Surf Forecasts:
How big are the waves at Katahama today (31 Aug):
- Morning surf: Morning surf (31 Aug, local time) - 1.5ft (0.5m), 3s period with E swell.
- Afternoon surf: Afternoon surf (31 Aug, local time) - 1ft (0.3m), 14s period with ESE swell.
- Evening surf: Evening surf (31 Aug, local time) - 1.5ft (0.4m), 14s period with ESE swell.
The current surf forecast for Katahama at 4AM is: 0.4m 3s primary swell from a East direction (forecast issued at 08:00pm August 30). An open ocean swell of 0.6m 6s is not directed at the surf break, a second open ocean swell of 0.4m 7s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Aug) | 1.5ft (0.5m) | 3s |
| Afternoon (31 Aug) | 1ft (0.3m) | 14s |
| Evening (31 Aug) | 1.5ft (0.4m) | 14s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Wed morning, min 25°C on Sun night). Wind will be generally light. | ||||||||||||||||||
Sun 30 | Monday 31 | Tuesday 1 | ||||||||||||||||
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 11 | E 11 | E 11 | E 3 | E 3 | E 3 | E 4 | ESE 14 | ESE 14 | ESE 14 | E 13 | E 13 | ESE 13 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | E 11 |
Wave Graph  | ||||||||||||||||||
 kJ | 22 | 39 | 21 | 3 | 3 | 5 | 9 | 37 | 64 | 74 | 130 | 168 | 165 | 205 | 192 | 232 | 186 | 157 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross | cross | cross-on | cross-on | cross-on | on | on | on | cross-on | cross | cross | cross-on | on | on | cross-on | glassy |
High Tide | 6:48PM1.79m | 7:07AM1.67m | 7:15PM1.79m | 7:49AM1.59m | 7:45PM1.75m | |||||||||||||
Low Tide | 1:06AM0.53m | 1:07PM0.61m | 1:43AM0.50m | 1:37PM0.73m | ||||||||||||||
 |  | | | | | |  | | | | | | | | | |  | |
 | — | — | — | 5:18 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — |
 | 6:16 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:14 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 25 | 25 | 25 | 25 | 26 | 27 | 27 | 26 | 26 | 26 | 25 | 25 | 26 | 27 | 27 | 26 | 26 |
Feels °C | 30 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 28 | 29 | 30 | 28 | 28 | 28 | 29 | 29 | 29 | 31 |
Swell 1 Height (m) Direction Period (s) | SW 6 | S 7 | SW 6 | SW 6 | SW 6 | SW 6 | S 7 | S 8 | SSW 9 | SSW 8 | E 13 | E 13 | ESE 13 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | E 11 |
| kJ | 22 | 27 | 25 | 26 | 21 | 20 | 28 | 36 | 46 | 39 | 130 | 168 | 165 | 205 | 192 | 232 | 186 | 157 |
Swell 2 Height (m) Direction Period (s) | S 7 | SW 6 | S 7 | SSW 7 | S 7 | SSW 7 | SW 5 | SW 9 | SW 9 | SW 9 | SSW 8 | SSW 8 | SW 9 | SW 9 | SW 9 | SW 9 | SW 9 | S 8 |
| kJ | 27 | 17 | 28 | 17 | 26 | 18 | 10 | 29 | 29 | 41 | 40 | 39 | 47 | 50 | 40 | 36 | 38 | 34 |
Swell 3 Height (m) Direction Period (s) | E 11 | E 11 | E 11 | SW 10 | SW 10 | SW 10 | SW 9 | ESE 14 | ESE 14 | ESE 14 | SW 9 | SW 9 | S 9 | SSW 8 | S 8 | SSW 9 | S 8 | SW 9 |
| kJ | 22 | 39 | 21 | 15 | 15 | 33 | 31 | 37 | 64 | 74 | 41 | 41 | 39 | 23 | 35 | 25 | 35 | 38 |
Wind waves Height (m) Direction Period (s) | E 5 | E 2 | ENE 3 | E 3 | E 3 | E 3 | E 4 | E 4 | E 4 | ESE 3 | E 3 | E 4 | E 4 | E 4 | E 4 | — | — | — |
| kJ | 2 | 1 | 3 | 3 | 3 | 5 | 9 | 10 | 6 | 3 | 5 | 6 | 7 | 7 | 5 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 13 | 13 | 94 | 179 | 13 | 236 | 150 | 104 | 104 | 150 | 150 | 103 | 13 | 13 | 145 | 104 | 65 | 2 |
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