Surf Forecasts:
How big are the waves at Katahama today (21 Jul):
- Afternoon surf: Afternoon surf (21 Jul, local time) - 2ft (0.6m), 11s period with E swell.
- Evening surf: Evening surf (21 Jul, local time) - 2.5ft (0.7m), 4s period with SW swell.
The current surf forecast for Katahama at 8PM is: 0.6m 4s primary swell from a Southwest direction and 0.2m 8s secondary swell from a South-southeast direction (forecast issued at 02:00pm July 21). An open ocean swell of 0.5m 10s 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 Jul) | - | - |
| Afternoon (21 Jul) | 2ft (0.6m) | 11s |
| Evening (21 Jul) | 2.5ft (0.7m) | 4s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Tue afternoon. Warm (max 31°C on Wed afternoon, min 27°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Tue 21 | Wednesday 22 | Thursday 23 | ||||||||||||||||||
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 11 | E 11 | SW 4 | SW 4 | SW 4 | SW 5 | ESE 11 | SW 5 | SW 5 | SW 5 | SW 5 | SE 11 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 |
Wave Graph  | ||||||||||||||||||||
 kJ | 82 | 82 | 12 | 16 | 18 | 21 | 11 | 37 | 35 | 79 | 106 | 5 | 50 | 50 | 31 | 31 | 31 | 30 | 30 | 29 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | glassy | cross-on | cross | cross-off | cross-off | cross-off | glassy | glassy | glassy | cross-on | cross-on | cross | glassy |
High Tide | 9:46AM1.29m | 10:04PM1.58m | 11:23AM1.19m | 10:54PM1.52m | 1:49PM1.20m | |||||||||||||||
Low Tide | 3:33PM0.78m | 5:12AM0.68m | 4:21PM0.95m | 6:32AM0.63m | 5:31PM1.11m | |||||||||||||||
 |  | |  | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | 4:48 | — | — | — | — | — | — | — | 4:48 | — | — | — | — | — | — |
 | — | — | 6:58 | — | — | — | — | — | — | — | 6:57 | — | — | — | — | — | — | — | 6:55 | — |
mm | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 30 | 29 | 29 | 28 | 27 | 27 | 27 | 29 | 30 | 31 | 30 | 28 | 27 | 27 | 27 | 29 | 31 | 31 | 30 | 28 |
Feels °C | 34 | 33 | 33 | 32 | 31 | 32 | 33 | 34 | 33 | 32 | 32 | 32 | 31 | 32 | 32 | 34 | 34 | 34 | 34 | 34 |
Swell 1 Height (m) Direction Period (s) | E 11 | E 11 | E 10 | E 11 | E 10 | E 10 | E 10 | E 10 | E 10 | ENE 10 | ENE 10 | ENE 10 | E 10 | E 10 | SW 6 | SW 6 | SW 5 | E 10 | E 10 | SW 5 |
| kJ | 82 | 82 | 55 | 57 | 56 | 52 | 51 | 51 | 51 | 34 | 35 | 34 | 50 | 50 | 82 | 60 | 41 | 30 | 30 | 18 |
Swell 2 Height (m) Direction Period (s) | SSE 8 | SSE 8 | SSE 8 | SSE 8 | WSW 8 | WSW 8 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | SE 11 | SE 11 | SE 11 | SE 11 | E 10 | E 10 | E 10 | SE 10 | SE 10 | E 10 |
| kJ | 6 | 6 | 6 | 6 | 6 | 6 | 11 | 11 | 11 | 11 | 4 | 5 | 5 | 5 | 31 | 31 | 31 | 15 | 16 | 29 |
Swell 3 Height (m) Direction Period (s) | WSW 8 | WSW 8 | WSW 8 | WSW 8 | SSE 8 | SSE 8 | SW 8 | SW 8 | SE 7 | SE 8 | SE 11 | SE 11 | SE 20 | SE 20 | SSE 10 | SSE 10 | SE 10 | SSW 7 | S 8 | SE 10 |
| kJ | 7 | 6 | 6 | 6 | 6 | 6 | 2 | 2 | 2 | 2 | 5 | 4 | 15 | 15 | 11 | 10 | 15 | 5 | 5 | 16 |
Wind waves Height (m) Direction Period (s) | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 6 | SW 6 | SW 6 | WSW 6 | NW 4 | — | SW 5 | SW 5 | — |
| kJ | 6 | 9 | 12 | 16 | 18 | 21 | 28 | 37 | 35 | 79 | 106 | 107 | 111 | 115 | 105 | 2 | — | 25 | 15 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 6 | 1289 | 397 | 65 | 65 | 65 | 65 | 2 | 397 | 1303 | 706 | 2 | 2 | 2 | 2 | 2 | 65 | 104 | 6 | 6 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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