Surf Forecasts:
Niijima - Awaii surf forecast from 16 Sep 2026:
- Most powerful swell: Monday 21 Sep, 12AM (local time) - 16ft (5.0m), 13s period, SE swell with 7,974 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 5.0m 13s and forecast to arrive on Monday (Sep 21) 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 4.0m 8s period and expected on Sunday (Sep 20) at 6PM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 12AM (Mon 21st Sep) | 16ft (5.0m) 13s |
Table - best surf conditions forecast for Niijima - Awaii over the next 16 days.
Short Range ForecastHeavy rain (total 73mm), heaviest during Wed afternoon. Warm (max 23°C on Wed morning, min 20°C on Thu night). Winds increasing (moderate winds from the NNE on Wed afternoon, gales from the NNE by Fri morning). | Days 4-6 Weather SummaryHeavy rain (total 143mm), heaviest during Sun morning. Warm (max 27°C on Mon afternoon, min 22°C on Sat morning). Winds decreasing (stormy winds from the N on Sun night, light winds from the E by Mon afternoon). | ||||||||||||||||||||
Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | |||||||||||||||
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) | SE 8 | SE 8 | NNE 5 | E 12 | SE 9 | ENE 8 | SSE 12 | SE 18 | SE 14 | ESE 13 | ESE 13 | E 12 | ESE 10 | ESE 10 | SE 13 | SE 12 | E 10 | W 7 | NE 5 | NE 5 | ENE 5 |
Wave Graph  | |||||||||||||||||||||
 kJ | 60 | 48 | 88 | 104 | 3 | 0 | 14 | 108 | 2171 | 3247 | 4087 | 4764 | 1175 | 1027 | 7974 | 1037 | 561 | 138 | 35 | 41 | 78 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross-on |
High Tide | 7:15PM1.60m | 8:52AM1.40m | 7:37PM1.56m | 10:02AM1.28m | 8:01PM1.51m | 12:28PM1.23m | 8:28PM1.43m | 3:40PM1.32m | 9:20PM1.33m | 3:39PM1.40m | 00:34AM1.29m | 3:56PM1.46m | 2:19AM1.37m | ||||||||
Low Tide | 1:30PM0.85m | 2:07AM0.35m | 1:53PM0.98m | 2:54AM0.40m | 2:14PM1.11m | 3:55AM0.46m | 2:21PM1.22m | 5:24AM0.52m | 5:58PM1.31m | 7:08AM0.51m | 8:52PM1.21m | 8:25AM0.46m | 9:25PM1.06m | ||||||||
 | |  |  | |  | | | |  |  |  |  | |  | |  |  | |  | | |
 | 5:24 | — | — | 5:26 | — | — | 5:26 | — | — | 5:28 | — | — | 5:28 | — | — | 5:28 | — | — | 5:30 | — | — |
 | — | 5:49 | — | — | 5:47 | — | — | 5:45 | — | — | 5:45 | — | — | 5:44 | — | — | 5:42 | — | — | 5:40 | — |
mm | 17 | 49 | 7 | — | — | — | — | — | — | — | 2 | 25 | 51 | 21 | 43 | 1 | — | — | — | 1 | 3 |
Temp °C | 23 | 23 | 23 | 21 | 22 | 21 | 21 | 21 | 22 | 23 | 24 | 23 | 23 | 23 | 26 | 26 | 27 | 27 | 25 | 25 | 25 |
Feels °C | 24 | 24 | 21 | 15 | 16 | 14 | 11 | 12 | 14 | 16 | 18 | 15 | 14 | 14 | 22 | 23 | 29 | 28 | 22 | 23 | 24 |
Swell 1 Height (m) Direction Period (s) | E 13 | ENE 13 | ENE 12 | E 12 | SE 9 | — | SSE 12 | SE 18 | SE 14 | ESE 13 | ESE 13 | — | ESE 10 | ESE 10 | SE 13 | E 10 | E 10 | W 7 | SSW 5 | SE 7 | ENE 9 |
| kJ | 350 | 282 | 195 | 104 | 3 | — | 14 | 108 | 2171 | 3247 | 4087 | — | 1175 | 1024 | 7974 | 976 | 561 | 138 | 15 | 27 | 28 |
Swell 2 Height (m) Direction Period (s) | SE 8 | SE 8 | SE 8 | — | — | — | — | SE 11 | — | — | — | — | SE 11 | SSE 11 | — | SE 12 | SE 10 | ENE 10 | E 10 | E 9 | SE 7 |
| kJ | 60 | 48 | 63 | — | — | — | — | 19 | — | — | — | — | 713 | 1027 | — | 1037 | 106 | 123 | 49 | 43 | 12 |
Swell 3 Height (m) Direction Period (s) | SSW 5 | NNE 4 | E 16 | — | — | — | — | — | — | — | — | — | — | — | — | NNE 6 | N 5 | SE 9 | SSE 8 | SSW 5 | SSW 5 |
| kJ | 17 | 5 | 5 | — | — | — | — | — | — | — | — | — | — | — | — | 64 | 2 | 77 | 23 | 10 | 2 |
Wind waves Height (m) Direction Period (s) | NNE 3 | — | NNE 5 | NE 7 | ENE 8 | ENE 8 | NE 8 | NE 9 | NE 8 | NE 8 | NE 7 | E 12 | NE 6 | NNE 7 | NNE 8 | W 6 | WSW 7 | NE 3 | NE 5 | NE 5 | ENE 5 |
| kJ | 2 | — | 88 | 471 | 691 | 1289 | 1774 | 1892 | 1387 | 1318 | 483 | 4764 | 456 | 1115 | 1823 | 263 | 192 | 5 | 35 | 41 | 78 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 77 | 77 | 101 | 101 | 101 | 422 | 438 | 192 | 192 | 192 | 500 | 459 | 459 | 192 | 103 | 44 | 3 | 77 | 77 | 192 | 745 |
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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