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Surf Forecasts:
Izumi surfForecast / Chiba / Japan
12 Day Weather and Surf, issued 8 am Wednesday 25 Feb 2026 JSTForecast update in hr min s Forecast update imminent
Izumi surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Izumi sea temperature is
15.2° C
(Which is 1.0°C colder than average for this time of year)Best Forecast Surf Conditions for Izumi this week:
The surf forecast for Izumi over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Feb 26) at 3AM. The primary swell is predicted to be 3.0m and 8s period with a secondary swell of 1.3m and 8s. Another secondary swell of 0.1m and 15s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Izumi in the next 12 days are 3.0m 10s and forecast to arrive on Friday (Feb 27) 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 1.1m 4s period and expected on Wednesday (Feb 25) at 3PM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Thu 26th Feb) | 10ft (3.0m) 8s |
| Best Surf | 3AM (Thu 26th Feb) | 10ft (3.0m) 8s |
| Most Powerful | 12AM (Fri 27th Feb) | 10ft (3.0m) 10s |
Table - best surf conditions forecast for Izumi over the next 12 days.
Updates in hr min s Forecast update imminent
Short Range Forecast Heavy rain (total 71mm), heaviest during Wed afternoon. Very mild (max 17°C on Wed morning, min 8°C on Thu morning). Winds decreasing (near gales from the NNE on Wed night, calm by Fri night). | Days 3-6 Weather Summary Some drizzle, heaviest during Sun night. Very mild (max 15°C on Sun night, min 10°C on Sat night). Winds increasing (calm on Sat afternoon, fresh winds from the NNE by Sun night). | ||||||||||||||||||||
Wednesday 25 | Thursday 26 | Friday 27 | Saturday 28 | Sunday 01 | Monday 02 | Tuesday 03 | |||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Rating (10 max) | |||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||
| Period(s) (?) | 6 | 8 | 8 | 9 | 10 | 10 | 10 | 10 | 9 | 9 | 12 | 10 | 10 | 10 | 10 | 16 | 14 | 13 | 13 | 13 | 13 |
Wave (?)Graph  | |||||||||||||||||||||
 kJ (?) | 225 | 481 | 970 | 1429 | 1753 | 1792 | 906 | 611 | 497 | 259 | 977 | 833 | 260 | 236 | 136 | 129 | 276 | 317 | 307 | 367 | 372 |
Wind (km/h) | |||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- on | cross- off | cross | off | cross- off | on | cross- off | cross | cross- on | on | cross- on | cross- on | cross |
High Tide / height (m) | 8:45AM 1.31 | 4:37AM 10:53AM 1.21 1.24 | 4:08AM 1.26 | 1:09PM 1.27 | 4:19AM 1.30 | 2:25PM 1.34 | 4:35AM 1.32 | 3:21PM 1.41 | 4:52AM 1.35 | 4:08PM 1.45 | |||||||||||
Low Tide / height (m) | 4:47PM 0.38 | 6:36PM 0.34 | 6:53AM 1.20 | 7:59PM 0.26 | 8:40AM 1.10 | 8:56PM 0.19 | 9:19AM 0.96 | 9:39PM 0.15 | 9:52AM 0.82 | 10:15PM 0.16 | 10:24AM 0.68 | 10:46PM 0.21 | |||||||||
Wednesday 25 | Thursday 26 | Friday 27 | Saturday 28 | Sunday 01 | Monday 02 | Tuesday 03 | |||||||||||||||
| Sunrise | 6:13 | - | - | 6:13 | - | - | 6:11 | - | - | 6:09 | - | - | 6:09 | - | - | 6:07 | - | - | 6:05 | - | - |
| Sunset | - | 5:29 | - | - | 5:30 | - | - | 5:30 | - | - | 5:30 | - | - | 5:31 | - | - | 5:32 | - | - | 5:34 | - |
 | |  |  | |  | | | |  |  |  | | |  | | |  | |  | | |
Rain (mm) | 12 | 30 | 29 | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | 1 | - |
| Temp. °C | 17 | 10 | 10 | 9 | 8 | 9 | 13 | 12 | 13 | 14 | 14 | 13 | 12 | 13 | 15 | 11 | 11 | 12 | 13 | 12 | 10 |
| Feels °C (?) | 12 | 1 | 1 | -1 | -2 | 0 | 9 | 9 | 11 | 11 | 11 | 11 | 10 | 10 | 13 | 5 | 7 | 10 | 9 | 7 | 5 |
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FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Izumi surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Izumi Surf forecast
The above surf forecast table for Izumi provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Izumi can be found by selecting the local surf guide option on the grey menu. Our Izumi 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 (Izumi) 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 Izumi 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.
Izumi is 7 km (4 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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