Surf Break

Lat Long: 34.90° N 139.84° E

Mera Surf Forecast and Surf Report

Issued: 8 pm 26 Oct 2026 (local time)

Forecast update in  hr  min

Today's Mera sea temperature is
24.4°C
1.6° 

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


Mera surf forecast from 26 Oct 2026:

  • Best quality surf: Saturday 31 Oct, 6PM (local time) - 6ft (1.8m), 16s period, SE swell with glassy winds.
  • Most powerful swell: Sunday 1 Nov, 9AM (local time) - 7ft (2.1m), 15s period, SE swell with 1,810 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 27 Oct, 12PM (local time) - 3.5ft (1.1m), 8s period with SSW 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 (Oct 27) at 12PM. The primary swell is predicted to be 1.1m and 8s period with a secondary swell of 0.8m and 7s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Mera in the next 16 days are 2.1m 15s and forecast to arrive on Sunday (Nov 01) at 9AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 6s period and expected on Thursday (Oct 29) at 6AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+)12PM (Tue 27th Oct)3.5ft (1.1m) 8s
Best Surf 6PM (Sat 31st Oct)6ft (1.8m) 16s
Most Powerful 9AM (Sun 1st Nov)7ft (2.1m) 15s

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


Short Range Forecast

Heavy rain (total 25mm), heaviest during Mon night. Warm (max 20°C on Mon night, min 14°C on Wed night). Winds decreasing (near gales from the NNE on Tue night, calm by Thu morning).

Days 5-7 Weather Summary

Heavy rain (total 58mm), heaviest during Fri afternoon. Warm (max 22°C on Fri night, min 15°C on Sat night). Mainly strong winds.

Tuesday
27
Wednesday
28
Thursday
29
Friday
30
Saturday
31
Sunday
1
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
2
2
0
1
0
1
1
0
0
0
1
0
3
2
4
3
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1
SW
11
1
SSW
8
1
E
8
1.7
SSW
8
1.1
SW
9
0.7
WSW
8
0.4
ESE
11
0.4
SE
14
0.5
SE
13
2
SE
8
2.3
SE
8
2.1
SE
8
2
SE
8
1.1
SE
16
1.6
SE
15
1.6
SE
14
2.1
SE
15
2
SSE
14
2.2
SE
13
Wave Graph
Metric surfscale
Energy kJ
224
120
136
374
170
59
45
54
87
482
686
494
477
553
1140
992
1810
1411
1551
Wind (km/h)
40
N
20
N
10
NNE
15
NE
40
N
15
NE
15
ENE
5
ESE
10
NNW
25
SSW
15
SW
35
SSW
10
WSW
40
WSW
10
NW
30
NNE
20
NE
20
E
15
NW
Wind State
cross-off
cross-off
off
off
cross-off
off
off
glassy
cross-off
on
on
cross-on
cross-on
cross-on
cross
cross-off
off
cross-off
cross
High Tide
5:16AM1.55m
4:21PM1.59m
6:03AM1.52m
4:48PM1.60m
6:54AM1.46m
5:16PM1.58m
7:51AM1.37m
5:48PM1.53m
9:00AM1.28m
6:22PM1.44m
10:33AM1.22m
7:06PM1.32m
Low Tide
10:36PM0.07m
10:48AM0.77m
11:14PM-0.01m
11:22AM0.86m
11:54PM-0.03m
11:55AM0.96m
00:38AM0.01m
12:30PM1.03m
1:27AM0.09m
1:10PM1.09m
2:26AM0.21m
2:10PM1.13m
heavy rain
light rain
cloud
light rain
part cloud
part cloud
light rain
rain showers
part cloud
rain showers
heavy rain
heavy rain
rain showers
clear
clear
clear
cloud
light rain
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
5:54
—
—
5:56
—
—
5:56
—
—
5:58
—
—
5:58
—
—
6:00
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
4:52
—
—
4:51
—
—
4:50
—
—
4:49
—
—
4:47
—
—
4:46
—
 mm
13
3
—
3
—
—
4
2
—
11
15
29
2
—
—
—
—
1
2
Temp °C
20
18
20
20
17
18
17
17
17
20
20
20
22
20
21
20
16
18
20
Feels °C
18
17
21
20
11
14
12
17
17
17
19
16
16
13
19
19
13
16
14
  • 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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