Mera Surf Break

Mera 48 hour detailed Surf Forecast

Lat Long: 34.90° N 139.84° E

Issued: 8 am 19 Jun 2026 (local time)

Forecast update in  hr  min

Today's Mera sea temperature is
22.6° 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 (19 Jun):

  • Morning surf: Morning surf (19 Jun, local time) - 3ft (0.9m), 8s period with SW swell.
  • Afternoon surf: Afternoon surf (19 Jun, local time) - 2ft (0.6m), 8s period with SW swell.
  • Evening surf: Evening surf (19 Jun, local time) - 2ft (0.6m), 7s period with SW swell.

The current surf forecast for Mera at 1PM is: 0.8m 8s primary swell from a Southwest direction and 0.5m 6s secondary swell from a South-southeast direction (forecast issued at 08:00am June 19). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (19 Jun)3ft (0.9m)8s
Afternoon (19 Jun)2ft (0.6m)8s
Evening (19 Jun)2ft (0.6m)7s

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 53mm), heaviest during Sat night. Warm (max 24°C on Fri afternoon, min 21°C on Sat afternoon). Winds increasing (calm on Fri morning, strong winds from the SW by Sat night).

Friday
19
Saturday
20
Sunday
21
Mon
22
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)
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
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
8
0.9
SW
8
0.8
SW
8
0.6
SW
8
0.6
SW
8
0.6
SW
7
0.6
SW
7
0.4
SE
10
0.6
SW
7
0.6
SW
7
0.6
SW
7
0.6
SW
7
0.6
SW
7
0.6
SW
7
0.9
SSW
7
1.4
SSW
5
2.3
SW
6
2.3
SW
7
2
SW
7
1.9
SW
8
1.9
SW
8
2.1
SW
8
1.5
SW
8
1.4
SW
8
Wave Graph
Metric surfscale
Energy kJ
109
107
75
46
45
44
33
34
34
34
34
31
39
31
77
97
451
539
412
429
458
571
291
273
Wind (km/h)
5
ESE
5
SE
5
SSW
10
S
10
S
10
SSE
5
SE
10
ENE
10
ENE
15
ENE
10
ESE
10
SE
10
SE
20
SE
30
SSE
35
S
40
SW
35
SW
30
WSW
20
WSW
15
WSW
15
W
20
N
10
N
Wind State
glassy
glassy
cross-on
cross-on
cross-on
cross
cross-off
cross-off
off
cross-off
cross-off
cross
cross
cross
cross
cross-on
on
on
on
on
cross-on
cross-on
cross-off
cross-off
High Tide
6:21AM1.42m
8:42PM1.32m
7:16AM1.31m
9:17PM1.29m
8:19AM1.19m
9:50PM1.27m
Low Tide
1:36PM0.06m
1:54AM0.85m
2:20PM0.22m
2:52AM0.79m
3:02PM0.41m
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
light rain
mod rain
mod rain
light rain
mod rain
light rain
heavy rain
thunderstorm
cloud
part cloud
part cloud
cloud
part 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>
6:55
6:57
6:57
6:57
 mm
2
7
9
3
6
3
22
1
Temp °C
22
22
23
24
24
23
23
23
23
23
23
22
21
21
22
23
23
23
23
24
24
23
22
21
Feels °C
25
25
26
26
27
26
26
26
25
25
25
25
23
21
21
21
20
21
22
25
25
24
22
22
Swell 1
Height (m)
Direction
Period (s)
0.9
SW
8
0.9
SW
8
0.8
SW
8
0.6
SW
8
0.6
SW
8
0.6
SW
7
0.6
SW
7
0.5
SW
7
0.6
SW
7
0.6
SW
7
0.6
SW
7
0.7
SE
4
0.8
ESE
5
0.8
ENE
10
0.9
ENE
10
0.9
ENE
10
0.9
ENE
10
0.7
ENE
10
0.7
ENE
10
0.8
ENE
10
0.8
ENE
10
1.8
SW
8
1.5
SW
8
1.4
SW
8
Energy kJ
109
107
75
46
45
44
33
25
31
30
30
21
28
105
157
157
137
100
100
109
109
403
291
273
Swell 2
Height (m)
Direction
Period (s)
0.8
SSE
6
0.7
SE
6
0.5
SSE
6
0.5
S
6
0.5
E
9
0.4
ENE
9
0.4
ENE
9
0.4
ENE
9
0.4
ENE
8
0.5
ENE
9
0.5
ENE
9
0.7
ENE
9
0.7
ENE
9
0.6
SW
7
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
11
0.8
ENE
10
0.9
ENE
10
0.9
ENE
10
Energy kJ
52
39
21
17
40
26
25
25
24
46
45
73
78
30
30
30
29
21
29
30
29
107
135
137
Swell 3
Height (m)
Direction
Period (s)
0.4
ENE
9
0.4
ENE
9
0.5
ENE
9
0.5
E
9
0.4
SSE
6
0.4
SSE
5
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.6
SW
7
0.6
SW
7
0.4
SE
9
0.3
SE
12
0.3
SE
12
0.3
SE
11
0.3
SE
11
0.3
SE
11
0.3
SE
11
0.3
SE
9
0.4
SE
9
0.4
SE
10
0.4
SE
10
Energy kJ
31
31
45
40
11
10
25
34
34
34
34
31
39
31
22
21
20
20
19
19
12
31
35
35
Wind waves
Height (m)
Direction
Period (s)
0.3
SE
5
0.6
ESE
4
0.9
SE
5
0.7
ESE
5
0.9
SSW
7
1.4
SSW
5
2.3
SW
6
2.3
SW
7
2
SW
7
1.9
SW
8
1.9
SW
8
2.1
SW
8
Energy kJ
3
8
35
19
77
97
451
539
412
429
458
571
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
2
2
2
1
1
2
2
3
3
3
4
2
2
Distance (km)
0
0
36
36
35
12
12
153
153
153
153
64
64
64
148
52
50
36
36
33
12
12
12
0
Best forecast wave conditions in Chiba
Rating
(10 max)
1
1
1
1
1
1
1
2
2
2
2
3
3
4
4
2
2
Best forecast wave conditions in Japan
Rating
(10 max)
2
2
1
1
1
1
1
1
1
1
1
2
2
2
1
1
3
3
3
3
4
4
2
2
Header Global
Rating
(10 max)
5
5
6
6
6
6
4
4
4
4
5
5
4
6
5
5
8
9
9
9
8
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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