Surf Forecasts:
How big are the waves at Katahama today (15 Aug):
- Morning surf: Morning surf (15 Aug, local time) - 5ft (1.5m), 10s period with E swell.
- Afternoon surf: Afternoon surf (15 Aug, local time) - 4.5ft (1.4m), 10s period with ESE swell.
- Evening surf: Evening surf (15 Aug, local time) - 4.5ft (1.3m), 10s period with ESE swell.
The current surf forecast for Katahama at 5AM is: 1.2m 10s primary swell from a East direction (forecast issued at 08:00pm August 14). An open ocean swell of 0.7m 9s is not directed at the surf break, a second open ocean swell of 0.5m 11s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Aug) | 5ft (1.5m) | 10s |
| Afternoon (15 Aug) | 4.5ft (1.4m) | 10s |
| Evening (15 Aug) | 4.5ft (1.3m) | 10s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 5mm), mostly falling on Fri night. Warm (max 28°C on Sat afternoon, min 24°C on Sat night). Wind will be generally light. | ||||||||||||||||||
Fri 14 | Saturday 15 | Sunday 16 | ||||||||||||||||
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 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | E 10 | E 10 | E 10 | ESE 10 | ESE 9 | ESE 9 |
Wave Graph  | ||||||||||||||||||
 kJ | 352 | 294 | 242 | 159 | 277 | 426 | 431 | 386 | 386 | 342 | 276 | 294 | 284 | 98 | 240 | 209 | 189 | 202 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | on | cross-on |
High Tide | 6:33PM1.72m | 6:13AM1.71m | 6:57PM1.75m | 6:53AM1.68m | 7:24PM1.76m | |||||||||||||
Low Tide | 00:30AM0.73m | 12:39PM0.39m | 1:04AM0.65m | 1:08PM0.48m | ||||||||||||||
 |  |  | | | |  | | |  | | | | | |  | |  | |
 | — | — | — | 5:05 | — | — | — | — | — | — | — | 5:07 | — | — | — | — | — | — |
 | 6:37 | — | — | — | — | — | — | — | 6:36 | — | — | — | — | — | — | — | 6:35 | — |
mm | 2 | 1 | — | 1 | 1 | 1 | — | — | — | — | 1 | — | — | — | — | — | — | — |
Temp °C | 27 | 26 | 25 | 25 | 25 | 27 | 27 | 28 | 27 | 26 | 25 | 25 | 24 | 26 | 27 | 27 | 27 | 26 |
Feels °C | 29 | 29 | 27 | 27 | 26 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 25 | 26 | 27 | 28 | 29 | 27 |
Swell 1 Height (m) Direction Period (s) | SSW 9 | SSW 9 | SSW 9 | E 10 | SSW 9 | SSW 10 | SSW 10 | SSW 10 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 |
| kJ | 92 | 88 | 88 | 159 | 67 | 149 | 143 | 137 | 126 | 94 | 84 | 84 | 84 | 77 | 80 | 62 | 80 | 80 |
Swell 2 Height (m) Direction Period (s) | S 8 | S 12 | S 11 | SSW 9 | S 11 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SE 12 | SE 12 | SW 8 | E 10 | ESE 9 | ESE 9 | SE 11 | SE 11 |
| kJ | 12 | 25 | 39 | 67 | 61 | 13 | 14 | 13 | 13 | 6 | 22 | 22 | 18 | 98 | 29 | 28 | 33 | 30 |
Swell 3 Height (m) Direction Period (s) | SSE 11 | S 9 | SE 11 | S 11 | SSE 8 | SE 10 | SE 10 | SE 10 | SSE 10 | SSE 10 | WSW 10 | SW 10 | SE 12 | ESE 9 | SE 11 | SW 8 | ESE 9 | ESE 9 |
| kJ | 12 | 13 | 30 | 63 | 24 | 16 | 17 | 16 | 10 | 10 | 9 | 14 | 22 | 29 | 20 | 24 | 17 | 8 |
Wind waves Height (m) Direction Period (s) | E 10 | E 10 | E 10 | E 4 | E 10 | E 10 | E 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | E 10 | ESE 5 | E 10 | ESE 10 | ESE 9 | ESE 9 |
| kJ | 352 | 294 | 242 | 13 | 277 | 426 | 431 | 386 | 386 | 342 | 276 | 294 | 284 | 43 | 240 | 209 | 189 | 202 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 104 | 103 | 103 | 13 | 104 | 104 | 85 | 104 | 104 | 104 | 85 | 132 | 13 | 124 | 85 | 85 | 103 | 85 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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