Surf Forecasts:
How big are the waves at Katahama today (31 Oct):
- Afternoon surf: Afternoon surf (31 Oct, local time) - 2.5ft (0.8m), 16s period with SE swell.
- Evening surf: Evening surf (31 Oct, local time) - 3.5ft (1.1m), 18s period with SE swell.
The current surf forecast for Katahama at 9PM is: 1.1m 18s primary swell from a Southeast direction and 1.3m 15s secondary swell from a Southeast direction (forecast issued at 02:00pm October 31). An open ocean swell of 1.8m 6s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 4.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Oct) | - | - |
| Afternoon (31 Oct) | 2.5ft (0.8m) | 16s |
| Evening (31 Oct) | 3.5ft (1.1m) | 18s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 18mm), heaviest on Mon afternoon. Warm (max 21°C on Sat afternoon, min 14°C on Mon night). Winds decreasing (strong winds from the WNW on Sat afternoon, calm by Sun morning). | ||||||||||||||||||||
Sat 31 | Sunday 1 | Monday 2 | ||||||||||||||||||
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) | SE 16 | SE 16 | SE 19 | SE 18 | SE 20 | SE 19 | SE 18 | SE 17 | SE 16 | SSE 15 | SSE 14 | SSE 15 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | SSE 13 |
Wave Graph  | ||||||||||||||||||||
 kJ | 844 | 375 | 1677 | 752 | 2110 | 2117 | 2485 | 2475 | 2320 | 1809 | 1604 | 1589 | 1435 | 1014 | 745 | 745 | 649 | 640 | 630 | 640 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | off | off | off | off | glassy | glassy | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | off |
High Tide | 9:22AM1.44m | 7:47PM1.49m | 10:46AM1.40m | 8:45PM1.35m | 12:22PM1.42m | |||||||||||||||
Low Tide | 2:31PM1.12m | 3:18AM0.46m | 4:12PM1.16m | 4:31AM0.57m | 6:22PM1.10m | |||||||||||||||
 | |  | |  | | | | | | | | | | |  |  | |  | | |
 | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — |
 | — | 4:54 | — | — | — | — | — | — | — | 4:53 | — | — | — | — | — | — | — | 4:52 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 4 | 13 | — |
Temp °C | 21 | 21 | 18 | 16 | 16 | 16 | 16 | 17 | 18 | 18 | 18 | 17 | 17 | 17 | 16 | 18 | 18 | 17 | 16 | 15 |
Feels °C | 14 | 13 | 10 | 11 | 12 | 13 | 13 | 16 | 18 | 17 | 18 | 15 | 13 | 14 | 13 | 16 | 18 | 17 | 17 | 14 |
Swell 1 Height (m) Direction Period (s) | SE 16 | SE 10 | SE 19 | SE 15 | SE 20 | SE 19 | SE 18 | SE 17 | SE 16 | SSE 15 | SSE 14 | SSE 15 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | SW 6 | SW 7 |
| kJ | 844 | 229 | 1677 | 743 | 2110 | 2117 | 2485 | 2475 | 2320 | 1809 | 1604 | 1589 | 1435 | 1014 | 745 | 745 | 649 | 640 | 175 | 210 |
Swell 2 Height (m) Direction Period (s) | SE 20 | SE 16 | SE 20 | SE 18 | ESE 10 | ESE 10 | W 5 | W 5 | WNW 5 | E 9 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | ESE 9 | E 9 | SSE 13 | SSE 13 |
| kJ | 322 | 375 | 557 | 752 | 107 | 105 | 33 | 21 | 29 | 99 | 67 | 67 | 67 | 67 | 45 | 44 | 28 | 42 | 630 | 640 |
Swell 3 Height (m) Direction Period (s) | SE 20 | SE 20 | — | SE 18 | ESE 10 | — | W 6 | — | — | — | — | — | — | — | — | — | — | — | E 9 | ESE 9 |
| kJ | 335 | 315 | — | 312 | 109 | — | 45 | — | — | — | — | — | — | — | — | — | — | — | 42 | 27 |
Wind waves Height (m) Direction Period (s) | W 6 | W 6 | W 6 | WNW 6 | WNW 6 | W 5 | WNW 5 | WNW 5 | — | E 4 | — | — | W 3 | WSW 4 | WSW 4 | WSW 4 | SW 4 | SW 5 | — | — |
| kJ | 200 | 246 | 289 | 240 | 135 | 59 | 91 | 48 | — | 13 | — | — | 7 | 13 | 16 | 12 | 9 | 24 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 103 | 85 | 66 | 2 | 2 | 2 | 2 | 2 | 2 | 94 | 6 | 2 | 6 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
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