Mera Surf Break

Mera Surf Forecast and Surf Report

Lat Long: 34.90° N 139.84° E

Issued: 2 pm 23 Jun 2026 (local time)

Forecast update in  hr  min

Today's Mera sea temperature is
23.5° 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 23 Jun 2026:

  • Best quality surf: Sunday 28 Jun, 3AM (local time) - 23ft (7.0m), 14s period, SW swell with cross-shore winds.
  • Most powerful swell: Sunday 28 Jun, 3AM (local time) - 23ft (7.0m), 14s period, SW swell with 17,237 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 24 Jun, 9PM (local time) - 2ft (0.6m), 11s 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 (Jun 24) at 9PM. The primary swell is predicted to be 0.6m and 11s period. 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 7.0m 14s and forecast to arrive on Sunday (Jun 28) at 3AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 10s period and expected on Tuesday (Jun 23) at 9PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Wed 24th Jun)2ft (0.6m) 11s
Best Surf 3AM (Sun 28th Jun)23ft (7.0m) 14s
Most Powerful 3AM (Sun 28th Jun)23ft (7.0m) 14s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 27mm), heaviest during Thu afternoon. Warm (max 24°C on Fri morning, min 19°C on Tue night). Mainly fresh winds.

Days 5-7 Weather Summary

Heavy rain (total 149mm), heaviest during Sat night. Warm (max 24°C on Fri afternoon, min 22°C on Fri night). Winds decreasing (strong winds from the SW on Fri afternoon, light winds from the WNW by Sun night).

Tue
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
0
0
0
0
1
2
0
3
1
0
3
0
1
3
3
2
2
2
0
1
1
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)
0.5
SE
11
0.5
SE
11
0.5
SE
11
0.5
SE
11
0.6
SE
11
0.6
SW
15
0.9
SW
14
0.8
SW
14
1.3
SW
14
2.4
SW
15
1.6
SW
14
1.3
SW
14
1.2
SW
13
5.5
SSW
10
3
SW
13
2
SW
11
1.3
SW
10
1.1
SW
9
0.9
SW
9
0.6
SE
10
0.6
SE
9
Wave Graph
Metric surfscale
Energy kJ
59
55
55
56
72
143
304
293
746
2620
984
647
488
5561
2789
935
348
192
132
71
70
Wind (km/h)
15
NE
15
NE
15
NNE
10
E
5
ENE
10
NE
25
ENE
10
N
20
S
40
SW
10
SSW
20
SW
10
SW
40
NNW
10
SW
15
SW
5
WNW
15
NE
30
E
20
ENE
15
ENE
Wind State
off
off
off
cross-off
glassy
off
cross-off
cross-off
cross-on
on
cross-on
on
on
cross-off
on
on
cross-on
off
cross-off
off
cross-off
High Tide
10:59PM1.28m
1:21PM1.04m
11:41PM1.29m
2:46PM1.12m
00:28AM1.32m
3:44PM1.20m
1:19AM1.34m
4:27PM1.26m
2:08AM1.37m
5:03PM1.31m
2:53AM1.39m
5:36PM1.35m
3:34AM1.41m
Low Tide
4:35PM0.76m
6:29AM0.50m
5:36PM0.89m
7:28AM0.39m
6:51PM0.98m
8:17AM0.29m
8:01PM1.01m
9:00AM0.20m
8:58PM1.01m
9:40AM0.14m
9:46PM0.98m
10:17AM0.09m
10:26PM0.95m
10:52AM0.05m
cloud
light rain
part cloud
part cloud
cloud
light rain
heavy rain
light rain
rain showers
mod rain
rain showers
mod rain
heavy rain
rain showers
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:26
4:28
4:28
4:28
4:28
4:28
4:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:57
6:57
6:58
6:58
6:58
6:58
6:58
6:58
 mm
1
5
18
1
2
8
20
9
59
53
Temp °C
22
20
22
22
22
21
20
21
24
24
23
22
22
23
24
24
23
24
23
22
23
Feels °C
22
19
23
23
23
23
19
22
25
23
25
22
24
24
26
25
25
23
20
21
23
Swell 1
Height (m)
Direction
Period (s)
1.1
ENE
10
1.3
ENE
10
1.1
ENE
10
1
ENE
9
0.8
ENE
9
0.6
ENE
8
0.9
SW
14
1.5
S
7
1.3
SW
14
0.4
SE
11
1.6
SW
14
1.3
SW
14
1.5
S
8
0.5
E
9
3
SW
13
2
SW
11
1.3
SW
10
1.1
SW
9
0.9
SW
9
0.7
SW
8
0.6
SW
8
Energy kJ
231
301
235
181
101
53
304
206
746
42
984
647
309
41
2789
935
348
192
132
71
53
Swell 2
Height (m)
Direction
Period (s)
0.5
SE
11
0.5
SE
11
0.5
SE
11
0.5
SE
11
0.6
SE
11
0.6
SSW
13
0.5
SE
10
0.8
SW
14
0.4
SE
11
0.2
ENE
10
0.5
SE
10
1.2
SSE
9
1.2
SW
13
0.2
ESE
16
1.6
SSE
9
1.3
SSE
8
1
SSE
8
0.6
SSE
7
0.5
SE
9
0.6
SE
10
0.6
SE
9
Energy kJ
59
55
55
56
72
108
49
293
43
10
54
227
488
25
422
206
110
34
41
58
70
Swell 3
Height (m)
Direction
Period (s)
0.4
SW
6
0.3
SW
6
0.1
SW
6
0.2
S
12
0.3
SW
14
0.6
SW
15
0.4
SSW
10
0.7
SW
12
0.2
ENE
10
0.2
ESE
18
0.1
NE
10
0.5
E
9
0.9
SW
9
0.3
E
9
0.3
ESE
15
0.3
ESE
15
0.4
SE
9
0.4
SSE
6
0.3
SSE
6
0.3
ESE
14
Energy kJ
14
6
1
10
33
143
31
144
10
31
4
43
125
13
44
42
31
13
8
36
Wind waves
Height (m)
Direction
Period (s)
0.6
E
8
1.7
SSW
6
2.4
SW
15
0.7
SSE
6
0.9
SW
4
5.5
SSW
10
0.7
ENE
3
0.9
ENE
4
0.9
E
5
0.8
ESE
5
Energy kJ
42
227
2620
40
27
5561
10
34
40
37
Nearest Offshore or Glassy
Rating
(10 max)
3
1
1
1
1
2
1
3
1
3
2
3
3
2
5
4
2
2
1
1
1
Distance (km)
204
33
12
36
0
0
14
0
61
244
64
36
36
63
36
36
12
0
204
0
0
Best forecast wave conditions in Chiba
Rating
(10 max)
2
2
2
2
1
4
2
2
2
3
3
2
2
1
1
Best forecast wave conditions in Japan
Rating
(10 max)
3
3
3
2
3
2
1
4
5
4
4
4
3
4
5
4
3
2
1
1
1
Header Global
Rating
(10 max)
5
4
8
8
8
5
5
5
5
6
5
5
5
5
9
7
8
9
7
5
6
  • 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
How to use the Wavefinder 
submit an eyeball surf report

Quick surf report for Mera:

join our community of surf reporters

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Mera surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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.

Nearest locationNearest