Surf Forecasts:
How big are the waves at Katahama today (23 Aug):
- Morning surf: Morning surf (23 Aug, local time) - 2ft (0.6m), 10s period with E swell.
- Afternoon surf: Afternoon surf (23 Aug, local time) - 1.5ft (0.4m), 12s period with ESE swell.
- Evening surf: Evening surf (23 Aug, local time) - 2ft (0.6m), 12s period with SSE swell.
The current surf forecast for Katahama at 9AM is: 0.6m 10s primary swell from a East direction (forecast issued at 02:00am August 23). An open ocean swell of 0.8m 8s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Aug) | 2ft (0.6m) | 10s |
| Afternoon (23 Aug) | 1.5ft (0.4m) | 12s |
| Evening (23 Aug) | 2ft (0.6m) | 12s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 29°C on Tue morning, min 25°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 23 | Monday 24 | Tuesday 25 | ||||||||||||||||||||||
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 11 | E 10 | E 10 | E 10 | E 10 | ESE 12 | SE 12 | SSE 12 | SSE 13 | SSE 17 | SSE 16 | SSE 17 | SSE 16 | SSE 15 | SSE 15 | SSE 16 | SSE 15 | SSE 15 | SSE 15 | SSE 14 | SSE 14 | S 14 | S 14 | S 13 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 108 | 71 | 47 | 71 | 48 | 49 | 73 | 98 | 108 | 186 | 407 | 629 | 1289 | 1162 | 1953 | 2582 | 2576 | 2746 | 2991 | 3009 | 2866 | 2694 | 2659 | 2199 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | glassy | cross-on | on | cross-on | on | glassy | glassy | off | glassy | glassy | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-off | cross-off |
High Tide | 00:41AM1.39m | 4:19PM1.48m | 2:17AM1.43m | 4:45PM1.55m | 3:17AM1.50m | 5:06PM1.61m | ||||||||||||||||||
Low Tide | 8:42AM0.55m | 9:44PM1.21m | 9:38AM0.47m | 10:24PM1.11m | 10:18AM0.41m | |||||||||||||||||||
 |  |  |  | | | |  |  | | | | | | | | | | | | | | | | |
 | — | 5:11 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:25 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:23 | — |
mm | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 26 | 26 | 27 | 27 | 27 | 27 | 26 | 26 | 25 | 25 | 27 | 27 | 28 | 28 | 27 | 26 | 26 | 26 | 28 | 29 | 29 | 28 | 27 |
Feels °C | 32 | 31 | 31 | 31 | 30 | 30 | 31 | 31 | 31 | 29 | 30 | 31 | 29 | 30 | 30 | 30 | 30 | 30 | 30 | 31 | 30 | 30 | 30 | 31 |
Swell 1 Height (m) Direction Period (s) | SSW 9 | SSW 9 | SSW 9 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SW 8 | SW 8 | SE 13 | SSE 16 | SSE 17 | SSE 16 | SSE 15 | SSE 15 | SSE 16 | SSE 15 | SSE 15 | SSE 15 | SSE 14 | SSE 14 | S 14 | S 14 | S 13 |
| kJ | 113 | 111 | 86 | 82 | 90 | 80 | 90 | 72 | 57 | 175 | 407 | 629 | 1289 | 1162 | 1953 | 2582 | 2576 | 2746 | 2991 | 3009 | 2866 | 2694 | 2659 | 2199 |
Swell 2 Height (m) Direction Period (s) | E 11 | E 10 | E 10 | E 10 | E 10 | ESE 12 | SE 12 | SSE 12 | SSE 13 | SW 8 | SW 10 | SSE 14 | SW 10 | SSE 19 | SW 10 | SW 10 | SW 10 | SW 10 | E 14 | E 14 | E 14 | E 13 | E 13 | E 13 |
| kJ | 108 | 71 | 47 | 71 | 48 | 49 | 73 | 98 | 108 | 58 | 77 | 347 | 110 | 522 | 113 | 76 | 74 | 58 | 153 | 150 | 100 | 130 | 128 | 126 |
Swell 3 Height (m) Direction Period (s) | ESE 10 | ESE 11 | ESE 11 | ESE 10 | ESE 12 | E 10 | ESE 12 | ESE 12 | E 12 | SSE 17 | SSE 12 | SW 9 | ESE 12 | SW 10 | E 12 | E 12 | E 12 | E 11 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 9 |
| kJ | 11 | 25 | 22 | 21 | 30 | 30 | 49 | 49 | 75 | 186 | 93 | 88 | 46 | 113 | 103 | 71 | 69 | 64 | 46 | 33 | 33 | 24 | 14 | 14 |
Wind waves Height (m) Direction Period (s) | WSW 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 2 | 2 | 2 | 13 | 104 | 104 | 2 | 2 | 2 | 2 | 2 | 2 | 6 | 6 | 65 | 2 | 2 | 2 | 2 | 65 | 236 | 382 | 2 | 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