Surf Forecasts:
Niijima - Awaii surf forecast from 25 Aug 2026:
- Best quality surf: Thursday 27 Aug, 9PM (local time) - 4.5ft (1.3m), 10s period, SW swell with cross-offshore winds.
- Most powerful swell: Tuesday 25 Aug, 9PM (local time) - 5.5ft (1.7m), 13s period, S swell with 903 kJ wave energy.
- Next surfable swell (1★+): Thursday 27 Aug, 3PM (local time) - 2.5ft (0.8m), 13s period with E 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 Thursday (Aug 27) at 3PM. The primary swell is predicted to be 0.8m and 13s period with a secondary swell of 0.8m and 10s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Niijima - Awaii in the next 16 days are 1.7m 13s and forecast to arrive on Tuesday (Aug 25) at 9PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 6s period and expected on Friday (Aug 28) at 3PM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3PM (Thu 27th Aug) | 2.5ft (0.8m) 13s |
| Best Surf | 9PM (Thu 27th Aug) | 4.5ft (1.3m) 10s |
| Most Powerful | 9PM (Tue 25th Aug) | 5.5ft (1.7m) 13s |
Table - best surf conditions forecast for Niijima - Awaii over the next 16 days.
Short Range ForecastModerate rain (total 16mm), heaviest on Thu afternoon. Warm (max 28°C on Wed afternoon, min 25°C on Fri morning). Winds decreasing (fresh winds from the WSW on Wed night, calm by Thu afternoon). | Days 5-7 Weather SummaryModerate rain (total 13mm), heaviest on Fri night. Warm (max 27°C on Fri night, min 24°C on Sat afternoon). Winds decreasing (fresh winds from the WSW on Fri afternoon, light winds from the NE by Mon morning). | |||||||||||||||||||
Tue 25 | Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | ||||||||||||||
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) | S 12 | S 12 | SSW 12 | SSW 12 | SW 11 | SW 11 | E 13 | SW 10 | E 13 | E 12 | E 12 | E 12 | E 12 | SW 11 | E 11 | E 12 | E 12 | SW 9 | S 12 | S 11 |
Wave Graph  | ||||||||||||||||||||
 kJ | 948 | 797 | 422 | 438 | 273 | 258 | 222 | 334 | 206 | 146 | 139 | 99 | 98 | 134 | 94 | 96 | 101 | 125 | 132 | 143 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross | glassy | glassy |
High Tide | 5:04PM1.51m | 3:21AM1.49m | 5:24PM1.56m | 4:13AM1.58m | 5:46PM1.58m | 4:57AM1.65m | 6:06PM1.59m | 5:39AM1.69m | 6:27PM1.60m | 6:19AM1.68m | 6:48PM1.60m | 6:59AM1.64m | 7:08PM1.59m | |||||||
Low Tide | 10:17PM1.06m | 10:26AM0.22m | 10:47PM0.94m | 11:03AM0.21m | 11:17PM0.81m | 11:36AM0.24m | 11:47PM0.69m | 12:08PM0.30m | 00:17AM0.58m | 12:38PM0.41m | 00:49AM0.50m | 1:06PM0.53m | 1:24AM0.44m | |||||||
 |  | | |  |  | |  | |  |  |  |  |  | | | | | | | |
 | — | — | 5:11 | — | — | 5:11 | — | — | 5:11 | — | — | 5:13 | — | — | 5:13 | — | — | 5:13 | — | — |
 | 6:19 | — | — | 6:17 | — | — | 6:15 | — | — | 6:15 | — | — | 6:14 | — | — | 6:13 | — | — | 6:10 | — |
mm | — | — | — | — | — | 5 | 9 | 1 | 1 | — | 8 | 2 | 2 | 1 | — | — | — | — | — | — |
Temp °C | 27 | 27 | 27 | 28 | 28 | 27 | 27 | 28 | 26 | 26 | 27 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 27 | 27 |
Feels °C | 27 | 28 | 29 | 29 | 29 | 28 | 31 | 28 | 24 | 26 | 30 | 26 | 27 | 25 | 26 | 27 | 28 | 28 | 32 | 33 |
Swell 1 Height (m) Direction Period (s) | S 12 | S 12 | SSW 12 | SSW 12 | SW 11 | SW 11 | SW 10 | E 13 | E 13 | E 12 | E 12 | WSW 6 | SW 6 | SW 11 | SW 6 | SW 6 | E 12 | E 11 | S 12 | S 11 |
| kJ | 948 | 797 | 422 | 438 | 273 | 258 | 141 | 222 | 206 | 146 | 139 | 72 | 35 | 134 | 54 | 34 | 101 | 89 | 132 | 143 |
Swell 2 Height (m) Direction Period (s) | E 13 | E 13 | E 13 | E 12 | E 12 | S 11 | E 13 | S 9 | SW 9 | SSW 8 | WSW 13 | E 12 | E 12 | E 11 | E 11 | E 12 | SW 10 | S 11 | E 11 | E 12 |
| kJ | 222 | 212 | 153 | 141 | 98 | 81 | 222 | 58 | 65 | 24 | 33 | 99 | 98 | 88 | 94 | 96 | 48 | 66 | 89 | 98 |
Swell 3 Height (m) Direction Period (s) | SSW 15 | SSE 10 | SSE 9 | SSE 9 | SSE 8 | E 11 | S 10 | SE 10 | S 8 | SSE 9 | S 8 | WSW 11 | WSW 11 | SSW 8 | WSW 11 | ENE 5 | ENE 6 | ENE 7 | SW 9 | ENE 7 |
| kJ | 179 | 67 | 75 | 75 | 48 | 90 | 69 | 23 | 35 | 8 | 12 | 81 | 78 | 12 | 23 | 19 | 16 | 18 | 40 | 21 |
Wind waves Height (m) Direction Period (s) | WSW 10 | WSW 4 | WSW 4 | WSW 4 | SW 5 | SW 6 | SW 5 | SW 10 | SW 6 | SW 6 | WSW 6 | — | N 4 | NE 5 | ENE 5 | — | SW 5 | SW 9 | SW 5 | WSW 5 |
| kJ | 64 | 23 | 29 | 34 | 47 | 77 | 72 | 334 | 105 | 165 | 156 | — | 7 | 23 | 36 | — | 18 | 125 | 31 | 9 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 155 | 44 | 101 | 480 | 96 | 88 | 0 | 44 | 44 | 147 | 3 | 77 | 77 | 77 | 101 | 88 | 88 | 41 | 0 | 0 |
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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