Surf Forecasts:
How big are the waves at Katahama today (14 Aug):
- Morning surf: Morning surf (14 Aug, local time) - 0.5ft (0.2m), 11s period with SSE swell.
- Afternoon surf: Afternoon surf (14 Aug, local time) - 4.5ft (1.4m), 10s period with E swell.
- Evening surf: Evening surf (14 Aug, local time) - 3ft (0.9m), 10s period with E swell.
The current surf forecast for Katahama at 12AM is: 0.9m 11s primary swell from a East direction and 0.7m 4s secondary swell from a East direction (forecast issued at 08:00pm August 13). An open ocean swell of 0.9m 9s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Aug) | 0.5ft (0.2m) | 11s |
| Afternoon (14 Aug) | 4.5ft (1.4m) | 10s |
| Evening (14 Aug) | 3ft (0.9m) | 10s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 9mm), mostly falling on Thu night. Warm (max 29°C on Fri morning, min 25°C on Thu night). Wind will be generally light. | ||||||||||||||||||
Thu 13 | Friday 14 | Saturday 15 | ||||||||||||||||
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 11 | E 11 | E 10 | E 10 | SSE 11 | SSE 11 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | ESE 10 | ESE 10 | ESE 10 |
Wave Graph  | ||||||||||||||||||
 kJ | 318 | 141 | 178 | 216 | 252 | 12 | 12 | 408 | 408 | 165 | 162 | 159 | 377 | 426 | 431 | 386 | 386 | 363 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross | cross | cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | on | on | cross-on |
High Tide | 6:11PM1.68m | 5:35AM1.70m | 6:33PM1.72m | 6:13AM1.71m | 6:57PM1.75m | |||||||||||||
Low Tide | 00:01AM0.83m | 12:10PM0.34m | 00:30AM0.73m | 12:39PM0.39m | ||||||||||||||
 |  | |  |  |  | | | | | |  | | | | | | | |
 | — | — | — | 5:05 | — | — | — | — | — | — | — | 5:05 | — | — | — | — | — | — |
 | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:36 | — |
mm | 3 | 2 | 1 | — | — | — | — | 1 | 1 | 1 | 1 | — | — | — | — | — | — | 1 |
Temp °C | 27 | 26 | 26 | 25 | 25 | 27 | 29 | 28 | 28 | 26 | 26 | 25 | 25 | 27 | 29 | 28 | 27 | 26 |
Feels °C | 29 | 28 | 27 | 26 | 26 | 27 | 30 | 30 | 30 | 28 | 27 | 26 | 25 | 27 | 30 | 29 | 28 | 27 |
Swell 1 Height (m) Direction Period (s) | SSW 9 | SSW 9 | E 11 | E 10 | E 10 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | E 10 | E 10 | E 10 | SSW 11 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 9 |
| kJ | 139 | 133 | 178 | 216 | 252 | 119 | 119 | 116 | 113 | 165 | 162 | 159 | 167 | 149 | 143 | 137 | 103 | 94 |
Swell 2 Height (m) Direction Period (s) | SE 12 | E 11 | SSW 9 | SSW 9 | SSW 9 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSW 9 | SSW 9 | SSW 9 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SE 10 |
| kJ | 6 | 141 | 133 | 130 | 130 | 12 | 12 | 12 | 12 | 88 | 88 | 68 | 22 | 13 | 13 | 13 | 13 | 24 |
Swell 3 Height (m) Direction Period (s) | S 12 | S 12 | S 12 | S 12 | SSE 11 | SE 16 | SE 16 | SE 15 | SE 15 | S 12 | S 11 | S 11 | SE 11 | SE 10 | SE 10 | SSE 10 | SSE 10 | ESE 11 |
| kJ | 11 | 11 | 25 | 24 | 12 | 10 | 9 | 9 | 9 | 25 | 40 | 60 | 18 | 17 | 16 | 10 | 10 | 11 |
Wind waves Height (m) Direction Period (s) | E 10 | E 5 | E 4 | ENE 4 | NE 3 | E 10 | E 10 | E 10 | E 10 | E 5 | E 4 | E 4 | E 10 | E 10 | E 10 | ESE 10 | ESE 10 | ESE 10 |
| kJ | 318 | 41 | 17 | 10 | 5 | 302 | 410 | 408 | 408 | 43 | 31 | 28 | 377 | 426 | 431 | 386 | 386 | 363 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 355 | 103 | 13 | 13 | 13 | 13 | 150 | 382 | 104 | 103 | 13 | 13 | 103 | 138 | 85 | 104 | 355 | 355 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Katahama 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.
Nearest