Surf Forecasts:
How big are the waves at Katahama today (31 Aug):
- Afternoon surf: Afternoon surf (31 Aug, local time) - 1ft (0.3m), 14s period with ESE swell.
- Evening surf: Evening surf (31 Aug, local time) - 1.5ft (0.4m), 14s period with ESE swell.
The current surf forecast for Katahama at 7PM is: 0.4m 14s primary swell from a East-southeast direction and 0.9m 4s secondary swell from a East-southeast direction (forecast issued at 02:00pm August 31). An open ocean swell of 0.5m 9s is not directed at the surf break, a second open ocean swell of 0.4m 9s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Aug) | - | - |
| Afternoon (31 Aug) | 1ft (0.3m) | 14s |
| Evening (31 Aug) | 1.5ft (0.4m) | 14s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 29°C on Thu morning, min 24°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Mon 31 | Tuesday 1 | Wednesday 2 | ||||||||||||||||||
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 4 | ESE 14 | ESE 14 | ESE 14 | E 13 | ESE 13 | ESE 13 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 11 | ESE 11 | E 11 | E 11 | E 11 | E 11 | E 10 | E 10 | E 10 |
Wave Graph  | ||||||||||||||||||||
 kJ | 16 | 37 | 64 | 74 | 130 | 178 | 165 | 160 | 192 | 186 | 186 | 205 | 209 | 160 | 149 | 112 | 110 | 102 | 71 | 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 | on | on | on | on | on | glassy | glassy | on | on | cross-on | cross-on | glassy |
High Tide | 7:15PM1.79m | 7:49AM1.59m | 7:45PM1.75m | 8:38AM1.47m | 8:17PM1.69m | |||||||||||||||
Low Tide | 1:07PM0.61m | 1:43AM0.50m | 1:37PM0.73m | 2:27AM0.51m | 2:09PM0.88m | |||||||||||||||
 | |  |  |  |  | | | | | | | | | | |  | | | | |
 | — | — | — | — | — | 5:18 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — |
 | — | — | 6:15 | — | — | — | — | — | — | — | 6:14 | — | — | — | — | — | — | — | 6:13 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 27 | 26 | 26 | 25 | 25 | 24 | 25 | 26 | 26 | 26 | 25 | 25 | 25 | 24 | 26 | 27 | 27 | 26 | 26 |
Feels °C | 29 | 28 | 28 | 29 | 27 | 27 | 26 | 26 | 27 | 27 | 28 | 27 | 28 | 29 | 28 | 30 | 30 | 29 | 29 | 30 |
Swell 1 Height (m) Direction Period (s) | SSW 8 | SW 9 | SSW 9 | SSW 8 | E 13 | ESE 13 | ESE 13 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 11 | ESE 11 | E 11 | E 11 | E 11 | S 8 | S 8 | S 9 | S 9 |
| kJ | 19 | 30 | 46 | 39 | 130 | 178 | 165 | 160 | 192 | 186 | 186 | 205 | 209 | 160 | 149 | 112 | 88 | 90 | 94 | 127 |
Swell 2 Height (m) Direction Period (s) | SW 5 | SSW 7 | SW 9 | SW 9 | SSW 8 | S 8 | S 8 | SW 9 | SW 9 | SW 9 | SW 9 | SSW 8 | S 8 | S 8 | S 8 | S 8 | E 11 | E 10 | E 10 | E 10 |
| kJ | 10 | 17 | 29 | 41 | 40 | 35 | 35 | 40 | 40 | 36 | 38 | 23 | 34 | 48 | 64 | 66 | 110 | 102 | 71 | 96 |
Swell 3 Height (m) Direction Period (s) | SW 9 | ESE 14 | ESE 14 | ESE 14 | SW 9 | SW 9 | SW 9 | S 8 | S 8 | SSW 9 | SSW 8 | SW 9 | SW 8 | SW 8 | SW 8 | SW 9 | SW 9 | SW 9 | E 13 | SE 11 |
| kJ | 31 | 37 | 64 | 74 | 41 | 41 | 41 | 35 | 35 | 26 | 23 | 26 | 25 | 25 | 18 | 20 | 22 | 13 | 31 | 18 |
Wind waves Height (m) Direction Period (s) | E 4 | E 4 | ESE 4 | ESE 5 | E 5 | E 5 | E 5 | E 4 | E 4 | E 4 | E 4 | E 4 | — | E 4 | — | — | — | — | — | — |
| kJ | 16 | 22 | 24 | 35 | 44 | 46 | 27 | 18 | 17 | 16 | 8 | 7 | — | 2 | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 150 | 150 | 355 | 150 | 150 | 150 | 150 | 150 | 104 | 104 | 104 | 103 | 13 | 2 | 2 | 13 | 104 | 104 | 65 | 2 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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