Surf Forecasts:
How big are the waves at Katahama today (13 Aug):
- Evening surf: Evening surf (13 Aug, local time) - 2ft (0.6m), 10s period with E swell.
The current surf forecast for Katahama at 12AM is: 0.8m 5s primary swell from a East direction (forecast issued at 08:00pm August 12). An open ocean swell of 0.8m 10s is not directed at the surf break, a second open ocean swell of 0.7m 10s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Aug) | - | - |
| Afternoon (13 Aug) | - | - |
| Evening (13 Aug) | 2ft (0.6m) | 10s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 6mm), mostly falling on Fri night. Warm (max 29°C on Thu afternoon, min 24°C on Thu night). Wind will be generally light. | ||||||||||||||||||
Wed 12 | Thursday 13 | Friday 14 | ||||||||||||||||
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) | E 10 | E 10 | E 5 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 11 | E 11 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 |
Wave Graph  | ||||||||||||||||||
 kJ | 66 | 66 | 37 | 60 | 81 | 85 | 87 | 113 | 123 | 178 | 178 | 257 | 252 | 252 | 300 | 168 | 352 | 345 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross | cross | cross | cross-on | on | on | cross | cross | cross-off | cross-off | cross | cross-on | on | cross-on | cross-on |
High Tide | 5:51PM1.64m | 4:58AM1.66m | 6:11PM1.68m | 5:35AM1.70m | 6:33PM1.72m | |||||||||||||
Low Tide | 11:35PM0.94m | 11:43AM0.31m | 00:01AM0.83m | 12:10PM0.34m | ||||||||||||||
 |  | |  |  |  | | | |  | | |  | | | | | | |
 | — | — | — | 5:05 | — | — | — | — | — | — | — | 5:05 | — | — | — | — | — | — |
 | 6:38 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — |
mm | 1 | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | 1 | 2 |
Temp °C | 27 | 26 | 25 | 25 | 25 | 26 | 28 | 29 | 28 | 26 | 25 | 25 | 24 | 27 | 29 | 29 | 28 | 27 |
Feels °C | 28 | 26 | 25 | 26 | 25 | 26 | 29 | 31 | 31 | 29 | 27 | 27 | 25 | 27 | 30 | 31 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | SSW 10 | SW 10 | SW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 9 | SSW 9 | E 11 | E 10 | E 10 | E 10 | SSW 9 | E 10 | SSW 9 | SSW 9 |
| kJ | 255 | 124 | 122 | 208 | 204 | 171 | 168 | 142 | 139 | 133 | 178 | 257 | 252 | 252 | 119 | 168 | 92 | 88 |
Swell 2 Height (m) Direction Period (s) | E 10 | SSW 10 | SSW 10 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 11 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSE 11 | SSW 9 | S 8 | S 12 |
| kJ | 66 | 102 | 102 | 60 | 81 | 85 | 87 | 113 | 123 | 178 | 133 | 130 | 130 | 119 | 12 | 116 | 12 | 25 |
Swell 3 Height (m) Direction Period (s) | SE 13 | E 10 | S 5 | S 5 | S 5 | S 6 | SSW 6 | SSW 5 | SE 12 | S 12 | S 12 | S 12 | SSE 11 | SSE 11 | SE 16 | SSE 11 | SSE 11 | SE 11 |
| kJ | 6 | 66 | 18 | 19 | 20 | 17 | 10 | 5 | 6 | 11 | 25 | 24 | 12 | 12 | 9 | 12 | 12 | 18 |
Wind waves Height (m) Direction Period (s) | E 4 | E 4 | E 5 | E 5 | E 4 | E 4 | E 4 | E 5 | E 4 | E 4 | E 4 | — | ENE 4 | E 4 | E 10 | E 5 | E 10 | E 10 |
| kJ | 15 | 18 | 37 | 25 | 19 | 18 | 19 | 21 | 18 | 12 | 7 | — | 10 | 13 | 300 | 37 | 352 | 345 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 112 | 103 | 103 | 103 | 103 | 13 | 13 | 150 | 104 | 103 | 13 | 2 | 2 | 13 | 150 | 150 | 150 | 103 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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