Mera surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 8 pm Thursday 30 Apr 2026 JST
Forecast update in hr  min  s Forecast update imminent
Mera surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Mera sea temperature is
20.2° C
(Which is slightly warmer than usual)

How big are the waves at Mera today?

The current surf forecast for Mera at 11PM is: 2.1m 6s primary swell from a Southeast direction (forecast issued at 08:00pm April 30). An open ocean swell of 0.1m 8s is not directed at the surf break, a second open ocean swell of 0.1m 8s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (JST) & DateWave HeightWave Period
Morning (30 Apr)--
Afternoon (30 Apr)--
Evening (30 Apr)0.5ft (0.1m)13s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 72mm), heaviest during Fri morning. Warm (max 20°C on Fri morning, min 15°C on Fri night). Mainly near gales.

Thu
30
Friday
1
Saturday
2
Sunday
3
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
6 AM
9 AM
12 PM
3 PM
Rating
(10 max)
0
0
0
0
0
0
1
0
0
0
0
0
2
4
0
1
1
2
2
2
2
0
0
0
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
0.4
SE
8
0.1
E
13
2.1
SE
6
2.1
SE
7
3
SE
8
3
SE
8
4
S
8
3
SSW
9
3.5
SW
9
3.5
SW
9
4
SW
9
3.5
SW
9
4
WSW
10
2.3
SW
10
2
SW
10
1.6
SW
10
1.5
SW
9
1.4
SW
8
1.3
SW
8
0.9
ESE
10
0.8
ESE
10
0.8
ESE
10
0.7
ESE
10
0.8
ESE
9
Wave Graph
Metric surfscale
Energy kJ
15
3
349
445
853
1039
1909
1522
1777
2018
2441
2157
2659
1076
773
486
357
286
206
132
123
103
94
100
Wind (km/h)
20
E
20
ESE
35
SSE
20
SE
40
ESE
45
SSW
20
WSW
50
SW
50
SW
55
WSW
60
WSW
50
W
20
WNW
10
NNW
30
SSW
20
SSE
15
ESE
10
ENE
10
NE
15
NNE
15
N
10
NW
20
SSW
35
SSW
cross-off
cross-off
cross
cross
cross-off
cross-on
cross-on
on
on
on
on
cross-on
cross-on
cross-off
cross-on
cross
cross-off
cross-off
off
off
cross-off
cross
on
on
High Tide
4:23PM1.29m
3:34AM1.37m
5:02PM1.31m
3:57AM1.39m
5:38PM1.32m
4:22AM1.40m
Low Tide
9:52PM0.60m
10:19AM0.05m
10:24PM0.65m
10:49AM-0.01m
10:55PM0.70m
11:19AM-0.03m
light rain
light rain
mod rain
light rain
heavy rain
heavy rain
heavy rain
thunderstorm
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
cloud
cloud
cloud
cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:50
4:50
4:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:23
6:24
6:24
6:25
1
3
7
4
14
25
14
5
Temp °C
16
16
17
17
17
20
17
20
18
17
16
15
15
17
18
19
19
19
19
18
18
18
18
20
14
13
13
15
12
15
15
14
10
7
5
5
11
15
13
16
17
18
18
16
17
17
15
16
Swell 1
Height (m)
Direction
Period (s)
0.4
SE
8
0.1
SW
6
0.1
NE
8
0.1
NE
8
0.1
N
8
0.1
NE
13
2.1
SE
8
2.1
SE
9
1.8
SE
9
1.4
SE
9
1.1
SE
9
0.9
SE
9
3
SW
10
2.3
SW
10
2
SW
10
1.6
SW
10
1.5
SW
9
1.4
SW
8
1.3
SW
8
1.1
SW
7
0.9
SW
7
0.8
ESE
10
0.7
ESE
10
0.8
ESE
9
Energy kJ
15
1
2
2
1
6
599
714
519
311
176
115
1606
1076
773
486
357
286
206
118
86
103
94
100
Swell 2
Height (m)
Direction
Period (s)
0.1
SW
6
0.1
NE
8
0.1
E
13
0.1
NE
13
0.1
E
12
0.1
NE
8
0.1
NE
8
0.1
NE
11
0.1
NE
12
0.1
NE
12
0.1
NE
12
0.9
SE
8
0.9
SE
9
0.8
ESE
9
0.8
ESE
9
0.8
ESE
9
0.8
ESE
9
0.8
ESE
9
0.9
ESE
10
0.8
ESE
10
0.7
SW
7
0.1
S
7
0.1
NE
4
Energy kJ
1
2
3
7
3
3
3
5
6
6
6
102
110
94
101
101
94
100
132
123
45
1
1
Swell 3
Height (m)
Direction
Period (s)
0.1
NE
8
0.1
E
13
0.1
E
11
0.1
NE
13
0.1
NE
12
0.1
NE
11
0.4
SSE
8
0.1
E
11
0.1
NE
11
0.1
NE
11
0.1
NE
11
0.2
S
7
0.1
E
11
0.1
NE
4
0.1
E
10
Energy kJ
2
3
2
6
5
5
19
2
5
5
5
4
2
1
2
Wind waves
Height (m)
Direction
Period (s)
1.2
ESE
6
1.5
ESE
6
2.1
SE
6
2.1
SE
7
3
SE
8
3
SE
8
4
S
8
3
SSW
9
3.5
SW
9
3.5
SW
9
4
SW
9
3.5
SW
9
4
WSW
10
0.2
NNE
2
0.2
NNE
2
0.7
SW
6
1.1
SW
4
Energy kJ
104
134
349
445
853
1039
1909
1522
1777
2018
2441
2157
2659
1
1
41
35
Nearest Offshore or Glassy
Rating
(10 max)
1
2
1
1
1
3
4
4
2
1
1
1
4
4
1
3
1
2
2
2
2
2
1
1
Distance (km)
890
820
87
73
39
36
36
43
500
500
500
500
33
0
70
47
14
0
0
0
0
12
88
2074
Best forecast wave conditions in Chiba
Rating
(10 max)
4
4
1
2
2
2
2
2
2
Best forecast wave conditions in Japan
Rating
(10 max)
1
2
1
4
2
4
4
4
2
1
1
1
4
4
1
3
3
3
2
2
2
2
1
Header Global
Rating
(10 max)
5
5
5
6
6
6
7
7
6
6
5
5
9
5
5
5
5
4
4
4
4
5
4
4
  • 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

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