Surf Forecasts:
Niijima - Awaii surf forecast from 15 Aug 2026:
- Most powerful swell: Saturday 15 Aug, 3PM (local time) - 5.5ft (1.7m), 10s period, E swell with 557 kJ wave energy.
Best Forecast Surf Conditions for Niijima - Awaii this week:
The most powerful waves expected at Niijima - Awaii in the next 16 days are 1.7m 10s and forecast to arrive on Saturday (Aug 15) at 3PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 8s period and expected on Thursday (Aug 20) at 9AM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 3PM (Sat 15th Aug) | 5.5ft (1.7m) 10s |
Table - best surf conditions forecast for Niijima - Awaii over the next 16 days.
Short Range ForecastLight rain (total 7mm), mostly falling on Sat morning. Warm (max 27°C on Sat morning, min 26°C on Sat night). Mainly fresh winds. | Days 4-6 Weather SummarySome drizzle, heaviest during Wed night. Warm (max 27°C on Tue afternoon, min 25°C on Tue morning). Wind will be generally light. | ||||||||||||||||||||
Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | |||||||||||||||
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 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 8 | E 8 | ESE 8 | E 8 | E 7 | E 7 | E 6 | SE 11 | E 8 | E 8 | ESE 8 | SSW 11 | SSW 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 680 | 557 | 443 | 369 | 312 | 262 | 219 | 210 | 173 | 136 | 110 | 115 | 124 | 103 | 60 | 30 | 153 | 257 | 223 | 249 | 269 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | on | cross-on | on | on |
High Tide | 7:02PM1.58m | 6:42AM1.64m | 7:24PM1.57m | 7:23AM1.58m | 7:45PM1.56m | 8:08AM1.48m | 8:08PM1.54m | 9:00AM1.36m | 8:32PM1.52m | 10:09AM1.24m | 8:58PM1.48m | 12:20PM1.17m | 9:31PM1.44m | ||||||||
Low Tide | 12:36PM0.25m | 00:47AM0.65m | 1:06PM0.37m | 1:21AM0.58m | 1:35PM0.51m | 1:58AM0.53m | 2:03PM0.67m | 2:40AM0.51m | 2:29PM0.83m | 3:31AM0.51m | 2:53PM0.99m | 4:37AM0.52m | 3:08PM1.14m | ||||||||
 |  |  |  | | | | | | | | | |  |  | | | | | |  | |
 | 5:03 | — | — | 5:03 | — | — | 5:03 | — | — | 5:05 | — | — | 5:05 | — | — | 5:05 | — | — | 5:07 | — | — |
 | — | 6:30 | — | — | 6:30 | — | — | 6:29 | — | — | 6:28 | — | — | 6:25 | — | — | 6:24 | — | — | 6:23 | — |
mm | 5 | — | — | 2 | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | 3 |
Temp °C | 27 | 27 | 26 | 26 | 27 | 27 | 27 | 27 | 26 | 26 | 27 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 26 | 27 | 26 |
Feels °C | 26 | 26 | 26 | 26 | 27 | 28 | 28 | 28 | 26 | 27 | 28 | 27 | 26 | 26 | 27 | 26 | 27 | 29 | 27 | 28 | 27 |
Swell 1 Height (m) Direction Period (s) | SSW 10 | SSW 10 | SSW 9 | SSW 9 | E 10 | E 9 | SSW 8 | E 9 | E 8 | E 8 | ESE 8 | E 9 | ENE 9 | ENE 9 | ENE 8 | SE 11 | S 9 | E 8 | ESE 8 | ESE 8 | SSW 10 |
| kJ | 146 | 135 | 92 | 65 | 312 | 262 | 62 | 210 | 173 | 136 | 110 | 55 | 25 | 25 | 23 | 30 | 23 | 257 | 223 | 178 | 269 |
Swell 2 Height (m) Direction Period (s) | SSE 8 | SSE 8 | SE 12 | ESE 10 | SSW 9 | SSW 9 | SE 11 | SSW 8 | SSW 8 | SW 8 | SW 8 | SE 10 | SW 9 | SW 9 | SE 10 | SW 8 | SE 11 | S 8 | S 8 | SSW 11 | E 7 |
| kJ | 14 | 13 | 22 | 31 | 59 | 68 | 30 | 46 | 24 | 31 | 15 | 26 | 22 | 21 | 26 | 11 | 31 | 49 | 50 | 249 | 112 |
Swell 3 Height (m) Direction Period (s) | SSE 10 | SSE 10 | SE 18 | SE 11 | SE 11 | SE 11 | S 16 | SE 11 | SE 11 | SE 10 | SE 10 | SSW 8 | SE 10 | SE 10 | SW 9 | SSW 8 | SW 8 | SW 8 | SSW 12 | E 15 | ESE 10 |
| kJ | 10 | 10 | 12 | 20 | 19 | 42 | 5 | 29 | 18 | 17 | 27 | 11 | 16 | 25 | 12 | 6 | 11 | 11 | 28 | 17 | 42 |
Wind waves Height (m) Direction Period (s) | E 10 | E 10 | E 10 | E 10 | — | — | E 9 | — | — | NE 3 | ENE 8 | E 8 | E 7 | E 7 | E 6 | ENE 8 | E 8 | — | — | — | — |
| kJ | 680 | 557 | 443 | 369 | — | — | 219 | — | — | 5 | 82 | 115 | 124 | 103 | 60 | 168 | 153 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 41 | 41 | 41 | 77 | 41 | 41 | 41 | 41 | 41 | 77 | 41 | 77 | 77 | 41 | 101 | 77 | 41 | 41 | 41 | 41 | 41 |
Best forecast wave conditions in Izu Islands | |||||||||||||||||||||
Best forecast wave conditions in Japan | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Information about the Niijima - Awaii Surf forecast
The above surf forecast table for Niijima - Awaii provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Niijima - Awaii can be found by selecting the local surf guide option on the grey menu. Our Niijima - Awaii 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 (Niijima - Awaii) 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 Niijima - Awaii 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.
Niijima - Awaii is 41 km (25 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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