Shida Surf Break

Lat Long: 35.33° N 140.40° E

Shida Surf Forecast and Surf Report

Issued: 2 pm 07 Aug 2026 (local time)

Forecast update in  hr  min

Today's Shida sea temperature is
24.4° C
2.1° 

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


Shida surf forecast from 7 Aug 2026:

  • Best quality surf: Saturday 8 Aug, 6PM (local time) - 5ft (1.5m), 13s period, ESE swell with cross-offshore winds.
  • Most powerful swell: Friday 14 Aug, 3PM (local time) - 8ft (2.5m), 12s period, E swell with 1,946 kJ wave energy.
  • Next surfable swell (1★+): Friday 7 Aug, 9PM (local time) - 4.5ft (1.4m), 11s 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 Friday (Aug 07) at 9PM. The primary swell is predicted to be 1.4m and 11s period with a secondary swell of 1.4m and 9s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Shida in the next 16 days are 2.5m 12s and forecast to arrive on Friday (Aug 14) at 3PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 6s period and expected on Wednesday (Aug 12) at 3PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Fri 7th Aug)4.5ft (1.4m) 11s
Best Surf 6PM (Sat 8th Aug)5ft (1.5m) 13s
Most Powerful 3PM (Fri 14th Aug)8ft (2.5m) 12s

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


The Lowdown

Alright folks, Rusty here. Let’s get into what’s cooking for Shida over the next couple of weeks.

We’ve got a bit of a mixed bag coming our way. The pattern kicks off with some decent energy, but it’s not all smooth sailing. There’s a lot of wind to deal with in the middle of the run, so you’ll need to pick your moments. The swell energy is strong, clocking in at a hefty 1029 (combined energy of all swells directed here) on Friday the 7th, but it’s a serious swell – 5ft at 12 seconds from the south – and that’s going to be a handful for anyone but experienced surfers. The water is much colder than normal for this time of year, sitting at 76°, a full 4° below average, so you’ll want a thicker wetsuit.

The standout window is that Friday afternoon, August 7th. The wind is offshore from the SSE, and the waves are clean with that solid south swell. This is the best on offer: a proper, powerful groundswell with good shape. It’s a bit of a heavyweight, so only for those who know what they’re doing. Crowds are often a thing here, so expect some company.

Saturday morning, August 8th, is still looking good. The swell drops to 4ft from the south, period 11 seconds, with a light cross-offshore breeze. It’s clean, less intense, and a much better option for intermediate surfers. The energy is still moderate (622 combined energy of all swells directed here). Saturday afternoon gets a little trickier with a shift in direction and a drop in quality.

Then we hit a rough patch. From Sunday, August 9th, through to Sunday, August 16th, the wind is a problem. It’s mostly onshore or cross-shore, often fresh and lumpy, making the surf messy. There’s plenty of swell, but it’s not worth paddling out for. The week of the 10th to the 16th is a write-off. On Wednesday the 12th, we see a brief moment of glassy conditions in the afternoon with a small 3ft wave, but the period is a short 10 seconds and the energy is low (284 combined energy of all swells directed here). Not a standout.

Things start to turn around again on Monday, August 17th. The morning is clean with a light offshore from the south, and a 5ft swell from the east at 10 seconds. It’s not huge, but it’s clean. The afternoon gets better with a 5ft swell from the ENE, a moderate offshore, and a very good surf forecast. The energy is solid (864 combined energy of all swells directed here). This is your second chance at a good session.

The rest of the run into the second week is small but clean. Tuesday the 18th through Saturday the 22nd sees waves between 3ft and 4ft, mostly from the east or south, with light winds and clean conditions. It’s not going to blow your socks off, but it’s perfect for a longboard or a fun fish. The energy is below 400 (combined energy of all swells directed here), so it’s weak, but good for a cruise.

Overall, the best bet is Friday the 7th for the experienced crew, and Monday the 17th for a solid, clean session. The rest is either windy or small.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 28°C on Fri afternoon, min 24°C on Sat night). Winds increasing (calm on Sat night, fresh winds from the NE by Mon morning).

Days 5-7 Weather Summary

Heavy rain (total 33mm), heaviest during Tue afternoon. Warm (max 27°C on Wed afternoon, min 23°C on Mon night). Winds decreasing (fresh winds from the NE on Mon afternoon, calm by Wed afternoon).

Fri
7
Saturday
8
Sunday
9
Monday
10
Tuesday
11
Wednesday
12
Thursday
13
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
4
3
3
2
4
3
3
0
0
0
0
3
3
2
1
2
2
0
0
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
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
1.8
E
12
2.2
E
12
2
E
11
1.7
E
12
1.8
E
12
1.9
ESE
10
2
ESE
6
1
E
10
1.5
E
10
1.5
E
10
1.5
E
10
2.3
E
10
Wave Graph
Metric surfscale
Energy kJ
702
457
350
624
1053
998
938
692
940
1323
953
833
879
698
309
181
443
468
450
1098
Wind (km/h)
20
SSE
10
S
10
SSE
15
SE
5
SSW
10
ENE
15
E
20
NNE
30
NNE
30
NE
25
N
25
WSW
25
SSW
20
SE
15
SE
5
SSE
10
E
20
NE
25
NE
10
NNE
Wind State
off
off
cross-off
cross-off
glassy
cross-on
cross
on
cross-on
cross-on
on
cross-off
cross-off
cross-off
cross-off
glassy
cross
cross-on
cross-on
cross-on
High Tide
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
3:31AM1.51m
5:26PM1.45m
Low Tide
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
10:34AM0.04m
10:48PM0.78m
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
thunderstorm
mod rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:50
4:52
4:52
4:54
4:54
4:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:37
6:36
6:35
6:34
6:31
6:30
6:30
 mm
5
6
11
4
3
4
1
5
Temp °C
28
26
28
27
25
27
27
24
26
26
24
26
25
25
26
27
25
27
27
26
Feels °C
30
29
30
28
28
28
28
25
23
23
23
26
23
24
27
30
28
27
28
29
  • Map Icons:
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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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