Surf Forecasts:
How big are the waves at Katahama today (15 Jul):
- Morning surf: Morning surf (15 Jul, local time) - 1ft (0.3m), 10s period with ESE swell.
- Afternoon surf: Afternoon surf (15 Jul, local time) - 1.5ft (0.4m), 10s period with ESE swell.
- Evening surf: Evening surf (15 Jul, local time) - 1.5ft (0.4m), 9s period with ESE swell.
The current surf forecast for Katahama at 8AM is: 0.3m 10s primary swell from a East-southeast direction (forecast issued at 02:00am July 15). An open ocean swell of 0.9m 9s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Jul) | 1ft (0.3m) | 10s |
| Afternoon (15 Jul) | 1.5ft (0.4m) | 10s |
| Evening (15 Jul) | 1.5ft (0.4m) | 9s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 7mm), mostly falling on Fri night. Warm (max 31°C on Wed afternoon, min 25°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 15 | Thursday 16 | Friday 17 | ||||||||||||||||||||||
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 10 | E 10 | ESE 10 | SE 11 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | SE 11 | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 17 | 17 | 18 | 19 | 30 | 31 | 29 | 28 | 27 | 18 | 41 | 38 | 36 | 36 | 35 | 51 | 55 | 57 | 56 | 55 | 55 | 54 | 54 | 73 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | glassy | cross | cross-on | cross | cross-off | cross-off | cross-off | cross-off | glassy | glassy | cross-on | cross | cross-on | glassy | glassy | cross | cross | on | on | on | on | cross-on |
High Tide | 4:56AM1.63m | 6:42PM1.61m | 5:36AM1.65m | 7:09PM1.64m | 6:18AM1.64m | 7:38PM1.66m | ||||||||||||||||||
Low Tide | 11:42PM1.04m | 11:58AM0.19m | 00:15AM0.97m | 12:30PM0.21m | 00:51AM0.89m | 1:03PM0.25m | ||||||||||||||||||
 | |  | | | |  |  |  | | | | | | | | | | |  | | | |  | |
 | — | 4:43 | — | — | — | — | — | — | — | 4:45 | — | — | — | — | — | — | — | 4:45 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:00 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | — | 1 |
Temp °C | 26 | 26 | 26 | 29 | 30 | 31 | 29 | 28 | 28 | 27 | 27 | 29 | 30 | 30 | 29 | 28 | 27 | 27 | 27 | 28 | 29 | 29 | 27 | 26 |
Feels °C | 29 | 30 | 30 | 32 | 32 | 33 | 29 | 30 | 30 | 30 | 32 | 34 | 33 | 32 | 33 | 34 | 32 | 32 | 32 | 32 | 32 | 32 | 29 | 28 |
Swell 1 Height (m) Direction Period (s) | SW 10 | SW 10 | SSW 9 | SSW 9 | SSW 9 | ESE 10 | ESE 9 | SW 9 | SW 9 | E 10 | E 9 | SW 8 | E 9 | E 9 | E 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 7 | SW 7 | SW 7 |
| kJ | 220 | 207 | 148 | 145 | 145 | 31 | 29 | 81 | 62 | 16 | 41 | 80 | 36 | 36 | 35 | 138 | 117 | 96 | 94 | 67 | 67 | 65 | 65 | 52 |
Swell 2 Height (m) Direction Period (s) | E 10 | E 10 | ESE 10 | ESE 10 | ESE 10 | SE 10 | SE 11 | ESE 9 | ESE 9 | ESE 8 | SE 11 | E 9 | SE 10 | SE 11 | SE 11 | E 8 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 |
| kJ | 17 | 17 | 18 | 19 | 30 | 15 | 18 | 28 | 27 | 14 | 18 | 38 | 16 | 18 | 18 | 51 | 55 | 57 | 56 | 55 | 55 | 54 | 54 | 73 |
Swell 3 Height (m) Direction Period (s) | SE 10 | SE 10 | SE 10 | SE 11 | SE 11 | SE 9 | SE 11 | SE 11 | SE 11 | SE 11 | — | SE 11 | S 13 | — | E 15 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 |
| kJ | 17 | 17 | 17 | 18 | 18 | 3 | 4 | 18 | 18 | 18 | — | 18 | 3 | — | 4 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 14 | 13 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | SSW 9 | SW 9 | SW 4 | SW 4 | SW 8 | SW 8 | SW 4 | SW 8 | SW 8 | SW 8 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 141 | 230 | 28 | 21 | 160 | 153 | 18 | 165 | 208 | 182 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 13 | 2 | 2 | 65 | 6 | 65 | 65 | 65 | 2 | 2 | 2 | 2 | 6 | 65 | 6 | 2 | 6 | 13 | 13 | 13 | 397 | 352 | 208 | 208 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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