
Surf Forecasts:
Shida surf forecast from 24 Jul 2026:
- Best quality surf: Wednesday 29 Jul, 9PM (local time) - 3ft (0.9m), 8s period, ENE swell with cross-offshore winds.
- Most powerful swell: Wednesday 29 Jul, 9PM (local time) - 3ft (0.9m), 8s period, ENE swell with 103 kJ wave energy.
- Next surfable swell (1★+): Friday 24 Jul, 6PM (local time) - 1.5ft (0.5m), 11s period with SE 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 (Jul 24) at 6PM. The primary swell is predicted to be 0.5m and 11s period with a secondary swell of 0.5m 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 0.9m 8s and forecast to arrive on Wednesday (Jul 29) 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 Friday (Jul 31) at 3PM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6PM (Fri 24th Jul) | 1.5ft (0.5m) 11s |
| Best Surf | 9PM (Wed 29th Jul) | 3ft (0.9m) 8s |
| Most Powerful | 9PM (Wed 29th Jul) | 3ft (0.9m) 8s |
Table - best surf conditions forecast for Shida over the next 16 days.
The Lowdown
Alright, let’s cut the chatter. The next couple of weeks ain’t looking great for a decent surf. There’s some energy coming, but it’s all messed up with strong winds and massive size. Here’s the skinny.
First spot is Shida. This break is inconsistent, and it’s a real struggle. The first few days have tiny swell, only 1ft to 2ft from the east or southeast, with a period mostly 9 to 11 seconds. The combined swell energy is weak to moderate (131). Water temp is 79°, which is normal for the season. The wind is all over the place. Friday morning has a cross-onshore, making it choppy. Friday afternoon cleans up with a cross-offshore breeze, but it’s still mediocre.
Saturday, 25th July, starts with a clean, offshore SSW wind and 2ft swell, but it’s nothing special. The afternoon has a risk of thunderstorms, but the swell is small and clean. Sunday morning, 26th July, is the best of a weak bunch: glassy conditions with 1ft swell from the SE and a 15-second period. That long period (over 15 seconds) means it’s a groundswell, which can be a bit straight at beach breaks, but the glassy wind makes it rideable. The energy is still weak (131). It’s surfable, but nothing to write home about.
Monday, 27th July, and Tuesday, 28th July, are a total washout. The wind is a cross-onshore breeze from the northeast at 12 mph, and the swell is only 3ft to 3ft with a short 7-second period, creating weak, choppy energy (190 to 211). Poor surf conditions through Wednesday and Thursday, with small, poorly shaped waves.
Friday, 31st July, through Sunday, 2nd August, the swell stays tiny, around 1ft to 2ft. The winds are mostly offshore or cross-offshore, but the energy is low (44 to 155). It’s a long stretch of small, clean, but boring waves.
Now, here’s the big story: from Tuesday, 4th August, the swell jumps up, but it’s not good for paddle surfing. The swell height builds from 4ft to 31ft, with a long period of 16 to 18 seconds (very long groundswell). The combined energy explodes from 614 to a massive 96855. That’s strong to very strong wave energy. But the wind is a fresh to gale-force cross-onshore, 18 to 43 mph, creating lumpy, messy, and dangerous conditions. By Thursday, 6th August, the swell is 15ft, and by Friday, 7th August, it’s 18ft, with a cross-shore wind at 25 mph. That size is over 8ft, so it’s for experts only, but the wind is just too strong for clean surfing. Honestly, this setup looks more interesting for kite surfing than paddle surfing. The waves at Shida are just too big and blown out to be any fun.
The standout window? There isn’t a real gem here. The best you’ll get is the glassy, small surf on Sunday morning, 26th July, if you’re really itching to get wet. Otherwise, the whole 16-day window is a tough one. It’s a long stretch of poor quality, with a massive pulse of swell that’s completely ruined by the wind. Sometimes that’s just how it goes.
Rusty.
Short Range ForecastModerate rain (total 18mm), heaviest on Sat night. Warm (max 29°C on Sat morning, min 23°C on Sat night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 9mm), mostly falling on Mon afternoon. Warm (max 26°C on Wed morning, min 22°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Friday 24 | Saturday 25 | Sunday 26 | Monday 27 | Tuesday 28 | Wednesday 29 | Thursday 30 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map | |||||||||||||||||||||
Wave Height (m) Direction Period (s) | E 9 | SE 11 | SE 16 | SE 10 | SE 16 | SE 15 | SE 15 | SE 15 | SE 14 | SE 14 | NE 7 | NE 7 | SE 10 | ENE 7 | ENE 8 | SE 10 | SE 10 | ENE 8 | E 8 | E 8 | SE 10 |
Wave Graph | |||||||||||||||||||||
57 | 57 | 66 | 48 | 63 | 57 | 55 | 64 | 72 | 65 | 79 | 91 | 68 | 62 | 86 | 35 | 36 | 38 | 48 | 31 | 34 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-off | cross-off | off | cross-off | cross-on | glassy | off | on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross | glassy | off | off | cross-off |
High Tide | 3:31PM1.10m | 10:50PM1.30m | 3:52PM1.18m | 00:02AM1.29m | 4:16PM1.25m | 1:12AM1.32m | 4:40PM1.30m | 2:10AM1.36m | 5:03PM1.34m | 2:59AM1.41m | 5:26PM1.37m | 3:43AM1.45m | 5:48PM1.39m | ||||||||
Low Tide | 4:23PM1.10m | 7:24AM0.37m | 7:04PM1.14m | 8:18AM0.29m | 8:25PM1.11m | 9:03AM0.22m | 9:14PM1.06m | 9:43AM0.16m | 9:51PM1.01m | 10:18AM0.12m | 10:26PM0.94m | 10:50AM0.11m | 11:00PM0.87m | ||||||||
4:39 | — | — | 4:41 | — | — | 4:41 | — | — | 4:41 | — | — | 4:43 | — | — | 4:43 | — | — | 4:43 | — | — | |
— | 6:49 | — | — | 6:47 | — | — | 6:46 | — | — | 6:45 | — | — | 6:45 | — | — | 6:45 | — | — | 6:44 | — | |
mm | — | — | — | 2 | 1 | 10 | — | 2 | 3 | 2 | 7 | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 28 | 26 | 29 | 28 | 24 | 27 | 27 | 27 | 25 | 24 | 23 | 25 | 25 | 24 | 26 | 26 | 25 | 28 | 28 | 26 |
Feels °C | 30 | 31 | 30 | 33 | 33 | 26 | 30 | 30 | 33 | 27 | 24 | 23 | 25 | 25 | 25 | 28 | 28 | 29 | 30 | 30 | 29 |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 8 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | ENE 7 | SE 10 | SE 10 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | ENE 7 |
57 | 39 | 36 | 35 | 49 | 50 | 53 | 64 | 53 | 51 | 63 | 68 | 63 | 48 | 44 | 35 | 36 | 38 | 48 | 31 | 18 | |
Swell 2 Height (m) Direction Period (s) | SE 9 | SE 11 | SE 10 | SE 10 | E 8 | ENE 8 | E 6 | E 5 | SE 14 | SE 14 | SSW 8 | SE 10 | SSW 9 | SSW 8 | SE 10 | SE 10 | SE 10 | E 5 | SE 10 | SE 9 | SE 10 |
22 | 57 | 51 | 48 | 34 | 22 | 18 | 14 | 72 | 51 | 22 | 64 | 25 | 24 | 47 | 33 | 32 | 12 | 32 | 31 | 34 | |
Swell 3 Height (m) Direction Period (s) | SE 18 | SE 17 | SE 16 | SE 4 | SE 16 | SE 15 | SE 15 | SE 15 | NE 11 | S 8 | SE 14 | SSW 8 | SE 13 | SE 13 | SSW 8 | SSW 8 | SSW 8 | SE 9 | SSW 8 | SE 12 | E 8 |
49 | 43 | 66 | 5 | 63 | 57 | 55 | 54 | 31 | 23 | 47 | 22 | 27 | 27 | 23 | 14 | 13 | 31 | 12 | 6 | 6 | |
Wind waves Height (m) Direction Period (s) | NE 3 | E 3 | SE 4 | — | SE 4 | — | NE 4 | — | ENE 5 | NE 7 | NE 7 | NE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 4 | ENE 4 | — | — | SSW 8 | SW 3 |
3 | 2 | 6 | — | 4 | — | 5 | — | 52 | 65 | 79 | 91 | 68 | 62 | 86 | 11 | 17 | — | — | 11 | 2 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 17 | 0 | 0 | 0 | 0 | 23 | 0 | 0 | 3 | 70 | 70 | 17 | 70 | 70 | 56 | 27 | 63 | 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.










