Surf Forecasts:
How big are the waves at Katahama today (22 Sep):
- Afternoon surf: Afternoon surf (22 Sep, local time) - 3ft (0.9m), 8s period with SSE swell.
- Evening surf: Evening surf (22 Sep, local time) - 2.5ft (0.8m), 8s period with SSE swell.
The current surf forecast for Katahama at 10PM is: 0.8m 8s primary swell from a South-southeast direction and 0.8m 4s secondary swell from a East direction (forecast issued at 02:00pm September 22). An open ocean swell of 0.3m 4s 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 Sep) | - | - |
| Afternoon (22 Sep) | 3ft (0.9m) | 8s |
| Evening (22 Sep) | 2.5ft (0.8m) | 8s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Thu night. Warm (max 29°C on Tue afternoon, min 22°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Tue 22 | Wednesday 23 | Thursday 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) | SSE 9 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 7 | S 7 | E 5 | ENE 6 | ENE 6 | E 6 | E 5 | E 6 | E 6 | E 6 | E 6 | E 6 | ESE 6 | ESE 6 | ESE 5 |
Wave Graph  | ||||||||||||||||||||
 kJ | 141 | 108 | 94 | 79 | 58 | 43 | 38 | 67 | 122 | 126 | 88 | 70 | 39 | 39 | 23 | 17 | 17 | 10 | 10 | 6 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | 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 | 9:08AM0.57m | 10:02PM0.97m | 9:51AM0.54m | 10:27PM0.84m | 10:25AM0.54m | |||||||||||||||
 | |  | |  | |  |  | | | | | |  | | | | | | | |
 | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — |
 | — | 5:45 | — | — | — | — | — | — | — | 5:44 | — | — | — | — | — | — | — | 5:42 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 29 | 26 | 26 | 25 | 24 | 23 | 23 | 24 | 24 | 23 | 22 | 23 | 23 | 23 | 24 | 25 | 26 | 25 | 24 |
Feels °C | 30 | 31 | 28 | 25 | 24 | 24 | 22 | 21 | 22 | 22 | 22 | 21 | 24 | 25 | 26 | 26 | 26 | 27 | 28 | 27 |
Swell 1 Height (m) Direction Period (s) | W 6 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 7 | S 7 | S 7 | SSE 7 | SSE 7 | SSE 6 | S 6 | S 6 | E 6 | E 6 | E 6 | E 6 | ESE 6 | ESE 6 | SSW 4 |
| kJ | 71 | 108 | 94 | 79 | 58 | 43 | 37 | 24 | 15 | 15 | 8 | 7 | 7 | 30 | 23 | 17 | 17 | 10 | 10 | 6 |
Swell 2 Height (m) Direction Period (s) | SSE 9 | W 5 | W 5 | W 4 | W 4 | S 9 | S 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | E 10 | E 10 | SSE 8 | SSE 8 | E 9 | E 9 | SSE 8 | E 9 | ESE 5 |
| kJ | 141 | 37 | 17 | 3 | 1 | 6 | 6 | 7 | 7 | 6 | 6 | 8 | 7 | 14 | 7 | 6 | 6 | 7 | 6 | 6 |
Swell 3 Height (m) Direction Period (s) | E 10 | E 9 | E 9 | E 9 | E 13 | — | SE 9 | SE 9 | SE 9 | SSE 9 | SSE 9 | SSE 8 | SSW 8 | E 9 | SSW 8 | S 6 | SSW 8 | E 9 | S 4 | W 4 |
| kJ | 16 | 7 | 7 | 7 | 3 | — | 3 | 3 | 3 | 8 | 7 | 7 | 6 | 7 | 6 | 2 | 6 | 6 | 1 | 2 |
Wind waves Height (m) Direction Period (s) | — | — | E 3 | E 4 | E 4 | E 4 | E 4 | E 5 | ENE 6 | ENE 6 | E 6 | E 5 | E 6 | ENE 5 | — | — | SSW 4 | SW 3 | SW 3 | WSW 3 |
| kJ | — | — | 1 | 14 | 21 | 24 | 38 | 67 | 122 | 126 | 88 | 70 | 39 | 39 | — | — | 2 | 3 | 6 | 3 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 13 | 13 | 236 | 13 | 13 | 94 | 94 | 94 | 1289 | 1289 | 703 | 208 | 161 | 2 | 94 | 161 | 179 | 179 | 179 | 186 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
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