Mera surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 8 am Sunday 03 May 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
20.4° C
(Which is slightly warmer than usual)

How big are the waves at Mera today?

The current surf forecast for Mera at 1PM is: 0.8m 10s primary swell from a East-southeast direction and 0.1m 10s secondary swell from a East direction, 1.0m 6s secondary swell from a Southwest direction (forecast issued at 08:00am May 03). The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (03 May)2.5ft (0.8m)10s
Afternoon (03 May)2.5ft (0.7m)9s
Evening (03 May)6ft (1.8m)6s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Some drizzle, heaviest during Mon morning. Warm (max 21°C on Sun night, min 15°C on Mon night). Winds increasing (light winds from the WSW on Sun morning, gales from the SW by Sun night).

Sunday
3
Monday
4
Tuesday
5
Wed
6
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
6 PM
9 PM
12 AM
3 AM
Rating
(10 max)
2
0
0
0
0
0
0
0
0
0
0
0
0
0
4
2
2
1
0
0
0
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><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
1.1
SW
8
0.8
ESE
10
0.8
ESE
10
0.7
ESE
9
1.4
SSW
5
1.8
SSW
6
2.2
SSW
6
3
SSW
8
4
SSW
9
4
SW
9
3.5
SW
9
4
SW
9
4
SW
9
4
WSW
9
3
SW
9
2.1
SW
9
1.7
SW
9
1.3
SW
9
1
SW
9
0.9
SW
8
0.6
ESE
10
0.6
ESE
10
0.6
ESE
10
0.6
ESE
9
Wave Graph
Metric surfscale
Energy kJ
133
105
103
92
110
218
373
1114
2581
2559
2332
2559
2170
2212
1247
675
461
275
148
100
67
63
61
61
Wind (km/h)
0
WSW
15
WSW
30
SW
35
SW
40
SSW
45
SSW
50
SSW
60
SSW
70
SW
50
SW
50
SW
55
WSW
55
WSW
45
WSW
20
NNE
30
NE
25
NE
20
E
15
SE
15
SE
20
SSE
20
S
20
S
15
S
glassy
cross-on
on
on
on
on
on
on
on
on
on
on
on
cross-on
off
off
off
cross-off
cross
cross
cross
cross-on
cross-on
cross-on
High Tide
4:22AM1.40m
6:15PM1.30m
4:47AM1.39m
6:52PM1.27m
5:13AM1.36m
7:31PM1.22m
Low Tide
11:19AM-0.03m
11:26PM0.75m
11:50AM-0.02m
11:57PM0.79m
12:22PM0.02m
00:29AM0.83m
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
rain showers
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:48
4:48
4:47
4:46
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:25
6:27
6:28
6:29
1
Temp °C
18
18
20
20
19
19
20
20
21
19
20
19
18
17
17
16
15
16
17
17
17
18
18
18
19
16
16
15
13
13
13
11
11
11
11
9
8
7
13
9
8
10
12
12
12
14
14
15
Swell 1
Height (m)
Direction
Period (s)
0.8
SW
8
0.8
ESE
10
0.8
ESE
10
0.7
ESE
9
0.7
ESE
9
0.6
ESE
9
0.6
ESE
9
0.6
ESE
9
0.5
ESE
10
0.5
ESE
10
0.4
ESE
10
0.4
ESE
10
0.4
ESE
10
0.4
ESE
10
0.4
ESE
10
2.1
SW
9
1.7
SW
9
1.3
SW
9
1
SW
9
0.9
SW
8
0.7
SW
8
0.6
ESE
10
0.6
ESE
10
0.6
ESE
9
Energy kJ
82
105
103
92
92
69
68
69
52
56
40
41
42
43
43
675
461
275
148
100
67
63
61
59
Swell 2
Height (m)
Direction
Period (s)
0.7
ESE
10
0.7
SW
7
0.1
E
10
0.1
E
10
0.1
E
10
0.1
NE
10
0.1
NE
10
0.1
NE
10
0.4
ESE
10
0.4
ESE
10
0.4
ESE
10
0.5
ESE
10
0.5
ESE
10
0.6
ESE
10
0.6
WSW
8
0.5
SW
8
0.4
WSW
7
Energy kJ
98
52
2
2
2
4
4
4
42
40
39
55
55
64
42
28
21
Swell 3
Height (m)
Direction
Period (s)
0.2
S
7
0.1
NE
11
0.1
S
6
0.3
SSE
7
0.4
SSE
7
0.4
SSE
7
0.1
NE
8
Energy kJ
4
5
1
9
15
15
2
Wind waves
Height (m)
Direction
Period (s)
1.1
SW
8
0.9
SW
7
0.8
SW
6
1.2
SW
5
1.4
SSW
5
1.8
SSW
6
2.2
SSW
6
3
SSW
8
4
SSW
9
4
SW
9
3.5
SW
9
4
SW
9
4
SW
9
4
WSW
9
3
SW
9
0.9
NE
4
0.9
ENE
4
0.7
E
4
0.7
ESE
4
0.8
SE
4
0.9
SE
4
0.9
SSE
5
1
SSE
5
Energy kJ
133
89
49
73
110
218
373
1114
2581
2559
2332
2559
2170
2212
1247
20
32
14
16
20
27
47
61
Nearest Offshore or Glassy
Rating
(10 max)
2
1
1
1
2
4
2
4
3
4
4
2
1
4
4
2
1
1
1
1
1
1
1
1
Distance (km)
0
12
848
2040
2051
767
767
501
483
483
483
521
521
36
0
14
14
14
244
64
64
64
70
70
Best forecast wave conditions in Chiba
Rating
(10 max)
2
1
4
4
2
1
2
1
1
1
1
1
Best forecast wave conditions in Japan
Rating
(10 max)
2
1
1
4
3
4
3
4
4
2
1
4
4
2
3
2
1
1
1
1
1
1
Header Global
Rating
(10 max)
4
4
4
4
4
4
5
4
4
4
4
4
5
5
5
4
5
4
5
5
5
5
5
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

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