Ohara surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 8 am Thursday 21 May 2026 JST
Forecast update in hr  min  s Forecast update imminent
Ohara surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Ohara sea temperature is
21.2° C
(Which is normal for this time of year)

How big are the waves at Ohara today?

The current surf forecast for Ohara at 1PM is: 2.1m 7s primary swell from a South-southwest direction and 0.7m 10s secondary swell from a East-southeast direction, 0.1m 7s secondary swell from a Northeast direction (forecast issued at 08:00am May 21). The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (21 May)5ft (1.5m)6s
Afternoon (21 May)6.5ft (2.0m)8s
Evening (21 May)5ft (1.5m)8s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 20mm), heaviest during Thu afternoon. Warm (max 24°C on Thu morning, min 14°C on Fri night). Winds decreasing (strong winds from the NNE on Fri afternoon, light winds from the E by Sat afternoon).

Thursday
21
Friday
22
Saturday
23
Sun
24
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
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
Rating
(10 max)
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
1
1
1
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.7
SE
9
1.5
S
6
2.1
SSW
7
2
SSW
8
1.7
SSW
8
1.5
S
8
1.2
S
8
1.3
NE
7
1.6
NE
7
1.7
NE
7
2.1
NE
7
2.5
NE
8
3
ENE
8
2.5
ENE
9
2.4
ENE
9
2.2
ENE
9
2.1
ENE
9
2
ENE
9
1.8
E
9
1.7
E
9
1.9
E
9
1.6
E
9
1.6
E
9
1.5
E
9
Wave Graph
Metric surfscale
Energy kJ
88
184
420
438
373
301
186
147
215
293
452
906
1176
1083
942
761
697
586
494
435
554
395
402
342
Wind (km/h)
25
SW
35
SW
35
SW
25
WSW
25
NNE
25
NNE
30
NNE
30
NNE
35
NNE
40
NNE
45
NNE
45
NNE
40
NNE
40
NE
30
NNE
30
NNE
30
NE
25
NE
25
NE
20
ENE
15
E
20
ESE
20
ESE
15
ESE
cross-off
cross-off
cross-off
cross-off
on
on
on
on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross-off
cross-off
cross-off
High Tide
5:48AM1.44m
9:22PM1.22m
6:38AM1.33m
10:21PM1.19m
7:45AM1.19m
11:12PM1.20m
Low Tide
1:38PM0.11m
1:32AM1.06m
2:32PM0.25m
3:00AM1.02m
3:30PM0.40m
part cloud
cloud
light rain
light rain
light rain
light rain
light rain
cloud
cloud
light rain
light rain
light rain
light rain
light rain
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:30
4:30
4:28
4:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:38
6:39
6:40
6:40
1
4
4
1
1
1
2
3
1
1
Temp °C
22
24
24
22
17
16
16
17
17
17
16
15
15
14
15
15
16
17
18
19
20
19
19
19
21
22
21
21
14
13
12
13
12
11
9
7
8
7
9
9
10
12
13
15
18
16
17
17
Swell 1
Height (m)
Direction
Period (s)
0.7
SE
9
0.7
SE
9
0.7
SE
9
0.7
ESE
10
1.7
SSW
8
1.5
S
8
1.2
S
8
1
S
8
0.9
SSW
8
0.8
S
7
0.7
S
7
0.6
S
7
0.5
S
7
0.4
S
7
0.4
SSW
7
0.3
SSW
7
0.3
S
7
0.3
S
6
0.2
S
6
0.2
S
6
1.6
E
9
0.1
SW
7
0.2
ESE
12
1.5
E
9
Energy kJ
88
86
90
83
373
301
186
124
94
70
51
39
26
16
16
9
8
7
3
3
389
2
14
342
Swell 2
Height (m)
Direction
Period (s)
0.2
ENE
8
0.2
ENE
7
0.1
NE
7
0.1
E
11
0.6
ESE
10
0.6
ESE
9
0.6
ESE
9
0.6
ESE
9
0.6
ESE
9
0.5
SE
9
0.4
ESE
10
0.2
S
9
0.1
SE
7
0.1
SW
10
0.3
SW
8
0.1
SW
8
0.2
SSE
7
0.2
S
6
0.2
S
6
0.1
NE
11
0.1
NE
11
0.1
NE
10
Energy kJ
6
5
2
2
61
59
59
58
58
41
37
6
2
4
10
2
5
3
3
5
4
4
Swell 3
Height (m)
Direction
Period (s)
0.1
E
12
0.1
NE
12
0.1
E
11
0.1
NE
11
0.1
NE
11
0.1
E
11
0.1
NE
11
0.1
NE
11
0.1
SW
10
0.1
SE
8
0.1
SW
7
0.1
SW
7
0.1
SE
12
Energy kJ
3
6
3
5
5
2
5
5
4
2
2
2
6
Wind waves
Height (m)
Direction
Period (s)
1.1
S
6
1.5
S
6
2.1
SSW
7
2
SSW
8
0.5
NE
5
1.2
NE
5
1.3
NE
6
1.3
NE
7
1.6
NE
7
1.7
NE
7
2.1
NE
7
2.5
NE
8
3
ENE
8
2.5
ENE
9
2.4
ENE
9
2.2
ENE
9
2.1
ENE
9
2
ENE
9
1.8
E
9
1.7
E
9
1.9
E
9
1.6
E
9
1.6
E
9
1.1
SE
6
Energy kJ
80
184
420
438
13
82
120
147
215
293
452
906
1176
1083
942
761
697
586
494
435
554
395
402
77
Nearest Offshore or Glassy
Rating
(10 max)
1
3
2
1
3
2
1
1
2
2
2
1
1
1
1
1
1
1
1
1
1
4
1
1
Distance (km)
151
563
32
9
58
58
58
85
213
213
213
581
542
623
827
872
869
869
953
953
111
827
111
58
Best forecast wave conditions in Chiba
Rating
(10 max)
2
1
3
4
1
1
Best forecast wave conditions in Japan
Rating
(10 max)
2
3
2
3
3
4
3
2
2
2
2
1
1
1
2
1
1
1
1
1
1
4
1
3
Header Global
Rating
(10 max)
5
5
5
5
5
5
4
5
4
4
5
7
8
7
6
5
5
6
7
7
8
8
7
6
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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