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Surf Forecasts:

Mera surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 2 pm Tuesday 19 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
20.9° C
 (Which is normal for this time of year)

How big are the waves at Mera today?

The current surf forecast for Mera at 8PM is: 0.7m 10s primary swell from a Southeast direction and 0.6m 10s secondary swell from a East direction, 0.6m 3s secondary swell from a Southwest direction (forecast issued at 02:00pm May 19). The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (19 May)--
Afternoon (19 May)2.5ft (0.7m)11s
Evening (19 May)2.5ft (0.8m)10s

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 39mm), heaviest during Thu afternoon. Warm (max 22°C on Wed night, min 15°C on Fri morning). Winds increasing (light winds from the WSW on Thu afternoon, near gales from the N by Fri morning).

Tue
19
Wednesday
20
Thursday
21
Fri
22
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
6 AM
9 AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
1
1
0
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.7
SE
10
0.7
SE
11
0.7
SE
10
0.8
SE
10
1
ESE
10
1.1
SE
10
1.1
SE
10
0.7
SE
10
1
SE
10
0.9
ESE
10
0.9
ESE
10
0.9
ESE
10
0.9
ESE
10
0.9
ESE
10
0.9
ESE
10
1.8
SSW
7
2.1
SSW
7
2.2
SSW
8
2.4
SW
8
2.1
SW
8
1.7
SSW
8
1.4
SSW
8
1.3
SSW
8
1.2
SSW
8
Wave Graph
Metric surfscale
Energy kJ
108
110
102
115
212
229
229
102
192
168
161
157
157
142
150
286
437
557
664
543
348
230
203
166
Wind (km/h)
25
SSW
30
SSW
30
SSW
25
SW
25
SW
25
SW
25
SW
25
SW
30
SW
35
SSW
30
SW
25
SW
25
SW
25
SW
25
SSW
25
SW
40
SW
15
WSW
20
NNE
25
NNE
25
NE
30
NNE
45
NNE
55
N
Wind State
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
cross-on
cross-off
off
off
off
cross-off
cross-off
High Tide
7:31PM1.35m
5:28AM1.45m
8:25PM1.29m
6:11AM1.37m
9:21PM1.22m
7:00AM1.27m
Low Tide
12:12PM-0.21m
00:19AM0.94m
12:59PM-0.13m
1:04AM0.96m
1:49PM-0.01m
1:57AM0.95m
part cloud
part cloud
cloud
part cloud
part cloud
clear
clear
part cloud
clear
part cloud
cloud
part cloud
rain showers
cloud
light rain
light rain
light rain
light rain
mod rain
light rain
light rain
mod rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
—
—
4:33
—
—
—
—
—
—
—
4:33
—
—
—
—
—
—
—
4:33
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
6:38
—
—
—
—
—
—
—
6:39
—
—
—
—
—
—
—
6:39
—
—
—
—
6:40
 mm
—
—
—
—
—
—
—
—
—
—
—
—
1
—
1
1
2
5
9
4
2
6
3
4
Temp °C
20
20
20
20
20
20
20
20
21
21
21
21
21
22
21
21
21
20
18
17
16
16
16
15
Feels °C
18
17
18
18
18
18
18
18
19
18
19
20
20
22
20
20
17
20
17
14
12
11
9
5
Swell 1
Height (m)
Direction
Period (s)
0.7
SE
10
0.7
SE
11
0.7
SE
10
0.8
SE
10
1
ESE
10
1.1
SE
10
1.1
SE
10
0.7
SE
10
1
SE
10
0.9
ESE
10
0.9
ESE
10
0.9
ESE
10
0.9
ESE
10
0.9
ESE
10
0.9
ESE
10
0.8
ESE
10
0.7
ESE
10
0.7
ESE
10
0.6
ESE
10
2.1
SW
8
1.7
SSW
8
1.4
SSW
8
1.3
SSW
8
1.2
SSW
8
Energy kJ
108
110
102
115
212
229
229
102
192
168
161
157
157
142
142
105
83
83
74
543
348
230
203
166
Swell 2
Height (m)
Direction
Period (s)
0.7
E
9
0.7
E
9
0.6
E
9
0.6
E
10
0.1
NE
9
0.1
NE
9
0.1
NE
9
0.6
E
10
0.1
NE
9
0.1
NE
8
0.1
NE
8
0.1
NE
8
0.1
NE
8
0.1
NE
8
0.1
NE
8
0.1
NE
8
0.1
NE
8
0.1
NE
8
0.1
NE
7
0.6
ESE
10
0.5
ESE
10
0.5
ESE
10
0.5
ESE
10
—
Energy kJ
78
79
60
77
3
3
3
70
3
3
3
3
3
3
2
2
2
2
2
74
52
55
54
—
Swell 3
Height (m)
Direction
Period (s)
0.1
NE
9
0.1
NE
9
0.1
NE
9
0.1
NE
9
—
0.3
NE
9
0.4
SSE
5
0.4
SE
5
—
—
—
—
—
—
—
—
—
0.1
NE
12
—
0.1
E
11
0.6
ESE
10
0.5
ESE
10
0.5
ESE
10
—
Energy kJ
3
3
3
3
—
13
8
6
—
—
—
—
—
—
—
—
—
5
—
2
72
54
51
—
Wind waves
Height (m)
Direction
Period (s)
0.6
SW
3
0.6
SW
4
0.6
SW
4
0.6
SW
3
0.5
SW
3
0.6
WSW
3
0.6
WSW
4
0.6
SW
4
0.8
SW
4
0.8
SSW
4
0.9
SSW
4
0.8
SSW
4
0.6
SSW
4
0.9
SSW
4
1.5
SSW
6
1.8
SSW
7
2.1
SSW
7
2.2
SSW
8
2.4
SW
8
0.1
NE
7
1.1
NE
4
1.5
NE
6
1.8
NE
6
1.9
NE
7
Energy kJ
6
8
10
7
6
8
8
10
17
21
28
22
12
26
150
286
437
557
664
2
43
148
239
394
Nearest Offshore or Glassy
Shida
Chiba
Takegashima
Shikoku
Hashikui Bay
Shikoku
Shimoda Yamatoken (Tatado Hama)
Shizuoka
Sakawa River
Kanagawa
Sakawa River
Kanagawa
Sakawa River
Kanagawa
Susuki
Shizuoka
Hashikui Bay
Shikoku
Hashikui Bay
Shikoku
Shimoda Yamatoken (Tatado Hama)
Shizuoka
Sakawa River
Kanagawa
Sakawa River
Kanagawa
Sakawa River
Kanagawa
Sakawa River
Kanagawa
Uraga Point
Kanagawa
Shonan
Kanagawa
Chikura
Chiba
Akabane Long Beach
Shizuoka
Niijima - Awaii
Izu Islands
Uchiboso
Chiba
Nunoshima
Shikoku
Nunoshima
Shikoku
Tainohama
Shikoku
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
3
3
3
1
2
1
1
Distance (km)
70
529
504
87
73
73
73
153
504
504
87
73
73
73
73
36
59
12
244
77
14
500
500
501
Best forecast wave conditions in Chiba
Shida
Tsurigasaki Surfing Beach (Tokyo 2020)
Tsurigasaki Surfing Beach (Tokyo 2020)
Chikura
Uchiboso
Rating
(10 max)
1
2
2
3
1
Best forecast wave conditions in Japan
Takegashima
Shikoku
Takegashima
Shikoku
Niyodo Rivermouth
Shikoku
Niyodo Rivermouth
Shikoku
Niyodo Rivermouth
Shikoku
Akabane Long Beach
Shizuoka
Niyodo Rivermouth
Shikoku
Niyodo Rivermouth
Shikoku
Niyodo Rivermouth
Shikoku
Niyodo Rivermouth
Shikoku
Niyodo Rivermouth
Shikoku
Niyodo Rivermouth
Shikoku
Takegashima
Shikoku
Niyodo Rivermouth
Shikoku
Niyodo Rivermouth
Shikoku
Sakawa River
Kanagawa
Sakawa River
Kanagawa
Chikura
Chiba
Akabane Long Beach
Shizuoka
Niyodo Rivermouth
Shikoku
Akabane Long Beach
Shizuoka
Niyodo Rivermouth
Shikoku
Niyodo Rivermouth
Shikoku
Niyodo Rivermouth
Shikoku
Rating
(10 max)
1
1
1
1
1
2
2
2
2
2
2
2
2
3
2
2
2
3
3
4
4
2
2
2
Header Global
Avalon-North
Australia
Black Rock
Australia
Bankvaults
Indonesia
Bankvaults
Indonesia
Bali Village
Indonesia
Bali Village
Indonesia
Afife
Portugal
Cavalos de Fao
Portugal
Cavalos de Fao
Portugal
Crazy Left
Portugal
Achadas Da Cruz
Portugal
Anglet - Corsaires
France
Arrifana
Portugal
Trial Harbour
Australia
Trial Harbour
Australia
Trial Harbour
Australia
Anglet - Corsaires
France
Lambe Lambe
Brazil
Cathedral Rock
Australia
Dunedin - Bobs Beach
New Zealand
Bali Village
Indonesia
Pauba
Brazil
Bondo Kodi
Indonesia
Otago Peninsula - Allans Beach
New Zealand
Rating
(10 max)
4
4
4
4
4
4
4
5
5
5
4
4
4
5
5
5
4
5
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

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View detailed surf forecast for Mera at:
surf-forecast.com

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