Surf Forecasts:
How big are the waves at Katahama today (19 Jul):
- Morning surf: Morning surf (19 Jul, local time) - 2.5ft (0.7m), 10s period with E swell.
- Afternoon surf: Afternoon surf (19 Jul, local time) - 2.5ft (0.7m), 9s period with E swell.
- Evening surf: Evening surf (19 Jul, local time) - 2.5ft (0.7m), 9s period with E swell.
The current surf forecast for Katahama at 4AM is: 0.8m 10s primary swell from a East-southeast direction and 0.5m 4s secondary swell from a Southeast direction (forecast issued at 08:00pm July 18). An open ocean swell of 0.4m 7s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Jul) | 2.5ft (0.7m) | 10s |
| Afternoon (19 Jul) | 2.5ft (0.7m) | 9s |
| Evening (19 Jul) | 2.5ft (0.7m) | 9s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Sat night. Warm (max 30°C on Mon afternoon, min 25°C on Sat night). Wind will be generally light. | ||||||||||||||||||
Sat 18 | Sunday 19 | Monday 20 | ||||||||||||||||
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 9 | E 9 | E 9 | ESE 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 |
Wave Graph  | ||||||||||||||||||
 kJ | 61 | 61 | 87 | 125 | 120 | 92 | 87 | 83 | 83 | 83 | 80 | 58 | 58 | 79 | 78 | 57 | 55 | 52 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | glassy | glassy | glassy | glassy | glassy | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross-off |
High Tide | 8:10PM1.67m | 7:49AM1.52m | 8:44PM1.66m | 8:41AM1.42m | ||||||||||||||
Low Tide | 2:16AM0.76m | 2:14PM0.46m | 3:06AM0.72m | 2:52PM0.61m | ||||||||||||||
 |  |  | | | |  | | | | | | | | | | | | |
 | — | — | — | 4:47 | — | — | — | — | — | — | — | 4:47 | — | — | — | — | — | — |
 | 6:59 | — | — | — | — | — | — | — | 6:59 | — | — | — | — | — | — | — | 6:58 | — |
mm | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 27 | 26 | 26 | 25 | 28 | 28 | 29 | 28 | 27 | 26 | 26 | 26 | 29 | 29 | 30 | 29 | 27 |
Feels °C | 32 | 32 | 31 | 31 | 28 | 32 | 30 | 31 | 31 | 31 | 30 | 30 | 30 | 33 | 31 | 32 | 31 | 30 |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | ESE 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 |
| kJ | 61 | 61 | 87 | 125 | 120 | 92 | 87 | 83 | 83 | 83 | 80 | 58 | 58 | 79 | 78 | 57 | 55 | 52 |
Swell 2 Height (m) Direction Period (s) | SW 7 | SW 7 | SW 7 | SW 7 | SSE 8 | SE 7 | SSE 7 | SE 8 | SE 8 | SE 8 | SE 7 | SE 7 | SE 6 | SW 6 | SSE 9 | SE 8 | SE 8 | SE 8 |
| kJ | 17 | 18 | 17 | 16 | 23 | 27 | 21 | 18 | 17 | 14 | 14 | 8 | 10 | 6 | 8 | 18 | 11 | 11 |
Swell 3 Height (m) Direction Period (s) | SSE 4 | SE 4 | SE 4 | SE 8 | SW 7 | SW 7 | SW 7 | S 8 | S 8 | S 8 | S 8 | S 8 | SW 6 | SSE 8 | S 7 | S 7 | S 7 | WSW 8 |
| kJ | 7 | 4 | 4 | 15 | 16 | 16 | 11 | 10 | 10 | 5 | 10 | 4 | 6 | 7 | 4 | 4 | 4 | 6 |
Wind waves Height (m) Direction Period (s) | — | — | — | SE 4 | — | — | — | SSW 7 | SW 7 | SW 7 | SW 7 | SW 7 | WSW 2 | WSW 2 | SW 6 | SW 3 | SW 3 | SW 3 |
| kJ | — | — | — | 8 | — | — | — | 18 | 23 | 16 | 16 | 11 | 1 | 1 | 14 | 5 | 6 | 4 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 208 | 6 | 6 | 6 | 6 | 6 | 6 | 65 | 6 | 6 | 6 | 6 | 6 | 6 | 65 | 211 | 236 | 6 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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