Mera Surf Break

Mera 48 hour detailed Surf Forecast

Lat Long: 34.90° N 139.84° E

Issued: 2 pm 25 Jun 2026 (local time)

Forecast update in  hr  min

Today's Mera sea temperature is
23.3° 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 (25 Jun):

  • Afternoon surf: Afternoon surf (25 Jun, local time) - 3ft (0.9m), 14s period with SW swell.
  • Evening surf: Evening surf (25 Jun, local time) - 3.5ft (1.1m), 13s period with SW swell.

The current surf forecast for Mera at 10PM is: 1.1m 13s primary swell from a Southwest direction and 1.2m 7s secondary swell from a South direction (forecast issued at 02:00pm June 25). The wind direction is predicted to be cross-offshore and the swell rating is 3.

Time (JST) & DateWave HeightWave Period
Morning (25 Jun)--
Afternoon (25 Jun)3ft (0.9m)14s
Evening (25 Jun)3.5ft (1.1m)13s

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 247mm), heaviest during Sat night. Warm (max 25°C on Thu night, min 20°C on Thu night). Winds increasing (light winds from the W on Thu night, strong winds from the SW by Fri afternoon).

Thu
25
Friday
26
Saturday
27
Sun
28
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
2
1
3
1
0
0
0
0
0
0
0
1
0
1
3
2
2
3
3
3
4
2
5
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)
0.6
SW
15
0.9
SW
14
1
SW
13
1.1
SW
13
1
SW
13
1
SW
13
2
SSW
14
1.2
SW
14
2.2
SW
6
1.2
SW
14
1.3
SW
14
1.3
SW
14
1.7
SW
13
1.6
SW
13
1.6
SW
13
1.5
SSW
13
1.1
SW
13
4
SSW
10
3
SSW
10
2.1
SW
10
2.4
SSW
10
2.5
S
10
3.5
SSW
10
2.5
SW
12
Wave Graph
Metric surfscale
Energy kJ
171
304
342
444
316
321
1560
557
341
541
641
588
999
933
854
784
372
2676
1810
850
1153
1243
2331
2005
Wind (km/h)
25
E
20
N
30
NNW
10
NW
5
W
20
SW
30
SW
35
SW
35
SW
35
SW
40
SW
35
SW
20
WSW
20
SSW
10
WSW
10
ESE
35
ENE
15
WNW
5
SSE
20
ESE
10
SE
25
NE
35
N
10
N
Wind State
cross-off
cross-off
cross-off
cross-off
cross-on
on
on
on
on
on
on
on
on
on
on
cross-off
off
cross-on
cross-on
cross-off
cross
off
cross-off
cross-off
High Tide
2:46PM1.12m
00:28AM1.32m
3:44PM1.20m
1:19AM1.34m
4:27PM1.26m
2:08AM1.37m
Low Tide
6:51PM0.98m
8:17AM0.29m
8:01PM1.01m
9:00AM0.20m
8:58PM1.01m
mod rain
light rain
light rain
light rain
light rain
light rain
cloud
part cloud
cloud
cloud
light rain
light rain
light rain
light rain
mod rain
mod rain
heavy rain
light rain
light rain
mod rain
heavy rain
heavy rain
rain showers
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:28
4:28
4:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:58
6:58
6:58
6:58
 mm
6
4
1
1
2
1
1
1
2
1
7
8
58
3
2
9
83
60
2
Temp °C
21
21
21
21
20
22
25
25
25
24
24
23
22
22
21
21
21
22
22
22
23
22
22
23
Feels °C
20
21
19
23
22
23
24
24
23
22
21
20
22
22
23
23
18
23
25
23
26
22
20
25
Swell 1
Height (m)
Direction
Period (s)
0.6
SW
15
1
S
7
1.3
S
7
1.2
S
7
1.1
S
7
1
SW
13
0.4
SE
10
1.2
SW
14
0.4
SE
11
1.2
SW
14
1.3
SW
14
1.3
SW
14
1.7
SW
13
1.6
SW
13
1.6
SW
13
1.5
SSW
13
1.1
SW
13
4
SSW
10
3
SSW
10
2.1
SW
10
2.4
SSW
10
0.6
SW
11
3.5
SSW
10
2.5
SW
12
Energy kJ
171
92
161
131
104
321
38
557
42
541
641
588
999
933
854
784
369
2676
1810
850
1153
99
2331
2005
Swell 2
Height (m)
Direction
Period (s)
0.6
SSW
12
0.9
SW
14
1
SW
13
1.1
SW
13
1
SW
13
0.7
SW
15
0.4
ENE
7
0.4
SE
11
0.3
ENE
10
0.4
SE
11
0.4
SE
11
0.4
SE
10
0.7
SSE
7
0.4
SE
10
0.4
SE
10
0.4
ENE
8
0.4
E
8
0.3
ESE
16
0.5
NW
4
1.6
SSE
8
0.8
SSW
12
0.2
ESE
16
0.6
SW
11
2.4
S
10
Energy kJ
96
304
342
444
316
215
15
42
20
41
40
39
54
37
37
24
22
51
9
341
172
25
76
1200
Swell 3
Height (m)
Direction
Period (s)
0.5
SE
10
0.8
E
5
0.7
E
6
0.6
E
6
0.6
ENE
6
0.5
E
7
0.2
ENE
10
0.3
ENE
7
0.2
ESE
18
0.3
ENE
10
0.2
E
7
0.2
ENE
10
0.4
SE
10
0.2
E
10
0.3
ENE
9
0.4
SE
10
0.3
ESE
16
0.3
ESE
16
0.3
E
9
0.4
E
9
0.2
ESE
16
0.1
NE
9
0.2
ESE
16
0.2
ESE
16
Energy kJ
49
32
33
29
33
22
10
9
31
20
4
10
37
8
16
36
51
51
13
24
25
3
25
25
Wind waves
Height (m)
Direction
Period (s)
1
E
4
1
SW
7
0.5
NNW
3
1
S
6
2
SSW
14
1.8
SSW
6
2.2
SW
6
1.8
SW
6
1.4
SW
6
1.4
SW
6
2.2
S
6
0.9
NW
4
0.3
E
9
2.5
S
10
1
NNW
5
Energy kJ
38
89
6
79
1560
233
341
253
157
172
372
29
13
1243
45
Nearest Offshore or Glassy
Rating
(10 max)
1
3
3
3
3
2
1
3
3
2
2
2
1
1
3
3
1
4
4
3
2
4
2
5
Distance (km)
50
12
12
0
12
36
61
148
244
483
500
483
61
70
12
0
50
36
36
14
39
0
44
0
Best forecast wave conditions in Chiba
Rating
(10 max)
3
3
3
3
1
1
3
3
4
4
3
4
5
Best forecast wave conditions in Japan
Rating
(10 max)
4
3
4
4
3
4
3
3
3
3
3
3
4
4
4
3
3
4
4
4
4
4
4
5
Header Global
Rating
(10 max)
5
5
5
5
5
4
4
5
5
5
6
7
8
5
5
7
6
6
6
5
5
5
5
8
  • 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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