Oshima - Sunanohama
Surf spot · Japan
Is it worth the trip?
33Poor out of 100 for your dates
Best on Tue 3: too small (3 ft swell at 9 s), 3 hours of offshore wind, sheltered (estimated): holds up in a blow
Tue 3 · 54 out of 100
- Swell
- 3 ft9 shollow
- Energy
- 143kJ
- Wind
- NE 14 kn
- Temp
- 20°C
Wed 4 · 44 out of 100
- Swell
- 4 ft7 shollow
- Energy
- 163kJ
- Wind
- NE 26 kn
- Temp
- 18°C
Thu 5 · 0 out of 100
- Swell
- 11 ft8 shollow
- Energy
- 1,334kJ
- Wind
- NNE 24 kn
- Temp
- 19°C
Fri 6 · 0 out of 100
- Swell
- 7 ft10 smushy
- Energy
- 761kJ
- Wind
- WSW 21 kn
- Temp
- 23°C
Sat 7 · 0 out of 100
- Swell
- 6 ft6 shollow
- Energy
- 238kJ
- Wind
- W 7 kn
- Temp
- 18°C
Sun 8 · 41 out of 100
- Swell
- 3 ft9 shollow
- Energy
- 105kJ
- Wind
- ENE 13 kn
- Temp
- 16°C
Mon 9 · 30 out of 100
- Swell
- 2 ft8 shollow
- Energy
- 68kJ
- Wind
- NE 19 kn
- Temp
- 14°C
Tap a day for waves, wind and the temperature. Full forecast
Forecast: next 10 days
Full forecast- Tue 354, fair
- Wed 444, poor
- Thu 50, too big
- Fri 60, too big
- Sat 70, too big
- Sun 841, too small
- Mon 930, too small
- Tue 1043, poor
- Wed 1153, fair
- Thu 1266, good
The spot in five facts
- Faces SWtakes swell from the SW
- Offshore: NEwind from the land
- Intermediate +who it suits
- Works 3–13 ftof swell
- Water 23 °C2 mm shorty
Full forecast
every day, every number
The score doesn't know rips, currents, rocks or your skill.
| Day | Score for intermediates | Swell | Energy | Wind | Temp |
|---|---|---|---|---|---|
| Tue 3Nov | 54, fair | 3 ft9 shollow3 ft at break (est.) | 143kJ | offshorewind from the north-east, 14 knots, offshore | 20°C |
| Wed 4Nov | 44, poor | 4 ft7 shollowunder 1 ft at break (est.) | 163kJ | offshorewind from the north-east, 26 knots, offshore | 18°C |
| Thu 5Nov | 0, too big | 11 ft8 shollow5 ft at break (est.) | 1,334kJ | wind from the north-north-east, 24 knots | 19°C |
| Fri 6Nov | 0, too big | 7 ft10 smushy7 ft at break (est.) | 761kJ | wind from the west-south-west, 21 knots | 23°C |
| Sat 7Nov | 0, too big | 6 ft6 shollow6 ft at break (est.) | 238kJ | wind from the west, 7 knots | 18°C |
| Sun 8Nov | 41, too small | 3 ft9 shollowunder 1 ft at break (est.) | 105kJ | offshorewind from the east-north-east, 13 knots, offshore | 16°C |
| Mon 9Nov | 30, too small | 2 ft8 shollowunder 1 ft at break (est.) | 68kJ | offshorewind from the north-east, 19 knots, offshore | 14°C |
| Tue 10Nov | 43, poor | 5 ft8 shollowunder 1 ft at break (est.) | 210kJ | offshorewind from the north-north-east, 24 knots, offshore | 14°C |
| Wed 11Nov | 53, fair | 4 ft7 shollowunder 1 ft at break (est.) | 129kJ | offshorewind from the north-north-east, 19 knots, offshore | 14°C |
| Thu 12Nov | 66, good | 4 ft7 shollowunder 1 ft at break (est.) | 140kJ | offshorewind from the north-north-east, 17 knots, offshore | 15°C |
Energy is the swell's power, in kJ per metre of wave. Wind is in knots, the arrow where it blows to; green is offshore. More
Tide
- Tue 3 NovLow 05:12 −0.5 mHigh 13:08 +0.4 mLow 19:07 +0.0 mHigh 23:50 +0.2 m
- Wed 4 NovLow 06:34 −0.4 mHigh 13:44 +0.4 mLow 19:57 −0.2 m
- Thu 5 NovHigh 01:37 +0.3 mLow 07:39 −0.3 mHigh 14:13 +0.5 mLow 20:35 −0.4 m
Local clock times; heights about mean sea level. On open coasts the times are usually within a quarter of an hour; in bays, estuaries and on the Gulf of Mexico they can be an hour or more out. Tide: EOT20 global ocean tide model, Hart-Davis et al. 2021, DGFI-TUM (doi:10.17882/79489), CC BY 4.0. Times and heights computed by us. A model, not a tide table: check a local table before you go.
Forecast updated . It refreshes every three hours. Forecast data: ECMWF, DWD, Météo-France and NOAA, served by Open-Meteo.com (CC BY 4.0). Changed by us. Generated using E.U. Copernicus Marine Service Information.
Best time to go
No month stands out
Good days in a typical week, each month, for intermediate surfers, from 2016 on (history scored the same way).
- Jan1of 7: a trip from Sat 2 Jan
- Feb0of 7: a trip from Sat 6 Feb
- Mar0of 7: a trip from Sat 6 Mar
- Apr0of 7: a trip from Sat 3 Apr
- May1of 7: a trip from Sat 1 May
- Jun1of 7: a trip from Sat 5 Jun
- Jul1of 7: a trip from Sat 3 Jul
- Aug1of 7: a trip from Sat 7 Aug
- Sep1of 7: a trip from Sat 4 Sept
- Oct1of 7: a trip from Sat 2 Oct
- Nov1of 7: a trip from Wed 4 Nov
- Dec0of 7: a trip from Sat 5 Dec
Tap a month to see this spot for a trip then.
Typical, not a forecast.
Map
the spot and its town
Oshima - Sunanohama on Google Maps · Directions
Each place wears its best day on these dates, a surf spot for intermediates: green good, amber fair, pale red poor, as the key says.
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More surf near here
1 place
- Keta Reef - Oshima 5.5 km away
About
the place in full, sources, credits
About Oshima - Sunanohama
Facing, offshore wind, exposure, level and swell range are estimated.
The spot faces SW (206°), so it takes swell from the SW. The wind blows offshore from the NE (26°). It is sheltered to the open swell. It suits intermediate surfers and up, because of a steep sea floor. It works in 3–13 ft of swell. The sea floor shelves very steeply: 10 m deep about 100 m out (1 in 10). On a typical 5 ft, 11 s swell the waves here would break hollow. The sea is about 18°C in February, its coldest month (2 mm shorty), and 27°C in August, its warmest (no wetsuit). The town to stay in is Ōshima, 6.3 km away (16 min by car).
Water about 23°C: 2 mm shorty. Typical sea temperature for the time of year, not a forecast.
The score is the conditions only: the journey, the price and the partners never change it (how we score, how we earn).
Rough cost (estimate): about US$1,290–US$2,480 each
about US$1,290–US$2,480 each · 6 nights, 2 sharing: flights, hire car, stay, food, board and wetsuit.
Our estimate from typical public prices, not a quote: check the real prices before you book (where they come from). Prices are about, in US Dollar (USD): our pound figures at the European Central Bank's rate of 2 November 2026.
How we worked it out
| What | How we worked it out | Each |
|---|---|---|
| Flights | return ORD to HND, estimated from distance and season, 3 airlines on the route, with a hold bag | about US$658–US$1,370 |
| Hire car | 6 days, shared | about US$107–US$174 |
| Stay | 6 nights, a mid-range double, shared | about US$208–US$349 |
| Food | 7 days eating out | about US$235–US$443 |
| Board and wetsuit | 5 days, or about US$114 to fly your own | about US$87–US$141 |
| Total | about US$1,290–US$2,480 |
For 2 people sharing a room. Lessons, lift-pass deals and insurance are extra. Prices from public sources, checked in 2026.
Where to stay: Ōshima
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16 min by car · 28 places to stay
about US$81/nightcountry average
About Ōshima its beds, food and every spot near it
About US$81 a night is our estimate of the country's average 2-star double room that month: not each town's price, and not a quote. Drives are estimates. Prices are about, in US Dollar (USD): our pound figures at the European Central Bank's rate of 2 November 2026.
Getting there: about 19h 20m
About 19h 20m door to door from Chicago
Fly ORD → HND, direct, then 2h by road
Flights ORD → HND on your dates · AviasalesAdeSIM for your phone · Search on AiraloAd
An estimate, one way; the journey never changes the score.
Saved: this link opens the same trip
The link holds the trip itself: nothing about you is kept. Check the forecast again before you book.