Surf Forecasts:
How big are the waves at Katahama today (21 Jun):
- Afternoon surf: Afternoon surf (21 Jun, local time) - 1ft (0.3m), 9s period with SE swell.
- Evening surf: Evening surf (21 Jun, local time) - 1.5ft (0.4m), 9s period with SE swell.
The current surf forecast for Katahama at 8PM is: 0.4m 9s primary swell from a Southeast direction and 0.2m 12s secondary swell from a East direction (forecast issued at 02:00pm June 21). An open ocean swell of 2.4m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jun) | - | - |
| Afternoon (21 Jun) | 1ft (0.3m) | 9s |
| Evening (21 Jun) | 1.5ft (0.4m) | 9s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 6mm), mostly falling on Mon night. Warm (max 29°C on Sun afternoon, min 20°C on Mon night). Winds decreasing (strong winds from the W on Sun night, calm by Tue afternoon). | ||||||||||||||||||||||||
Sun 21 | Monday 22 | Tuesday 23 | Wed 24 | |||||||||||||||||||||
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 | 12 AM | 3 AM | 6 AM | 9 AM | |
Swell Height Map |  |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SE 9 | SE 9 | SE 11 | SE 9 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 11 | SE 11 | SE 11 | ENE 5 | SE 9 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 13 | 13 | 19 | 30 | 32 | 25 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 37 | 40 | 43 | 31 | 44 | 23 | 17 | 27 | 37 | 38 | 38 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | on | on | cross-on | on | on | cross-on | cross | cross | cross | cross | glassy | glassy | glassy | glassy | glassy | cross-off | cross-on |
High Tide | 10:28PM1.51m | 10:23AM1.19m | 11:22PM1.49m | 12:16PM1.14m | 00:17AM1.48m | |||||||||||||||||||
Low Tide | 3:36PM0.52m | 5:03AM0.79m | 4:30PM0.68m | 6:18AM0.71m | 5:33PM0.83m | 7:30AM0.60m | ||||||||||||||||||
 | | |  | |  |  |  | | | |  |  | |  | | | | | | | | | | |
 | — | — | — | — | — | 4:33 | — | — | — | — | — | — | — | 4:33 | — | — | — | — | — | — | — | 4:33 | — | — |
 | — | — | 7:02 | — | — | — | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:02 | — | — | — | — | 7:02 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 2 | 1 | 1 | — | — | — | — | — | — | — | — |
Temp °C | 28 | 29 | 27 | 24 | 23 | 22 | 22 | 23 | 23 | 22 | 22 | 22 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 20 | 20 | 20 | 22 |
Feels °C | 26 | 25 | 23 | 19 | 20 | 21 | 23 | 24 | 23 | 22 | 23 | 22 | 22 | 21 | 21 | 21 | 21 | 23 | 23 | 23 | 22 | 22 | 21 | 23 |
Swell 1 Height (m) Direction Period (s) | SE 9 | SE 9 | SE 9 | SE 9 | SE 10 | SE 10 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | SW 6 | SW 6 | E 6 | E 5 | E 5 | E 10 | E 10 | E 10 | E 10 | E 10 |
| kJ | 13 | 13 | 13 | 30 | 32 | 25 | 359 | 223 | 191 | 180 | 156 | 94 | 75 | 57 | 44 | 28 | 21 | 21 | 8 | 74 | 73 | 71 | 71 | 49 |
Swell 2 Height (m) Direction Period (s) | SSE 11 | SSE 11 | SE 11 | E 12 | E 12 | E 12 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 11 | SE 11 | SW 6 | SSW 6 | ENE 10 | SW 5 | SE 10 | SE 10 | SE 10 | SE 10 |
| kJ | 12 | 12 | 19 | 11 | 11 | 11 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 37 | 40 | 43 | 16 | 13 | 35 | 7 | 27 | 37 | 38 | 38 |
Swell 3 Height (m) Direction Period (s) | E 6 | E 6 | E 12 | E 17 | ENE 9 | SE 16 | ENE 12 | ENE 12 | E 11 | ENE 11 | ENE 10 | E 3 | E 4 | ENE 10 | ENE 10 | WNW 4 | SE 11 | SE 11 | SE 9 | SE 10 | SW 5 | SSW 5 | SSW 13 | SSW 12 |
| kJ | 2 | 1 | 11 | 6 | 8 | 10 | 14 | 13 | 9 | 11 | 10 | 1 | 4 | 19 | 18 | 3 | 31 | 44 | 23 | 17 | 7 | 5 | 33 | 29 |
Wind waves Height (m) Direction Period (s) | SW 8 | SW 8 | SW 8 | WSW 8 | WSW 8 | WSW 7 | W 7 | W 7 | W 7 | W 6 | ESE 3 | E 3 | W 6 | E 4 | E 4 | E 5 | — | ENE 5 | — | — | — | — | — | E 4 |
| kJ | 701 | 659 | 824 | 771 | 705 | 516 | 417 | 364 | 309 | 302 | 1 | 6 | 139 | 5 | 8 | 14 | — | 39 | — | — | — | — | — | 4 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 103 | 103 | 132 | 103 | 103 | 2 | 2 | 124 | 13 | 104 | 104 | 150 | 13 | 13 | 94 | 13 | 13 | 6 | 65 | 65 | 65 | 104 | 2 | 13 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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