Surf Forecasts:
How big are the waves at Onjuku today (15 Jul):
- Afternoon surf: Afternoon surf (15 Jul, local time) - 1.5ft (0.5m), 8s period with E swell.
- Evening surf: Evening surf (15 Jul, local time) - 2.5ft (0.7m), 9s period with E swell.
The current surf forecast for Onjuku at 11PM is: 0.7m 9s primary swell from a East direction and 0.2m 9s secondary swell from a South-southeast direction, 1.1m 5s secondary swell from a South direction (forecast issued at 02:00pm July 15). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Jul) | - | - |
| Afternoon (15 Jul) | 1.5ft (0.5m) | 8s |
| Evening (15 Jul) | 2.5ft (0.7m) | 9s |
Table - waves today at Onjuku. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Thu night. Warm (max 28°C on Wed afternoon, min 25°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Wed 15 | Thursday 16 | Friday 17 | Sat 18 | |||||||||||||||||||||
12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | |
Swell Height Map |  |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SE 10 | E 8 | E 8 | E 9 | E 9 | ESE 9 | ESE 9 | ESE 8 | ESE 8 | ESE 9 | ESE 9 | ESE 9 | E 8 | ESE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ESE 9 | ESE 9 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 34 | 31 | 52 | 78 | 96 | 99 | 99 | 96 | 94 | 99 | 129 | 129 | 90 | 120 | 90 | 92 | 71 | 90 | 68 | 66 | 69 | 69 | 168 | 172 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | cross-on | cross-on | on | on | on | on | on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 6:24PM1.37m | 4:33AM1.52m | 6:54PM1.36m | 5:24AM1.49m | 7:20PM1.34m | 6:15AM1.41m | ||||||||||||||||||
Low Tide | 11:09AM-0.09m | 11:12PM0.96m | 11:51AM-0.03m | 11:55PM0.87m | 12:29PM0.08m | 00:40AM0.77m | ||||||||||||||||||
 | | |  | | |  | | | | | |  | | | | | | | | | |  | | |
 | — | — | — | — | — | 4:35 | — | — | — | — | — | — | — | 4:35 | — | — | — | — | — | — | — | 4:35 | — | — |
 | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | 6:52 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | 1 | — |
Temp °C | 28 | 28 | 27 | 26 | 26 | 26 | 26 | 27 | 28 | 28 | 27 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 26 | 25 | 25 | 25 | 25 | 26 |
Feels °C | 30 | 30 | 29 | 27 | 27 | 28 | 29 | 30 | 31 | 31 | 30 | 29 | 29 | 29 | 28 | 28 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 9 | E 9 | ESE 9 | ESE 9 | ESE 8 | ESE 8 | ESE 9 | ESE 9 | ESE 9 | E 8 | ESE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | SE 5 | E 8 | ESE 9 | ESE 9 |
| kJ | 34 | 31 | 52 | 78 | 96 | 99 | 99 | 96 | 94 | 99 | 129 | 129 | 90 | 120 | 90 | 92 | 71 | 90 | 68 | 66 | 25 | 69 | 168 | 172 |
Swell 2 Height (m) Direction Period (s) | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSE 9 | SSW 9 | SSW 9 | SSW 9 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SE 10 | SE 10 | SSW 8 | E 6 | SE 10 | SE 9 | SE 9 | E 5 | E 8 | ESE 5 | SE 9 | SE 9 |
| kJ | 29 | 28 | 16 | 16 | 8 | 16 | 8 | 7 | 7 | 7 | 7 | 7 | 14 | 14 | 6 | 17 | 23 | 22 | 29 | 13 | 69 | 18 | 29 | 20 |
Swell 3 Height (m) Direction Period (s) | SE 10 | ESE 9 | SE 11 | SSE 9 | SE 11 | SE 11 | SE 13 | S 14 | SSE 10 | SE 11 | SE 10 | SE 10 | SSW 8 | SSW 8 | SE 14 | SE 10 | SSW 8 | SSW 8 | SSW 8 | SE 9 | SE 8 | SE 9 | SW 7 | SW 7 |
| kJ | 34 | 16 | 18 | 8 | 5 | 5 | 6 | 4 | 9 | 18 | 17 | 24 | 6 | 6 | 8 | 23 | 6 | 6 | 6 | 28 | 25 | 22 | 2 | 2 |
Wind waves Height (m) Direction Period (s) | S 3 | S 4 | S 4 | S 5 | S 5 | S 5 | S 5 | S 5 | S 5 | S 5 | S 5 | SSE 5 | SSE 5 | SSE 5 | SE 5 | SSE 5 | SE 5 | SSE 5 | SE 5 | S 4 | — | SSW 4 | SSW 4 | SSW 4 |
| kJ | 3 | 9 | 21 | 34 | 59 | 62 | 41 | 31 | 23 | 21 | 27 | 31 | 33 | 22 | 53 | 42 | 49 | 36 | 32 | 13 | — | 6 | 4 | 3 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 9 | 9 | 9 | 17 | 17 | 9 | 17 | 17 | 9 | 9 | 9 | 9 | 9 | 9 | 17 | 206 | 9 | 103 | 9 | 9 | 9 | 9 | 9 | 9 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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