Surf Forecasts:
How big are the waves at Katahama today (15 Oct):
- Morning surf: Morning surf (15 Oct, local time) - 2ft (0.6m), 10s period with E swell.
- Afternoon surf: Afternoon surf (15 Oct, local time) - 4.5ft (1.3m), 7s period with E swell.
- Evening surf: Evening surf (15 Oct, local time) - 5ft (1.5m), 8s period with E swell.
The current surf forecast for Katahama at 4PM is: 1.4m 8s primary swell from a East direction (forecast issued at 08:00am October 15). An open ocean swell of 0.5m 8s is not directed at the surf break, a second open ocean swell of 0.2m 4s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Oct) | 2ft (0.6m) | 10s |
| Afternoon (15 Oct) | 4.5ft (1.3m) | 7s |
| Evening (15 Oct) | 5ft (1.5m) | 8s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 23°C on Fri afternoon, min 19°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||
Thursday 15 | Friday 16 | Saturday 17 | ||||||||||||||||||||
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 9 | E 10 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 7 | ESE 6 | ESE 6 | E 6 | ESE 6 | E 8 | E 8 | E 8 | E 8 | E 5 | E 6 | E 7 | E 7 | E 7 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 175 | 69 | 110 | 178 | 284 | 305 | 187 | 131 | 61 | 44 | 31 | 19 | 13 | 32 | 30 | 30 | 29 | 14 | 71 | 150 | 262 | 245 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | on | cross-on | cross | cross-off | cross-off | cross-off | glassy | cross-on | cross-on | cross-off | cross | cross-off | cross-off | cross-off | cross | cross | on | cross-on | cross-on |
High Tide | 7:56AM1.54m | 6:59PM1.70m | 8:51AM1.45m | 7:35PM1.59m | 10:10AM1.38m | 8:17PM1.46m | ||||||||||||||||
Low Tide | 1:12PM0.98m | 2:04AM0.35m | 1:55PM1.08m | 2:58AM0.45m | 3:04PM1.18m | |||||||||||||||||
 | | | |  |  |  | |  | | |  | | | | | | | | | | | |
 | 5:50 | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — |
 | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:12 | — | — | — | — | — | — | — | 5:10 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 21 | 22 | 22 | 21 | 21 | 19 | 19 | 19 | 20 | 22 | 23 | 22 | 21 | 21 | 20 | 20 | 21 | 22 | 23 | 22 | 21 |
Feels °C | 18 | 18 | 20 | 22 | 21 | 21 | 19 | 19 | 18 | 20 | 21 | 21 | 21 | 20 | 20 | 19 | 18 | 18 | 20 | 22 | 21 | 20 |
Swell 1 Height (m) Direction Period (s) | W 5 | E 10 | E 9 | E 8 | SW 6 | W 5 | E 8 | E 8 | E 7 | ESE 6 | ESE 6 | E 6 | ESE 6 | E 8 | E 8 | E 8 | E 8 | ESE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 7 |
| kJ | 27 | 66 | 71 | 37 | 1 | 1 | 187 | 131 | 61 | 44 | 31 | 19 | 11 | 32 | 30 | 30 | 29 | 11 | 6 | 6 | 6 | 5 |
Swell 2 Height (m) Direction Period (s) | E 10 | W 5 | W 5 | W 5 | — | — | ENE 10 | ENE 10 | ENE 10 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | W 4 | W 4 | W 4 | W 5 | W 5 | W 5 | — | E 13 | E 13 |
| kJ | 122 | 13 | 4 | 2 | — | — | 21 | 21 | 20 | 13 | 13 | 13 | 13 | 5 | 5 | 6 | 4 | 2 | 2 | — | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | SE 9 | SE 9 | SW 6 | SW 6 | — | — | W 5 | — | ESE 9 | ENE 10 | ENE 10 | ENE 10 | W 4 | ENE 10 | SSE 9 | SSE 8 | SSE 8 | SSE 8 | E 9 | E 13 | — | E 13 |
| kJ | 20 | 20 | 1 | 1 | — | — | 1 | — | 15 | 20 | 19 | 20 | 2 | 10 | 7 | 7 | 7 | 7 | 2 | 3 | — | 4 |
Wind waves Height (m) Direction Period (s) | E 9 | E 5 | E 7 | E 7 | E 8 | E 8 | E 8 | NNE 3 | NNE 3 | N 3 | — | — | — | — | — | — | E 6 | E 5 | E 6 | E 7 | E 7 | E 7 |
| kJ | 175 | 69 | 110 | 178 | 284 | 305 | 347 | 2 | 2 | 1 | — | — | — | — | — | — | 20 | 14 | 71 | 150 | 262 | 245 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 373 | 236 | 13 | 94 | 104 | 85 | 13 | 13 | 13 | 6 | 6 | 65 | 65 | 179 | 179 | 179 | 386 | 661 | 619 | 747 | 658 | 103 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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