Surf Forecasts:
How big are the waves at Katahama today (14 Aug):
- Morning surf: Morning surf (14 Aug, local time) - 4ft (1.2m), 10s period with E swell.
- Afternoon surf: Afternoon surf (14 Aug, local time) - 4.5ft (1.3m), 10s period with E swell.
- Evening surf: Evening surf (14 Aug, local time) - 3.5ft (1.1m), 10s period with E swell.
The current surf forecast for Katahama at 2PM is: 1.2m 10s primary swell from a East direction and 0.2m 11s secondary swell from a South-southeast direction (forecast issued at 08:00am August 14). An open ocean swell of 0.9m 9s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Aug) | 4ft (1.2m) | 10s |
| Afternoon (14 Aug) | 4.5ft (1.3m) | 10s |
| Evening (14 Aug) | 3.5ft (1.1m) | 10s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 6mm), mostly falling on Fri night. Warm (max 29°C on Fri morning, min 24°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||
Friday 14 | Saturday 15 | Sunday 16 | ||||||||||||||||||||
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 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | E 10 | E 10 | ESE 10 | ESE 8 | ESE 10 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 305 | 300 | 300 | 352 | 300 | 247 | 162 | 159 | 325 | 426 | 440 | 386 | 386 | 356 | 282 | 307 | 294 | 245 | 231 | 235 | 171 | 230 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross-on | on | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross | cross | cross-on | cross-on | on | on | cross-on |
High Tide | 5:35AM1.70m | 6:33PM1.72m | 6:13AM1.71m | 6:57PM1.75m | 6:53AM1.68m | 7:24PM1.76m | ||||||||||||||||
Low Tide | 12:10PM0.34m | 00:30AM0.73m | 12:39PM0.39m | 1:04AM0.65m | 1:08PM0.48m | |||||||||||||||||
 | | |  |  |  | |  | | | | | | | | | | | | | | | |
 | 5:05 | — | — | — | — | — | — | 5:05 | — | — | — | — | — | — | — | 5:07 | — | — | — | — | — | — |
 | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:36 | — | — | — | — | — | — | — | 6:35 | — |
mm | — | — | — | — | 1 | 1 | 1 | — | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 27 | 29 | 29 | 28 | 26 | 25 | 25 | 25 | 27 | 28 | 28 | 27 | 26 | 25 | 25 | 24 | 26 | 27 | 28 | 27 | 26 |
Feels °C | 25 | 28 | 31 | 31 | 30 | 29 | 27 | 27 | 26 | 28 | 29 | 28 | 28 | 27 | 27 | 27 | 25 | 26 | 27 | 29 | 28 | 27 |
Swell 1 Height (m) Direction Period (s) | E 10 | E 10 | SSW 9 | SSW 9 | SSW 9 | E 10 | E 10 | E 10 | SSW 11 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 9 | SSW 9 | ESE 10 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 |
| kJ | 305 | 300 | 119 | 116 | 113 | 247 | 162 | 159 | 167 | 149 | 143 | 137 | 129 | 86 | 86 | 307 | 84 | 79 | 80 | 62 | 79 | 80 |
Swell 2 Height (m) Direction Period (s) | SSW 9 | SSW 9 | SSE 11 | SSE 11 | SSE 11 | SSW 9 | SSW 9 | SSW 9 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SW 9 | SE 12 | SSW 9 | SW 8 | ESE 9 | ESE 10 | ESE 10 | ESE 9 | SE 11 |
| kJ | 130 | 119 | 12 | 12 | 12 | 88 | 88 | 67 | 22 | 13 | 14 | 13 | 12 | 12 | 22 | 84 | 11 | 29 | 32 | 18 | 28 | 31 |
Swell 3 Height (m) Direction Period (s) | SSE 11 | SSE 11 | SE 16 | SE 15 | SE 15 | S 12 | S 11 | S 11 | SE 11 | SE 10 | SE 10 | SE 10 | SSE 10 | SSE 8 | SW 8 | SE 12 | SE 12 | SE 12 | SE 11 | SW 8 | SE 11 | ESE 9 |
| kJ | 12 | 12 | 9 | 9 | 9 | 25 | 39 | 63 | 18 | 16 | 17 | 16 | 10 | 6 | 11 | 22 | 22 | 21 | 20 | 18 | 19 | 16 |
Wind waves Height (m) Direction Period (s) | ENE 6 | E 10 | E 10 | E 10 | E 10 | — | E 3 | ENE 4 | E 10 | E 10 | E 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | — | ESE 10 | E 10 | E 10 | ESE 10 | ESE 8 | ESE 10 |
| kJ | 86 | 530 | 300 | 352 | 300 | — | 8 | 15 | 325 | 426 | 440 | 386 | 386 | 356 | 282 | — | 294 | 245 | 231 | 235 | 171 | 230 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 2 | 13 | 13 | 104 | 104 | 103 | 103 | 13 | 104 | 132 | 85 | 355 | 355 | 104 | 104 | 124 | 103 | 138 | 132 | 85 | 104 | 85 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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