Surf Forecasts:
How big are the waves at Katahama today (22 Aug):
- Afternoon surf: Afternoon surf (22 Aug, local time) - 2ft (0.6m), 10s period with E swell.
- Evening surf: Evening surf (22 Aug, local time) - 2.5ft (0.7m), 11s period with E swell.
The current surf forecast for Katahama at 7PM is: 0.7m 11s primary swell from a East direction and 0.4m 3s secondary swell from a Southwest direction (forecast issued at 02:00pm August 22). 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 (22 Aug) | - | - |
| Afternoon (22 Aug) | 2ft (0.6m) | 10s |
| Evening (22 Aug) | 2.5ft (0.7m) | 11s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 7mm), mostly falling on Sun night. Warm (max 28°C on Sat afternoon, min 24°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Sat 22 | Sunday 23 | Monday 24 | ||||||||||||||||||
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) | SE 13 | E 10 | E 11 | E 11 | E 11 | E 10 | E 10 | E 10 | E 10 | SE 13 | SE 12 | SSE 12 | SSE 13 | SE 13 | SSE 16 | SSE 15 | SSE 16 | SSE 16 | SSE 15 | SSE 15 |
Wave Graph  | ||||||||||||||||||||
 kJ | 47 | 73 | 112 | 112 | 108 | 71 | 47 | 71 | 31 | 47 | 73 | 98 | 108 | 175 | 402 | 840 | 1241 | 1588 | 1980 | 2355 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross-off | cross-off | glassy | glassy | on | on | on | glassy | glassy | off | glassy | glassy | cross-on | cross | cross | cross-off |
High Tide | 3:42PM1.37m | 00:41AM1.39m | 4:19PM1.48m | 2:17AM1.43m | 4:45PM1.55m | |||||||||||||||
Low Tide | 7:59PM1.28m | 8:42AM0.55m | 9:44PM1.21m | 9:38AM0.47m | ||||||||||||||||
 | | |  |  |  | | | | | |  | |  |  | |  | | | | |
 | — | — | — | — | — | 5:11 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — |
 | — | — | 6:27 | — | — | — | — | — | — | — | 6:25 | — | — | — | — | — | — | — | 6:24 | — |
mm | — | — | — | — | 1 | — | — | — | — | — | — | — | 1 | 2 | — | — | 1 | 2 | — | — |
Temp °C | 28 | 28 | 27 | 27 | 27 | 26 | 26 | 27 | 27 | 26 | 26 | 26 | 25 | 24 | 24 | 26 | 27 | 27 | 27 | 26 |
Feels °C | 30 | 30 | 30 | 31 | 31 | 30 | 31 | 31 | 30 | 29 | 29 | 31 | 30 | 28 | 28 | 30 | 30 | 30 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SW 8 | SW 8 | SE 13 | SSE 16 | SSE 15 | SSE 16 | SSE 16 | SSE 15 | SSE 15 |
| kJ | 130 | 130 | 119 | 127 | 113 | 99 | 86 | 82 | 80 | 80 | 90 | 72 | 57 | 175 | 402 | 840 | 1241 | 1588 | 1980 | 2355 |
Swell 2 Height (m) Direction Period (s) | E 10 | E 10 | E 11 | E 11 | E 11 | E 10 | E 10 | E 10 | E 10 | ESE 12 | SE 12 | SSE 12 | SSE 13 | SW 8 | SW 8 | SW 9 | SW 10 | SW 10 | SW 10 | SW 10 |
| kJ | 47 | 73 | 112 | 112 | 108 | 71 | 47 | 71 | 31 | 47 | 73 | 98 | 108 | 58 | 84 | 88 | 110 | 94 | 96 | 76 |
Swell 3 Height (m) Direction Period (s) | SE 13 | SE 13 | SSE 10 | SE 4 | ESE 10 | ESE 11 | ESE 11 | ESE 10 | ESE 12 | SE 13 | ESE 12 | ESE 12 | E 12 | SE 17 | SSE 12 | E 12 | E 12 | E 12 | E 12 | E 12 |
| kJ | 42 | 42 | 9 | 3 | 11 | 25 | 22 | 10 | 30 | 42 | 49 | 49 | 106 | 137 | 93 | 71 | 71 | 72 | 103 | 71 |
Wind waves Height (m) Direction Period (s) | — | SW 3 | SW 3 | SW 3 | SW 3 | WSW 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 2 | 3 | 2 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 65 | 65 | 6 | 6 | 2 | 2 | 2 | 6 | 145 | 104 | 103 | 2 | 2 | 2 | 2 | 2 | 6 | 6 | 65 | 2 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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