Mera Surf Break
Lat Long: 34.90° N 139.84° E

Mera Surf Forecast and Surf Report

Weather Forecast for Mera

Issued: 2 am 09 Jun 2026 (local time)

Forecast update in  hr  min

Today's Mera sea temperature is
22.1° 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 8 Jun 2026:

  • Best quality surf: Tuesday 16 Jun, 9AM (local time) - 7ft (2.2m), 10s period, E swell with offshore winds.
  • Most powerful swell: Tuesday 16 Jun, 6AM (local time) - 7.5ft (2.3m), 9s period, E swell with 924 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 9 Jun, 12PM (local time) - 3.5ft (1.1m), 9s period with E 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 09) at 12PM. The primary swell is predicted to be 1.1m and 9s period with a secondary swell of 0.8m and 9s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Mera in the next 16 days are 2.3m 9s and forecast to arrive on Tuesday (Jun 16) at 6AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 6s period and expected on Wednesday (Jun 10) at 6PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+)12PM (Tue 9th Jun)3.5ft (1.1m) 9s
Best Surf 9AM (Tue 16th Jun)7ft (2.2m) 10s
Most Powerful 6AM (Tue 16th Jun)7.5ft (2.3m) 9s

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 22mm), heaviest during Tue morning. Warm (max 22°C on Thu afternoon, min 18°C on Wed night). Wind will be generally light.

Days 4-6 Weather Summary

Heavy rain (total 33mm), heaviest during Sun night. Warm (max 22°C on Sat morning, min 18°C on Sun night). Winds increasing (light winds from the SE on Fri night, strong winds from the N by Sun night).

Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
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
1
1
2
1
1
0
0
0
0
1
0
0
2
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.1
E
9
0.7
SW
8
1.1
SSW
9
1.1
SW
8
0.9
SW
8
0.7
SW
8
0.9
SSW
9
1
SW
9
0.9
SW
9
0.8
SW
9
0.9
E
7
0.7
SW
9
0.7
E
7
0.7
E
8
0.9
E
8
0.9
E
8
0.9
E
8
1.2
ESE
8
1.5
ESE
6
2
ESE
7
2.3
ESE
9
Wave Graph
Metric surfscale
Energy kJ
194
68
181
171
112
69
141
166
138
95
88
77
57
55
103
112
109
202
181
392
808
Wind (km/h)
25
N
20
ENE
10
SSW
15
W
20
NE
20
NNE
15
NE
15
SE
10
SE
10
SSE
15
S
15
S
10
SSE
15
SE
15
ESE
20
E
25
E
15
ENE
45
NNE
40
N
40
N
Wind State
cross-off
cross-off
cross-on
cross-on
off
off
off
cross-off
cross
cross
cross-on
cross-on
cross
cross
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
High Tide
10:27AM1.05m
11:26PM1.23m
12:21PM1.07m
00:09AM1.27m
1:57PM1.15m
00:53AM1.33m
3:12PM1.26m
1:38AM1.39m
4:13PM1.36m
2:24AM1.45m
5:06PM1.42m
3:10AM1.50m
5:55PM1.45m
Low Tide
4:40PM0.57m
6:13AM0.56m
5:50PM0.71m
7:15AM0.38m
7:03PM0.83m
8:09AM0.20m
8:11PM0.91m
8:58AM0.03m
9:10PM0.96m
9:46AM-0.10m
10:01PM0.98m
10:33AM-0.18m
10:48PM0.99m
mod rain
light rain
light rain
light rain
light rain
light rain
part cloud
part cloud
rain showers
rain showers
clear
thunderstorm
thunderstorm
clear
part cloud
part cloud
cloud
heavy rain
mod rain
light rain
rain showers
<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>
6:52
6:52
6:52
6:53
6:53
6:54
6:54
 mm
7
3
4
3
3
1
1
2
2
2
27
7
5
2
Temp °C
20
19
20
20
19
19
21
22
21
21
21
21
22
22
21
21
21
20
19
20
18
Feels °C
18
17
19
22
18
17
21
21
21
21
20
21
22
22
21
19
18
18
13
17
11
Swell 1
Height (m)
Direction
Period (s)
1.1
E
9
1.2
ENE
9
1.1
SSW
9
1.1
SW
8
0.9
SW
8
0.7
SW
8
0.9
SSW
9
1
SW
9
1
E
7
0.8
SW
9
0.9
E
7
0.8
E
7
0.7
E
7
0.7
E
8
0.9
E
8
0.9
E
8
0.9
E
8
0.2
SSW
7
0.1
SW
7
0.1
SE
14
2.3
ESE
9
Energy kJ
194
238
181
171
112
69
141
166
103
95
88
67
47
55
103
112
109
5
2
7
808
Swell 2
Height (m)
Direction
Period (s)
0.7
SW
5
0.7
SW
8
1
E
8
0.7
ENE
8
0.4
SSE
6
0.5
S
7
0.9
ENE
7
0.6
SSE
7
0.9
SW
9
0.7
SSE
7
0.6
SW
9
0.7
SW
9
0.6
SW
8
0.5
SW
8
0.4
SSE
7
0.4
SW
8
0.3
SW
7
0.2
ESE
15
0.1
SE
14
0.1
SW
7
0.1
S
22
Energy kJ
22
68
144
72
13
23
73
41
138
48
62
77
57
33
15
15
9
21
8
2
9
Swell 3
Height (m)
Direction
Period (s)
0.7
SW
9
0.5
S
6
0.1
SE
9
0.1
SE
9
0.1
SE
9
0.1
E
15
0.5
SSE
7
0.1
E
15
0.7
SSE
7
0.1
E
13
0.6
SSE
7
0.5
SSE
7
0.4
SSE
6
0.4
SSE
6
0.4
SW
8
0.1
E
15
0.2
ESE
15
0.1
E
12
0.1
S
24
0.1
SE
22
Energy kJ
78
20
3
3
3
4
28
4
49
3
37
26
14
13
23
4
21
3
11
18
Wind waves
Height (m)
Direction
Period (s)
0.6
WSW
4
0.8
NE
5
0.5
WSW
3
1
ENE
8
1.2
ENE
6
0.9
E
6
0.9
E
7
0.5
SSE
6
0.7
SSE
5
1.2
ESE
8
1.5
ESE
6
2
ESE
7
1.4
ENE
8
Energy kJ
16
31
6
136
117
68
86
22
20
202
181
392
277
Nearest Offshore or Glassy
Rating
(10 max)
2
1
2
2
1
1
1
2
1
2
1
1
1
1
1
1
1
2
2
1
1
Distance (km)
56
47
12
12
0
0
0
0
47
36
64
64
64
64
0
563
811
0
244
148
63
Best forecast wave conditions in Chiba
Rating
(10 max)
2
2
2
1
1
2
2
2
1
1
1
1
1
1
2
Best forecast wave conditions in Japan
Rating
(10 max)
2
1
2
2
1
2
2
2
2
2
1
1
1
1
1
1
1
2
3
3
4
Header Global
Rating
(10 max)
6
9
6
5
5
9
9
6
6
5
5
7
8
6
5
4
9
5
4
4
4
  • 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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