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Tacos (Hachijojima Island) surfForecast / Izu Islands / Japan
12 Day Weather and Surf, issued 8 pm Tuesday 09 Dec 2025 JSTForecast update in hr min s Forecast update imminent
Tacos (Hachijojima Island) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Tacos (Hachijojima Island) sea temperature is
23.6° C
(Which is 2.3°C warmer than normal for this time of year)Best Forecast Surf Conditions for Tacos (Hachijojima Island) this week:
The surf forecast for Tacos (Hachijojima Island) over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Dec 10) at 6AM. The primary swell is predicted to be 1.3m and 7s period with a secondary swell of 0.7m and 9s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Tacos (Hachijojima Island) in the next 12 days are 4.0m 8s and forecast to arrive on Sunday (Dec 14) 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 5.0m 9s period and expected on Sunday (Dec 14) at 6PM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Wed 10th Dec) | 4.5ft (1.3m) 7s |
| Best Surf | 6AM (Wed 10th Dec) | 4.5ft (1.3m) 7s |
| Most Powerful | 3PM (Sun 14th Dec) | 13ft (4.0m) 8s |
Table - best surf conditions forecast for Tacos (Hachijojima Island) over the next 12 days.
Updates in hr min s Forecast update imminent
Short Range Forecast Light rain (total 3mm), mostly falling on Thu night. Very mild (max 19°C on Thu night, min 12°C on Fri morning). Winds increasing (light winds from the WNW on Wed night, near gales from the W by Thu night). | Days 3-6 Weather Summary Heavy rain (total 34mm), heaviest during Sun morning. Warm (max 22°C on Sun afternoon, min 11°C on Fri night). Winds increasing (light winds from the SSE on Sat morning, gales from the SSW by Sun afternoon). | |||||||||||||||||||||
Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | Tue 16 | ||||||||||||||||
| Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | ||
Rating (10 max) | ||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||
| Period(s) (?) | 8 | 7 | 9 | 9 | 10 | 9 | 11 | 10 | 8 | 9 | 10 | 10 | 9 | 11 | 8 | 10 | 8 | 9 | 11 | 12 | 12 | |
Wave (?)Graph  | ||||||||||||||||||||||
 kJ (?) | 381 | 151 | 110 | 160 | 184 | 147 | 191 | 94 | 285 | 541 | 754 | 651 | 261 | 143 | 2112 | 57 | 86 | 71 | 149 | 500 | 988 | |
Wind (km/h) | ||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | off | off | off | cross- off | cross- off | cross- off | off | cross- on | cross- on | on | on | cross- off | cross | cross- off | off | off | off | off | off | off | |
High Tide / height (m) | 10:02AM 1.26 | 8:12PM 1.38 | 10:46AM 1.27 | 9:24PM 1.30 | 11:30AM 1.31 | 10:53PM 1.22 | 12:13PM 1.36 | 12:41AM 1.18 | 12:54PM 1.41 | 2:27AM 1.19 | 1:34PM 1.44 | 3:40AM 1.24 | 2:12PM 1.45 | |||||||||
Low Tide / height (m) | 2:52AM 0.23 | 2:36PM 1.04 | 3:44AM 0.42 | 3:58PM 1.03 | 4:35AM 0.60 | 5:33PM 0.97 | 5:26AM 0.75 | 7:00PM 0.86 | 6:18AM 0.86 | 8:04PM 0.72 | 7:14AM 0.95 | 8:54PM 0.56 | 8:15AM 1.00 | |||||||||
Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | Tue 16 | ||||||||||||||||
| Sunrise | - | 6:31 | - | - | 6:31 | - | - | 6:33 | - | - | 6:33 | - | - | 6:33 | - | - | 6:35 | - | - | 6:35 | - | |
| Sunset | - | - | 4:32 | - | - | 4:34 | - | - | 4:34 | - | - | 4:34 | - | - | 4:34 | - | - | 4:35 | - | - | 4:35 | |
 |  |  |  | | |  |  |  | |  | |  |  |  | | | | | | | ||
Rain (mm) | - | - | - | - | - | - | 2 | - | 1 | 5 | 2 | 1 | 1 | 16 | 8 | 1 | - | - | - | - | - | |
| Temp. °C | 15 | 14 | 15 | 15 | 16 | 18 | 19 | 13 | 12 | 12 | 14 | 15 | 17 | 14 | 22 | 15 | 13 | 13 | 13 | 12 | 13 | |
| Feels °C (?) | 10 | 7 | 7 | 9 | 10 | 9 | 9 | 1 | 5 | 8 | 12 | 11 | 11 | 10 | 12 | 4 | 1 | 1 | 0 | 3 | 5 | |
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Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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Information about the Tacos (Hachijojima Island) Surf forecast
The above surf forecast table for Tacos (Hachijojima Island) provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Tacos (Hachijojima Island) can be found by selecting the local surf guide option on the grey menu. Our Tacos (Hachijojima Island) 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 (Tacos (Hachijojima Island)) 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 Tacos (Hachijojima Island) 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.
Tacos (Hachijojima Island) is 192 km (119 miles) from Oshima. If you plan a holiday in Izu Islands, look for hotels and other accommodation in Oshima. Oshima has rooms for a wide range of budgets as well as car hire and transport links.
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