Surf Forecasts:
How big are the waves at Katahama today (11 Oct):
- Morning surf: Morning surf (11 Oct, local time) - 6ft (1.9m), 11s period with ESE swell.
- Afternoon surf: Afternoon surf (11 Oct, local time) - 5.5ft (1.7m), 11s period with ESE swell.
- Evening surf: Evening surf (11 Oct, local time) - 5ft (1.6m), 11s period with E swell.
The current surf forecast for Katahama at 4AM is: 2.0m 12s primary swell from a East-southeast direction and 0.1m 8s secondary swell from a South direction (forecast issued at 08:00pm October 10). The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Oct) | 6ft (1.9m) | 11s |
| Afternoon (11 Oct) | 5.5ft (1.7m) | 11s |
| Evening (11 Oct) | 5ft (1.6m) | 11s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 23°C on Mon morning, min 19°C on Sat night). Wind will be generally light. | ||||||||||||||||||
Sat 10 | Sunday 11 | Monday 12 | ||||||||||||||||
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) | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | E 11 | SE 16 | SE 16 | SE 15 | SE 15 | SE 16 | SE 14 | SE 14 | SE 14 |
Wave Graph  | ||||||||||||||||||
 kJ | 1033 | 1016 | 983 | 1047 | 994 | 843 | 813 | 698 | 698 | 584 | 643 | 783 | 677 | 882 | 1140 | 825 | 899 | 791 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-off | cross-off | cross-off | cross-off | glassy | on | cross-on | glassy | off | cross-off | cross-off | cross-off | cross | cross-on | glassy | glassy | cross-on |
High Tide | 4:47PM1.71m | 5:22AM1.66m | 5:08PM1.75m | 5:56AM1.67m | 5:31PM1.78m | |||||||||||||
Low Tide | 11:12PM0.45m | 11:14AM0.71m | 11:38PM0.36m | 11:39AM0.76m | ||||||||||||||
 | | | |  | | |  |  | | | | | | | | | | |
 | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:17 | — | — | — | — | — | — | — | 5:16 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 22 | 21 | 20 | 20 | 19 | 21 | 22 | 22 | 22 | 21 | 21 | 20 | 20 | 21 | 23 | 23 | 22 | 22 |
Feels °C | 22 | 20 | 20 | 20 | 19 | 22 | 22 | 22 | 23 | 22 | 22 | 20 | 20 | 21 | 23 | 24 | 23 | 23 |
Swell 1 Height (m) Direction Period (s) | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | E 11 | E 10 | E 10 | E 10 | SE 15 | SE 16 | SE 14 | SE 14 | SE 14 |
| kJ | 1033 | 1016 | 983 | 1047 | 994 | 843 | 813 | 698 | 698 | 584 | 468 | 384 | 384 | 882 | 1140 | 825 | 899 | 791 |
Swell 2 Height (m) Direction Period (s) | S 9 | — | S 8 | S 8 | S 8 | S 9 | SE 19 | SE 18 | SE 19 | SE 18 | SE 16 | SE 16 | SE 15 | E 10 | E 10 | E 10 | E 10 | E 10 |
| kJ | 2 | — | 1 | 1 | 1 | 1 | 15 | 50 | 281 | 432 | 643 | 783 | 677 | 369 | 369 | 384 | 307 | 314 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | S 9 | SE 21 | S 8 | S 8 | ESE 10 | ESE 10 | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 1 | 71 | 1 | 1 | 269 | 214 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | E 10 | E 10 | — | E 9 | E 10 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 660 | 730 | — | 568 | 587 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 2 | 2 | 2 | 2 | 2 | 2 | 13 | 6 | 2 | 2 | 2 | 2 | 2 | 13 | 6 | 2 | 2 | 13 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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