Surf Forecasts:
How big are the waves at Katahama today (23 Aug):
- Afternoon surf: Afternoon surf (23 Aug, local time) - 1.5ft (0.4m), 12s period with ESE swell.
- Evening surf: Evening surf (23 Aug, local time) - 2ft (0.6m), 12s period with SSE swell.
The current surf forecast for Katahama at 10PM is: 0.6m 12s primary swell from a South-southeast direction (forecast issued at 02:00pm August 23). An open ocean swell of 0.7m 8s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Aug) | - | - |
| Afternoon (23 Aug) | 1.5ft (0.4m) | 12s |
| Evening (23 Aug) | 2ft (0.6m) | 12s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 30°C on Wed morning, min 25°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Sun 23 | Monday 24 | Tuesday 25 | ||||||||||||||||||
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 | ESE 12 | SE 12 | SSE 12 | SSE 13 | SSE 17 | SSE 16 | SSE 18 | SSE 16 | SSE 15 | SSE 14 | SSE 15 | SSE 15 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 12 | S 12 | S 13 |
Wave Graph  | ||||||||||||||||||||
 kJ | 48 | 49 | 73 | 98 | 108 | 186 | 452 | 644 | 1451 | 1698 | 1042 | 2029 | 2182 | 1835 | 1905 | 1877 | 1581 | 1405 | 1378 | 1468 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | glassy | glassy | glassy | glassy | glassy | glassy | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-off | cross-off |
High Tide | 4:19PM1.48m | 2:17AM1.43m | 4:45PM1.55m | 3:17AM1.50m | 5:06PM1.61m | |||||||||||||||
Low Tide | 9:44PM1.21m | 9:38AM0.47m | 10:24PM1.11m | 10:18AM0.41m | ||||||||||||||||
 | | |  |  | |  | | | | | | | | | | | | | | |
 | — | — | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — |
 | — | — | 6:25 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:23 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 27 | 27 | 26 | 26 | 25 | 25 | 27 | 28 | 29 | 28 | 27 | 26 | 26 | 26 | 28 | 29 | 28 | 28 | 27 |
Feels °C | 29 | 31 | 32 | 31 | 30 | 29 | 29 | 31 | 30 | 31 | 31 | 30 | 30 | 30 | 30 | 30 | 30 | 28 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | SSW 8 | SSW 8 | SSW 8 | SW 8 | SW 8 | SE 13 | SSE 16 | SSE 18 | SSE 16 | SSE 15 | SSE 14 | SSE 15 | SSE 15 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 12 | S 12 | S 13 |
| kJ | 80 | 80 | 90 | 72 | 57 | 175 | 452 | 644 | 1451 | 1698 | 1042 | 2029 | 2182 | 1835 | 1905 | 1877 | 1581 | 1405 | 1378 | 1468 |
Swell 2 Height (m) Direction Period (s) | E 10 | ESE 12 | SE 12 | SSE 12 | SSE 13 | SW 8 | SW 10 | SSE 14 | SW 10 | SW 10 | SSE 18 | SW 10 | SW 10 | SSE 18 | E 14 | E 14 | E 14 | E 14 | E 13 | E 13 |
| kJ | 48 | 49 | 73 | 98 | 108 | 58 | 94 | 347 | 110 | 113 | 877 | 110 | 58 | 432 | 153 | 150 | 142 | 132 | 128 | 126 |
Swell 3 Height (m) Direction Period (s) | ESE 12 | E 10 | ESE 12 | ESE 12 | E 12 | SSE 17 | SSE 12 | SW 9 | ESE 12 | E 12 | SW 10 | E 12 | E 12 | SW 10 | SW 10 | E 14 | SW 10 | SW 10 | — | SW 9 |
| kJ | 30 | 30 | 49 | 49 | 75 | 186 | 93 | 88 | 46 | 71 | 113 | 71 | 69 | 58 | 59 | 203 | 34 | 24 | — | 13 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 10 | — | SW 10 | SW 4 | SW 4 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 59 | — | 92 | 20 | 15 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 104 | 104 | 2 | 2 | 2 | 2 | 2 | 2 | 6 | 211 | 65 | 2 | 2 | 2 | 2 | 127 | 236 | 236 | 236 | 2 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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