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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 1 am Monday 18 May 2026 EDTForecast 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
27.9° C
(Which is 1.0°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 9AM is: 1.3m 6s primary swell from a East direction and 0.1m 10s secondary swell from a Northeast direction (forecast issued at 01:00am May 18). The wind direction is predicted to be onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 4.5ft (1.3m) | 6s |
| Afternoon (18 May) | 4ft (1.2m) | 5s |
| Evening (18 May) | 4ft (1.2m) | 5s |
Table - waves today at Jap Rock. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 14mm), heaviest on Mon night. Warm (max 27°C on Mon morning, min 26°C on Mon morning). Wind will be generally light. | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
E 5 | E 6 | E 6 | E 6 | E 5 | E 5 | E 5 | E 5 | E 6 | E 6 | E 6 | E 6 | E 6 | E 5 | E 5 | E 5 | E 5 | ESE 5 | E 5 | E 5 | E 5 | E 5 | E 5 | ESE 5 | |
104 | 121 | 104 | 86 | 94 | 79 | 76 | 93 | 121 | 121 | 125 | 105 | 86 | 83 | 80 | 76 | 87 | 69 | 65 | 52 | 41 | 31 | 22 | 47 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | on | cross-on | cross-on | cross-on | on | on | on | cross-on | on | cross-on | cross-on | on | on | on | on | on | on | on | cross-on | on | |
High Tide | 10:02AM0.89m | 10:47PM0.97m | 10:56AM0.88m | 11:40PM0.94m | 11:51AM0.86m | |||||||||||||||||||
Low Tide | 3:57AM-0.02m | 4:17PM-0.21m | 4:51AM-0.00m | 5:12PM-0.17m | 5:48AM0.02m | 6:11PM-0.12m | ||||||||||||||||||
 |  |  | | | |  |  | | | | | | | | | |  |  | | | | | | |
 | — | 6:31 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:00 | — | — | — | — | — | — | — | 8:00 | — | — | — | — | — | — | — | 8:01 | — |
— | — | 1 | 1 | 1 | 1 | — | 1 | 1 | 2 | 1 | 1 | 1 | — | 1 | 1 | — | — | — | 1 | — | — | — | — | |
Temp °C | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 26 |
26 | 26 | 26 | 27 | 26 | 26 | 27 | 26 | 26 | 26 | 26 | 27 | 26 | 26 | 27 | 27 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 26 | |
Swell 1 Height (m) Direction Period (s) | NE 11 | NE 11 | NE 10 | NE 10 | NE 10 | S 5 | SSE 5 | SSE 5 | NE 10 | — | E 9 | E 9 | E 8 | ESE 8 | ESE 8 | SSE 5 | NE 8 | NE 6 | E 9 | ESE 8 | SSE 5 | SSE 5 | SSE 5 | ENE 9 |
 kJ | 5 | 4 | 4 | 4 | 4 | 2 | 5 | 2 | 4 | — | 6 | 6 | 6 | 7 | 7 | 2 | 3 | 11 | 6 | 14 | 8 | 8 | 8 | 8 |
Swell 2 Height (m) Direction Period (s) | NE 11 | — | — | — | NE 8 | NNE 10 | NE 7 | NE 10 | S 6 | — | — | — | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | E 9 | NE 9 | ENE 9 | ESE 8 | ESE 8 | ESE 8 | ENE 9 |
| kJ | 5 | — | — | — | 3 | 9 | 2 | 4 | 1 | — | — | — | 3 | 3 | 3 | 3 | 3 | 6 | 3 | 8 | 14 | 13 | 13 | 8 |
Swell 3 Height (m) Direction Period (s) | NE 11 | — | — | — | — | E 8 | NE 10 | NE 8 | — | — | — | — | — | NE 9 | NE 9 | — | — | NE 10 | N 8 | N 8 | ENE 9 | ENE 9 | ENE 9 | — |
| kJ | 5 | — | — | — | — | 1 | 4 | 3 | — | — | — | — | — | 3 | 3 | — | — | 4 | 1 | 1 | 7 | 7 | 7 | — |
Wind waves Height (m) Direction Period (s) | E 5 | E 6 | E 6 | E 6 | E 5 | E 5 | E 5 | E 5 | E 6 | E 6 | E 6 | E 6 | E 6 | E 5 | E 5 | E 5 | E 5 | ESE 5 | E 5 | E 5 | E 5 | E 5 | E 5 | ESE 5 |
| kJ | 104 | 121 | 104 | 86 | 94 | 79 | 76 | 93 | 121 | 121 | 125 | 105 | 86 | 83 | 80 | 76 | 87 | 69 | 65 | 52 | 41 | 31 | 22 | 47 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 974 | 974 | 1193 | 859 | 1592 | 1740 | 1588 | 1223 | 974 | 857 | 775 | 1074 | 778 | 778 | 797 | 925 | 797 | 699 | 462 | 699 | 1447 | 1588 | 1206 | 875 |
Best forecast wave conditions in South Florida | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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