Mera Surf Break

Mera 48 hour detailed Surf Forecast

Lat Long: 34.90° N 139.84° E

Issued: 2 pm 17 Jun 2026 (local time)

Forecast update in  hr  min

Today's Mera sea temperature is
22.0° C

1.0°C colder than average for this time of year

Mera surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Mera today (17 Jun):

  • Afternoon surf: Afternoon surf (17 Jun, local time) - 1ft (0.3m), 11s period with SE swell.
  • Evening surf: Evening surf (17 Jun, local time) - 1.5ft (0.4m), 9s period with SW swell.

The current surf forecast for Mera at 9PM is: 0.4m 9s primary swell from a Southwest direction and 0.8m 4s secondary swell from a South-southeast direction (forecast issued at 02:00pm June 17). An open ocean swell of 0.9m 10s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (17 Jun)--
Afternoon (17 Jun)1ft (0.3m)11s
Evening (17 Jun)1.5ft (0.4m)9s

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 48mm), heaviest during Wed night. Warm (max 24°C on Thu afternoon, min 21°C on Wed afternoon). Wind will be generally light.

Wed
17
Thursday
18
Friday
19
Sat
20
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
1
1
0
0
1
0
0
0
0
1
1
0
0
0
0
1
1
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.4
SW
7
0.3
SE
11
0.3
SE
10
0.4
SW
9
0.6
SW
8
1.1
SW
8
1.5
SSW
8
1.1
SW
8
0.9
SW
8
1
SSE
6
0.9
SSE
6
0.9
SW
9
1.1
SW
9
1
SW
8
0.9
SW
8
0.8
SW
8
0.8
SW
8
0.8
SW
8
1
SSW
8
0.8
SW
8
0.8
SW
8
1.1
SW
8
1.1
SW
8
1
SW
7
Wave Graph
Metric surfscale
Energy kJ
12
18
16
27
43
161
278
153
94
73
68
123
176
139
112
90
88
93
136
88
82
136
133
107
Wind (km/h)
15
SSE
20
SSE
20
SSE
20
SSE
20
ESE
10
NW
20
N
25
N
25
N
5
N
10
WSW
20
WSW
15
WSW
10
WSW
0
ENE
5
E
5
SSE
10
SW
10
SSW
5
SW
5
SSW
10
NE
10
ENE
10
ENE
Wind State
cross-on
cross-on
cross-on
cross-on
cross-off
cross
cross-off
cross-off
cross-off
glassy
cross-on
cross-on
cross-on
on
glassy
glassy
cross-on
on
on
on
glassy
off
cross-off
off
High Tide
7:24PM1.41m
5:31AM1.49m
8:05PM1.36m
6:21AM1.42m
8:42PM1.32m
7:16AM1.31m
Low Tide
12:07PM-0.17m
00:17AM0.94m
12:52PM-0.08m
1:03AM0.90m
1:36PM0.06m
1:54AM0.85m
clear
clear
cloud
light rain
mod rain
heavy rain
heavy rain
light rain
cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:26
4:26
4:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:55
6:55
6:55
6:57
 mm
1
6
25
11
4
Temp °C
22
22
21
21
21
21
21
21
21
24
24
22
22
22
22
23
23
24
24
23
23
22
22
23
Feels °C
22
21
20
21
22
24
22
20
19
27
26
21
23
24
26
26
26
27
27
26
27
24
24
25
Swell 1
Height (m)
Direction
Period (s)
0.9
ENE
9
0.9
ENE
9
0.9
ENE
10
0.9
ENE
10
0.7
ENE
10
0.8
SSE
5
1.5
SSW
8
1.1
SW
8
1.1
SSE
6
1
SSE
6
0.9
SSE
6
1.1
SSE
6
1.1
SW
9
1
SW
8
0.9
SW
8
0.8
SW
8
0.8
SW
8
0.8
SW
8
0.4
ENE
9
0.8
SW
8
0.8
SW
8
1.1
SW
8
1.1
SW
8
1
SW
7
Energy kJ
123
121
132
132
94
30
278
153
87
73
68
104
176
139
112
90
88
93
31
88
82
136
133
107
Swell 2
Height (m)
Direction
Period (s)
0.4
SW
7
0.4
SW
7
0.3
SE
10
0.4
SW
9
0.6
SW
8
0.6
ENE
9
0.6
ENE
9
0.8
SSE
6
0.9
SW
8
0.6
SW
7
0.6
SW
7
0.9
SW
9
1
SSE
6
0.9
SSE
6
0.8
SSE
6
0.7
SSE
6
0.6
SSE
6
0.4
SE
10
0.4
SE
10
0.4
SSE
5
0.5
SE
10
0.4
SE
10
0.5
SE
10
0.4
ENE
9
Energy kJ
12
12
16
27
43
69
69
36
94
43
38
123
78
60
46
31
22
35
25
10
48
34
47
30
Swell 3
Height (m)
Direction
Period (s)
0.2
ESE
10
0.3
SE
11
0.3
SW
7
0.2
SSE
10
0.2
SSE
10
0.2
SSE
10
0.3
SE
10
0.6
ENE
9
0.6
ENE
9
0.5
ENE
9
0.5
ENE
9
0.5
ENE
9
0.4
ENE
9
0.4
ENE
9
0.4
ENE
9
0.4
ENE
9
0.4
ENE
9
0.4
ENE
9
0.2
ESE
7
0.4
ENE
9
0.4
ENE
9
0.4
ENE
9
0.4
ENE
9
0.4
SE
10
Energy kJ
10
18
7
10
10
10
16
68
68
48
47
47
32
32
31
31
32
31
5
26
26
30
30
24
Wind waves
Height (m)
Direction
Period (s)
0.4
SSE
6
0.5
SSE
4
0.6
SSE
4
0.8
SSE
4
0.9
SSE
5
1.1
SW
8
0.8
SSE
5
0.4
NW
3
0.3
NE
3
0.6
SSE
6
1
SSW
8
0.3
ESE
6
Energy kJ
12
7
11
21
34
161
39
2
2
25
136
8
Nearest Offshore or Glassy
Rating
(10 max)
2
2
1
1
1
1
2
1
2
1
1
1
2
2
1
1
1
1
1
1
1
1
1
1
Distance (km)
64
64
64
64
47
33
12
33
35
0
12
12
12
12
0
0
36
36
33
12
0
0
0
0
Best forecast wave conditions in Chiba
Rating
(10 max)
2
2
1
1
1
1
2
2
2
2
2
2
2
2
1
1
1
1
1
1
1
1
1
1
Best forecast wave conditions in Japan
Rating
(10 max)
3
3
2
2
1
3
2
2
2
2
2
2
2
2
1
1
2
2
2
2
2
2
1
1
Header Global
Rating
(10 max)
5
8
8
4
4
4
5
5
9
9
9
7
5
5
6
5
6
6
6
5
5
8
7
7
  • 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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