Shida Surf Break

Lat Long: 35.33° N 140.40° E

Shida Surf Forecast and Surf Report

Issued: 2 pm 06 Aug 2026 (local time)

Forecast update in  hr  min

Today's Shida sea temperature is
24.1° C
2.4° 

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


Shida surf forecast from 6 Aug 2026:

  • Best quality surf: Thursday 6 Aug, 9PM (local time) - 7ft (2.2m), 13s period, S swell with cross-offshore winds.
  • Most powerful swell: Tuesday 11 Aug, 6AM (local time) - 10ft (3.0m), 10s period, NE swell with 2,000 kJ wave energy.
  • Next surfable swell (1★+): Thursday 6 Aug, 9PM (local time) - 7ft (2.2m), 13s period with S swell.

Best Forecast Surf Conditions for Shida this week:

The surf forecast for Shida over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Aug 06) at 9PM. The primary swell is predicted to be 2.2m and 13s period with a secondary swell of 1.3m and 10s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Shida in the next 16 days are 3.0m 10s and forecast to arrive on Tuesday (Aug 11) at 6AM. Winds are predicted to be onshore at the time the swell arrives.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Thu 6th Aug)7ft (2.2m) 13s
Best Surf 9PM (Thu 6th Aug)7ft (2.2m) 13s
Most Powerful 6AM (Tue 11th Aug)10ft (3.0m) 10s

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


The Lowdown

Right then, let’s have a look at what’s coming up for Shida. The forecast is a bit of a mixed bag, but there’s some real quality to be had if you time it right.

The pattern starts off with some solid, clean swell, but it’s not for the faint-hearted. The first one to get your eye on is Thursday afternoon, the 6th of August. We’ve got a 7ft swell straight out of the SSE, with a long 12-second period pushing a heap of energy in (1730). The water’s a chilly 75°F, which is a full 4°F colder than usual for this time of year, so you’ll be wanting a decent steamer. The wind is a gentle cross-offshore breeze, keeping things clean. This is proper experienced surfer territory at that size. It’s an inconsistent break, so you’ll be waiting for the sets, but when they come, they’ll be worth it. Crowds can show up, so keep that in mind.

Friday morning, the 7th, drops a touch to 6ft from the S, still with that lovely 12-second period. The energy is through the roof (1268), and the wind holds cross-offshore. Excellent conditions again for the experienced crew. That afternoon, the wind goes properly offshore, and the swell holds at 5ft (1029 energy). Clean, offshore, and punchy – that’s a beautiful window.

Saturday the 8th sees the swell back off a bit to 4ft in the morning, rising to 4ft in the afternoon from the ESE with a 13-second period. The energy is still moderate (616 and 955), and the wind is light and cross-offshore. The conditions are clean, making for a very good day, though it’s on the smaller side.

Sunday the 9th is a bit of a let-down. The swell is still 6ft from the ESE, but the wind swings cross-shore and picks up, putting a chop on the surface. The forecast is marginal for the morning and poor by the afternoon.

Then it all goes a bit ugly. From Monday the 10th right through to Saturday the 15th, the wind is a mess – strong, cross-onshore, onshore, and lumpy. The swell is all over the place, from 6ft up to 8ft, but the conditions are just poor. The combined energy hits a massive 2415 on Monday afternoon, but with that wind, it’s a washing machine. This stretch is a write-off for paddling, and honestly, that heavy, wind-affected swell at a beach setup might be more interesting for the kite surfers than anyone else.

We get a glimmer of hope on Friday the 14th. The morning shows a clean 7ft from the E with a 12-second period and a cross-offshore breeze (1274 energy). That’s excellent for experienced surfers again, but it’s a brief window before the wind swings messy in the afternoon.

The following week, from the 17th of August onwards, the swell drops and the winds become much lighter. The energy is lower (down to 357 and 323), but the conditions are clean. The 19th of August is a standout for the lighter crowd. Wednesday morning has a 5ft swell from the ESE with a light offshore wind (553 energy), and the afternoon holds 6ft with a gentle offshore breeze (627 energy). The period is short at 8 seconds, so it’s a windswell, but it’ll be clean and fun. The 20th and 21st keep that same vibe: 6ft from the ESE, light offshore winds, and clean conditions. For the second week, that’s your best bet – smaller, cleaner, and more manageable for intermediates.

Overall, the first week has some excellent, powerful windows for the experienced surfer, but the middle of the period is a complete no-go. The last few days settle into a clean, smaller pattern that’s more inviting for everyone.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 28°C on Thu afternoon, min 24°C on Sat night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 26°C on Sun afternoon, min 23°C on Sun night). Winds decreasing (fresh winds from the NNE on Tue morning, light winds from the N by Tue night).

Thu
6
Friday
7
Saturday
8
Sunday
9
Monday
10
Tuesday
11
Wednesday
12
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
4
4
4
4
3
3
3
4
3
2
1
0
0
0
0
0
0
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)
2.2
SSE
12
2.2
S
13
1.8
S
12
1.6
S
12
1.4
S
11
1.2
S
11
1.3
ESE
13
1.7
ESE
14
1.7
ESE
13
1.7
ESE
13
1.6
ESE
12
1.9
E
12
2.4
ENE
11
2.3
ENE
10
2.5
ENE
10
2.5
ENE
10
2.5
ENE
10
2.1
ENE
9
2
ENE
9
2.5
ENE
11
Wave Graph
Metric surfscale
Energy kJ
1405
1684
957
702
457
344
624
1038
998
917
794
997
1363
1124
1306
1339
1205
708
627
1421
Wind (km/h)
15
ESE
10
SE
15
SSE
20
SSE
10
S
10
SE
15
SSE
5
S
10
ENE
20
ENE
20
NNE
30
NNE
35
NE
35
NNE
35
NNE
35
NNE
25
NNE
20
NNE
25
ENE
20
N
Wind State
cross-off
cross-off
cross-off
off
off
cross-off
cross-off
glassy
cross
cross
on
cross-on
cross-on
on
on
cross-on
on
cross-on
cross-on
on
High Tide
8:36PM1.41m
12:32PM1.05m
9:18PM1.39m
10:24PM1.37m
3:49PM1.28m
11:59PM1.37m
4:13PM1.35m
1:26AM1.41m
4:39PM1.40m
2:34AM1.47m
5:03PM1.43m
Low Tide
4:28AM0.39m
2:33PM1.04m
5:54AM0.32m
7:14AM0.22m
7:20PM1.20m
8:18AM0.12m
8:39PM1.13m
9:10AM0.04m
9:28PM1.03m
9:55AM0.01m
10:09PM0.91m
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
mod rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:50
4:50
4:52
4:52
4:54
4:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:37
6:37
6:36
6:35
6:34
6:31
6:30
 mm
7
Temp °C
28
26
28
28
26
28
27
25
27
26
24
26
26
24
26
26
24
26
26
24
Feels °C
31
30
30
30
29
30
28
28
28
26
25
22
23
21
22
23
22
25
25
25
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  • 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 Shida Surf forecast

The above surf forecast table for Shida provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Shida can be found by selecting the local surf guide option on the grey menu. Our Shida 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 (Shida) 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 Shida 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.

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

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