Surf Forecast Surf Report
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Onjuku surf break200

Onjuku surfForecast / Chiba / Japan

information circle12 Day Weather and Surf, issued 8 am Thursday 24 Oct 2024 JST
Forecast update in hr  min  s Forecast 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
25.4° C
(Which is 2.6°C warmer than normal for this time of year)


Best Forecast Surf Conditions for Onjuku this week:

The surf forecast for Onjuku over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Oct 24) at 12PM. The primary swell is predicted to be 1.2m and 10s period with a secondary swell of 0.7m and 6s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Onjuku in the next 12 days are 3.0m 8s and forecast to arrive on Thursday (Oct 31) at 12AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 6s period and expected on Friday (Oct 25) at 6AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+)12PM (Thu 24th Oct)4ft (1.2m) 10s
Best Surf12AM (Thu 31st Oct)10ft (3.0m) 8s
Most Powerful12AM (Thu 31st Oct)10ft (3.0m) 8s

Table - best surf conditions forecast for Onjuku over the next 12 days.

Updates in  hr  min  s Forecast update imminent
Thursday
24
Friday
25
Saturday
26
Sunday
27
Monday
28
Tuesday
29
Wednesday
30
Thursday
31
Friday
01
Saturday
02
Sunday
03
Monday
04
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.2
E
1.2
ESE
1
E
1.7
ENE
1.6
NE
2
E
1.6
E
1.5
E
1.5
ESE
1.1
E
1.4
E
1.3
E
1.3
E
1.2
E
0.9
E
1.8
ENE
1
SSE
1.1
SSE
1.8
E
2.2
E
3
ESE
2.2
ESE
2.1
E
1.9
ENE
1.6
ENE
1.2
E
1.5
E
1.4
E
1.3
E
1.2
E
1.2
E
1.3
ENE
1.4
NE
0.6
NE
0.5
E
0.4
ESE
Period(s) (?)1010106688991113141313137121188888810109101010101079109
Wave
Graph
(?)Metric surfscale
Energy (?)3143002002252165073643553523036946535774802523343033194125581216665608480443290392362318271271295189504929
Wind
(km/h)
5
NW
20
NE
20
NNE
35
NNE
35
NE
25
NE
20
NE
20
ENE
10
NE
10
E
10
E
15
S
25
W
30
NE
30
NNE
30
NE
35
NE
20
NE
20
NE
15
NE
15
N
35
NE
30
NE
25
NE
20
ENE
20
ENE
15
ENE
15
ENE
15
ENE
5
SSW
25
SW
20
WSW
30
NNE
30
NNE
30
NNE
15
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
offcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscrossoncrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
glasscross-
on
crosscross-
off
offcross-
off
cross-
off
High Tide
/ height (m)
6:49PM
1.23
2:01PM
1.14
2:02PM
1.18
12:03AM
1.04
2:14PM
1.22
1:36AM
1.10
2:29PM
1.26
2:32AM
1.18
2:45PM
1.30
3:16AM
1.25
3:02PM
1.34
3:55AM
1.31
3:20PM
1.37
4:31AM
1.35
3:39PM
1.40
5:07AM
1.36
3:59PM
1.42
5:42AM
1.35
4:21PM
1.44
6:20AM
1.31
4:45PM
1.44
Low Tide
/ height (m)
4:17AM
0.46
5:55AM
0.52
7:50PM
0.94
7:06AM
0.54
8:15PM
0.79
7:55AM
0.56
8:40PM
0.64
8:32AM
0.58
9:05PM
0.50
9:04AM
0.61
9:30PM
0.37
9:34AM
0.66
9:56PM
0.26
10:01AM
0.71
10:23PM
0.17
10:28AM
0.77
10:52PM
0.12
10:53AM
0.83
11:23PM
0.10
11:18AM
0.88
11:57PM
0.11
Thursday
24
Friday
25
Saturday
26
Sunday
27
Monday
28
Tuesday
29
Wednesday
30
Thursday
31
Friday
01
Saturday
02
Sunday
03
Monday
04
Sunrise5:52--5:52--5:54--5:54--5:56--5:56--5:56--5:58--5:58--6:00--6:01--6:01--
Sunset-4:52--4:51--4:50--4:49--4:47--4:46--4:45--4:45--4:44--4:43--4:42--4:40-
part cloudcloudthunderstorm light rainpart cloudpart cloudpart cloudcloudpart cloudpart cloudpart cloudrain showersthunderstorm light rainlight rainpart cloudclearpart cloudpart cloudcloudpart cloudclearclearpart cloudpart cloudpart cloudpart cloudpart cloudclearpart cloudclearpart cloudcloudcloudcloudclear
Rain (mm)
--23-------1544---------------------
Temp. °C242322192021202020222222211818191919191818201920212121222222242420131414
Feels °C (?)272323151617171719212221201414141314151616141316171719212124212314578

Short Range Forecast: Light rain (total 5mm), mostly falling on Fri morning. Warm (max 24°C on Thu morning, min 19°C on Fri morning). Winds increasing (light winds from the NW on Thu morning, fresh winds from the NNE by Fri morning).

Days 3-6 Weather Summary Moderate rain (total 14mm), heaviest on Mon morning. Warm (max 22°C on Sun morning, min 16°C on Mon night). Winds increasing (light winds from the E on Sun morning, fresh winds from the NE by Tue morning).

Days 6-9 Weather Summary Mostly dry. Warm (max 21°C on Fri morning, min 17°C on Wed night). Winds decreasing (fresh winds from the NE on Thu morning, light winds from the ENE by Fri night).

Long Range Forecast: Mostly dry. Warm (max 24°C on Sun morning, min 12°C on Mon morning). Winds increasing (calm on Sat night, fresh winds from the NE by Sun night).

  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
<span class="translation_missing" title="translation missing: en.leaflet.map_placeholder_alt">Map Placeholder Alt</span>
Thu
24
Fri
25
Sat
26
Sun
27
Mon
28
Tue
29
Wed
30
Thu
31
Fri
01
Sat
02
Sun
03
Mon
04
Tue
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Information about the Onjuku Surf forecast

The above surf forecast table for Onjuku provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Onjuku can be found by selecting the local surf guide option on the grey menu. Our Onjuku surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Onjuku) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Onjuku may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Onjuku is 3 km (2 miles) from Ohara. If you plan a holiday in Chiba, look for hotels and other accommodation in Ohara. Ohara has rooms for a wide range of budgets as well as car hire and transport links.

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