Surf Forecasts:
Niijima - Awaii surf forecast from 11 Aug 2026:
- Best quality surf: Wednesday 19 Aug, 3AM (local time) - 1.5ft (0.4m), 9s period, SSE swell with glassy winds.
- Most powerful swell: Sunday 16 Aug, 12PM (local time) - 7ft (2.2m), 10s period, E swell with 1,006 kJ wave energy.
- Next surfable swell (1★+): Wednesday 19 Aug, 3AM (local time) - 1.5ft (0.4m), 9s period with SSE swell.
Best Forecast Surf Conditions for Niijima - Awaii this week:
The surf forecast for Niijima - Awaii over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Aug 19) at 3AM. The primary swell is predicted to be 0.4m and 9s period with a secondary swell of 0.4m and 9s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Niijima - Awaii in the next 16 days are 2.2m 10s and forecast to arrive on Sunday (Aug 16) at 12PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.1m 10s period and expected on Sunday (Aug 16) at 9AM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Wed 19th Aug) | 1.5ft (0.4m) 9s |
| Best Surf | 3AM (Wed 19th Aug) | 1.5ft (0.4m) 9s |
| Most Powerful | 12PM (Sun 16th Aug) | 7ft (2.2m) 10s |
Table - best surf conditions forecast for Niijima - Awaii over the next 16 days.
Short Range ForecastHeavy rain (total 42mm), heaviest during Tue night. Warm (max 27°C on Tue night, min 25°C on Wed night). Mainly fresh winds. | Days 5-7 Weather SummaryHeavy rain (total 30mm), heaviest during Fri night. Warm (max 27°C on Fri night, min 24°C on Sun night). Winds decreasing (fresh winds from the NE on Sat night, light winds from the ESE by Mon afternoon). | ||||||||||||||||||
Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | ||||||||||||||
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) | SW 10 | SSW 11 | SW 10 | E 9 | E 10 | SSW 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | SSW 9 | E 10 | E 10 | E 10 | SSW 9 | SSW 9 |
Wave Graph  | |||||||||||||||||||
 kJ | 836 | 300 | 248 | 217 | 319 | 164 | 467 | 458 | 400 | 440 | 535 | 612 | 593 | 65 | 968 | 873 | 618 | 68 | 42 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | on | on | cross-on | cross | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | on | cross-on |
High Tide | 3:46AM1.54m | 5:55PM1.56m | 4:35AM1.60m | 6:18PM1.58m | 5:19AM1.65m | 6:40PM1.59m | 6:00AM1.66m | 7:02PM1.58m | 6:42AM1.64m | 7:24PM1.57m | 7:23AM1.58m | 7:45PM1.56m | |||||||
Low Tide | 10:40PM1.06m | 10:54AM0.14m | 11:12PM0.96m | 11:30AM0.13m | 11:43PM0.85m | 12:04PM0.17m | 00:15AM0.74m | 12:36PM0.25m | 00:47AM0.65m | 1:06PM0.37m | 1:21AM0.58m | 1:35PM0.51m | 1:58AM0.53m | ||||||
 |  | | |  | | | |  | | |  | | | |  |  | | | |
 | — | 5:00 | — | — | 5:01 | — | — | 5:01 | — | — | 5:03 | — | — | 5:03 | — | — | 5:03 | — | — |
 | 6:35 | — | 6:34 | — | — | 6:32 | — | — | 6:31 | — | — | 6:30 | — | — | 6:30 | — | — | 6:29 | — |
mm | 16 | 3 | 7 | 8 | — | 1 | 5 | 1 | 1 | 22 | 5 | — | 3 | — | — | — | — | — | — |
Temp °C | 27 | 27 | 27 | 26 | 26 | 27 | 27 | 26 | 27 | 27 | 27 | 27 | 26 | 25 | 26 | 26 | 25 | 25 | 25 |
Feels °C | 25 | 26 | 27 | 26 | 26 | 28 | 28 | 25 | 27 | 28 | 27 | 26 | 25 | 23 | 26 | 25 | 27 | 27 | 27 |
Swell 1 Height (m) Direction Period (s) | ENE 12 | SSW 11 | SW 10 | E 9 | E 10 | ENE 10 | E 10 | E 10 | E 10 | E 10 | SSW 10 | SSW 10 | SSW 9 | SSW 9 | E 10 | E 10 | E 10 | E 9 | ENE 9 |
| kJ | 648 | 300 | 248 | 217 | 319 | 454 | 467 | 458 | 400 | 440 | 140 | 132 | 92 | 65 | 968 | 873 | 618 | 459 | 344 |
Swell 2 Height (m) Direction Period (s) | ESE 13 | E 10 | E 10 | SSW 10 | SSW 10 | SSW 10 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSE 10 | SE 12 | SE 12 | SE 12 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 |
| kJ | 16 | 208 | 188 | 175 | 171 | 164 | 108 | 106 | 106 | 68 | 11 | 6 | 22 | 21 | 69 | 94 | 71 | 68 | 42 |
Swell 3 Height (m) Direction Period (s) | SE 13 | W 5 | E 7 | SSW 6 | — | SW 6 | S 12 | SE 11 | SE 11 | S 12 | SE 14 | SE 10 | SE 18 | WSW 9 | SW 9 | SE 11 | SE 11 | SE 11 | SW 9 |
| kJ | 7 | 28 | 57 | 25 | — | 5 | 24 | 20 | 18 | 67 | 7 | 4 | 12 | 8 | 12 | 19 | 19 | 19 | 26 |
Wind waves Height (m) Direction Period (s) | SW 10 | E 2 | S 5 | E 5 | NE 4 | — | — | NE 4 | ENE 4 | — | E 10 | E 10 | E 10 | ENE 10 | N 4 | — | — | — | — |
| kJ | 836 | 2 | 31 | 34 | 19 | — | — | 10 | 32 | — | 535 | 612 | 593 | 784 | 5 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 104 | 41 | 41 | 88 | 77 | 77 | 77 | 77 | 41 | 95 | 87 | 41 | 77 | 77 | 41 | 71 | 41 | 41 | 44 |
Best forecast wave conditions in Izu Islands | |||||||||||||||||||
Best forecast wave conditions in Japan | |||||||||||||||||||
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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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