Surf Forecasts:
How big are the waves at Katahama today (23 Sep):
- Morning surf: Morning surf (23 Sep, local time) - 4.5ft (1.3m), 5s period with ENE swell.
- Afternoon surf: Afternoon surf (23 Sep, local time) - 4ft (1.2m), 6s period with E swell.
- Evening surf: Evening surf (23 Sep, local time) - 3.5ft (1.0m), 6s period with E swell.
The current surf forecast for Katahama at 4AM is: 1.0m 4s primary swell from a East-northeast direction and 0.6m 7s secondary swell from a South direction, 0.2m 8s secondary swell from a South direction (forecast issued at 08:00pm September 22). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Sep) | 4.5ft (1.3m) | 5s |
| Afternoon (23 Sep) | 4ft (1.2m) | 6s |
| Evening (23 Sep) | 3.5ft (1.0m) | 6s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Tue night. Warm (max 26°C on Thu afternoon, min 22°C on Wed night). Wind will be generally light. | ||||||||||||||||||
Tue 22 | Wednesday 23 | Thursday 24 | ||||||||||||||||
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) | SSE 8 | SSE 8 | SSE 8 | SSE 7 | ENE 5 | ENE 5 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | ESE 6 | ESE 6 | E 9 |
Wave Graph  | ||||||||||||||||||
 kJ | 94 | 79 | 58 | 43 | 57 | 94 | 106 | 91 | 62 | 62 | 39 | 29 | 22 | 16 | 16 | 10 | 10 | 6 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | glassy | cross | cross-on | cross-on | cross-on | cross |
High Tide | 4:00PM1.58m | 3:16AM1.47m | 4:22PM1.63m | 3:59AM1.56m | 4:41PM1.67m | |||||||||||||
Low Tide | 10:02PM0.97m | 9:51AM0.54m | 10:27PM0.84m | 10:25AM0.54m | ||||||||||||||
 |  |  | |  | | |  | | | |  |  | | | | | | |
 | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:44 | — | — | — | — | — | — | — | 5:42 | — | — |
mm | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 25 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 24 | 25 | 26 | 25 | 24 |
Feels °C | 28 | 25 | 24 | 22 | 22 | 22 | 22 | 21 | 23 | 22 | 23 | 24 | 25 | 26 | 26 | 28 | 28 | 27 |
Swell 1 Height (m) Direction Period (s) | SSE 8 | SSE 8 | SSE 8 | SSE 7 | S 7 | S 7 | SSE 7 | SSE 7 | SSE 6 | SSE 6 | S 6 | SSE 8 | E 6 | E 6 | E 6 | ESE 6 | ESE 6 | WSW 4 |
| kJ | 94 | 79 | 58 | 43 | 36 | 24 | 15 | 15 | 8 | 8 | 7 | 14 | 22 | 16 | 16 | 10 | 10 | 14 |
Swell 2 Height (m) Direction Period (s) | W 5 | W 4 | W 4 | S 9 | SSW 8 | SSW 8 | SSW 8 | E 10 | E 10 | E 10 | E 10 | E 9 | SSE 8 | E 9 | E 9 | SSE 8 | E 9 | ESE 5 |
| kJ | 12 | 3 | 1 | 6 | 7 | 7 | 7 | 8 | 8 | 8 | 7 | 7 | 7 | 6 | 6 | 7 | 6 | 6 |
Swell 3 Height (m) Direction Period (s) | E 9 | E 9 | E 13 | W 4 | SE 9 | SE 9 | SE 9 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | E 9 | SSE 8 | E 9 |
| kJ | 7 | 7 | 3 | 1 | 3 | 3 | 3 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 6 |
Wind waves Height (m) Direction Period (s) | E 3 | E 4 | E 4 | E 4 | ENE 5 | ENE 5 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | — | — | — | SW 3 | WSW 4 | W 4 |
| kJ | 2 | 9 | 12 | 34 | 57 | 94 | 106 | 91 | 62 | 62 | 39 | 29 | — | — | — | 5 | 13 | 15 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 236 | 94 | 94 | 94 | 94 | 664 | 747 | 1289 | 202 | 208 | 150 | 94 | 94 | 178 | 178 | 179 | 179 | 190 |
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