Surf Forecasts:
How big are the waves at Katahama today (21 Jul):
- Morning surf: Morning surf (21 Jul, local time) - 2ft (0.6m), 11s period with E swell.
- 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 12PM is: 0.6m 11s primary swell from a East direction and 0.2m 8s secondary swell from a South-southeast direction, 0.4m 4s secondary swell from a Southwest direction (forecast issued at 08:00am July 21). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jul) | 2ft (0.6m) | 11s |
| 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 ForecastSome drizzle, heaviest during Tue afternoon. Warm (max 31°C on Thu morning, min 27°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | ||||||||||||||||||||
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 11 | E 11 | E 11 | E 11 | SW 4 | SW 4 | SW 4 | SW 5 | SW 5 | ESE 11 | SW 5 | SW 5 | SW 5 | SW 6 | SW 6 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 59 | 84 | 82 | 82 | 16 | 18 | 20 | 22 | 35 | 11 | 37 | 66 | 106 | 96 | 100 | 50 | 31 | 31 | 31 | 30 | 30 | 29 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross-on | cross | cross | cross-off | cross-off | cross-off | glassy | glassy | cross-on | cross | cross | 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 | 4:04AM0.70m | 3:33PM0.78m | 5:12AM0.68m | 4:21PM0.95m | 6:32AM0.63m | 5:31PM1.11m | ||||||||||||||||
 | | | |  |  | | | | | | | | | | | | | | | | | |
 | 4:48 | — | — | — | — | — | — | 4:48 | — | — | — | — | — | — | — | 4:48 | — | — | — | — | — | — |
 | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:57 | — | — | — | — | — | — | — | 6:55 | — |
mm | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 29 | 30 | 30 | 29 | 28 | 28 | 27 | 27 | 29 | 30 | 30 | 29 | 28 | 27 | 27 | 27 | 29 | 31 | 31 | 30 | 29 |
Feels °C | 32 | 33 | 33 | 34 | 33 | 32 | 33 | 33 | 33 | 34 | 33 | 32 | 31 | 33 | 32 | 33 | 33 | 34 | 35 | 33 | 34 | 35 |
Swell 1 Height (m) Direction Period (s) | E 11 | E 11 | E 11 | E 11 | E 10 | E 11 | E 10 | E 10 | E 10 | SW 5 | E 10 | ENE 10 | ENE 10 | ENE 10 | E 10 | E 10 | SW 6 | SW 5 | SW 5 | E 10 | E 10 | SW 5 |
| kJ | 59 | 84 | 82 | 82 | 55 | 57 | 56 | 52 | 51 | 37 | 51 | 34 | 35 | 34 | 50 | 50 | 58 | 40 | 32 | 30 | 30 | 26 |
Swell 2 Height (m) Direction Period (s) | E 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | WSW 8 | SW 8 | ESE 11 | E 10 | ESE 11 | ESE 11 | SE 10 | SE 11 | SE 11 | SE 11 | E 10 | E 10 | E 10 | SSE 10 | SE 10 | E 10 |
| kJ | 22 | 6 | 6 | 6 | 6 | 6 | 6 | 3 | 11 | 51 | 11 | 11 | 4 | 5 | 5 | 5 | 31 | 31 | 31 | 10 | 16 | 29 |
Swell 3 Height (m) Direction Period (s) | SSE 8 | WSW 8 | WSW 8 | WSW 8 | ESE 11 | WSW 8 | SSE 8 | SSE 8 | SW 8 | ESE 11 | SE 7 | SE 8 | S 11 | SE 11 | SE 20 | SE 20 | SSE 10 | SE 10 | SE 10 | S 7 | SSW 8 | SE 10 |
| kJ | 7 | 7 | 7 | 6 | 12 | 6 | 6 | 6 | 2 | 11 | 2 | 2 | 2 | 4 | 15 | 15 | 11 | 16 | 16 | 4 | 6 | 16 |
Wind waves Height (m) Direction Period (s) | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 5 | SW 5 | — | SW 5 | SW 5 | SW 5 | SW 6 | SW 6 | SW 6 | SW 5 | — | WSW 5 | SW 5 | SW 5 | — |
| kJ | 4 | 6 | 6 | 13 | 16 | 18 | 20 | 22 | 35 | — | 37 | 66 | 106 | 96 | 100 | 89 | 64 | — | 33 | 25 | 23 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 6 | 6 | 211 | 1372 | 397 | 65 | 65 | 65 | 65 | 2 | 1289 | 1299 | 674 | 2 | 2 | 2 | 2 | 2 | 65 | 65 | 6 | 6 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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