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Keta Reef Oshima surfForecast / Izu Islands / Japan

information circle48hr Weather and Surf, issued 8 pm Sunday 13 Jul 2025 JST
Forecast update in hr  min  s Forecast update imminent
Keta Reef Oshima surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Keta Reef Oshima sea temperature is
27.5° C
 (Which is 1.8°C warmer than normal for this time of year)

How big are the waves at Keta Reef Oshima today?

The current surf forecast for Keta Reef Oshima at 12AM is: 0.9m 9s primary swell from a East-southeast direction and 0.5m 8s secondary swell from a South-southeast direction (forecast issued at 08:00pm July 13). The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (14 Jul)--
Afternoon (14 Jul)--
Evening (14 Jul)2.5ft (0.8m)10s

Table - waves today at Keta Reef Oshima. (Swell directed towards the surf break)

Hourly12 Days
Izu Islands Surf
Print Surf Table
Updates in  hr  min  s Forecast update imminent 
Sun
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Mon
21
6 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 PM6 PM9 PM0 AM3 AM
Rating
(10 max)
1
0
1
0
0
0
0
0
1
0
0
0
0
0
0
0
1
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.8
ESE
0.8
ESE
0.9
ESE
0.9
SE
0.7
ESE
0.9
SE
0.6
SE
3
SE
2.5
SE
2.3
SE
2.1
SE
2.5
SE
2.4
SE
2.4
SE
2.5
SE
3
SE
3.5
SSE
3
SSE
3.5
SSE
3.5
SSE
3
SSE
2.5
SSE
2.5
SSE
2.5
SSE
2
SE
3
SSE
2.5
SSE
2.4
SSE
1.6
S
1.4
SE
1.6
SE
1.4
SE
1.6
S
1.2
S
1.3
S
1.1
SE
1
ESE
1.1
SE
0.9
ESE
0.9
ESE
0.9
ESE
0.9
ESE
0.9
ESE
0.9
ESE
0.9
ESE
0.9
ESE
1
SE
0.9
ESE
0.9
ESE
0.9
ESE
0.9
ESE
0.8
ESE
0.8
ESE
0.8
ESE
0.8
ESE
0.8
ESE
0.9
ESE
0.9
SSW
0.8
SSW
1
SSW
Period(s) (?)910971071613121211111111111111111111111010101010998989788999910101010101010101010999999910121112
Wave
Graph
(?)Metric surfscale
Energy (?)140163198137162140411256120631514134919331550154917832177570222272810326623161614263013781222140216941283985881671640763497562396371291237241245227214213202204232220234211208228233211215267323440332425
Wind
(km/h)
10
SE
20
S
5
SE
20
NE
35
NNE
40
N
20
NNW
40
SW
30
SSW
40
SSW
40
S
35
S
35
S
30
S
40
S
50
SSE
40
SSE
50
SSW
55
SSW
50
SSW
40
S
45
S
45
SSE
50
S
50
SSW
35
SSW
30
SSW
20
SW
20
SSW
25
S
25
S
25
SSW
15
SSW
20
SSW
15
SW
10
SW
10
SSW
10
S
10
S
15
S
15
S
5
S
10
S
10
SSE
5
ENE
10
E
10
E
15
SSE
10
SE
10
ESE
10
SE
5
ESE
10
NE
10
ENE
10
ESE
15
SE
15
SE
15
SE
5
ESE
10
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		crosscross-
off		cross-
off		cross-
off		crosscrosscross-
on		crosscrosscrosscrosscrosscrosscrosscross-
off		cross-
off		cross-
on		cross-
on		crosscrosscrosscross-
off		crosscross-
on		cross-
on		cross-
on		cross-
on		crosscrosscrosscrosscrosscrosscross-
on		cross-
on		cross-
on		crosscrosscrosscrosscrosscrosscross-
off		offoffoffcross-
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
High Tide
/ height (m)
7:28PM
1.41
5:58AM
1.48
7:55PM
1.40
6:44AM
1.43
8:22PM
1.39
7:37AM
1.34
8:49PM
1.38
8:40AM
1.24
9:18PM
1.38
10:05AM
1.14
9:50PM
1.37
12:07PM
1.10
10:31PM
1.37
2:26PM
1.17
11:29PM
1.36
Low Tide
/ height (m)
12:39AM
0.87
1:01PM
0.10
1:19AM
0.80
1:37PM
0.22
2:04AM
0.73
2:12PM
0.38
2:56AM
0.65
2:49PM
0.56
3:59AM
0.56
3:29PM
0.76
5:12AM
0.47
4:20PM
0.95
6:32AM
0.36
5:49PM
1.11
Sun
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Mon
21
Sunrise----4:39-------4:39-------4:39-------4:41-------4:41-------4:41-------4:43-------
Sunset6:57-------6:57-------6:55-------6:55-------6:54-------6:54-------6:53-------6:53---
rain showersrain showersrain showersthunderstorm light rainlight raincloudthunderstorm thunderstorm thunderstorm thunderstorm thunderstorm thunderstorm thunderstorm thunderstorm thunderstorm thunderstorm thunderstorm thunderstorm mod rainthunderstorm mod rainthunderstorm thunderstorm thunderstorm thunderstorm thunderstorm part cloudthunderstorm thunderstorm thunderstorm thunderstorm clearthunderstorm clearclearclearclearclearclearclearclearcloudclearclearclearclearclearclearclearclearclearclearthunderstorm clearclearclearclearclearpart cloud
Rain (mm)
222111-1141223352618428612912313-5632-1-------------------1------
Temp. °C272726262626262727272727272726262627262525272727262626262727282828272626262627272727262626262727272727262626272828272727
Feels °C (?)302929272423262527262626272724232424222123242424222525282827292930282829303030293031302929293128303031302930303130303131
  • 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

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 Keta Reef Oshima 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 Keta Reef Oshima at:
surf-forecast.com

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