AM0.79m | 5:14PM0.84m | 5:25AM0.83m | 6:05PM0.88m | 6:19AM0.88m | 6:50PM0.93m | |||||||||||||||||
Low Tide | 11:04AM0.30m | 11:37PM0.37m | 11:54AM0.26m | 00:22AM0.31m | 12:39PM0.23m | ||||||||||||||||||
 |  |  | |  | | |  | | | | | | | |  | | | |  | |  | | |
 | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — |
 | — | — | — | — | 7:17 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:15 | — | — |
mm | 1 | — | — | — | 4 | 4 | 3 | — | — | — | 1 | 2 | 1 | 1 | 1 | — | 5 | 4 | 1 | — | 2 | 1 | 1 |
Temp °C | 27 | 27 | 28 | 30 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 27 | 26 | 27 | 26 | 25 | 26 |
Feels °C | 31 | 31 | 32 | 32 | 29 | 30 | 30 | 29 | 31 | 31 | 32 | 31 | 29 | 30 | 30 | 30 | 31 | 30 | 30 | 32 | 31 | 27 | 28 |
Swell 1 Height (m) Direction Period (s) | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NNE 7 | NE 9 | NE 8 | NE 8 | NE 8 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | SSE 4 | NE 7 | SSE 4 | NE 7 | NE 7 | NE 7 |
| kJ | 12 | 7 | 7 | 7 | 7 | 4 | 19 | 17 | 30 | 28 | 27 | 19 | 18 | 13 | 13 | 13 | 13 | 5 | 12 | 3 | 12 | 7 | 8 |
Swell 2 Height (m) Direction Period (s) | E 8 | ESE 8 | ESE 8 | E 8 | E 8 | NNE 9 | NE 6 | NNE 6 | E 7 | E 7 | E 7 | E 7 | E 8 | SSE 4 | E 8 | E 8 | E 8 | NE 7 | E 8 | NE 7 | S 4 | SSE 4 | S 4 |
| kJ | 5 | 6 | 6 | 5 | 5 | 8 | 1 | 4 | 1 | 1 | 1 | 1 | 1 | 5 | 1 | 1 | 1 | 13 | 1 | 12 | 1 | 1 | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | N 10 | NE 10 | E 8 | NE 6 | E 7 | E 7 | — | — | — | — | E 8 | E 8 | — | — | E 8 | NE 17 | E 8 | NE 16 | NE 16 | NE 15 |
| kJ | — | — | — | 2 | 4 | 1 | 1 | 1 | 1 | — | — | — | — | 1 | 1 | — | — | 1 | 12 | 1 | 10 | 9 | 9 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | SSE 2 | S 3 | S 3 | S 3 | S 3 | SSE 3 | SSE 3 | — | SSE 4 | SSE 4 | SSE 4 | — | SSE 4 | — | — | — | — |
| kJ | — | — | — | — | — | — | 1 | 1 | 1 | 1 | 1 | 1 | 3 | — | 3 | 3 | 3 | — | 5 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 376 | 455 | 308 | 308 | 310 | 1199 | 922 | 168 | 310 | 307 | 307 | 307 | 376 | 967 | 857 | 853 | 376 | 307 | 1284 | 797 | 797 | 1193 | 170 |
Best forecast wave conditions in South Florida | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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