Mera Surf Break

Mera Surf Forecast and Surf Report

Lat Long: 34.90° N 139.84° E

Issued: 8 am 14 Jun 2026 (local time)

Forecast update in  hr  min

Today's Mera sea temperature is
23.0° 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.


Mera surf forecast from 14 Jun 2026:

  • Best quality surf: Tuesday 16 Jun, 3AM (local time) - 6.5ft (2.0m), 9s period, ESE swell with offshore winds.
  • Most powerful swell: Friday 19 Jun, 12AM (local time) - 10ft (3.0m), 8s period, SW swell with 960 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 16 Jun, 3AM (local time) - 6.5ft (2.0m), 9s period with ESE swell.

Best Forecast Surf Conditions for Mera this week:

The surf forecast for Mera over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Jun 16) at 3AM. The primary swell is predicted to be 2.0m and 9s period with a secondary swell of 0.2m and 13s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Mera in the next 16 days are 3.0m 8s and forecast to arrive on Friday (Jun 19) at 12AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.1m 7s period and expected on Monday (Jun 15) at 12PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 3AM (Tue 16th Jun)6.5ft (2.0m) 9s
Best Surf 3AM (Tue 16th Jun)6.5ft (2.0m) 9s
Most Powerful12AM (Fri 19th Jun)10ft (3.0m) 8s

Table - best surf conditions forecast for Mera over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 18mm), heaviest on Sun night. Warm (max 22°C on Sun morning, min 17°C on Sun night). Winds decreasing (fresh winds from the ENE on Mon morning, calm by Tue morning).

Days 4-6 Weather Summary

Heavy rain (total 27mm), heaviest during Thu night. Warm (max 23°C on Fri afternoon, min 21°C on Wed afternoon). Wind will be generally light.

Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
1
2
2
0
0
0
0
0
0
0
3
1
2
1
1
1
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
E
8
0.7
E
8
0.7
E
8
2.2
E
6
1.8
ESE
8
2.2
ESE
9
1.6
E
8
1.3
E
8
1.1
E
8
1
E
8
0.3
SE
11
0.3
SE
10
0.5
SW
9
0.4
SW
8
3
SW
8
1.2
SW
8
1.3
SW
8
1
SW
8
1.2
SSW
8
0.8
SW
8
0.4
SE
9
Wave Graph
Metric surfscale
Energy kJ
64
69
68
377
432
708
339
213
157
127
18
16
37
24
960
160
250
119
188
80
31
Wind (km/h)
15
SSW
20
S
25
ESE
40
ENE
35
NNE
25
NNE
10
N
10
S
10
SE
10
SE
10
SE
10
SE
20
ESE
20
E
20
NNW
15
NNE
0
ESE
15
E
20
E
25
ENE
25
NE
Wind State
cross-on
cross-on
cross-off
off
cross-off
cross-off
cross-off
cross-on
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
glassy
cross-off
cross-off
cross-off
off
High Tide
5:06PM1.42m
3:10AM1.50m
5:55PM1.45m
3:57AM1.53m
6:41PM1.44m
4:43AM1.53m
7:24PM1.41m
5:31AM1.49m
8:05PM1.36m
6:21AM1.42m
8:42PM1.32m
7:16AM1.31m
9:17PM1.29m
Low Tide
9:46AM-0.10m
10:01PM0.98m
10:33AM-0.18m
10:48PM0.99m
11:20AM-0.20m
11:33PM0.97m
12:07PM-0.17m
00:17AM0.94m
12:52PM-0.08m
1:03AM0.90m
1:36PM0.06m
1:54AM0.85m
2:20PM0.22m
2:52AM0.79m
cloud
cloud
heavy rain
mod rain
rain showers
clear
clear
clear
cloud
part cloud
part cloud
part cloud
light rain
mod rain
thunderstorm
rain showers
clear
part cloud
cloud
cloud
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:26
4:26
4:26
4:26
4:26
4:26
4:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:54
6:54
6:54
6:55
6:55
6:55
6:57
 mm
11
6
1
1
7
13
6
1
Temp °C
22
22
20
19
18
18
20
20
21
22
22
21
22
22
22
22
23
22
21
21
20
Feels °C
22
21
17
14
13
14
22
20
22
22
22
21
21
23
26
23
27
24
20
19
18
Swell 1
Height (m)
Direction
Period (s)
0.7
E
8
0.7
E
8
0.7
E
8
0.1
SE
14
1.8
ESE
8
2.2
ESE
9
1.6
E
8
1.3
E
8
1.1
E
8
1
E
8
1
E
8
1
E
10
0.9
ENE
9
0.4
SW
8
2.2
SSW
8
1.2
SW
8
1.3
SW
8
1
SW
8
1.2
SSW
8
0.8
SW
8
0.5
SW
7
Energy kJ
64
69
68
8
432
708
339
213
157
127
137
188
141
23
643
160
250
119
188
77
27
Swell 2
Height (m)
Direction
Period (s)
0.4
SW
8
0.3
SW
7
0.3
SW
7
0.1
SW
7
0.8
SSE
9
0.1
SE
13
0.2
SSW
7
0.3
SSE
7
0.4
SW
7
0.4
SW
7
0.3
SW
7
0.3
SW
8
0.5
SW
9
0.1
SE
15
0.8
E
9
0.8
SSE
6
0.8
SSE
6
0.5
ENE
9
0.6
ENE
8
0.6
S
6
0.4
SE
9
Energy kJ
15
9
7
2
101
7
5
9
12
12
7
9
37
9
101
47
47
42
53
29
31
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
15
0.2
SSE
6
0.2
ESE
15
0.1
S
24
0.1
S
22
0.2
ESE
13
0.2
SSW
7
0.1
SE
9
0.2
SSE
9
0.3
SE
11
0.3
SE
10
0.2
SSE
10
0.4
SW
8
0.2
SSE
9
0.8
E
8
0.6
E
9
0.5
SSE
6
0.4
ESE
6
0.4
SE
10
0.3
SSE
6
Energy kJ
8
3
21
11
9
17
5
3
8
18
16
10
24
9
90
54
18
17
34
6
Wind waves
Height (m)
Direction
Period (s)
0.6
S
6
0.6
S
4
0.5
SSE
5
2.2
E
6
1.8
ENE
8
0.8
N
4
0.3
NNW
4
0.2
S
5
0.7
SE
4
1.9
SE
6
3
SW
8
0.7
N
4
0.3
ENE
3
0.8
E
8
1.2
ENE
8
Energy kJ
25
11
14
377
446
21
3
2
14
213
960
14
2
80
181
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
2
3
1
2
2
2
1
2
1
1
2
2
2
2
1
1
1
1
Distance (km)
153
64
64
244
153
43
0
64
33
64
64
47
47
153
33
12
0
0
39
47
544
Best forecast wave conditions in Chiba
Rating
(10 max)
1
1
3
3
2
2
1
2
2
3
2
2
1
Best forecast wave conditions in Japan
Rating
(10 max)
1
1
2
3
3
3
3
2
2
2
2
2
1
2
3
3
2
2
2
1
1
Header Global
Rating
(10 max)
5
4
5
9
5
5
5
5
4
4
4
5
6
5
9
9
9
5
6
4
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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Information about the Mera Surf forecast

The above surf forecast table for Mera provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Mera can be found by selecting the local surf guide option on the grey menu. Our Mera surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Mera) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Mera may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Mera is 9 km (6 miles) from Tateyama. If you plan a holiday in Chiba, look for hotels and other accommodation in Tateyama. Tateyama has rooms for a wide range of budgets as well as car hire and transport links.

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