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Onjuku surf Forecast / Chiba / Japan
48hr Weather and Surf, issued 2 pm Thursday 18 Apr 2024 JST
Forecast update in hr min s Update imminent
Onjuku surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Onjuku sea temperature is 17.0°C (Statistics for 18 Apr 1981-2005 - mean: 18.3 °C max: 20.9 °C min: 16.2 °C)
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Onjuku surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Onjuku sea temperature is 17.0°C (Statistics for 18 Apr 1981-2005 - mean: 18.3 °C max: 20.9 °C min: 16.2 °C)
How big are the waves at Onjuku today?
The current surf forecast for Onjuku at 9PM is: 1.2m 12s primary swell from a East direction and 0.4m 6s secondary swell from a South direction (forecast issued at 02:00pm April 18). An open ocean swell of 1.2m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Apr) | - | - |
| Afternoon (18 Apr) | 4.5ft (1.3m) | 12s |
| Evening (18 Apr) | 4ft (1.2m) | 12s |
Table - waves today at Onjuku. (Swell directed towards the surf break)
Updates in hr min s Update imminent
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Swell Height Map |    |    |    |    |    |    |    |    | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 12 | 12 | 11 | 8 | 8 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 6 | 10 | 10 | 10 | 10 | 10 | 6 | 7 | 14 | 14 | 14 | 8 | 6 | 6 | 6 | 12 | 12 | 12 | 8 | 8 | 6 | 5 | 6 | 6 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Energy (?) | 444 | 480 | 464 | 383 | 284 | 675 | 302 | 739 | 683 | 561 | 441 | 399 | 356 | 314 | 274 | 190 | 154 | 111 | 88 | 86 | 86 | 67 | 71 | 71 | 153 | 78 | 50 | 40 | 38 | 35 | 6 | 15 | 32 | 32 | 32 | 11 | 8 | 8 | 39 | 27 | 23 | 23 | 54 | 43 | 54 | 53 | 114 | 312 | 743 | 1109 | 789 | 528 | 413 | 345 | 278 | 232 | 208 | 155 | 155 | 135 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross- off | cross- off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | on | on | on | on | on | cross- on | cross | cross | cross- on | cross- on | cross- on | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | cross- off | cross- off | cross- off | cross- on | cross- on | on |
High Tide / height (m) | 12:15PM 1.05 | 2:44AM 1.21 | 1:47PM 1.11 | 2:57AM 1.26 | 2:42PM 1.19 | 3:12AM 1.30 | 3:25PM 1.26 | 3:28AM 1.34 | 4:04PM 1.32 | 3:44AM 1.37 | 4:41PM 1.36 | 4:03AM 1.40 | 5:18PM 1.37 | 4:22AM 1.43 | 5:55PM 1.35 | |||||||||||||||||||||||||||||||||||||||||||||
Low Tide / height (m) | 7:30PM 0.52 | 8:35AM 0.83 | 8:16PM 0.52 | 8:58AM 0.69 | 8:52PM 0.53 | 9:22AM 0.55 | 9:23PM 0.55 | 9:47AM 0.41 | 9:52PM 0.60 | 10:13AM 0.30 | 10:19PM 0.66 | 10:41AM 0.20 | 10:45PM 0.72 | 11:10AM 0.14 | ||||||||||||||||||||||||||||||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 5:01 | - | - | - | - | - | - | - | 5:00 | - | - | - | - | - | - | - | 4:58 | - | - | - | - | - | - | - | 4:56 | - | - | - | - | - | - | - | 4:56 | - | - | - | - | - | - | - | 4:54 | - | - | - | - | - | - | - | 4:54 | - | - | - | - | - |
| Sunset | - | - | 6:13 | - | - | - | - | - | - | - | 6:14 | - | - | - | - | - | - | - | 6:15 | - | - | - | - | - | - | - | 6:15 | - | - | - | - | - | - | - | 6:15 | - | - | - | - | - | - | - | 6:16 | - | - | - | - | - | - | - | 6:17 | - | - | - | - | - | - | - | 6:19 | - |
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Rain (mm) | - | 1 | 3 | 8 | 6 | 3 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 2 | 5 | 6 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 7 | 6 | 11 | 12 | 4 | - | - | - | - | - | - |
| Temp. °C | 18 | 17 | 15 | 14 | 14 | 13 | 13 | 16 | 19 | 20 | 18 | 17 | 16 | 15 | 15 | 18 | 20 | 19 | 18 | 18 | 18 | 18 | 17 | 20 | 16 | 16 | 16 | 15 | 14 | 14 | 15 | 15 | 16 | 15 | 14 | 13 | 13 | 13 | 12 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 17 | 17 | 18 | 19 | 16 | 17 | 21 | 22 | 19 | 19 |
| Feels °C (?) | 15 | 14 | 11 | 8 | 8 | 8 | 9 | 8 | 12 | 14 | 13 | 14 | 13 | 11 | 11 | 14 | 18 | 15 | 15 | 15 | 17 | 17 | 16 | 16 | 11 | 12 | 14 | 15 | 10 | 7 | 8 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 7 | 9 | 10 | 11 | 12 | 12 | 12 | 11 | 12 | 11 | 12 | 14 | 14 | 12 | 15 | 19 | 13 | 14 | 20 | 22 | 19 | 20 |
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