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Surf Forecasts:

Mera surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 2 am Monday 27 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
20.8° C
 (Which is 1.8°C warmer than normal for this time of year)

How big are the waves at Mera today?

The current surf forecast for Mera at 7AM is: 1.5m 6s primary swell from a Southeast direction (forecast issued at 02:00am April 27). An open ocean swell of 0.2m 13s is not directed at the surf break, a second open ocean swell of 0.2m 9s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (JST) & DateWave HeightWave Period
Morning (27 Apr)5.5ft (1.7m)7s
Afternoon (27 Apr)4.5ft (1.4m)7s
Evening (27 Apr)4.5ft (1.3m)7s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table

Short Range Forecast

Heavy rain (total 24mm), heaviest during Mon morning. Warm (max 20°C on Wed afternoon, min 13°C on Wed night). Winds decreasing (strong winds from the SW on Tue night, calm by Wed night).

Monday
27
Tuesday
28
Wednesday
29
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
6 PM
9 PM
Rating
(10 max)
1
1
0
0
1
0
1
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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>
Wave
Height (m)
Direction
Period (s)
1.2
ESE
6
1.3
ESE
6
1.5
SE
6
1.7
SE
7
1.4
S
7
1.4
S
7
1.3
SSW
7
1.3
SSW
7
1.2
SSW
7
1.1
SW
7
0.9
SSW
7
0.6
SW
7
1
S
7
1.1
SSW
4
1.6
SW
5
1.8
SW
6
1.8
SW
6
1.8
SW
6
2
SW
6
1.8
SW
6
1.5
SW
6
1.6
SW
6
1.5
SW
6
1.3
SW
6
Wave Graph
Metric surfscale
Energy kJ
103
128
170
248
199
203
158
177
146
122
88
37
92
46
152
232
209
209
287
255
161
181
141
101
Wind (km/h)
15
ESE
15
ESE
20
SE
15
WNW
25
NNW
30
NNE
25
NNE
10
NE
10
SSE
15
S
20
S
25
S
25
SSW
40
SW
40
SW
45
SW
45
SW
45
SW
40
SW
25
WSW
25
WSW
35
SW
30
WSW
5
ENE
Wind State
cross-off
cross-off
cross
cross-on
cross-off
cross-off
off
off
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
on
on
on
cross-on
glassy
High Tide
2:04AM1.15m
1:50PM1.07m
2:28AM1.20m
2:52PM1.16m
2:50AM1.26m
3:41PM1.23m
Low Tide
8:11AM0.64m
7:57PM0.43m
8:46AM0.45m
8:41PM0.49m
9:18AM0.29m
cloud
mod rain
heavy rain
heavy rain
cloud
cloud
cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
4:54
—
—
—
—
—
—
—
4:54
—
—
—
—
—
—
—
4:52
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
—
6:21
—
—
—
—
—
—
—
6:22
—
—
—
—
—
—
—
6:22
—
 mm
—
6
16
21
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Temp °C
18
17
18
18
17
16
16
16
16
17
18
19
18
19
18
19
19
19
19
19
19
20
20
18
Feels °C
17
16
17
17
14
10
11
14
15
15
15
15
14
13
12
13
12
12
14
15
16
13
15
18
Swell 1
Height (m)
Direction
Period (s)
0.3
NE
13
0.2
ENE
13
0.2
ENE
13
1.7
SE
7
1.4
S
7
1.4
S
7
1.3
SSW
7
1.3
SSW
7
1.2
SSW
7
1.1
SW
7
0.9
SSW
7
0.6
SW
7
0.5
E
8
0.5
E
8
0.5
E
8
0.4
E
8
0.4
E
9
0.4
E
9
0.4
E
9
0.3
E
9
0.3
ESE
9
0.3
ESE
9
0.3
ESE
9
0.3
E
9
Energy kJ
27
17
17
248
199
203
158
177
146
122
88
37
29
29
29
19
27
27
26
15
16
16
16
14
Swell 2
Height (m)
Direction
Period (s)
0.2
ENE
8
0.1
SE
12
0.2
ENE
9
0.2
ENE
13
1.1
ESE
7
1
ESE
8
0.9
ESE
7
0.8
ESE
7
0.7
ESE
8
0.5
ESE
8
0.5
ESE
8
0.5
ESE
8
0.2
SSE
7
0.2
SSE
7
0.4
SE
7
0.1
NE
8
0.1
NE
8
0.1
NE
8
0.1
SE
11
0.1
NE
9
0.1
NE
8
0.1
NE
8
0.1
NE
8
0.1
NE
8
Energy kJ
7
6
7
16
120
120
96
62
50
32
32
32
5
5
12
3
3
3
5
3
3
3
3
3
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
13
0.1
NE
9
0.1
SE
12
0.2
ENE
8
0.2
ENE
8
0.2
ENE
8
0.3
SW
8
0.2
ENE
8
0.4
NE
6
0.4
NE
7
0.3
NE
8
0.2
ENE
8
0.2
ENE
9
0.2
ENE
8
0.1
NE
8
0.1
SE
12
0.1
SE
11
0.1
SE
11
0.1
S
13
0.1
SE
11
0.1
SE
11
0.1
SE
11
0.1
SE
11
0.1
SE
7
Energy kJ
6
3
6
7
6
6
9
6
12
14
10
6
8
6
3
5
5
5
3
5
5
5
5
2
Wind waves
Height (m)
Direction
Period (s)
1.2
ESE
6
1.3
ESE
6
1.5
SE
6
1.2
SSW
6
0.5
NNW
4
0.4
NNW
4
0.6
N
4
0.4
NNE
3
—
—
—
0.6
S
4
1
S
7
1.1
SSW
4
1.6
SW
5
1.8
SW
6
1.8
SW
6
1.8
SW
6
2
SW
6
1.8
SW
6
1.5
SW
6
1.6
SW
6
1.5
SW
6
1.3
SW
6
Energy kJ
103
128
170
90
7
5
9
4
—
—
—
9
92
46
152
232
209
209
287
255
161
181
141
101
Nearest Offshore or Glassy
Mera
Chiba
Mera
Chiba
Uchiboso
Chiba
Ohara
Chiba
Chikura
Chiba
Hayama
Kanagawa
Kamogawa
Chiba
Mera
Chiba
Kamogawa
Chiba
Ohara
Chiba
Ohara
Chiba
Ohara
Chiba
Aoshima
Kyu Shu
Sunrise
North
Okuragahama
Kyu Shu
Shishikui Beach
Shikoku
Akabane Long Beach
Shizuoka
Hanamizu River
Kanagawa
Uraga Point
Kanagawa
Kurihama
Kanagawa
Kurihama
Kanagawa
Kurihama
Kanagawa
Kamogawa
Chiba
Mera
Chiba
Rating
(10 max)
1
1
1
2
3
1
2
2
1
1
1
1
1
1
1
1
1
1
2
2
1
1
1
1
Distance (km)
0
0
14
64
12
44
33
0
33
64
64
64
850
2074
808
526
244
69
36
36
36
36
33
0
Best forecast wave conditions in Chiba
Uchiboso
Uchiboso
Uchiboso
Shida
Big Ben
Big Ben
Tsurigasaki Surfing Beach (Tokyo 2020)
Malibu
Tsurigasaki Surfing Beach (Tokyo 2020)
Torami
Shida
Katagai
Torami
Malibu
Malibu
Kuminatu
Mera
Rating
(10 max)
1
1
1
2
3
2
2
2
1
1
1
2
3
2
1
1
1
Best forecast wave conditions in Japan
Niyodo Rivermouth
Shikoku
Niyodo Rivermouth
Shikoku
Niyodo Rivermouth
Shikoku
Omaezaki
Shizuoka
Niijima - Habushiura
Izu Islands
Suruga Bay
Shizuoka
Omaezaki
Shizuoka
Tsurigasaki Surfing Beach (Tokyo 2020)
Chiba
Malibu
Chiba
Akabane Long Beach
Shizuoka
Niyodo Rivermouth
Shikoku
Aha Rivermouth
Okinawa
Ko-Chan (Hedo Point)
Okinawa
Aoshima
Kyu Shu
Takanabe
Kyu Shu
Kaifu Rivermouth
Shikoku
Oiso Jetty
Kanagawa
Katagai
Chiba
Shonan
Kanagawa
Malibu
Chiba
Shichirigahama
Kanagawa
Kaiser's (Hachijojima Island)
Izu Islands
Mera
Chiba
Rating
(10 max)
3
2
2
2
3
2
3
2
2
1
1
1
1
1
1
1
1
2
2
2
1
1
1
Header Global
Papatowai
New Zealand
Cobblestones
Australia
Gas Bay
Australia
Supertubes
Australia
Cobblestones
Australia
Cobblestones
Australia
Cow Bombie
Australia
Cobblestones
Australia
Cobblestones
Australia
Trial Harbour
Australia
Cobblestones
Australia
Cobblestones
Australia
Cobblestones
Australia
Cow Bombie
Australia
Cow Bombie
Australia
Cobblestones
Australia
Cobblestones
Australia
Trial Harbour
Australia
Yellow sands Point
South Africa
Banana Beach
South Africa
Amanzimtoti
South Africa
Double Mouth
South Africa
Barbel Point
South Africa
Dunedin - Cob Cottage
New Zealand
Rating
(10 max)
5
7
9
8
8
7
6
6
6
6
5
5
5
5
5
5
5
8
9
9
9
6
6
9
  • 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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