Surf Forecasts:
How big are the waves at Katahama today (15 Aug):
- Afternoon surf: Afternoon surf (15 Aug, local time) - 5ft (1.5m), 10s period with E 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 6PM is: 1.4m 10s primary swell from a East-southeast direction and 0.3m 8s secondary swell from a South-southeast direction (forecast issued at 02:00pm August 15). An open ocean swell of 0.9m 10s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Aug) | - | - |
| Afternoon (15 Aug) | 5ft (1.5m) | 10s |
| Evening (15 Aug) | 4.5ft (1.3m) | 10s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Sat night. Warm (max 28°C on Sat afternoon, min 24°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Sat 15 | Sunday 16 | Monday 17 | ||||||||||||||||||
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 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | ESE 9 | ESE 8 | E 8 | E 8 | E 9 | ESE 9 | ESE 8 | ESE 8 |
Wave Graph  | ||||||||||||||||||||
 kJ | 426 | 431 | 386 | 342 | 276 | 342 | 158 | 117 | 319 | 69 | 73 | 151 | 123 | 118 | 113 | 113 | 125 | 126 | 120 | 96 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | on | cross-on | cross-on | cross | cross | cross-on | cross-on | on | on | cross-on | cross-on | cross | cross | cross | cross-on | on | on | cross-on |
High Tide | 6:57PM1.75m | 6:53AM1.68m | 7:24PM1.76m | 7:35AM1.61m | 7:54PM1.75m | |||||||||||||||
Low Tide | 12:39PM0.39m | 1:04AM0.65m | 1:08PM0.48m | 1:41AM0.59m | 1:39PM0.59m | |||||||||||||||
 |  | |  |  |  | |  | | | | | | | | |  | | | | |
 | — | — | — | — | — | 5:07 | — | — | — | — | — | — | — | 5:07 | — | — | — | — | — | — |
 | — | — | 6:36 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:32 | — |
mm | 1 | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 28 | 27 | 26 | 25 | 25 | 24 | 26 | 27 | 27 | 26 | 26 | 25 | 25 | 24 | 26 | 27 | 27 | 26 | 26 |
Feels °C | 29 | 28 | 27 | 27 | 27 | 27 | 25 | 26 | 27 | 27 | 26 | 28 | 27 | 27 | 25 | 27 | 28 | 28 | 28 | 29 |
Swell 1 Height (m) Direction Period (s) | SSW 10 | SSW 10 | SSW 10 | SSW 9 | SSW 9 | SSW 9 | E 10 | E 10 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | ESE 9 | ESE 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 |
| kJ | 143 | 137 | 129 | 119 | 86 | 84 | 158 | 117 | 61 | 62 | 79 | 80 | 123 | 118 | 57 | 55 | 54 | 54 | 35 | 37 |
Swell 2 Height (m) Direction Period (s) | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SW 8 | SE 12 | SSW 9 | SSW 9 | SW 9 | E 10 | E 9 | SE 11 | SSW 9 | SSW 9 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 |
| kJ | 14 | 13 | 13 | 6 | 11 | 22 | 84 | 77 | 27 | 69 | 73 | 30 | 82 | 80 | 19 | 30 | 19 | 18 | 18 | 18 |
Swell 3 Height (m) Direction Period (s) | SE 10 | SE 10 | SSE 12 | SSE 10 | SE 12 | SW 10 | SW 8 | ESE 10 | SE 11 | ESE 9 | SE 11 | ESE 9 | SE 11 | SE 11 | ESE 9 | E 9 | S 16 | S 16 | SW 8 | SW 8 |
| kJ | 17 | 16 | 14 | 10 | 22 | 14 | 25 | 19 | 20 | 28 | 31 | 8 | 31 | 42 | 8 | 6 | 5 | 5 | 11 | 3 |
Wind waves Height (m) Direction Period (s) | E 10 | E 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 5 | ESE 5 | E 10 | E 5 | ESE 5 | E 9 | — | — | E 8 | E 8 | E 9 | ESE 9 | ESE 8 | ESE 8 |
| kJ | 426 | 431 | 386 | 342 | 276 | 342 | 46 | 39 | 319 | 51 | 24 | 151 | — | — | 113 | 113 | 125 | 126 | 120 | 96 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 104 | 104 | 355 | 104 | 132 | 138 | 103 | 138 | 150 | 104 | 104 | 85 | 104 | 103 | 13 | 150 | 85 | 104 | 104 | 104 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
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