Mera Surf Break

Mera 48 hour detailed Surf Forecast

Lat Long: 34.90° N 139.84° E

Issued: 8 am 12 Jun 2026 (local time)

Forecast update in  hr  min

Today's Mera sea temperature is
22.0° C

Slightly cooler than normal

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 (12 Jun):

  • Morning surf: Morning surf (12 Jun, local time) - 2.5ft (0.8m), 9s period with SW swell.
  • Afternoon surf: Afternoon surf (12 Jun, local time) - 2.5ft (0.7m), 9s period with SW swell.
  • Evening surf: Evening surf (12 Jun, local time) - 2ft (0.6m), 9s period with SW swell.

The current surf forecast for Mera at 5PM is: 0.6m 9s primary swell from a Southwest direction and 0.3m 6s secondary swell from a East direction, 0.6m 6s secondary swell from a South-southeast direction (forecast issued at 08:00am June 12). The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (12 Jun)2.5ft (0.8m)9s
Afternoon (12 Jun)2.5ft (0.7m)9s
Evening (12 Jun)2ft (0.6m)9s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 4mm), mostly falling on Fri afternoon. Warm (max 23°C on Fri night, min 20°C on Fri night). Wind will be generally light.

Friday
12
Saturday
13
Sunday
14
Mon
15
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)
0
0
0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
1
0
Swell
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)
0.9
SW
9
0.8
SW
9
0.8
SW
9
0.7
SW
9
0.6
SW
9
0.6
SW
9
0.6
SW
8
0.6
SW
9
0.6
SW
9
0.7
ESE
7
0.7
ESE
8
0.8
ESE
8
0.8
ESE
8
0.8
E
8
0.8
E
8
0.8
E
8
0.8
E
8
0.8
E
8
0.8
E
8
0.9
E
9
0.8
E
9
0.8
E
8
0.8
E
8
0.8
E
8
Wave Graph
Metric surfscale
Energy kJ
118
97
95
76
62
46
45
62
59
57
58
81
83
80
82
82
86
86
91
117
93
91
91
91
Wind (km/h)
5
SSW
10
SSW
15
SSW
20
SSW
15
SSW
15
SSW
15
SW
5
WNW
10
N
10
N
5
W
15
SW
15
SSW
15
SSW
15
SSW
15
SSW
5
SSW
10
S
20
S
20
SSE
15
SSE
15
SSE
15
ESE
20
ESE
Wind State
on
on
on
on
cross-on
cross-on
on
glassy
cross-off
cross-off
cross-on
on
on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross
cross-off
cross-off
High Tide
3:12PM1.26m
1:38AM1.39m
4:13PM1.36m
2:24AM1.45m
5:06PM1.42m
Low Tide
8:09AM0.20m
8:11PM0.91m
8:58AM0.03m
9:10PM0.96m
9:46AM-0.10m
10:01PM0.98m
rain showers
clear
clear
clear
thunderstorm
rain showers
clear
clear
part cloud
cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
rain showers
rain showers
part cloud
part cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:26
4:26
4:26
4:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:53
6:53
6:54
6:54
 mm
1
1
1
1
1
Temp °C
21
21
21
22
22
23
22
21
20
21
22
22
23
22
22
21
21
22
22
22
22
21
21
21
Feels °C
22
22
21
21
21
22
21
22
20
22
23
21
23
22
22
22
23
24
22
21
22
21
21
20
Swell 1
Height (m)
Direction
Period (s)
0.9
SW
9
0.8
SW
9
0.8
SW
9
0.7
SW
9
0.6
SW
9
0.6
SW
9
0.6
SW
8
0.6
SW
9
0.6
SW
9
0.7
ESE
7
0.7
ESE
8
0.8
ESE
8
0.8
ESE
8
0.8
E
8
0.8
E
8
0.8
E
8
0.8
E
8
0.8
E
8
0.8
E
8
0.9
E
9
0.8
E
9
0.8
E
8
0.8
E
8
0.8
E
8
Energy kJ
118
97
95
76
62
46
45
62
59
55
58
81
83
80
82
82
86
86
91
117
93
91
91
91
Swell 2
Height (m)
Direction
Period (s)
0.8
SSE
7
0.7
SSE
7
0.7
SSE
7
0.5
SSE
7
0.3
E
6
0.4
SSE
6
0.3
E
6
0.5
SSE
6
0.6
ESE
7
0.6
SW
8
0.6
SW
8
0.6
SW
8
0.6
SW
8
0.5
SW
8
0.4
SW
8
0.6
S
6
0.5
S
6
0.5
S
6
0.4
SSE
6
0.3
SW
7
0.3
SSE
6
0.3
SW
7
0.3
SW
7
0.2
SSE
6
Energy kJ
53
49
41
26
6
15
5
23
42
57
55
43
55
33
23
30
20
20
13
9
7
8
7
3
Swell 3
Height (m)
Direction
Period (s)
0.4
ENE
7
0.4
ENE
6
0.4
ENE
6
0.4
ENE
6
0.1
E
9
0.3
E
6
0.3
SSW
11
0.4
SW
4
0.5
S
7
0.5
S
7
0.5
S
7
0.5
SSE
7
0.5
SSE
7
0.5
SSE
7
0.1
E
16
0.4
SW
8
0.4
SW
8
0.4
SW
8
0.4
SW
8
0.2
ESE
15
0.3
SW
7
0.2
ESE
15
0.2
SSE
6
0.1
SW
7
Energy kJ
15
14
13
14
2
6
23
6
22
24
24
26
25
25
5
23
23
15
14
21
8
21
3
2
Wind waves
Height (m)
Direction
Period (s)
0.2
SSW
2
0.6
SSE
6
0.5
S
3
0.7
S
6
0.4
SW
4
0.4
SW
5
0.4
SW
3
0.5
SW
4
0.6
S
7
0.4
SSE
6
0.3
SSE
3
0.5
SSE
6
0.5
SSE
4
0.6
SSE
4
Energy kJ
1
33
5
37
5
6
2
6
31
12
2
19
8
11
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
14
36
36
64
64
64
80
0
0
0
36
64
88
64
64
36
12
36
64
64
64
64
0
70
Best forecast wave conditions in Chiba
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Best forecast wave conditions in Japan
Rating
(10 max)
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
Header Global
Rating
(10 max)
6
6
6
6
8
9
6
4
4
4
6
5
5
5
5
4
5
4
4
4
6
5
5
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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