Surf Forecast Surf Report
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Kuminatu surfForecast / Chiba / Japan

information circle12 Day Weather and Surf, issued 2 am Friday 22 Nov 2024 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
22.8° C
(Which is 1.8°C warmer than normal for this time of year)


Best Forecast Surf Conditions for Kuminatu this week:

The surf forecast for Kuminatu over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Nov 22) at 6AM. The primary swell is predicted to be 1.6m and 9s period with a secondary swell of 0.6m and 8s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Kuminatu in the next 12 days are 4.0m 10s and forecast to arrive on Wednesday (Nov 27) at 3AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.5m 9s period and expected on Friday (Nov 29) at 12AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Fri 22nd Nov)5ft (1.6m) 9s
Best Surf 9PM (Thu 28th Nov)10ft (3.0m) 10s
Most Powerful 3AM (Wed 27th Nov)13ft (4.0m) 10s

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

Updates in  hr  min  s Forecast update imminent
Friday
22
Saturday
23
Sunday
24
Monday
25
Tuesday
26
Wednesday
27
Thursday
28
Friday
29
Saturday
30
Sunday
01
Monday
02
Tuesday
03
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.5
E
1.2
E
1.1
E
1.7
ENE
1.7
ENE
1.4
ENE
1.6
ENE
1.6
ENE
1.4
ENE
1.3
ENE
1.2
ENE
0.9
ENE
0.7
ENE
1.1
SE
4.5
S
3
S
2.4
SSE
1.7
SSE
2.5
SW
2.5
SW
1.8
SW
1.4
SW
1.1
SW
2.3
SW
2.3
SW
3
SW
2.4
SW
1.5
SW
1.1
SW
0.8
SW
0.6
SW
0.6
SW
0.6
SW
0.4
SE
0.4
SE
0.4
SE
Period(s) (?)99111013121213121212111159109989109978991098887101010
Wave
Graph
(?)Metric surfscale
Energy (?)375235281567880608784799566508405221123653063169193943995210376143211685586221266101539918884493544272828
Wind
(km/h)
5
NNE
10
W
15
N
20
N
20
N
20
NNE
20
NNE
15
NE
20
NNE
20
NNE
15
NE
5
N
15
S
35
SSE
60
S
50
SW
50
WSW
40
WSW
35
WSW
15
WSW
40
WSW
40
WSW
45
WSW
40
WSW
20
WNW
5
SE
10
NW
5
NW
5
WSW
5
NW
10
NW
5
E
15
NNW
10
NW
15
WNW
15
N
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
cross-
off
cross-
off
glassononcross-
on
crosscrosscrosscrosscross-
off
crosscrosscrosscrosscross-
off
glassoffoffglasscross-
off
offcrossoffcross-
off
cross-
off
off
High Tide
/ height (m)
10:19AM
1.24
7:35PM
1.23
11:19AM
1.23
9:09PM
1.11
12:11PM
1.26
11:33PM
1.06
12:51PM
1.29
1:16AM
1.10
1:23PM
1.33
2:22AM
1.17
1:51PM
1.36
3:13AM
1.24
2:17PM
1.39
3:57AM
1.30
2:43PM
1.42
4:38AM
1.34
3:10PM
1.44
5:17AM
1.36
3:38PM
1.45
5:57AM
1.37
4:09PM
1.46
6:38AM
1.37
4:42PM
1.46
Low Tide
/ height (m)
2:48PM
1.08
3:30AM
0.46
4:56PM
1.03
4:39AM
0.57
6:42PM
0.90
5:50AM
0.65
7:33PM
0.75
6:52AM
0.70
8:09PM
0.59
7:45AM
0.75
8:41PM
0.44
8:29AM
0.79
9:11PM
0.30
9:09AM
0.83
9:42PM
0.19
9:46AM
0.87
10:13PM
0.10
10:22AM
0.90
10:46PM
0.04
10:58AM
0.93
11:21PM
0.01
11:35AM
0.96
11:59PM
0.01
Friday
22
Saturday
23
Sunday
24
Monday
25
Tuesday
26
Wednesday
27
Thursday
28
Friday
29
Saturday
30
Sunday
01
Monday
02
Tuesday
03
Sunrise6:20--6:20--6:22--6:22--6:24--6:24--6:26--6:26--6:26--6:28--6:28--6:30--
Sunset-4:29--4:29--4:28--4:28--4:28--4:27--4:27--4:27--4:27--4:27--4:25--4:25-
clearclearpart cloudpart cloudcloudpart cloudpart cloudpart cloudpart cloudclearclearpart cloudcloudrain showersheavy rainpart cloudclearclearclearclearclearclearpart cloudpart cloudpart cloudcloudpart cloudclearclearclearclearclearpart cloudclearclearclear
Rain (mm)
-------------125---------------------
Temp. °C171715121411121312121214172021171615141415171614141413141513151514151513
Feels °C (?)17151348578778131213128656105865111212121312141311121210

Short Range Forecast: Mostly dry. Very mild (max 17°C on Fri morning, min 9°C on Sun night). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 26mm), heaviest during Tue night. Warm (max 21°C on Tue night, min 10°C on Mon morning). Winds increasing (calm on Mon night, gales from the S by Tue night).

Days 6-9 Weather Summary Mostly dry. Very mild (max 17°C on Fri morning, min 11°C on Sat night). Winds decreasing (strong winds from the WSW on Fri afternoon, calm by Sat night).

Long Range Forecast: Mostly dry. Very mild (max 15°C on Sun afternoon, min 11°C on Tue night). Wind will be generally light.

  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Kuminatu Surf forecast

The above surf forecast table for Kuminatu provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Kuminatu can be found by selecting the local surf guide option on the grey menu. Our Kuminatu 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 (Kuminatu) 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 Kuminatu 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.

Kuminatu is 6 km (4 miles) from Katsuura. If you plan a holiday in Chiba, look for hotels and other accommodation in Katsuura. Katsuura has rooms for a wide range of budgets as well as car hire and transport links.

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