Shida Surf Break

Lat Long: 35.33° N 140.40° E

Shida Surf Forecast and Surf Report

Issued: 8 am 19 Jul 2026 (local time)

Forecast update in  hr  min

Today's Shida sea temperature is
25.2° C
0.1° 

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


Shida surf forecast from 19 Jul 2026:

  • Best quality surf: Sunday 19 Jul, 6PM (local time) - 3ft (0.9m), 9s period, ESE swell with offshore winds.
  • Most powerful swell: Monday 20 Jul, 9PM (local time) - 4ft (1.2m), 11s period, E swell with 335 kJ wave energy.
  • Next surfable swell (1★+): Sunday 19 Jul, 3PM (local time) - 3.5ft (1.0m), 9s period with E 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 Sunday (Jul 19) at 3PM. The primary swell is predicted to be 1.0m and 9s period with a secondary swell of 0.3m and 8s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Shida in the next 16 days are 1.2m 11s and forecast to arrive on Monday (Jul 20) at 9PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 4s period and expected on Sunday (Jul 19) at 3PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 3PM (Sun 19th Jul)3.5ft (1.0m) 9s
Best Surf 6PM (Sun 19th Jul)3ft (0.9m) 9s
Most Powerful 9PM (Mon 20th Jul)4ft (1.2m) 11s

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


The Lowdown

Alright, let's switch it up.

The outlook starts on Sunday, July 19th, with a bit of a slow burn.

Look, Shida’s not firing off the bat, but there’s a decent run of clean, surfable waves coming through. The water's sitting right around 77°, which is pretty much bang on average for this time of year, so no surprises there.

Sunday morning the 19th kicks things off with a 4ft ESE swell, period around 9 seconds. The wind is light offshore from the south, so it’s clean. The combined energy is moderate, at 302. It’s not a world-beater, but it’s a solid little session. By Sunday afternoon, it drops back to 3ft, and the wind picks up a bit.

Monday the 20th is smaller again, only 3ft, and the wind swings more cross-offshore. Still rideable, but nothing to write home about.

Now, Tuesday the 21st is where it starts to get interesting. The swell bumps up to 4ft from the east, with a longer 10-second period. That’s a nicer wave, more energy per set. Winds are light offshore in the morning, so it’s clean. The energy is moderate at 277. This is a good day for a paddle.

Wednesday the 22nd is the real standout in the first week. Wednesday morning, the wind goes glassy, dead flat. Swell is 3ft from the east, 10-second period, and the energy is 205. That’s about as clean as it gets. If you want a smooth, easy morning, this is your window.

Thursday the 23rd gets a bit messy with cross-shore winds and smaller swell, only 3ft. The rest of the week into the weekend (24th-26th) is a write-off for quality. Swell drops to 1ft to 2ft, periods are all over the place, and the wind is not helping. There’s a real flat spell from Friday the 24th through Sunday the 26th.

Then, things get a bit more interesting in the second week. Monday the 27th sees a pulse of 3ft swell from the south, 12-second period, and the energy jumps to 525. But the wind is cross-shore, so it’s not perfect.

The absolute best of the whole forecast window is Tuesday the 28th. Tuesday afternoon you get a clean 4ft swell from the south, 13-second period, and light cross-offshore wind. The energy is solid at 552. This is the pick of the bunch – clean, good size, good period.

Wednesday the 29th is also excellent. Morning sees 4ft south swell, 14-second period, with cross-offshore wind. Energy is 779. The afternoon has offshore wind at 16 mph, keeping it clean. This is another top-tier day.

Now, a heads up: Thursday the 30th and Friday the 31st see the swell size vary, but the period drops to a short 7 seconds, which makes the waves a bit more crumbly and less powerful. It’s still surfable, but not as good as the Tuesday and Wednesday.

The end of the run, Saturday August 1st and Sunday August 2nd, brings in a big southeast swell. On Sunday the 2nd, the swell hits 5ft to 6ft, with a very long 16-17 second period. The energy is huge, at 1366 and 2003. But the wind is cross-offshore, so it’s clean. This is a big groundswell – long period, so it’ll be better for a point break or reef setup than a straight beach break. It’s a proper expert-level day.

By Monday August 3rd, the swell goes massive – 10ft to 12ft, with a 18-second period. The energy is off the charts, at 6581 and 7299. That’s way too big for Shida, and only for the most experienced, heavy-water crew. For most, it’s a skip.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 30°C on Tue morning, min 25°C on Sun night). Wind will be generally light.

Days 4-6 Weather Summary

Moderate rain (total 11mm), heaviest on Thu night. Warm (max 30°C on Wed morning, min 24°C on Thu night). Wind will be generally light.

Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
1
1
1
1
2
2
2
2
2
1
1
0
1
0
0
0
0
0
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.2
ESE
9
1
E
9
0.9
E
9
0.9
E
9
0.9
E
8
1.2
E
11
1.1
E
10
1.1
E
10
1
E
10
1
E
10
0.9
E
10
0.9
E
10
0.8
E
10
0.8
E
9
0.7
E
9
0.6
E
9
0.5
SE
11
0.4
SE
16
0.4
SE
16
0.4
SE
16
0.4
SE
15
Wave Graph
Metric surfscale
Energy kJ
232
165
127
119
116
329
257
247
196
192
153
146
116
109
80
57
57
66
65
63
57
Wind (km/h)
15
S
20
S
15
SSW
10
SSW
20
SSW
15
SW
10
SSW
20
SSW
10
SW
5
SSW
15
SSW
5
WSW
5
ENE
5
SE
15
NNW
15
NE
15
E
15
NE
10
ENE
15
SSE
10
SSE
Wind State
off
off
cross-off
cross-off
off
cross-off
off
off
cross-off
glassy
off
cross-off
cross
cross-off
cross-on
cross-on
cross
cross-on
cross
cross-off
off
High Tide
7:54PM1.41m
7:46AM1.20m
8:19PM1.40m
8:53AM1.09m
8:46PM1.39m
10:25AM1.01m
9:16PM1.36m
12:53PM1.01m
9:55PM1.33m
3:31PM1.10m
10:50PM1.30m
3:52PM1.18m
00:02AM1.29m
Low Tide
1:17PM0.39m
2:06AM0.64m
1:46PM0.56m
3:00AM0.58m
2:13PM0.72m
4:00AM0.54m
2:39PM0.87m
5:08AM0.49m
3:04PM1.00m
6:19AM0.44m
4:23PM1.10m
7:24AM0.37m
7:04PM1.14m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
thunderstorm
clear
clear
thunderstorm
thunderstorm
part cloud
clear
part cloud
part cloud
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:35
4:37
4:37
4:39
4:39
4:39
4:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:52
6:51
6:50
6:50
6:49
6:49
6:47
 mm
1
2
8
Temp °C
27
27
26
29
29
27
30
30
27
30
29
28
29
29
26
27
27
25
27
27
26
Feels °C
29
28
29
32
31
30
33
32
30
34
33
33
33
34
31
30
30
28
30
30
30
  • 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 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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