Surf Forecast Surf Report
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Surf Forecasts
Onjuku surf break

Onjuku surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 8 am Monday 16 Jun 2025 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
22.0° C
 (Which is slightly cooler than normal)

How big are the waves at Onjuku today?

The current surf forecast for Onjuku at 11AM is: 1.0m 7s primary swell from a South direction (forecast issued at 08:00am June 16). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (16 Jun)3.5ft (1.1m)7s
Afternoon (16 Jun)2.5ft (0.7m)6s
Evening (16 Jun)4.5ft (1.4m)8s

Table - waves today at Onjuku. (Swell directed towards the surf break)

Hourly12 Days
Chiba Surf
Print Surf Table
Updates in  hr  min  s Forecast update imminent 
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM
Rating
(10 max)
1
1
0
0
0
0
0
0
1
1
0
2
1
2
1
1
1
1
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
1
1
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.2
S
1.1
S
1
S
0.7
SSE
0.7
SSE
1.4
SW
1.3
SSW
1.4
SW
1.7
SW
1.9
SW
1.5
SW
1.9
SW
1.6
SW
1.4
SW
0.8
SSW
0.8
SSW
0.7
SSW
0.5
SSW
0.5
SSW
0.3
SE
0.3
SE
0.3
SE
0.3
SE
0.3
SE
0.3
SE
0.3
SE
0.3
SE
0.3
SE
0.3
SE
0.3
SE
0.3
SE
0.3
SE
0.3
SE
0.3
SE
0.3
SE
0.4
SE
0.4
SE
0.4
SE
0.4
SE
0.4
SE
0.4
SE
0.4
SE
0.4
SE
0.4
SE
0.4
SE
0.4
SE
0.4
SE
0.4
SE
0.4
SE
0.4
SE
1
SSW
1.1
SSW
1.1
SSW
1.1
SSW
1.2
SSW
1.4
SW
1.4
SW
0.6
ESE
0.5
SE
0.6
ESE
Period(s) (?)87766888888888777771211111111111111111111111010101010101010101010101010991010105556666999
Wave
Graph
(?)Metric surfscale
Energy (?)16513995827232330440152756941660042332074715951514543393733384033322929292826322540403030302827343735343655495889101126138157285248846172
Wind
(km/h)
10
NNE
10
ENE
10
SSE
10
S
15
SSW
10
SW
15
SW
25
WSW
20
WSW
15
WSW
15
SSW
10
SSW
5
S
5
SE
0
SSW
5
NE
10
NE
15
ENE
15
E
10
ESE
10
E
10
E
5
NE
10
NE
10
NNE
15
ENE
15
ENE
15
ENE
15
ENE
10
ENE
5
NNE
5
NNE
10
NNE
10
ENE
10
ENE
10
E
5
E
5
ENE
5
NNE
5
N
5
N
5
ESE
10
SSE
15
S
15
SSW
15
SSW
15
SSW
20
SSW
20
SSW
25
SSW
30
SSW
30
SSW
30
SSW
30
SSW
15
SW
5
NW
15
N
15
NE
20
ENE
15
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
on		oncross-
on		cross-
on		cross-
on		cross-
on		crosscross-
on		cross-
on		ononglassglassglasscross-
off		cross-
off		crosscrosscrosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offcross-
off		cross-
off		cross-
off		crosscross-
off		glassglassglassglassglassonononcross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		oncross-
on		cross-
on		cross-
on		glassoffcross-
off		cross-
off		cross-
off
High Tide
/ height (m)
6:18AM
1.32
9:00PM
1.28
7:10AM
1.24
9:40PM
1.28
8:19AM
1.14
10:18PM
1.29
9:53AM
1.05
10:57PM
1.30
11:49AM
1.03
11:36PM
1.32
1:40PM
1.09
12:17AM
1.35
3:05PM
1.19
1:01AM
1.39
Low Tide
/ height (m)
1:41PM
0.21
2:10AM
0.94
2:24PM
0.31
3:21AM
0.87
3:10PM
0.44
4:37AM
0.76
4:03PM
0.59
5:49AM
0.61
5:05PM
0.74
6:52AM
0.44
6:17PM
0.88
7:47AM
0.26
7:29PM
0.98
8:39AM
0.11
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Sunrise4:22-------4:22-------4:22-------4:22-------4:24-------4:24-------4:24-------4:24---
Sunset----6:53-------6:54-------6:54-------6:54-------6:54-------6:55-------6:55-------
clearpart cloudpart cloudpart cloudclearclearclearpart cloudclearclearclearpart cloudclearclearclearclearpart cloudpart cloudclearclearclearclearclearpart cloudpart cloudpart cloudcloudpart cloudclearclearpart cloudclearclearclearclearclearclearclearclearclearclearpart cloudpart cloudpart cloudpart cloudclearclearclearclearpart cloudpart cloudpart cloudpart cloudpart cloudcloudpart cloudpart cloudpart cloudpart cloudcloud
Rain (mm)
------------------------------------------------------------
Temp. °C212324252424242324272827252524232325262624232322232425242322222222232424232222222224252524232322232425252423242424252626
Feels °C (?)222527282727262325303130292929272527282927262725262627262525252524252526262525252527272626252422232324242422272826262627
  • 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>

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Onjuku surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Onjuku at:
surf-forecast.com

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