Mera Surf Break

Mera 48 hour detailed Surf Forecast

Lat Long: 34.90° N 139.84° E

Issued: 2 pm 28 Jun 2026 (local time)

Forecast update in  hr  min

Today's Mera sea temperature is
23.7° 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 (28 Jun):

  • Afternoon surf: Afternoon surf (28 Jun, local time) - 6.5ft (2.0m), 10s period with SSW swell.
  • Evening surf: Evening surf (28 Jun, local time) - 4.5ft (1.3m), 10s period with SW swell.

The current surf forecast for Mera at 6PM is: 1.4m 10s primary swell from a Southwest direction and 1.1m 8s secondary swell from a South-southeast direction (forecast issued at 02:00pm June 28). The wind direction is predicted to be cross-offshore and the swell rating is 3.

Time (JST) & DateWave HeightWave Period
Morning (28 Jun)--
Afternoon (28 Jun)6.5ft (2.0m)10s
Evening (28 Jun)4.5ft (1.3m)10s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 13mm), heaviest on Sun afternoon. Warm (max 24°C on Mon afternoon, min 21°C on Sun night). Wind will be generally light.

Sun
28
Monday
29
Tuesday
30
Wed
1
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)
4
2
3
2
0
1
2
2
2
1
1
0
0
2
1
1
1
0
0
0
0
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)
2.2
SSW
11
2
SSW
10
1.4
SW
10
1.3
SW
10
1.2
SW
9
1.1
SW
9
1
SW
9
0.9
SW
8
0.8
SSE
9
0.8
SSE
9
0.8
SSE
9
0.7
SE
9
0.8
SW
8
0.7
SE
10
0.7
SE
9
0.7
SE
9
0.7
SE
9
0.7
SE
9
0.7
SE
9
0.6
SE
9
0.6
SE
9
0.6
ESE
10
1
SSW
7
1
SSW
7
Wave Graph
Metric surfscale
Energy kJ
1134
836
380
334
246
176
149
118
103
103
106
86
88
94
86
81
81
81
81
67
67
63
93
108
Wind (km/h)
15
ESE
10
SE
10
ESE
5
SW
15
W
15
NW
10
N
5
NNE
5
SSE
10
SSE
10
S
15
SSW
15
WSW
5
W
5
NE
5
NE
5
SE
5
SSE
10
S
10
S
10
S
0
SSE
10
ENE
15
NE
Wind State
cross-off
cross
cross-off
glassy
cross-on
cross
cross-off
off
glassy
cross-on
cross-on
cross-on
on
glassy
off
off
glassy
cross-on
cross-on
cross-on
cross-on
glassy
off
off
High Tide
5:03PM1.31m
2:53AM1.39m
5:36PM1.35m
3:34AM1.41m
6:07PM1.37m
4:12AM1.43m
Low Tide
9:40AM0.14m
9:46PM0.98m
10:17AM0.09m
10:26PM0.95m
10:52AM0.05m
11:03PM0.92m
light rain
light rain
mod rain
light rain
part cloud
cloud
cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
cloud
cloud
part cloud
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:28
4:28
4:30
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:58
6:58
6:58
6:58
 mm
1
4
8
1
Temp °C
22
22
22
23
22
21
21
22
22
23
24
23
23
22
22
23
23
24
23
23
23
23
23
23
Feels °C
23
25
25
27
24
22
23
25
25
25
27
25
25
26
25
26
26
27
26
25
26
27
26
24
Swell 1
Height (m)
Direction
Period (s)
2.2
SSW
11
2
SSW
10
1.4
SW
10
1.3
SW
10
1.2
SW
9
1.1
SW
9
1
SW
9
0.9
SW
8
0.8
SW
8
0.8
SSE
9
0.8
SSE
9
0.7
SE
9
0.7
SE
9
0.8
SW
8
0.7
SE
9
0.7
SE
9
0.7
SE
9
0.7
SE
9
0.7
SE
9
0.7
SSW
7
0.7
SSW
7
0.7
S
6
1
SSW
7
1
SSW
7
Energy kJ
1134
836
380
334
246
176
149
118
95
103
106
86
88
69
86
81
81
81
81
43
44
35
93
108
Swell 2
Height (m)
Direction
Period (s)
0.3
E
9
0.3
E
8
1.1
SSE
8
1
SSE
8
1
SSE
8
0.9
SSE
8
0.7
SSE
7
0.6
SSE
7
0.8
SSE
9
0.7
SW
8
0.7
SW
8
0.7
SW
8
0.3
ESE
14
0.7
SE
10
0.7
SW
8
0.6
SW
8
0.6
SW
8
0.6
SW
7
0.6
SW
7
0.6
SE
9
0.6
SE
9
0.6
ESE
10
0.6
SE
9
0.6
ESE
9
Energy kJ
13
12
149
122
107
81
54
41
103
64
63
60
41
94
60
48
35
34
42
67
67
63
67
55
Swell 3
Height (m)
Direction
Period (s)
0.2
ESE
16
0.3
ESE
15
0.3
ESE
15
0.3
ESE
15
0.3
ESE
15
0.4
SE
10
0.5
SE
9
0.5
SE
9
0.3
ESE
15
0.3
ESE
15
0.3
ESE
15
0.3
ESE
14
0.2
E
8
0.3
ESE
14
0.3
ESE
14
0.3
ESE
14
0.3
ESE
14
0.3
ESE
14
0.3
ESE
13
0.3
ESE
13
0.3
ESE
13
0.6
SW
7
0.3
ESE
13
0.3
ESE
13
Energy kJ
24
44
42
42
42
32
41
41
42
42
42
41
5
39
37
36
36
36
35
35
35
33
35
35
Wind waves
Height (m)
Direction
Period (s)
0.4
SW
3
0.8
SW
8
0.4
SSE
3
0.4
N
2
0.8
NE
4
Energy kJ
3
69
3
2
16
Nearest Offshore or Glassy
Rating
(10 max)
4
2
3
2
2
2
2
2
2
1
1
1
2
2
1
1
1
1
1
1
1
1
1
1
Distance (km)
0
14
0
0
12
12
0
0
0
51
64
64
12
0
0
0
0
36
33
64
12
0
0
0
Best forecast wave conditions in Chiba
Rating
(10 max)
4
2
3
3
2
2
2
2
2
1
1
1
2
2
1
1
1
1
1
1
1
2
2
1
Best forecast wave conditions in Japan
Rating
(10 max)
4
2
4
3
2
2
2
2
2
2
1
1
2
2
1
1
1
1
1
1
2
2
2
1
Header Global
Rating
(10 max)
9
8
6
6
5
5
6
5
6
6
7
6
5
5
5
5
5
5
5
5
5
5
5
5
  • 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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