Surf Forecasts:
Niijima - Awaii surf forecast from 20 Sep 2026:
- Best quality surf: Monday 21 Sep, 3PM (local time) - 20ft (6.0m), 13s period, SSE swell with onshore winds.
- Most powerful swell: Monday 21 Sep, 6PM (local time) - 30ft (9.0m), 14s period, SSE swell with 31,917 kJ wave energy.
- Next surfable swell (1★+): Monday 21 Sep, 3PM (local time) - 20ft (6.0m), 13s 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 Monday (Sep 21) at 3PM. The primary swell is predicted to be 6.0m and 13s period with a secondary swell of 4.0m and 13s. The wind is predicted to be onshore as the swell arrives.
The most powerful waves expected at Niijima - Awaii in the next 16 days are 9.0m 14s and forecast to arrive on Monday (Sep 21) at 6PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 5.5m 8s period and expected on Tuesday (Sep 22) at 12AM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3PM (Mon 21st Sep) | 20ft (6.0m) 13s |
| Best Surf | 3PM (Mon 21st Sep) | 20ft (6.0m) 13s |
| Most Powerful | 6PM (Mon 21st Sep) | 30ft (9.0m) 14s |
Table - best surf conditions forecast for Niijima - Awaii over the next 16 days.
Short Range ForecastHeavy rain (total 167mm), heaviest during Mon night. Warm (max 28°C on Mon morning, min 23°C on Sun morning). Winds decreasing (stormy winds from the E on Mon night, light winds from the W by Tue afternoon). | Days 4-6 Weather SummaryLight rain (total 6mm), mostly falling on Wed morning. Warm (max 25°C on Wed morning, min 22°C on Thu morning). Mainly strong winds. | ||||||||||||||||||||
Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | |||||||||||||||
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 12 | SE 11 | SSE 12 | SSE 13 | SSE 13 | SSW 13 | WSW 8 | SW 8 | S 7 | SSW 6 | SSW 6 | E 6 | ENE 5 | NE 5 | E 6 | E 9 | ENE 6 | E 10 | ENE 5 | ENE 5 | SSE 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2147 | 2106 | 3357 | 6813 | 13235 | 3113 | 1026 | 629 | 131 | 23 | 8 | 251 | 153 | 85 | 33 | 30 | 34 | 32 | 86 | 94 | 16 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | on | on | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 3:40PM1.32m | 9:20PM1.33m | 3:39PM1.40m | 00:34AM1.29m | 3:56PM1.46m | 2:19AM1.37m | 4:16PM1.51m | 3:22AM1.48m | 4:36PM1.54m | 4:11AM1.58m | 4:56PM1.57m | 4:54AM1.65m | 5:16PM1.60m | ||||||||
Low Tide | 5:58PM1.31m | 7:08AM0.51m | 8:52PM1.21m | 8:25AM0.46m | 9:25PM1.06m | 9:18AM0.42m | 9:54PM0.91m | 10:01AM0.39m | 10:22PM0.75m | 10:37AM0.41m | 10:51PM0.60m | 11:10AM0.45m | 11:20PM0.46m | ||||||||
 | |  |  | | |  | | |  |  | | | |  | | |  | | |  | |
 | 5:28 | — | — | 5:28 | — | — | 5:30 | — | — | 5:30 | — | — | 5:31 | — | — | 5:31 | — | — | 5:33 | — | — |
 | — | 5:44 | — | — | 5:42 | — | — | 5:40 | — | — | 5:38 | — | — | 5:37 | — | — | 5:36 | — | — | 5:35 | — |
mm | 31 | 14 | 33 | 5 | 21 | 59 | — | — | 4 | 2 | — | 2 | 2 | — | — | — | — | — | — | — | 3 |
Temp °C | 23 | 24 | 27 | 28 | 27 | 27 | 26 | 27 | 26 | 25 | 25 | 25 | 23 | 23 | 23 | 23 | 24 | 24 | 22 | 24 | 23 |
Feels °C | 18 | 19 | 27 | 26 | 23 | 22 | 24 | 30 | 24 | 21 | 21 | 21 | 20 | 20 | 21 | 21 | 23 | 23 | 18 | 21 | 17 |
Swell 1 Height (m) Direction Period (s) | SE 12 | SE 11 | SSE 12 | N 5 | S 13 | SSW 13 | S 9 | ENE 10 | S 7 | SSW 6 | SSW 6 | SSW 6 | E 9 | E 9 | E 6 | E 9 | E 8 | E 10 | E 10 | E 10 | SSE 9 |
| kJ | 2147 | 2106 | 3357 | 29 | 4947 | 3113 | 430 | 19 | 131 | 23 | 8 | 3 | 15 | 14 | 33 | 25 | 23 | 32 | 31 | 17 | 16 |
Swell 2 Height (m) Direction Period (s) | — | S 15 | E 12 | — | — | ESE 10 | ENE 10 | E 13 | W 6 | SSE 7 | SSW 8 | SSW 8 | SSE 8 | NE 9 | NE 9 | NE 8 | NE 9 | S 7 | SSE 8 | E 8 | S 11 |
| kJ | — | 213 | 75 | — | — | 1810 | 20 | 3 | 33 | 9 | 6 | 6 | 7 | 12 | 20 | 10 | 13 | 4 | 7 | 5 | 9 |
Swell 3 Height (m) Direction Period (s) | — | E 13 | E 12 | — | — | SSE 12 | NNE 6 | E 13 | ENE 10 | W 6 | SE 8 | E 12 | SSW 8 | S 8 | E 9 | SE 8 | S 7 | SE 8 | S 11 | S 10 | S 7 |
| kJ | — | 32 | 75 | — | — | 892 | 7 | 3 | 18 | 3 | 3 | 3 | 6 | 12 | 14 | 3 | 4 | 3 | 9 | 8 | 1 |
Wind waves Height (m) Direction Period (s) | NE 6 | NE 6 | NE 6 | SSE 13 | SSE 13 | WNW 8 | WSW 8 | SW 8 | ENE 3 | ENE 6 | ENE 6 | E 6 | ENE 5 | NE 5 | N 4 | NE 5 | ENE 6 | ENE 6 | ENE 5 | ENE 5 | ENE 6 |
| kJ | 297 | 266 | 237 | 6813 | 13235 | 4031 | 1026 | 629 | 3 | 305 | 237 | 251 | 153 | 85 | 2 | 30 | 34 | 87 | 86 | 94 | 253 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 500 | 105 | 516 | 516 | 480 | 438 | 44 | 0 | 95 | 104 | 1343 | 77 | 88 | 101 | 155 | 155 | 155 | 132 | 101 | 101 | 422 |
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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