Surf Forecasts:
How big are the waves at Katahama today (12 Aug):
- Morning surf: Morning surf (12 Aug, local time) - 2ft (0.6m), 10s period with E swell.
- Afternoon surf: Afternoon surf (12 Aug, local time) - 3.5ft (1.0m), 10s period with E swell.
- Evening surf: Evening surf (12 Aug, local time) - 4.5ft (1.3m), 10s period with E swell.
The current surf forecast for Katahama at 8AM is: 0.6m 10s primary swell from a East direction and 0.3m 2s secondary swell from a East direction (forecast issued at 02:00am August 12). An open ocean swell of 1.0m 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 (12 Aug) | 2ft (0.6m) | 10s |
| Afternoon (12 Aug) | 3.5ft (1.0m) | 10s |
| Evening (12 Aug) | 4.5ft (1.3m) | 10s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 13mm), heaviest on Fri night. Warm (max 29°C on Thu morning, min 24°C on Wed morning). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 12 | Thursday 13 | Friday 14 | ||||||||||||||||||||||
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 | 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 12 | E 11 | SSW 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | 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 | 217 | 118 | 0 | 75 | 162 | 192 | 268 | 314 | 216 | 60 | 81 | 85 | 87 | 113 | 121 | 178 | 178 | 172 | 168 | 168 | 168 | 168 | 168 | 165 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-on | on | on | cross-on | cross | cross | cross-off | cross | cross-on | on | cross-on | cross-on |
High Tide | 4:20AM1.60m | 5:51PM1.64m | 4:58AM1.66m | 6:11PM1.68m | 5:35AM1.70m | 6:33PM1.72m | ||||||||||||||||||
Low Tide | 11:10PM1.03m | 11:15AM0.31m | 11:35PM0.94m | 11:43AM0.31m | 00:01AM0.83m | 12:10PM0.34m | ||||||||||||||||||
 | |  |  |  | | |  |  | | | | | | | | |  | | | | | | | |
 | — | 5:03 | — | — | — | — | — | — | — | 5:05 | — | — | — | — | — | — | — | 5:05 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:38 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — |
mm | — | — | 2 | 2 | — | 1 | 1 | — | 1 | — | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — | 1 | 3 |
Temp °C | 26 | 25 | 24 | 24 | 27 | 27 | 26 | 25 | 25 | 24 | 24 | 27 | 29 | 28 | 28 | 26 | 25 | 25 | 24 | 27 | 29 | 29 | 28 | 27 |
Feels °C | 30 | 27 | 25 | 24 | 25 | 26 | 26 | 25 | 25 | 24 | 24 | 27 | 30 | 29 | 30 | 29 | 27 | 27 | 25 | 27 | 31 | 31 | 31 | 30 |
Swell 1 Height (m) Direction Period (s) | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 9 | SSW 9 | E 11 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 |
| kJ | 184 | 176 | 184 | 202 | 180 | 260 | 255 | 212 | 208 | 208 | 204 | 204 | 183 | 175 | 139 | 133 | 178 | 172 | 168 | 168 | 168 | 168 | 168 | 165 |
Swell 2 Height (m) Direction Period (s) | E 12 | WSW 5 | WSW 5 | E 10 | SW 11 | SSE 13 | SE 13 | S 5 | S 5 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 11 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 |
| kJ | 217 | 48 | 23 | 75 | 112 | 17 | 6 | 7 | 12 | 60 | 81 | 85 | 87 | 113 | 121 | 178 | 133 | 130 | 130 | 130 | 119 | 116 | 113 | 68 |
Swell 3 Height (m) Direction Period (s) | SW 11 | E 11 | SW 11 | SW 11 | SE 13 | ESE 13 | SE 12 | SE 12 | SE 12 | S 5 | S 5 | SE 12 | SE 12 | SE 12 | SE 12 | S 12 | S 12 | S 12 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | S 12 |
| kJ | 114 | 118 | 119 | 96 | 7 | 16 | 6 | 6 | 22 | 7 | 4 | 5 | 6 | 5 | 6 | 11 | 25 | 24 | 12 | 12 | 12 | 12 | 11 | 45 |
Wind waves Height (m) Direction Period (s) | WSW 5 | — | — | E 2 | E 10 | E 10 | E 10 | E 10 | E 10 | E 4 | E 4 | E 4 | E 5 | E 5 | E 4 | E 4 | E 4 | E 4 | E 4 | E 5 | E 5 | E 5 | ESE 5 | E 5 |
| kJ | 72 | — | — | 1 | 162 | 192 | 268 | 314 | 216 | 28 | 18 | 23 | 34 | 27 | 17 | 8 | 6 | 6 | 7 | 15 | 42 | 52 | 38 | 27 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 2 | 6 | 13 | 13 | 334 | 103 | 132 | 103 | 103 | 13 | 13 | 13 | 150 | 104 | 104 | 150 | 103 | 2 | 2 | 13 | 150 | 104 | 104 | 104 |
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)
Latest Updates
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