Mera Surf Break

Mera Surf Forecast and Surf Report

Lat Long: 34.90° N 139.84° E

Issued: 2 pm 07 Jul 2026 (local time)

Forecast update in  hr  min

Today's Mera sea temperature is
24.3° 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.


Mera surf forecast from 7 Jul 2026:

  • Best quality surf: Wednesday 8 Jul, 12AM (local time) - 7ft (2.2m), 16s period, SE swell with cross-offshore winds.
  • Most powerful swell: Saturday 11 Jul, 6PM (local time) - 10ft (3.0m), 16s period, SSW swell with 4,938 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 8 Jul, 12AM (local time) - 7ft (2.2m), 16s period with SE 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 Wednesday (Jul 08) at 12AM. The primary swell is predicted to be 2.2m and 16s period with a secondary swell of 1.3m and 13s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Mera in the next 16 days are 3.0m 16s and forecast to arrive on Saturday (Jul 11) at 6PM. Winds are predicted to be onshore at the time the swell arrives.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+)12AM (Wed 8th Jul)7ft (2.2m) 16s
Best Surf12AM (Wed 8th Jul)7ft (2.2m) 16s
Most Powerful 6PM (Sat 11th Jul)10ft (3.0m) 16s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 25°C on Thu afternoon, min 22°C on Tue night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 25°C on Fri afternoon, min 24°C on Fri night). Wind will be generally light.

Tue
7
Wednesday
8
Thursday
9
Friday
10
Saturday
11
Sunday
12
Monday
13
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
3
5
4
4
4
3
2
2
2
2
2
2
0
0
2
0
0
1
3
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.7
SSE
14
2.2
SE
16
2.3
SSE
16
2
SSE
15
2.2
SSE
14
2
S
14
2
S
13
2.1
S
14
1.8
S
14
2.4
S
16
2.3
SSW
16
3
SSW
17
3
SSW
16
3
SSW
16
3
SW
16
2.5
SW
16
2.1
SW
15
1.6
SW
13
1.4
SW
13
1.1
SW
12
0.8
SE
14
Wave Graph
Metric surfscale
Energy kJ
1126
2344
2697
1785
1913
1576
1440
1818
1281
2935
2429
4760
4794
4915
4631
3710
1776
834
629
355
241
Wind (km/h)
20
E
15
ENE
10
ENE
10
ESE
5
SE
5
SSW
15
S
15
S
15
SSW
20
S
20
SSW
20
SSW
25
SSW
25
SW
20
SW
25
SSW
25
SSW
15
WSW
0
WSW
15
SW
20
SSW
Wind State
cross-off
cross-off
off
cross-off
glassy
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
cross-on
on
on
on
on
on
glassy
on
cross-on
High Tide
9:26PM1.34m
10:08AM1.11m
10:01PM1.34m
12:08PM1.09m
10:47PM1.35m
2:11PM1.17m
11:46PM1.37m
3:34PM1.28m
00:56AM1.41m
4:28PM1.38m
2:03AM1.47m
5:12PM1.44m
3:03AM1.53m
Low Tide
4:07AM0.59m
3:36PM0.74m
5:22AM0.49m
4:35PM0.92m
6:39AM0.35m
6:07PM1.06m
7:47AM0.20m
7:50PM1.12m
8:47AM0.06m
9:03PM1.11m
9:40AM-0.05m
9:58PM1.07m
10:28AM-0.11m
part cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
clear
part cloud
cloud
thunderstorm
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:33
4:33
4:33
4:35
4:35
4:35
4:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:57
6:57
6:57
6:55
6:55
6:55
6:54
6:54
 mm
4
Temp °C
24
23
24
24
23
24
25
24
24
25
24
25
25
24
25
25
25
25
27
25
26
Feels °C
23
23
25
25
25
27
26
26
26
26
25
26
25
24
26
26
26
28
31
28
28
Swell 1
Height (m)
Direction
Period (s)
1.7
SSE
14
2.2
SE
16
2.3
SSE
16
2
SSE
15
2.2
SSE
14
2
S
14
2
S
13
2.1
S
14
1.8
S
14
2.4
S
16
2.3
SSW
16
3
SSW
17
3
SSW
16
3
SSW
16
3
SW
16
2.5
SW
16
2.1
SW
15
1.6
SW
13
1.4
SW
13
1.1
SW
12
1
SW
11
Energy kJ
1126
2344
2697
1785
1913
1576
1440
1818
1281
2935
2429
4760
4794
4915
4631
3710
1776
834
629
355
233
Swell 2
Height (m)
Direction
Period (s)
1.3
SSE
13
1.1
E
8
0.9
ESE
8
0.9
ESE
8
0.9
E
8
0.8
E
8
0.8
E
8
1.4
SSW
17
0.7
E
10
1.6
SSW
18
0.6
E
9
0.6
E
9
0.5
E
9
0.5
E
9
0.6
E
9
0.6
E
9
0.5
E
9
0.5
E
9
0.6
E
8
0.8
SE
14
Energy kJ
563
157
107
107
98
80
86
1000
92
1609
61
63
41
42
57
56
39
39
51
241
Swell 3
Height (m)
Direction
Period (s)
1.2
E
7
0.8
S
18
0.8
S
16
0.9
E
8
0.8
E
8
0.7
E
8
0.7
E
10
0.8
ESE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
9
0.3
SE
9
0.4
E
10
Energy kJ
159
422
347
100
82
63
92
105
27
28
35
25
31
13
30
Wind waves
Height (m)
Direction
Period (s)
1
E
6
0.7
SW
4
0.6
SW
4
0.5
SW
3
0.4
SW
3
0.2
WSW
3
Energy kJ
86
15
12
6
3
1
Nearest Offshore or Glassy
Rating
(10 max)
3
5
4
4
4
4
4
3
4
4
4
4
4
4
5
4
2
4
3
1
2
Distance (km)
14
0
0
0
0
36
64
61
64
64
61
64
64
61
148
70
61
12
0
61
74
Best forecast wave conditions in Chiba
Rating
(10 max)
3
5
4
4
4
4
4
4
4
4
4
4
4
4
4
3
1
2
Best forecast wave conditions in Japan
Rating
(10 max)
4
5
4
5
4
4
5
5
5
8
9
9
9
5
5
4
4
4
4
3
2
Header Global
Rating
(10 max)
5
5
9
8
7
7
7
6
6
6
5
5
5
5
5
6
8
6
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)
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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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