Mera Surf Break

Mera 48 hour detailed Surf Forecast

Lat Long: 34.90° N 139.84° E

Issued: 2 pm 30 Jun 2026 (local time)

Forecast update in  hr  min

Today's Mera sea temperature is
24.0° C

Normal 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 (30 Jun):

  • Afternoon surf: Afternoon surf (30 Jun, local time) - 2.5ft (0.8m), 9s period with SE swell.
  • Evening surf: Evening surf (30 Jun, local time) - 3ft (0.9m), 7s period with SSW swell.

The current surf forecast for Mera at 6PM is: 0.6m 9s primary swell from a Southeast direction and 0.8m 7s secondary swell from a South-southwest direction (forecast issued at 02:00pm June 30). The wind direction is predicted to be glassy.

Time (JST) & DateWave HeightWave Period
Morning (30 Jun)--
Afternoon (30 Jun)2.5ft (0.8m)9s
Evening (30 Jun)3ft (0.9m)7s

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 6mm), mostly falling on Thu morning. Warm (max 25°C on Thu morning, min 20°C on Thu night). Winds increasing (calm on Tue night, strong winds from the SW by Thu morning).

Tue
30
Wednesday
1
Thursday
2
Fri
3
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)
1
1
1
0
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
4
2
2
2
2
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)
0.7
SE
9
0.8
SE
9
0.8
SSW
7
0.9
SSW
7
1
SSW
7
0.9
SSW
7
0.9
SW
7
0.8
SSW
7
0.6
ESE
9
0.6
ESE
9
0.6
ESE
9
0.6
ESE
9
0.6
ESE
9
0.6
ESE
9
0.6
ESE
9
1.2
SW
5
1.8
SW
6
3
SW
7
3
SW
8
2.4
SW
8
1.8
SW
8
1.6
SW
8
1.3
SW
8
1.3
SW
8
Wave Graph
Metric surfscale
Energy kJ
81
99
67
67
93
93
73
67
55
54
54
53
53
53
52
63
224
844
908
728
408
355
233
196
Wind (km/h)
10
ENE
10
NNE
5
WNW
10
SW
10
WSW
5
NW
5
ESE
5
ESE
10
SSE
5
SSE
10
S
15
SSW
25
WSW
20
SSW
30
S
45
SSW
50
SW
50
SW
30
WSW
15
N
15
NE
15
NNE
20
NNE
25
NNE
Wind State
off
cross-off
glassy
on
cross-on
glassy
glassy
cross-off
cross
cross-on
cross-on
on
on
on
cross-on
on
on
on
cross-on
cross-off
off
off
off
off
High Tide
6:07PM1.37m
4:12AM1.43m
6:38PM1.37m
4:49AM1.43m
7:09PM1.37m
5:26AM1.42m
Low Tide
10:52AM0.05m
11:03PM0.92m
11:27AM0.04m
11:39PM0.90m
12:00PM0.05m
00:14AM0.87m
cloud
part cloud
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
light rain
rain showers
thunderstorm
part cloud
cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:30
4:30
4:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:58
6:58
6:58
6:58
 mm
1
1
2
1
1
Temp °C
24
24
24
24
23
23
23
23
24
24
24
24
23
21
23
25
25
25
24
22
21
21
20
20
Feels °C
26
27
27
26
25
26
26
25
27
27
26
25
22
20
21
22
20
20
23
23
22
21
19
18
Swell 1
Height (m)
Direction
Period (s)
0.7
SE
9
0.8
SE
9
0.8
SSW
7
0.9
SSW
7
1
SSW
7
0.9
SSW
7
0.9
SW
7
0.8
SSW
7
0.7
SW
7
0.7
SSW
6
0.6
ESE
9
0.6
SW
6
0.6
ESE
9
0.6
ESE
9
0.6
ESE
9
0.5
ESE
9
0.5
ESE
9
0.4
ESE
9
0.4
ESE
9
2.1
SW
8
1.8
SW
8
1.6
SW
8
1.3
SW
8
1.3
SW
8
Energy kJ
81
99
56
66
93
93
73
61
47
37
54
32
53
53
52
42
42
29
25
565
408
355
233
196
Swell 2
Height (m)
Direction
Period (s)
0.6
SW
8
0.6
SW
7
0.6
SE
9
0.6
SE
9
0.6
SE
9
0.6
ESE
10
0.6
SE
9
0.6
SE
9
0.6
ESE
9
0.6
ESE
9
0.6
SSW
6
0.6
ESE
9
0.5
SW
6
0.3
ESE
13
0.3
ESE
13
0.3
ESE
13
0.3
ESE
13
0.2
ESE
12
0.2
ESE
12
0.4
ESE
9
0.4
ESE
9
0.4
ESE
9
0.6
S
6
0.4
ESE
9
Energy kJ
35
34
67
67
67
63
67
67
55
54
27
53
19
33
33
32
31
15
15
27
31
31
27
32
Swell 3
Height (m)
Direction
Period (s)
0.3
ESE
14
0.3
ESE
14
0.3
ESE
13
0.3
ESE
13
0.3
ESE
13
0.3
ESE
13
0.3
ESE
13
0.3
ESE
13
0.3
ESE
13
0.3
ESE
13
0.3
ESE
13
0.3
ESE
13
0.3
ESE
13
0.2
ENE
10
0.2
ENE
10
0.2
ENE
10
0.1
NE
10
0.1
NE
10
0.1
SE
9
0.2
ESE
12
0.2
ESE
12
0.2
ESE
12
0.4
ESE
9
0.2
ESE
12
Energy kJ
36
36
35
35
35
35
35
35
34
34
34
34
33
10
11
11
4
4
3
15
14
14
32
14
Wind waves
Height (m)
Direction
Period (s)
0.3
ENE
3
0.4
SW
4
0.6
SW
6
1
SSW
4
1.2
SW
5
1.8
SW
6
3
SW
7
3
SW
8
2.4
SW
8
0.4
NE
3
0.5
NE
3
0.5
NE
3
Energy kJ
1
3
33
35
63
224
844
908
728
3
6
6
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
3
2
4
4
2
2
2
2
Distance (km)
0
0
0
12
12
0
0
0
36
12
36
64
70
64
64
504
500
36
36
0
0
0
0
0
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
2
4
2
2
2
2
Best forecast wave conditions in Japan
Rating
(10 max)
1
1
1
2
2
2
1
1
1
1
1
1
1
1
2
2
3
3
4
4
3
2
2
2
Header Global
Rating
(10 max)
5
5
5
5
5
5
5
5
5
5
5
5
5
4
5
5
8
5
7
6
6
5
7
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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