Surf Forecasts:
Shida surf forecast from 12 Jul 2026:
- Best quality surf: Friday 17 Jul, 12PM (local time) - 5ft (1.6m), 15s period, SE swell with cross-offshore winds.
- Most powerful swell: Friday 17 Jul, 3PM (local time) - 6ft (1.8m), 14s period, SE swell with 1,253 kJ wave energy.
- Next surfable swell (1★+): Monday 13 Jul, 3AM (local time) - 4.5ft (1.4m), 14s period with SSW 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 Monday (Jul 13) at 3AM. The primary swell is predicted to be 1.4m and 14s period with a secondary swell of 0.4m and 9s. 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 1.8m 14s and forecast to arrive on Friday (Jul 17) at 3PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 6s period and expected on Thursday (Jul 16) at 3AM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Mon 13th Jul) | 4.5ft (1.4m) 14s |
| Best Surf | 12PM (Fri 17th Jul) | 5ft (1.6m) 15s |
| Most Powerful | 3PM (Fri 17th Jul) | 6ft (1.8m) 14s |
Table - best surf conditions forecast for Shida over the next 16 days.
G’day, Rusty here. Look, it’s a bit of a mixed bag for Shida over the next fortnight. There’s a few proper windows of clean, solid swell, but you’ll need to pick your moments. The first week has some real standouts, and there’s a beauty set-up in the second week, but it’s not all good news – there are some choppy, blown-out days in between.
Right out of the gate, Monday 13th July is a cracker. The morning glass-off with a 4ft SSW swell (combined energy of 550), glassy conditions, and a 13-second period will have Shida looking fun and clean. The water temp is about average for the time of year, nothing unusual.
The next few days drop right off. Tuesday 14th and Wednesday 15th are small, weak, and ordinary – not worth a paddle. Then Thursday 16th stays poor.
The real standout of the first week is Friday 17th July. The morning is a nice 3ft SE swell with a 16-second period (combined energy of 622) and gentle offshore wind – clean, long lines. But the afternoon is the pick: 6ft SE swell, 14-second period, and a massive combined energy of 1406. That’s strong, powerful groundswell. The wind is cross-off, so it’ll be clean, but at 6ft, it’s getting solid – better for experienced surfers. For a spot like Shida that’s inconsistent, this is a rare, proper session.
Saturday 18th and Sunday 19th July are a write-off – strong onshore winds and messy, choppy conditions. The swell is big but blown out. Monday 20th is still poor.
Now, the second week has a serious standout. Tuesday 21st July is an absolute gem. The morning is glassy with a 6ft E swell, 12-second period, and combined energy of 1029 – that’s very strong. The afternoon is even better: 6ft E swell, 11-second period, combined energy of 1060, and clean offshore wind. This is excellent, powerful surf, but at 6ft, it’s for the experienced crew. For a break that’s inconsistent, this is a rare gift.
Wednesday 22nd July holds well – 6ft ESE swell, 12-second period (combined energy of 926), and glassy morning conditions. Another very good day, but again, expert territory.
After that, it fades. Thursday 23rd through the end of the month is small, weak, and mostly messy with onshore winds. Sunday 26th July afternoon has a little 2ft SSE swell (combined energy of 211) with offshore wind, but it’s tiny.
So, the best of the best: Friday 17th July afternoon and Tuesday 21st July morning and afternoon. Those are the ones to circle. The rest is mostly a wait.
Rusty.
Short Range ForecastLight rain (total 3mm), mostly falling on Sun night. Warm (max 28°C on Tue morning, min 24°C on Mon night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 2mm), mostly falling on Sat morning. Warm (max 28°C on Thu morning, min 25°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | Sun 19 | |||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | SSW 14 | SSW 13 | SSW 12 | SSW 11 | SSW 11 | S 10 | S 10 | SSW 10 | SSW 9 | E 8 | E 8 | ESE 9 | E 8 | SE 16 | SE 14 | SE 12 | SE 10 | SE 9 | SE 9 | SE 10 | SE 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 651 | 499 | 167 | 213 | 123 | 80 | 51 | 35 | 113 | 69 | 68 | 103 | 71 | 515 | 1253 | 792 | 876 | 901 | 690 | 789 | 864 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | glassy | cross-off | glassy | off | off | off | cross-off | off | off | cross-off | off | off | off | cross-off | cross-on | cross-on | cross | cross-on | cross-on | cross-on |
High Tide | 1:24AM1.47m | 4:57PM1.40m | 2:25AM1.51m | 5:33PM1.43m | 3:21AM1.54m | 6:05PM1.44m | 4:15AM1.54m | 6:35PM1.43m | 5:07AM1.50m | 7:03PM1.43m | 5:58AM1.43m | 7:29PM1.42m | 6:50AM1.32m | ||||||||
Low Tide | 9:16AM-0.03m | 9:25PM1.12m | 10:05AM-0.08m | 10:14PM1.06m | 10:49AM-0.09m | 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 | ||||||||
 |  |  |  |  | |  |  | |  | | | | | | |  | | | | | |
 | — | 4:33 | — | — | 4:33 | — | — | 4:33 | — | — | 4:33 | — | — | 4:35 | — | — | 4:35 | — | — | 4:35 | — |
 | 6:54 | — | 6:53 | — | — | 6:53 | — | — | 6:53 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 |
mm | 1 | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — |
Temp °C | 26 | 27 | 27 | 26 | 28 | 28 | 26 | 28 | 28 | 26 | 28 | 28 | 26 | 27 | 27 | 25 | 26 | 26 | 24 | 26 | 26 |
Feels °C | 30 | 31 | 30 | 29 | 30 | 30 | 29 | 30 | 29 | 27 | 30 | 29 | 29 | 29 | 29 | 29 | 27 | 27 | 25 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 13 | S 7 | SSW 11 | SSW 11 | S 10 | S 10 | E 8 | E 9 | E 8 | E 8 | ESE 9 | E 8 | SE 16 | SE 14 | SE 12 | SE 10 | SE 9 | SE 9 | SE 10 | SE 11 |
| kJ | 651 | 499 | 56 | 213 | 123 | 80 | 51 | 34 | 55 | 69 | 68 | 103 | 71 | 515 | 1253 | 792 | 876 | 721 | 690 | 789 | 864 |
Swell 2 Height (m) Direction Period (s) | S 5 | ESE 9 | SSW 12 | ESE 9 | ESE 9 | SE 12 | ESE 9 | SSW 10 | SSE 11 | SSE 9 | SSE 9 | SE 9 | SE 10 | ESE 9 | ESE 9 | E 8 | SW 7 | SW 8 | — | E 8 | E 9 |
| kJ | 33 | 27 | 167 | 16 | 16 | 35 | 28 | 31 | 12 | 8 | 8 | 13 | 25 | 101 | 119 | 116 | 2 | 2 | — | 116 | 101 |
Swell 3 Height (m) Direction Period (s) | ESE 9 | SE 10 | ESE 9 | SSE 10 | SE 12 | ESE 9 | SE 10 | SE 10 | SSE 9 | SE 11 | SE 11 | S 12 | SSW 8 | SSW 8 | SW 7 | WSW 7 | S 8 | — | — | SW 7 | SW 7 |
| kJ | 27 | 24 | 16 | 9 | 22 | 17 | 26 | 35 | 8 | 5 | 5 | 3 | 7 | 6 | 34 | 5 | 1 | — | — | 2 | 2 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | SSW 2 | SSW 3 | SSW 9 | S 5 | SSW 6 | S 5 | S 5 | S 5 | — | — | — | SE 9 | — | — | — |
| kJ | — | — | — | — | — | — | 1 | 3 | 113 | 75 | 102 | 57 | 40 | 11 | — | — | — | 901 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 303 | 0 | 0 | 0 | 0 | 17 | 63 | 125 | 63 | 63 | 74 |
Best forecast wave conditions in Chiba | |||||||||||||||||||||
Best forecast wave conditions in Japan | |||||||||||||||||||||
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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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