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Tacos (Hachijojima Island) surfForecast / Izu Islands / Japan
12 Day Weather and Surf, issued 8 pm Sunday 14 Sep 2025 JST
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 Monday (Sep 15) at 6PM. The primary swell is predicted to be 0.5m and 10s period. 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 3.5m 9s and forecast to arrive on Monday (Sep 22) at 3AM. Winds are predicted to be glassy 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 (Sep 18) at 12PM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6PM (Mon 15th Sep) | 1.5ft (0.5m) 10s |
| Best Surf | 9PM (Sun 21st Sep) | 7ft (2.1m) 10s |
| Most Powerful | 3AM (Mon 22nd Sep) | 11ft (3.5m) 9s |
Table - best surf conditions forecast for Tacos (Hachijojima Island) over the next 12 days.
Short Range Forecast Some drizzle, heaviest during Tue morning. Warm (max 28°C on Sun night, min 27°C on Mon night). Winds decreasing (fresh winds from the WSW on Sun night, calm by Tue afternoon). | Days 3-6 Weather Summary Moderate rain (total 14mm), heaviest on Sat afternoon. Warm (max 28°C on Wed night, min 25°C on Fri night). Winds decreasing (fresh winds from the WSW on Thu morning, light winds from the W by Thu night). | |||||||||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | Sun 21 | ||||||||||||||||
| 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) (?) | 13 | 10 | 13 | 9 | 9 | 9 | 8 | 10 | 9 | 9 | 9 | 10 | 10 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | |
Wave (?)Graph  | ||||||||||||||||||||||
 kJ (?) | 32 | 50 | 59 | 73 | 70 | 65 | 64 | 72 | 64 | 57 | 39 | 24 | 34 | 113 | 167 | 134 | 154 | 352 | 554 | 542 | 364 | |
Wind (km/h) | ||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | off | cross- off | glass | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross | cross- on | on | glass | cross- on | on | |
High Tide / height (m) | 8:58PM 1.43 | 6:07PM 10:39PM 1.29 1.34 | 4:29PM 1.32 | 1:31AM 1.36 | 4:35PM 1.39 | 2:51AM 1.47 | 4:50PM 1.47 | 3:45AM 1.58 | 5:08PM 1.56 | 4:29AM 1.65 | 5:26PM 1.64 | |||||||||||
Low Tide / height (m) | 5:08AM 0.40 | 6:46AM 0.40 | 6:21PM 1.29 | 8:07AM 0.36 | 8:42PM 1.19 | 9:06AM 0.34 | 9:28PM 1.07 | 9:52AM 0.35 | 10:05PM 0.95 | 10:29AM 0.39 | 10:39PM 0.86 | 11:00AM 0.48 | ||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | Sun 21 | ||||||||||||||||
| Sunrise | - | 5:22 | - | - | 5:24 | - | - | 5:24 | - | - | 5:24 | - | - | 5:26 | - | - | 5:26 | - | - | 5:26 | - | |
| Sunset | - | - | 5:47 | - | - | 5:46 | - | - | 5:45 | - | - | 5:44 | - | - | 5:42 | - | - | 5:40 | - | - | 5:39 | |
 |  | | |  | | |  | | | | |  | | | | |  | | | | ||
Rain (mm) | - | - | - | - | 1 | - | - | - | - | - | - | - | 4 | - | - | 1 | 2 | 7 | 11 | 1 | 2 | |
| Temp. °C | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 26 | 27 | 27 | 26 | 26 | 26 | |
| Feels °C (?) | 29 | 30 | 30 | 33 | 34 | 34 | 33 | 31 | 30 | 29 | 28 | 29 | 29 | 31 | 29 | 26 | 26 | 27 | 28 | 27 | 28 | |
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Recent Eyeball Surf Reports for Izu Islands
Offshore wind has become cross-off at Tacos (Hachijojima Island) (light winds from the W at Hachijojima 8 km from Tacos (Hachijojima Island)). 0.5m 9s swell from the NE with a 0.3m 9s swell from the SE and a 0.2m 14s groundswell from the E. 3 swells combining to make bigger set waves.
1 h 4 min ago
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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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