Surf Forecasts:
How big are the waves at Katahama today (19 Aug):
- Morning surf: Morning surf (19 Aug, local time) - 2.5ft (0.7m), 7s period with ESE swell.
- Afternoon surf: Afternoon surf (19 Aug, local time) - 2ft (0.6m), 7s period with ESE swell.
- Evening surf: Evening surf (19 Aug, local time) - 1.5ft (0.4m), 10s period with SE swell.
The current surf forecast for Katahama at 4AM is: 0.7m 7s primary swell from a East-southeast direction (forecast issued at 08:00pm August 18). An open ocean swell of 0.3m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Aug) | 2.5ft (0.7m) | 7s |
| Afternoon (19 Aug) | 2ft (0.6m) | 7s |
| Evening (19 Aug) | 1.5ft (0.4m) | 10s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Thu afternoon, min 25°C on Tue night). Wind will be generally light. | ||||||||||||||||||
Tue 18 | Wednesday 19 | Thursday 20 | ||||||||||||||||
6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||
Wave Height (m) Direction Period (s) | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 |
Wave Graph  | ||||||||||||||||||
 kJ | 36 | 62 | 59 | 56 | 42 | 41 | 40 | 29 | 27 | 25 | 25 | 25 | 27 | 30 | 30 | 30 | 30 | 30 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | cross-off | cross | cross-on | on | cross-on | cross-on | glassy | glassy | glassy | glassy | on | cross-on | cross-on | cross-on | glassy |
High Tide | 8:26PM1.70m | 9:17AM1.38m | 9:00PM1.63m | 10:43AM1.25m | ||||||||||||||
Low Tide | 3:13AM0.59m | 2:45PM0.89m | 4:14AM0.62m | 3:23PM1.06m | ||||||||||||||
 |  | | |  | | | | | | | | | | | | |  | |
 | — | — | — | 5:09 | — | — | — | — | — | — | — | 5:09 | — | — | — | — | — | — |
 | 6:31 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 26 | 26 | 25 | 25 | 26 | 27 | 27 | 27 | 26 | 26 | 25 | 25 | 27 | 27 | 28 | 27 | 26 |
Feels °C | 30 | 29 | 30 | 29 | 28 | 29 | 29 | 29 | 30 | 30 | 31 | 29 | 29 | 30 | 29 | 31 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | SSW 8 | S 8 | S 8 |
| kJ | 36 | 62 | 59 | 56 | 42 | 41 | 40 | 29 | 27 | 23 | 15 | 15 | 15 | 16 | 16 | 24 | 35 | 51 |
Swell 2 Height (m) Direction Period (s) | E 8 | SSW 8 | SE 10 | SSW 8 | SSW 8 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 11 | SSW 9 | ESE 6 | ESE 6 | ESE 6 |
| kJ | 21 | 12 | 16 | 12 | 11 | 16 | 25 | 25 | 25 | 25 | 25 | 25 | 27 | 30 | 26 | 14 | 14 | 13 |
Swell 3 Height (m) Direction Period (s) | SSW 8 | SW 8 | SSW 8 | SE 10 | SE 10 | SW 9 | SW 9 | SSW 8 | SW 9 | SW 9 | SW 9 | SW 9 | SW 9 | SSW 8 | SE 11 | SE 11 | SE 11 | SE 11 |
| kJ | 12 | 10 | 12 | 16 | 16 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 6 | 30 | 30 | 30 | 30 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 208 | 13 | 13 | 13 | 13 | 13 | 208 | 208 | 208 | 208 | 6 | 6 | 6 | 150 | 208 | 208 | 208 | 2 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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