Mera Surf Break

Mera 48 hour detailed Surf Forecast

Lat Long: 34.90° N 139.84° E

Issued: 8 pm 04 Jul 2026 (local time)

Forecast update in  hr  min

Today's Mera sea temperature is
23.7° C

Slightly cooler than normal

Mera surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Surf Forecasts:

How big are the waves at Mera today (05 Jul):

  • Morning surf: Morning surf (05 Jul, local time) - 1.5ft (0.4m), 10s period with ESE swell.
  • Afternoon surf: Afternoon surf (05 Jul, local time) - 5ft (1.6m), 6s period with SE swell.
  • Evening surf: Evening surf (05 Jul, local time) - 5ft (1.6m), 6s period with SE swell.

The current surf forecast for Mera at 3AM is: 0.3m 11s primary swell from a East-southeast direction and 0.6m 4s secondary swell from a South direction (forecast issued at 08:00pm July 04). An open ocean swell of 0.4m 8s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (05 Jul)1.5ft (0.4m)10s
Afternoon (05 Jul)5ft (1.6m)6s
Evening (05 Jul)5ft (1.6m)6s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table

Short Range Forecast

Heavy rain (total 36mm), heaviest during Mon night. Warm (max 24°C on Sat night, min 21°C on Mon night). Winds increasing (light winds from the S on Sat night, fresh winds from the NNE by Mon night).

Sat
4
Sunday
5
Monday
6
Tuesday
7
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
12 PM
3 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
1
1
1
0
0
0
1
1
1
2
3
1
2
2
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)
0.4
SE
11
0.4
SE
11
0.3
SE
10
0.3
ESE
11
0.3
ESE
11
0.4
ESE
10
1.2
SE
5
1.6
SE
6
1.6
SE
6
1.6
SE
6
1.6
SE
6
1.6
SE
6
1.7
SE
7
1.7
SE
7
1.7
ESE
7
0.9
SE
13
1.1
SE
13
1.1
SE
13
0.7
SSE
16
1.1
SE
12
0.8
SSE
14
1.3
SSE
16
1.7
SSE
16
1.7
SSE
16
Wave Graph
Metric surfscale
Energy kJ
30
29
16
23
22
40
76
154
177
200
182
213
261
261
251
286
380
392
240
330
261
778
1536
1415
Wind (km/h)
20
S
15
S
15
SSW
15
S
20
SE
20
ESE
25
SE
25
ESE
20
ESE
20
ESE
25
ESE
25
E
30
E
25
E
25
E
25
ESE
25
ESE
20
ESE
25
NE
35
NNE
35
NNE
35
NNE
35
NNE
35
NNE
Wind State
cross-on
cross-on
cross-on
cross-on
cross
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
cross-off
cross-off
off
High Tide
8:04PM1.35m
6:47AM1.34m
8:30PM1.34m
7:38AM1.27m
8:57PM1.33m
8:41AM1.18m
Low Tide
1:27AM0.80m
1:40PM0.25m
2:11AM0.75m
2:15PM0.39m
3:04AM0.68m
2:52PM0.56m
light rain
light rain
light rain
light rain
cloud
cloud
light rain
cloud
cloud
cloud
cloud
cloud
light rain
light rain
light rain
light rain
light rain
mod rain
mod rain
light rain
cloud
cloud
part cloud
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
4:31
—
—
—
—
—
—
—
4:31
—
—
—
—
—
—
—
4:33
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:58
—
—
—
—
—
—
—
6:58
—
—
—
—
—
—
—
6:57
—
—
—
—
—
—
6:57
 mm
1
2
3
3
—
—
1
—
—
—
—
—
1
1
2
3
4
6
6
3
—
—
—
1
Temp °C
24
24
22
22
23
23
23
23
23
23
23
22
22
22
22
22
23
23
22
21
21
22
22
21
Feels °C
25
25
23
23
23
23
22
22
23
23
22
21
20
21
21
21
23
24
22
17
18
19
18
17
Swell 1
Height (m)
Direction
Period (s)
0.5
E
8
0.5
E
8
0.5
E
8
0.4
ENE
8
0.4
ENE
8
0.4
ESE
10
0.4
ENE
8
0.1
SE
10
0.3
ESE
10
0.3
ESE
10
0.4
SW
7
0.5
SE
15
0.6
SE
15
0.7
SE
14
1.7
ESE
7
1.5
ESE
7
1.4
ESE
7
1.3
ESE
7
1.2
ESE
7
1.1
ESE
7
1.1
ESE
7
1.3
SSE
16
1.7
SSE
16
1.7
SSE
16
Energy kJ
33
33
32
20
19
40
19
4
21
21
16
104
174
208
251
211
180
154
139
136
140
778
1536
1415
Swell 2
Height (m)
Direction
Period (s)
0.4
SE
11
0.4
SE
11
0.3
SE
10
0.3
ESE
11
0.3
ESE
11
0.4
ENE
8
0.3
ESE
10
0.1
SW
6
0.1
SE
15
0.3
SW
7
0.4
SE
15
0.4
SW
7
0.4
SW
7
0.4
SW
7
0.8
SE
14
0.9
SE
13
1.1
SE
13
1.1
SE
13
0.9
SE
12
1.1
SE
12
0.9
SE
12
1
E
7
0.9
ESE
7
0.8
SE
10
Energy kJ
30
29
15
23
22
19
20
1
9
7
54
15
16
16
241
286
380
392
240
330
224
112
89
132
Swell 3
Height (m)
Direction
Period (s)
0.4
SW
7
0.3
SW
6
0.2
ESE
11
0.2
WSW
6
0.3
SE
10
0.2
WSW
6
0.1
SW
6
0.1
SE
16
0.1
SE
10
0.2
ENE
8
0.3
ESE
11
0.3
ESE
11
0.2
E
11
0.2
ESE
11
0.4
SE
17
0.4
SW
7
0.4
SW
6
0.4
SW
6
0.7
SSE
16
0.7
SSE
16
0.8
SSE
14
1
SE
12
0.6
SW
7
0.7
ESE
7
Energy kJ
11
7
12
4
15
4
1
10
4
6
22
23
9
12
75
11
11
10
212
232
261
264
29
55
Wind waves
Height (m)
Direction
Period (s)
0.6
SSE
4
0.6
SSE
4
0.7
S
4
0.6
S
4
0.5
SSE
4
0.8
SSE
4
1.2
SE
5
1.6
SE
6
1.6
SE
6
1.6
SE
6
1.6
SE
6
1.6
SE
6
1.7
SE
7
1.7
SE
7
—
—
—
—
0.4
NNW
3
0.7
NNW
4
1
NNW
4
1.4
NNW
5
1.4
NNW
5
1.4
N
5
Energy kJ
11
13
16
12
9
24
76
154
177
200
182
213
261
261
—
—
—
—
4
13
38
87
105
96
Nearest Offshore or Glassy
Ohara
Chiba
Ohara
Chiba
Ohara
Chiba
Ohara
Chiba
Ohara
Chiba
Ohara
Chiba
Hashikui Bay
Shikoku
Santos (Hachijojima Island)
Izu Islands
Kaiser's (Hachijojima Island)
Izu Islands
Nagahama
Kanagawa
Nagahama
Kanagawa
Hayama Cliffs
Kanagawa
Osaki
Kanagawa
Hayama
Kanagawa
Keta Reef Oshima
Izu Islands
Keta Reef Oshima
Izu Islands
Nagahama
Kanagawa
Keta Reef Oshima
Izu Islands
Mera
Chiba
Omaezaki
Shizuoka
Suruga Bay
Shizuoka
Omaezaki
Shizuoka
Omaezaki
Shizuoka
Omaezaki
Shizuoka
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
3
2
2
3
3
4
Distance (km)
64
64
64
64
64
64
504
204
204
39
39
43
50
44
47
47
39
47
0
153
148
153
153
153
Best forecast wave conditions in Chiba
Tsurigasaki Surfing Beach (Tokyo 2020)
Shida
Shida
Tsurigasaki Surfing Beach (Tokyo 2020)
Tsurigasaki Surfing Beach (Tokyo 2020)
Shida
Mera
Rating
(10 max)
1
1
1
1
1
1
3
Best forecast wave conditions in Japan
Tsurigasaki Surfing Beach (Tokyo 2020)
Chiba
Takanabe
Kyu Shu
Osaki Point
Shikoku
Niyodo Rivermouth
Shikoku
Niyodo Rivermouth
Shikoku
Nunoshima
Shikoku
Takanabe
Kyu Shu
Niyodo Rivermouth
Shikoku
Niyodo Rivermouth
Shikoku
Keta Reef Oshima
Izu Islands
Niyodo Rivermouth
Shikoku
Omaezaki
Shizuoka
Kaiser's (Hachijojima Island)
Izu Islands
Niyodo Rivermouth
Shikoku
Niyodo Rivermouth
Shikoku
Kaiser's (Hachijojima Island)
Izu Islands
Niyodo Rivermouth
Shikoku
Niyodo Rivermouth
Shikoku
Niyodo Rivermouth
Shikoku
Niyodo Rivermouth
Shikoku
Kaiser's (Hachijojima Island)
Izu Islands
Niyodo Rivermouth
Shikoku
Takegashima
Shikoku
Nunoshima
Shikoku
Rating
(10 max)
1
1
2
1
1
1
1
1
1
1
1
2
2
2
2
3
3
3
3
3
4
3
4
4
Header Global
Cyclops
Australia
Cyclops
Australia
Cyclops
Australia
Cat Bay (Shelly Beach)
Australia
Lebu
Chile
Lebu
Chile
Trial Harbour
Australia
Trial Harbour
Australia
Trial Harbour
Australia
Trial Harbour
Australia
Easter Reef
Australia
Blaketown Wedge
New Zealand
Blaketown Wedge
New Zealand
Desperation Point
New Zealand
Arawhata
New Zealand
Anawhata Road (Oaonui)
New Zealand
Anawhata Road (Oaonui)
New Zealand
Desperation Point
New Zealand
Cobblestones
Australia
Cobblestones
Australia
Cobblestones
Australia
Cobblestones
Australia
Cobblestones
Australia
Trial Harbour
Australia
Rating
(10 max)
5
5
5
5
5
5
9
9
9
8
7
5
5
6
5
5
5
5
9
8
8
8
7
5
  • 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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