Surf Forecasts:
Shida surf forecast from 9 Jul 2026:
- Best quality surf: Thursday 9 Jul, 9PM (local time) - 6ft (1.9m), 14s period, SSE swell with offshore winds.
- Most powerful swell: Saturday 11 Jul, 3AM (local time) - 7ft (2.2m), 17s period, S swell with 2,733 kJ wave energy.
- Next surfable swell (1★+): Thursday 9 Jul, 9PM (local time) - 6ft (1.9m), 14s period with SSE 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 09) at 9PM. The primary swell is predicted to be 1.9m and 14s period with a secondary swell of 0.8m 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 2.2m 17s and forecast to arrive on Saturday (Jul 11) at 3AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Sunday (Jul 12) at 3PM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Thu 9th Jul) | 6ft (1.9m) 14s |
| Best Surf | 9PM (Thu 9th Jul) | 6ft (1.9m) 14s |
| Most Powerful | 3AM (Sat 11th Jul) | 7ft (2.2m) 17s |
Table - best surf conditions forecast for Shida over the next 16 days.
Alright folks, Rusty here. Let’s get into it. We’ve got a proper window of solid surf coming up at Shida, but it’s a short-lived pulse, so you’ll want to be on it.
The main event is a run of strong, clean, offshore groundswell that kicks in properly on Thursday the 9th and builds through the weekend. The water’s sitting at 73°, which is a bit colder than we’d expect for this time of year, so a good steamer is a smart call.
Thursday afternoon sees the first decent push with a 5ft SSE swell, period around 13 seconds, and a cross-off wind. The energy is already pumping at 1458 (moderate to strong). It’s clean, but this one is for experienced surfers only – it’s got some punch.
The real standout is Friday the 10th through to Saturday the 11th. We’re talking a 7ft to 7ft swell from the south, with a period stretching out to 16 seconds – that’s proper long-period groundswell, meaning good shape and plenty of energy. The wind is offshore all day, glassy and clean. The energy reading jumps from 1914 up to 2703, which is strong to very strong. This is expert territory; it’s going to be powerful and the sets will be well-spaced. If you’ve got the skills, these are the sessions to chase.
Sunday the 12th is still surfable, with 6ft to 7ft SSW swell and a 16-second period, but the wind swings cross-off and the risk of thunderstorms creeps in. It’s a step down in quality, but still a big, clean wave for those who want a last crack at the size.
After that, the swell drops off hard. Monday the 13th onward we’re looking at a long stretch of small, marginal waves – mostly under 3ft and with short periods, often onshore or cross-shore. We’re talking a solid week of smaller, less exciting surf, with energy readings dropping down to the 100s and 200s. There’s a brief flicker of life around Thursday the 23rd and Friday the 24th with a 4ft ESE swell and a longer period of 14 seconds, but the wind is iffy and the overall quality is nothing special.
In short, don’t sleep on this Thursday to Saturday window. That’s the best we’ve got.
Rusty.
Short Range ForecastLight rain (total 6mm), mostly falling on Sun morning. Warm (max 26°C on Fri morning, min 23°C on Thu night). Wind will be generally light. | Days 5-7 Weather SummaryModerate rain (total 15mm), heaviest on Sun afternoon. Warm (max 26°C on Wed morning, min 22°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Thu 9 | Friday 10 | Saturday 11 | Sunday 12 | Monday 13 | Tuesday 14 | Wednesday 15 | |||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | SSE 13 | S 14 | S 15 | S 16 | S 16 | S 16 | S 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 13 | SSW 12 | SSW 12 | S 11 | S 11 | S 10 | ESE 8 | ESE 9 | ESE 9 | ESE 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 828 | 1663 | 1847 | 2369 | 2574 | 2632 | 2605 | 2241 | 1922 | 1611 | 696 | 372 | 192 | 186 | 192 | 58 | 98 | 75 | 147 | 186 | 207 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-on | on | cross | on | cross | cross-off | cross-off | cross-off | off | off | off |
High Tide | 10:30PM1.39m | 2:04PM1.14m | 11:20PM1.40m | 3:23PM1.25m | 00:20AM1.43m | 4:15PM1.34m | 1:24AM1.47m | 4:57PM1.40m | 2:25AM1.51m | 5:33PM1.43m | 3:21AM1.54m | 6:05PM1.44m | 4:15AM1.54m | ||||||||
Low Tide | 4:10PM0.93m | 6:21AM0.34m | 5:33PM1.06m | 7:25AM0.20m | 7:09PM1.14m | 8:23AM0.07m | 8:26PM1.15m | 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 | |||||||
 |  | | | | |  |  |  |  |  |  | |  | | | | | | | | |
 | — | — | 4:31 | — | — | 4:31 | — | — | 4:31 | — | — | 4:33 | — | — | 4:33 | — | — | 4:33 | — | — | 4:33 |
 | 6:55 | — | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — | 6:53 | — | — | 6:53 | — | — | 6:53 | — | 6:52 |
mm | — | — | — | — | — | — | — | — | 6 | 11 | 1 | 1 | 1 | — | — | 1 | — | — | — | — | — |
Temp °C | 25 | 24 | 26 | 25 | 24 | 26 | 26 | 24 | 25 | 25 | 23 | 25 | 25 | 23 | 25 | 25 | 24 | 26 | 27 | 25 | 28 |
Feels °C | 26 | 27 | 27 | 26 | 26 | 26 | 26 | 25 | 26 | 27 | 26 | 27 | 26 | 26 | 27 | 27 | 27 | 28 | 29 | 27 | 29 |
Swell 1 Height (m) Direction Period (s) | SSE 13 | S 14 | S 15 | S 16 | S 16 | S 16 | S 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 13 | SSW 12 | SSW 12 | S 11 | E 9 | S 10 | ESE 8 | ESE 9 | ESE 9 | ESE 9 |
| kJ | 828 | 1663 | 1847 | 2369 | 2574 | 2632 | 2605 | 2241 | 1922 | 1611 | 696 | 372 | 192 | 186 | 192 | 39 | 98 | 75 | 147 | 186 | 207 |
Swell 2 Height (m) Direction Period (s) | S 15 | ESE 8 | ESE 8 | ESE 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | SSW 5 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | S 11 | ESE 9 | S 10 | SSW 10 | SSW 9 | SSW 9 |
| kJ | 545 | 85 | 65 | 107 | 60 | 59 | 40 | 40 | 39 | 40 | 20 | 27 | 27 | 26 | 26 | 58 | 62 | 49 | 31 | 16 | 8 |
Swell 3 Height (m) Direction Period (s) | ESE 8 | E 8 | NE 8 | — | ESE 9 | — | E 9 | SSE 9 | SE 11 | SE 10 | ESE 9 | SE 10 | SW 14 | SE 5 | SE 12 | SE 12 | SE 10 | SE 10 | SE 13 | S 13 | S 14 |
| kJ | 85 | 100 | 2 | — | 90 | — | 58 | 35 | 29 | 27 | 26 | 24 | 54 | 4 | 22 | 35 | 25 | 32 | 7 | 3 | 4 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | SSW 4 | SSW 4 | SW 5 | — | — | — | — | S 6 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 8 | 28 | 37 | — | — | — | — | 33 | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 91 | 91 | 1 | 3 | 3 | 17 | 3 | 17 | 77 | 0 | 0 | 0 | 0 | 0 |
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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