Surf Forecasts:
Nunoshima surf forecast from 20 Jul 2026:
- Best quality surf: Tuesday 28 Jul, 3AM (local time) - 4.5ft (1.4m), 11s period, S swell with cross-offshore winds.
- Most powerful swell: Tuesday 28 Jul, 3AM (local time) - 4.5ft (1.4m), 11s period, S swell with 451 kJ wave energy.
- Next surfable swell (1★+): Friday 24 Jul, 12AM (local time) - 0.5ft (0.2m), 18s period with SSE swell.
Best Forecast Surf Conditions for Nunoshima this week:
The surf forecast for Nunoshima over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Jul 24) at 12AM. The primary swell is predicted to be 0.2m and 18s period with a secondary swell of 0.3m and 4s. Another secondary swell of 0.3m and 10s is also forecast. Another secondary swell of 0.5m and 4s is also forecast. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Nunoshima in the next 16 days are 1.4m 11s and forecast to arrive on Tuesday (Jul 28) at 3AM. Winds are predicted to be cross-offshore at the time the swell arrives.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12AM (Fri 24th Jul) | 0.5ft (0.2m) 18s |
| Best Surf | 3AM (Tue 28th Jul) | 4.5ft (1.4m) 11s |
| Most Powerful | 3AM (Tue 28th Jul) | 4.5ft (1.4m) 11s |
Table - best surf conditions forecast for Nunoshima over the next 16 days.
Short Range ForecastModerate rain (total 10mm), heaviest on Thu afternoon. Warm (max 31°C on Tue morning, min 27°C on Mon night). Wind will be generally light. | Days 5-7 Weather SummaryHeavy rain (total 26mm), heaviest during Sun afternoon. Warm (max 31°C on Fri morning, min 26°C on Sat night). Wind will be generally light. | ||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | ||||||||||||||
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) | SSE 8 | SE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSW 4 | SE 10 | SE 10 | SSE 18 | SSE 18 | SSE 18 | SE 16 | SE 16 | SE 16 | SE 16 | S 12 | S 10 | S 10 |
Wave Graph  | |||||||||||||||||||
 kJ | 7 | 11 | 6 | 6 | 6 | 6 | 6 | 15 | 15 | 31 | 31 | 30 | 42 | 66 | 65 | 62 | 42 | 104 | 120 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | cross-on | glassy | cross | cross-on | glassy | glassy | cross | glassy | glassy | cross-on | glassy | cross-off | cross | off | cross-off | cross | off |
High Tide | 9:39PM1.74m | 10:05AM1.55m | 10:15PM1.70m | 11:22AM1.44m | 10:58PM1.65m | 1:13PM1.39m | 11:56PM1.62m | 3:12PM1.46m | 1:11AM1.61m | 4:22PM1.58m | 2:27AM1.65m | 5:07PM1.69m | |||||||
Low Tide | 4:00AM0.73m | 3:56PM0.85m | 5:00AM0.72m | 4:43PM1.03m | 6:15AM0.69m | 5:52PM1.19m | 7:39AM0.62m | 7:41PM1.28m | 8:53AM0.50m | 9:16PM1.27m | 9:51AM0.38m | 10:17PM1.21m | |||||||
 |  |  |  |  | | |  | | | | | | | | | | | | |
 | — | 5:05 | — | — | 5:05 | — | — | 5:05 | — | — | 5:07 | — | — | 5:07 | — | — | 5:07 | — | — |
 | 7:10 | — | 7:09 | — | — | 7:08 | — | — | 7:08 | — | — | 7:07 | — | — | 7:07 | — | — | 7:07 | — |
mm | — | — | 2 | 1 | 1 | 2 | 1 | — | 3 | 1 | — | 8 | — | 1 | 5 | 2 | 3 | 6 | — |
Temp °C | 28 | 31 | 31 | 28 | 30 | 31 | 28 | 31 | 31 | 28 | 31 | 30 | 28 | 31 | 31 | 28 | 29 | 28 | 27 |
Feels °C | 34 | 36 | 36 | 33 | 35 | 36 | 33 | 35 | 35 | 33 | 36 | 35 | 33 | 36 | 36 | 32 | 33 | 33 | 31 |
Swell 1 Height (m) Direction Period (s) | SSE 8 | SE 8 | SSE 8 | SSE 8 | SSW 4 | SSE 8 | SE 11 | SE 10 | SE 10 | SSW 4 | SE 9 | SE 9 | SE 11 | SE 11 | SE 10 | SE 10 | S 12 | S 10 | S 10 |
| kJ | 7 | 11 | 6 | 6 | 1 | 6 | 4 | 15 | 15 | 3 | 14 | 14 | 41 | 40 | 35 | 35 | 42 | 104 | 120 |
Swell 2 Height (m) Direction Period (s) | ESE 7 | SSW 3 | SE 11 | SE 11 | SSE 8 | SE 10 | SE 7 | SSW 4 | S 8 | SE 10 | SSE 18 | SSE 18 | SE 16 | SE 16 | SE 16 | SE 16 | SE 10 | SE 10 | SE 11 |
| kJ | 5 | 1 | 5 | 4 | 6 | 4 | 2 | 1 | 1 | 16 | 31 | 30 | 42 | 66 | 65 | 62 | 35 | 39 | 40 |
Swell 3 Height (m) Direction Period (s) | SE 11 | SE 11 | SE 6 | S 7 | SE 11 | S 7 | S 8 | S 8 | SE 19 | SSE 18 | SSW 4 | SE 12 | S 7 | S 8 | S 8 | S 8 | SSW 4 | SE 15 | SE 14 |
| kJ | 5 | 5 | 1 | 1 | 4 | 1 | 1 | 5 | 15 | 31 | 2 | 5 | 4 | 4 | 5 | 5 | 3 | 55 | 53 |
Wind waves Height (m) Direction Period (s) | SSW 4 | — | — | SSW 4 | — | — | SSW 4 | — | SSW 4 | SW 4 | — | SSW 4 | SSW 3 | — | SSW 2 | SSW 4 | SW 4 | SSW 4 | SSW 4 |
| kJ | 4 | — | — | 5 | — | — | 6 | — | 2 | 7 | — | 2 | 2 | — | 1 | 8 | 7 | 10 | 7 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 53 | 53 | 977 | 53 | 53 | 375 | 259 | 29 | 412 | 0 | 2 | 34 | 0 | 0 | 4 | 0 | 0 | 4 | 0 |
Best forecast wave conditions in Shikoku | |||||||||||||||||||
Best forecast wave conditions in Japan | |||||||||||||||||||
Header Global | |||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Nunoshima surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Nunoshima Surf forecast
The above surf forecast table for Nunoshima provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Nunoshima can be found by selecting the local surf guide option on the grey menu. Our Nunoshima 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 (Nunoshima) 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 Nunoshima 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.
Nunoshima is 19 km (12 miles) from Anan. If you plan a holiday in Shikoku, look for hotels and other accommodation in Anan. Anan has rooms for a wide range of budgets as well as car hire and transport links.
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