Surf Forecasts:
How big are the waves at Katahama today (12 Oct):
- Afternoon surf: Afternoon surf (12 Oct, local time) - 7ft (2.1m), 15s period with ESE swell.
- Evening surf: Evening surf (12 Oct, local time) - 5ft (1.5m), 14s period with SE swell.
The current surf forecast for Katahama at 7PM is: 1.6m 14s primary swell from a Southeast direction and 1.2m 9s secondary swell from a East direction (forecast issued at 02:00pm October 12). An open ocean swell of 1.6m 9s is not directed at the surf break. The wind direction is predicted to be glassy and the swell rating is 4.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Oct) | - | - |
| Afternoon (12 Oct) | 7ft (2.1m) | 15s |
| Evening (12 Oct) | 5ft (1.5m) | 14s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Wed morning. Warm (max 25°C on Wed afternoon, min 19°C on Wed night). Winds increasing (calm on Mon afternoon, fresh winds from the W by Wed afternoon). | ||||||||||||||||||||
Mon 12 | Tuesday 13 | Wednesday 14 | ||||||||||||||||||
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) | ESE 15 | ESE 15 | SE 14 | SE 14 | SE 13 | SE 13 | SE 13 | SE 13 | SE 13 | SE 12 | SE 12 | SE 12 | ESE 11 | ESE 11 | ESE 10 | ESE 10 | ESE 10 | E 10 | ESE 9 | ESE 9 |
Wave Graph  | ||||||||||||||||||||
 kJ | 1846 | 1772 | 1092 | 886 | 704 | 637 | 618 | 609 | 581 | 479 | 421 | 314 | 373 | 308 | 274 | 250 | 205 | 188 | 141 | 110 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | glassy | cross-off | cross | cross-off | cross-off | cross | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 5:31PM1.78m | 6:32AM1.65m | 5:58PM1.79m | 7:11AM1.61m | 6:27PM1.76m | |||||||||||||||
Low Tide | 11:39AM0.76m | 00:08AM0.30m | 12:06PM0.82m | 00:42AM0.27m | 12:37PM0.90m | |||||||||||||||
 | |  |  | | | | | | | | | | |  | |  | | | | |
 | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — |
 | — | 5:16 | — | — | — | — | — | — | — | 5:15 | — | — | — | — | — | — | — | 5:15 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — |
Temp °C | 24 | 24 | 23 | 22 | 21 | 20 | 20 | 21 | 22 | 23 | 22 | 21 | 20 | 20 | 20 | 23 | 24 | 25 | 23 | 19 |
Feels °C | 24 | 24 | 25 | 22 | 20 | 19 | 20 | 21 | 22 | 23 | 23 | 22 | 21 | 20 | 19 | 22 | 22 | 21 | 19 | 14 |
Swell 1 Height (m) Direction Period (s) | ESE 15 | ESE 15 | SE 14 | SE 14 | SE 13 | SE 13 | SE 13 | SE 13 | SE 13 | SE 12 | SE 12 | SE 12 | ESE 11 | ESE 11 | ESE 10 | ESE 10 | ESE 10 | E 10 | ESE 9 | ESE 9 |
| kJ | 1846 | 1772 | 1092 | 886 | 704 | 637 | 618 | 609 | 581 | 479 | 421 | 314 | 373 | 308 | 274 | 250 | 205 | 188 | 141 | 110 |
Swell 2 Height (m) Direction Period (s) | SE 15 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | E 13 | E 13 | E 13 | E 13 | — | — | — | — |
| kJ | 1020 | 407 | 235 | 235 | 320 | 327 | 241 | 194 | 155 | 95 | 93 | 91 | 3 | 3 | 3 | 3 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | E 13 | E 14 | E 14 | E 14 | E 14 | — | E 13 | E 12 | E 13 | E 13 | — | — | — | — | — | — |
| kJ | — | — | — | — | 4 | 4 | 4 | 4 | 4 | — | 3 | 3 | 3 | 3 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | E 9 | E 9 | — | E 9 | — | — | E 9 | E 9 | — | — | — | — | — | — | SW 2 | WSW 4 | WSW 4 | W 5 | W 5 |
| kJ | — | 521 | 359 | — | 528 | — | — | 304 | 257 | — | — | — | — | — | — | 2 | 17 | 39 | 77 | 142 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 13 | 85 | 2 | 2 | 13 | 2 | 2 | 2 | 13 | 6 | 6 | 2 | 2 | 2 | 2 | 94 | 352 | 369 | 103 | 65 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
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