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Surf Forecasts

Kuminatu surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 8 am Friday 09 May 2025 JST
Forecast update in hr  min  s Forecast update imminent
Kuminatu surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Kuminatu sea temperature is
17.0° C
 (Which is 2.8°C colder than average for this time of year)

How big are the waves at Kuminatu today?

The current surf forecast for Kuminatu at 2PM is: 0.9m 6s primary swell from a Southeast direction and 0.5m 9s secondary swell from a East direction, 0.4m 9s secondary swell from a Northeast direction (forecast issued at 08:00am May 09). The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (09 May)3ft (0.9m)6s
Afternoon (09 May)3ft (0.9m)6s
Evening (09 May)4ft (1.2m)6s

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

Hourly12 Days
Chiba Surf
Print Surf Table
Updates in  hr  min  s Forecast update imminent 
Friday
09
Saturday
10
Sunday
11
Monday
12
Tuesday
13
Wednesday
14
Thursday
15
Friday
16
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)
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
0
1
0
0
0
0
0
1
2
2
1
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.9
SE
0.9
SE
0.9
SE
0.9
SSE
0.9
SSE
1.2
SSE
1.5
SSE
2
SSE
3
SSE
2.2
SSW
2.5
SSE
3
S
2.5
SSW
3
SW
3
SW
2.5
SW
2.3
SW
2
SW
1.8
SW
1.8
SW
1.8
SW
1.7
SW
1.5
SW
1.7
SW
0.9
ESE
0.9
ESE
1
ESE
0.9
ESE
0.9
ESE
0.9
ESE
0.6
E
0.6
E
0.6
E
0.6
E
0.6
E
0.5
E
0.4
E
0.4
E
0.4
E
0.4
E
0.4
E
0.4
E
0.9
ESE
0.9
ESE
0.9
ESE
0.9
ESE
0.8
ESE
0.8
ESE
1.1
SE
1.1
SE
1.1
SE
1.1
SE
1.1
SE
1.1
SE
1.1
SE
1.1
SE
1.1
SE
1
SE
0.9
SE
0.9
SE
Period(s) (?)666666667899999888888877121212121111111111111110101010101010666666666666666666
Wave
Graph
(?)Metric surfscale
Energy (?)5454475553811483298806141010141299213251242865636470385359375320225269228228265196180170828282818251313131313132476664484741677980806977757277736466
Wind
(km/h)
10
SSE
15
SE
15
SSE
20
S
15
SSE
25
SSE
25
SSE
35
SSE
35
SSE
40
SW
25
SW
40
SW
45
SW
45
SW
45
SW
40
WSW
40
SW
25
WSW
15
SW
20
SW
25
WSW
25
SW
25
WSW
25
SW
15
WSW
10
W
20
NNE
15
NE
10
ENE
5
ESE
5
SE
5
SE
5
SE
10
SE
10
SSE
10
SSE
10
ESE
5
ENE
5
N
5
NNW
5
N
5
ESE
10
SSE
15
S
15
S
15
SSE
15
S
10
S
10
SSE
20
SSE
15
SSE
15
SSE
10
SSE
15
SSE
15
SE
10
SSE
10
S
10
S
15
S
15
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
onononononononononcross-
on		crosscrosscross-
on		crosscrosscrosscrosscrosscrosscross-
on		crosscross-
on		crosscrosscrosscross-
off		cross-
off		cross-
off		crossglassglasscross-
on		cross-
on		onononcross-
on		glassglassoffoffglassoncross-
on		onononcross-
on		onononononononononononon
High Tide
/ height (m)
3:10PM
1.17
2:46AM
1.29
3:53PM
1.23
3:09AM
1.31
4:33PM
1.26
3:32AM
1.33
5:11PM
1.27
3:56AM
1.34
5:49PM
1.27
4:21AM
1.34
6:28PM
1.25
4:50AM
1.34
7:11PM
1.23
5:20AM
1.32
Low Tide
/ height (m)
8:55AM
0.40
8:48PM
0.58
9:23AM
0.27
9:25PM
0.62
9:51AM
0.15
9:58PM
0.66
10:20AM
0.06
10:30PM
0.71
10:50AM
0.00
11:02PM
0.76
11:22AM
-0.02
11:34PM
0.80
11:57AM
-0.01
12:08AM
0.84
12:34PM
0.02
Friday
09
Saturday
10
Sunday
11
Monday
12
Tuesday
13
Wednesday
14
Thursday
15
Friday
16
Sunrise4:41-------4:39-------4:39-------4:37-------4:37-------4:35-------4:35-------4:35---
Sunset----6:30-------6:30-------6:31-------6:31-------6:32-------6:34-------6:35-------
cloudcloudcloudcloudcloudlight rainlight rainlight rainlight rainmod rainlight raincloudcloudpart cloudclearclearclearclearpart cloudpart cloudcloudcloudcloudlight rainlight rainlight raincloudcloudcloudcloudcloudcloudcloudcloudcloudlight raincloudpart cloudpart cloudclearclearclearclearclearclearpart cloudpart cloudcloudcloudcloudpart cloudclearcloudcloudcloudlight rainlight rainlight raincloudcloud
Rain (mm)
-----2434101------------422---------1-------------------111--
Temp. °C181818181817161818211922212020201920212019181816161615161615161617192020191918181820212019191918181919191919191919202121
Feels °C (?)161615151613121414171718151412121216191716141513151512141515161617181920192019181821201918191917171717171918181918202020
  • 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>

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

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