Shida Surf Break

Lat Long: 35.33° N 140.40° E

Shida Surf Forecast and Surf Report

Issued: 8 pm 15 Jul 2026 (local time)

Forecast update in  hr  min

Today's Shida sea temperature is
24.8° C
0.3° 

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


Shida surf forecast from 15 Jul 2026:

  • Best quality surf: Monday 20 Jul, 9PM (local time) - 5ft (1.5m), 12s period, E swell with cross-offshore winds.
  • Most powerful swell: Tuesday 21 Jul, 12AM (local time) - 5ft (1.6m), 12s period, E swell with 714 kJ wave energy.
  • Next surfable swell (1★+): Thursday 16 Jul, 3AM (local time) - 2.5ft (0.8m), 9s period with ESE 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 (Jul 16) at 3AM. The primary swell is predicted to be 0.8m and 9s period with a secondary swell of 0.1m and 11s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Shida in the next 16 days are 1.6m 12s and forecast to arrive on Tuesday (Jul 21) at 12AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 5s period and expected on Thursday (Jul 16) at 3AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 3AM (Thu 16th Jul)2.5ft (0.8m) 9s
Best Surf 9PM (Mon 20th Jul)5ft (1.5m) 12s
Most Powerful12AM (Tue 21st Jul)5ft (1.6m) 12s

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


The Lowdown

Alright, Rusty here. Let’s get into what’s happening at Shida. It’s a bit of a slow start, but there’s some promise down the line.

The week kicks off Thursday, July 16th, with small, weak surf. We’re looking at 3ft of swell from the ESE with a short period of just 8 seconds, combined energy is weak at (107). A southerly offshore is blowing at 9 mph, so it’ll be clean, but honestly, these are just ordinary waves. Nothing to get excited about.

Friday, July 17th, is a write-off. The swell doesn’t shift much, still around 3ft, but the wind goes cross-offshore and the surf quality drops to poor. Saturday, July 18th, starts slow but has a turnaround. The morning is still ordinary with 4ft swell, but by the afternoon, the wind turns offshore from the SSE at 12 mph, the swell picks up just a touch to 3ft, and the energy bumps to (273). The comment says “expect good surf conditions,” and that’s the first real sign of life.

From Sunday, July 19th, through Tuesday, July 21st, things build nicely. Sunday morning has 4ft swell from the ESE, 9-second period, with a light cross-off wind and clean waves. By Monday, July 20th, we see 4–4ft from the E, with clean conditions and offshore winds, moderate wave energy in the (258–366) range. Then Tuesday, July 21st, is a standout. The swell hits 5ft from the East with a longer 12-second period, giving us moderate energy (620) and clean, gentle offshore winds from the SSW. This is the best day of the first week – solid, clean, and rideable.

Wednesday, July 22nd, takes a hit. A risk of thunderstorms and onshore winds from the NE at 16 mph chop things up. Poor conditions, so skip that.

The surf cleans up again from Thursday, July 23rd, into the weekend. Thursday afternoon brings cross-offshore winds and 4ft swell, and by Friday, July 24th, we’re back to offshore winds and clean 3–4ft swell from the E. Saturday, July 25th, keeps that trend going with 3ft swell and offshore winds. Solid little run of clean, small waves.

Now, looking into the second week, starting Sunday, July 26th, the swell drops to 2–2ft and the wind turns cross-off, so it’s poor again. Monday, July 27th, sees the swell come back up to 4–5ft from the SSE with a longer 12-second period, but the energy is moderate to strong (471–585). The catch is the wind is a strong cross-off at 19 mph, and the forecast calls it “marginal” – could be tricky.

Tuesday, July 28th, brings a bigger swell – 5–6ft from the South with a 13–14 second period. That’s strong energy (1004–1340), but the wind is still cross-off and strong. It’s going to be big, powerful, and possibly unruly. That’s more for experienced surfers.

The best bet in the second week is Wednesday, July 29th. Swell drops to 4–4ft from the South with a solid 13-second period, and the wind turns offshore from the SSW at 16 mph. The energy is strong (827) and it’s clean. The morning looks excellent, with very good surf conditions. That’s your second standout.

Thursday, July 30th, stays clean with 4ft from the ENE, short 8-second period, but strong offshore winds and moderate energy (585–597). Good, fun waves.

Overall, the standout day is Tuesday, July 21st – clean, 5ft East swell with a nice 12-second period, gentle offshore wind. The other top pick is Wednesday, July 29th – clean, offshore winds, 4ft South swell with a long 13-second groundswell. That’s one for the reef and point crew.

Now, about the water temp – it’s about average for this time of year, nothing wild there.

Crowds at Shida are listed as “often,” so on those good days, expect plenty of company out there.

Rusty.

Short Range Forecast

Light rain (total 3mm), mostly falling on Thu night. Warm (max 28°C on Thu morning, min 25°C on Fri night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 29°C on Tue morning, min 24°C on Sat night). Wind will be generally light.

Thursday
16
Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wed
22
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Rating
(10 max)
0
1
1
1
0
0
1
1
2
2
2
2
2
2
2
3
3
3
2
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
E
9
0.8
ESE
8
0.8
ESE
9
0.9
ESE
8
0.9
E
8
0.8
E
8
0.9
ESE
8
1.1
ESE
9
1
ESE
9
1.1
ESE
9
1.3
ESE
9
1.2
ESE
9
1.1
E
9
1.2
E
9
1.3
E
10
1.6
E
12
1.5
E
12
1.5
E
11
1.4
E
11
1.3
E
11
1.2
E
11
Wave Graph
Metric surfscale
Energy kJ
99
96
99
118
116
90
115
176
169
206
266
248
189
241
314
714
586
566
457
379
317
Wind (km/h)
25
SSW
15
S
20
S
20
SSE
15
SSE
15
SE
10
SSE
15
SE
20
SSE
10
SSE
5
SSE
10
SSE
5
SSW
10
SSW
20
S
15
SW
15
SSW
20
SSW
10
SW
25
NE
20
ENE
Wind State
off
off
off
off
cross-off
cross-off
cross-off
cross-off
off
off
cross-off
off
cross-off
off
off
cross-off
off
off
cross-off
cross-on
cross-on
High Tide
4:15AM1.54m
6:35PM1.43m
5:07AM1.50m
7:03PM1.43m
5:58AM1.43m
7:29PM1.42m
6:50AM1.32m
7:54PM1.41m
7:46AM1.20m
8:19PM1.40m
8:53AM1.09m
8:46PM1.39m
10:25AM1.01m
Low Tide
10:59PM0.98m
11:31AM-0.03m
11:44PM0.89m
12:09PM0.08m
00:29AM0.80m
12:44PM0.22m
1:16AM0.71m
1:17PM0.39m
2:06AM0.64m
1:46PM0.56m
3:00AM0.58m
2:13PM0.72m
4:00AM0.54m
2:39PM0.87m
part cloud
part cloud
part cloud
thunderstorm
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
thunderstorm
thunderstorm
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:33
4:35
4:35
4:35
4:37
4:37
4:39
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:53
6:52
6:52
6:52
6:52
6:51
6:50
6:50
 mm
3
5
1
Temp °C
27
28
28
26
27
27
26
27
27
25
27
27
25
27
28
25
29
29
26
26
26
Feels °C
28
32
30
29
29
29
29
29
28
27
29
29
28
30
29
27
32
31
29
26
27
  • 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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