Isonoura surf forecast, webcam & sea temperature
Updated 12 Oct, 14:00 UTC
Current conditions
Right now at Isonoura: 8 kts NE, gusts 13, 0.2 m waves, water 25 °C — flat.
7-day forecast
| Mon 12 | Tue 13 | Wed 14 | Thu 15 | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 09 | 12 | 15 | 18 | 21 | 00 | 03 | 06 | 09 | 12 | 15 | 18 | 21 | 00 | 03 | 06 | 09 | 12 | 15 | 18 | 21 | 00 | 03 | 06 | |
| Wind | 9 | 12 | 10 | 9 | 9 | 7 | 7 | 5 | 2 | 5 | 14 | 16 | 18 | 19 | 18 | 17 | 16 | 14 | 13 | 17 | 14 | 10 | 10 | 10 |
| Gusts | 15 | 18 | 17 | 9 | 16 | 12 | 11 | 8 | 6 | 14 | 22 | 22 | 20 | 22 | 24 | 13 | 20 | 25 | 26 | 22 | 25 | 18 | 18 | 20 |
| Direction | ↑ | ↑ | ↑ | ↑ | ↑ | ↑ | ↑ | ↑ | ↑ | ↑ | ↑ | ↑ | ↑ | ↑ | ↑ | ↑ | ↑ | ↑ | ↑ | ↑ | ↑ | ↑ | ↑ | ↑ |
| Waves | 0.2 | 0.2 | 0.2 | 0.2 | 0.3 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.5 | 0.7 | 0.7 | 0.7 | 0.5 | 0.4 | 0.6 | 0.6 | 0.6 | 0.6 | 0.5 | 0.4 | 0.4 |
| Temperature | 23 | 24 | 25 | 25 | 23 | 21 | 21 | 20 | 22 | 23 | 25 | 25 | 26 | 26 | 25 | 25 | 23 | 24 | 25 | 25 | 22 | 21 | 20 | 20 |
| Rain (mm) | 0.2 | 1.7 | 2.2 | |||||||||||||||||||||
Times shown in local time · Weather data by Open-Meteo.com
🔒 Days 4–7 are Pro — The free plan shows the first 3 forecast days. Go Pro to see the whole week.
Tides (next 48 h)
Spot info
- Town: Wakayama
- Water: Sea
- Sports: Surf
- Best wind directions: EESEENESE
A sandy beach at the northern edge of Wakayama City, facing west onto the Kii Channel, and the best-known surf spot in the Kansai region, about an hour from Osaka. It picks up wind swell from winter storms and typhoon swell in late summer and autumn, and an easterly wind is offshore. The waves are usually small and the line-up crowded; the nearby railway station brings surfers in by train.
Isonoura sea temperature
Today: 25 °C
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 12 | 10 | 11 | 15 | 18 | 22 | 27 | 28 | 28 | 24 | 21 | 16 |
Monthly mean sea surface temperature, 2023–2025.
Isonoura weather by month
Biggest average waves: May, June and July.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg wind (kts) | 8 | 9 | 8 | 7 | 8 | 6 | 7 | 7 | 6 | 7 | 7 | 8 |
| Days ≥12 kts | 33% | 33% | 29% | 22% | 23% | 14% | 17% | 13% | 8% | 15% | 22% | 28% |
| Waves (m) | 0.4 | 0.4 | 0.4 | 0.4 | 0.5 | 0.5 | 0.5 | 0.5 | 0.4 | 0.4 | 0.4 | 0.4 |
| Air high (°C) | 10 | 10 | 14 | 19 | 22 | 26 | 31 | 32 | 30 | 23 | 17 | 12 |
| Water (°C) | 12 | 10 | 11 | 15 | 18 | 22 | 27 | 28 | 28 | 24 | 21 | 16 |
Model averages, 2023–2025 (Open-Meteo). Wind is the daytime mean, 08:00–20:00; a day counts when it has 3 or more daytime hours at 12 knots or above.
Isonoura FAQ
- Is there a beach webcam at Isonoura?
- Yes. The live beach webcam for Isonoura is at the top of this page, next to the wind and wave forecast.
- What is the sea temperature at Isonoura?
- Today the water is 25 °C. Over the year it runs from 10 °C in February to 28 °C in August (2023–2025 average).
- When is the best time to surf at Isonoura?
- May, June and July have the biggest average waves, on the 2023–2025 average.
- What wind direction works at Isonoura?
- It works best in E, ESE, ENE, SE winds.





