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Surf Forecasts

Matsube Bay surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 8 am Monday 12 May 2025 JST
Forecast update in hr  min  s Forecast update imminent
Matsube Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Matsube Bay sea temperature is
17.8° C
 (Which is 2.3°C colder than average for this time of year)

How big are the waves at Matsube Bay today?

The current surf forecast for Matsube Bay at 3PM is: 0.7m 12s primary swell from a East direction and 0.1m 11s secondary swell from a Southeast direction, 1.1m 6s secondary swell from a Southwest direction (forecast issued at 08:00am May 12). The wind direction is predicted to be cross-shore.

Time (JST) & DateWave HeightWave Period
Morning (12 May)2.5ft (0.8m)12s
Afternoon (12 May)2.5ft (0.7m)12s
Evening (12 May)2.5ft (0.7m)11s

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

Hourly12 Days
Chiba Surf
Print Surf Table
Updates in  hr  min  s Forecast update imminent 
Monday
12
Tuesday
13
Wednesday
14
Thursday
15
Friday
16
Saturday
17
Sunday
18
Monday
19
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
1
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.8
ESE
0.8
ESE
0.8
E
0.7
E
0.7
E
0.7
E
0.7
E
0.7
ESE
0.8
ESE
0.5
E
0.5
E
0.5
E
0.5
E
0.5
E
0.5
E
0.4
E
0.4
E
0.4
E
0.5
E
0.5
ESE
0.5
ESE
0.5
E
0.5
ESE
0.5
E
0.5
ESE
0.5
E
0.5
ESE
0.6
ESE
0.7
ESE
0.6
ESE
0.6
ESE
0.6
E
0.5
E
0.5
E
0.5
E
0.5
E
0.5
E
0.5
E
0.5
E
0.9
S
1.3
S
1.5
S
1.4
S
1.3
S
1.2
S
1
SSE
0.7
SE
0.9
SSE
0.8
SSE
0.8
SSE
0.6
E
0.8
ESE
0.4
SE
0.9
SSE
0.7
ESE
1.1
SSW
1.2
SSW
1.4
SSW
1.7
SSW
1.7
SSW
Period(s) (?)12121212111111111111111010101010101010101010101010101010101010101010101010996777777766687117866667
Wave
Graph
(?)Metric surfscale
Energy (?)18318617713412311611612114956555149494831313151595852585257525878867775704948474746454556149211178154131835366515051624586557994137213234
Wind
(km/h)
25
WSW
25
WSW
25
SW
20
SW
10
NNE
20
NE
20
NE
15
NE
10
NNE
10
NE
10
E
10
SE
10
SE
10
SSE
5
SSW
5
WNW
5
E
10
ESE
10
SE
10
SE
10
SE
5
SSE
5
SSE
0
E
5
NNE
5
SE
10
SE
15
SSE
15
SSE
15
SSW
15
SSW
15
SSW
10
S
15
SSW
5
WSW
10
NE
20
E
15
SSE
20
WSW
5
WNW
5
WSW
15
SW
15
WSW
15
SW
15
WSW
10
WSW
5
W
5
WSW
5
SSW
15
SSW
20
SSW
20
SSW
20
SSW
20
SSW
20
SW
20
SW
20
SSW
15
SSW
10
SSE
20
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		crosscrosscross-
off		crosscrosscrosscross-
off		crosscross-
on		ononcross-
on		crossglassglassonononononglassglassglassononcross-
on		cross-
on		crosscrosscrosscross-
on		cross-
on		cross-
off		crosscross-
on		cross-
on		cross-
off		cross-
off		glasscrosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		glasscrosscrosscross-
on		cross-
on		cross-
on		crosscrosscrosscrosscross-
on		oncross
High Tide
/ height (m)
3:18AM
1.38
5:06PM
1.32
3:41AM
1.41
5:42PM
1.32
4:06AM
1.42
6:20PM
1.30
4:33AM
1.42
7:00PM
1.26
5:01AM
1.41
7:46PM
1.22
5:32AM
1.38
8:40PM
1.19
6:07AM
1.33
9:44PM
1.18
6:50AM
1.25
Low Tide
/ height (m)
10:14AM
0.17
10:15PM
0.84
10:44AM
0.12
10:43PM
0.89
11:16AM
0.10
11:10PM
0.93
11:51AM
0.11
11:39PM
0.96
12:28PM
0.14
12:11AM
0.99
1:09PM
0.19
12:52AM
1.03
1:55PM
0.25
1:56AM
1.05
2:49PM
0.33
Monday
12
Tuesday
13
Wednesday
14
Thursday
15
Friday
16
Saturday
17
Sunday
18
Monday
19
Sunrise4:37-------4:37-------4:35-------4:35-------4:33-------4:33-------4:33-------4:31---
Sunset----6:31-------6:32-------6:34-------6:34-------6:35-------6:36-------6:37-------
light raincloudcloudcloudcloudcloudcloudcloudcloudpart cloudpart cloudpart cloudclearclearclearcloudcloudcloudcloudcloudcloudpart cloudclearclearclearpart cloudpart cloudpart cloudpart cloudpart cloudcloudpart cloudcloudcloudcloudlight rainlight rainheavy rainlight rainlight rainlight rainlight rainlight rainpart cloudclearclearclearclearcloudpart cloudpart cloudclearpart cloudpart cloudpart cloudpart cloudcloudcloudlight rainlight rain
Rain (mm)
1----------------------------------351451411---------------11
Temp. °C161719191716161616171819181818181819202019191818182021201919191819201817171818161618192020191919192122222020202020212121
Feels °C (?)131416161613131414151717171718191919202020201920192121191819181718191817161817171718191920191920202121211919201920222321
  • 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 Matsube Bay 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 Matsube Bay at:
surf-forecast.com

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