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) - 4ft (1.2m), 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 10AM is: 1.2m 10s primary swell from a East direction (forecast issued at 02:00am August 14). An open ocean swell of 0.9m 9s is not directed at the surf break, a second open ocean swell of 1.6m 10s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Aug) | 4ft (1.2m) | 10s |
| Afternoon (14 Aug) | 4ft (1.2m) | 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 7mm), mostly falling on Fri afternoon. Warm (max 29°C on Fri morning, min 24°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Friday 14 | Saturday 15 | Sunday 16 | ||||||||||||||||||||||
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 | E 10 | E 10 | E 10 | E 10 | E 10 | SSE 8 | E 10 | E 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | E 8 | ESE 9 | E 10 | ESE 10 | ESE 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 178 | 175 | 172 | 300 | 300 | 300 | 208 | 247 | 162 | 159 | 24 | 424 | 434 | 386 | 335 | 342 | 276 | 271 | 294 | 161 | 181 | 273 | 235 | 154 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | cross | cross-on | on | cross-on | cross | cross | cross | cross | cross-on | cross-on | on | on | cross-on | cross-on | cross | cross | cross | 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 | 00:01AM0.83m | 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 | — | — | — | 1 | — | — | — | 1 | 1 | — | — | — | — | — | — | — |
Temp °C | 25 | 24 | 25 | 27 | 29 | 28 | 27 | 26 | 25 | 25 | 25 | 27 | 28 | 28 | 27 | 26 | 25 | 25 | 25 | 26 | 27 | 28 | 27 | 26 |
Feels °C | 26 | 25 | 26 | 27 | 31 | 30 | 29 | 29 | 27 | 27 | 26 | 27 | 29 | 28 | 28 | 27 | 27 | 28 | 27 | 26 | 27 | 28 | 28 | 28 |
Swell 1 Height (m) Direction Period (s) | E 11 | E 10 | E 10 | E 10 | E 10 | SSW 9 | E 10 | SSW 9 | E 10 | E 10 | SSW 9 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 |
| kJ | 178 | 175 | 172 | 300 | 300 | 116 | 208 | 88 | 162 | 159 | 67 | 149 | 143 | 137 | 129 | 86 | 84 | 84 | 64 | 79 | 80 | 62 | 80 | 80 |
Swell 2 Height (m) Direction Period (s) | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSE 11 | SSW 9 | S 12 | SSW 9 | SSW 9 | S 11 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SW 9 | SE 12 | SE 12 | SW 8 | ESE 9 | E 10 | SW 8 | ESE 9 | ESE 9 |
| kJ | 133 | 130 | 130 | 119 | 119 | 12 | 113 | 25 | 88 | 67 | 61 | 13 | 14 | 13 | 13 | 12 | 22 | 22 | 18 | 29 | 69 | 18 | 16 | 16 |
Swell 3 Height (m) Direction Period (s) | S 12 | S 12 | E 6 | SSE 11 | SSE 11 | SE 15 | SSE 11 | S 9 | S 11 | S 11 | SSE 8 | SE 10 | SE 10 | SSE 10 | SE 12 | SSE 8 | SW 8 | ESE 11 | SE 12 | SE 12 | SE 11 | ESE 9 | SE 11 | SE 11 |
| kJ | 25 | 24 | 35 | 12 | 12 | 9 | 12 | 13 | 39 | 63 | 24 | 16 | 17 | 10 | 23 | 6 | 11 | 23 | 22 | 21 | 20 | 16 | 19 | 19 |
Wind waves Height (m) Direction Period (s) | E 4 | E 5 | NE 3 | E 10 | — | E 10 | E 4 | E 10 | E 4 | E 4 | E 10 | E 10 | E 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | E 8 | ESE 9 | E 10 | ESE 10 | ESE 8 |
| kJ | 17 | 29 | 2 | 467 | — | 300 | 12 | 247 | 7 | 9 | 279 | 424 | 434 | 386 | 335 | 342 | 276 | 271 | 294 | 161 | 181 | 273 | 235 | 154 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 13 | 2 | 2 | 13 | 13 | 104 | 104 | 103 | 103 | 103 | 103 | 104 | 104 | 104 | 104 | 355 | 85 | 124 | 138 | 138 | 132 | 85 | 104 | 85 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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