Surf Forecasts:
How big are the waves at Katahama today (28 Aug):
- Afternoon surf: Afternoon surf (28 Aug, local time) - 1.5ft (0.5m), 12s period with E swell.
- Evening surf: Evening surf (28 Aug, local time) - 4.5ft (1.3m), 6s period with SW swell.
The current surf forecast for Katahama at 8PM is: 1.3m 6s primary swell from a Southwest direction and 0.5m 8s secondary swell from a South direction, 0.4m 12s secondary swell from a East direction (forecast issued at 02:00pm August 28). The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Aug) | - | - |
| Afternoon (28 Aug) | 1.5ft (0.5m) | 12s |
| Evening (28 Aug) | 4.5ft (1.3m) | 6s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Fri afternoon, min 24°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Fri 28 | Saturday 29 | Sunday 30 | ||||||||||||||||||
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) | S 8 | E 12 | E 12 | SW 6 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 11 | E 11 | E 5 | SE 10 | E 11 | E 6 | E 6 | E 6 | E 6 | E 6 |
Wave Graph  | ||||||||||||||||||||
 kJ | 84 | 74 | 71 | 111 | 44 | 44 | 43 | 42 | 42 | 42 | 41 | 39 | 34 | 27 | 21 | 25 | 17 | 11 | 10 | 6 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | glassy | off | glassy | cross-off | cross | cross-on | cross-on | cross | cross | cross | cross | cross | glassy | on | on | glassy |
High Tide | 6:02PM1.73m | 5:51AM1.72m | 6:23PM1.76m | 6:28AM1.72m | 6:48PM1.79m | |||||||||||||||
Low Tide | 11:45AM0.41m | 00:04AM0.69m | 12:11PM0.45m | 00:33AM0.59m | 12:38PM0.51m | |||||||||||||||
 |  |  |  | | | | | | | | | | | | | | | |  | |
 | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — |
 | — | — | 6:20 | — | — | — | — | — | — | — | 6:17 | — | — | — | — | — | — | — | 6:16 | — |
mm | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 28 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 27 | 25 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 |
Feels °C | 29 | 29 | 28 | 31 | 32 | 30 | 30 | 30 | 29 | 31 | 28 | 26 | 26 | 26 | 27 | 27 | 28 | 28 | 28 | 29 |
Swell 1 Height (m) Direction Period (s) | S 8 | S 8 | S 8 | S 8 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SSW 7 | SW 7 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 |
| kJ | 84 | 46 | 32 | 32 | 95 | 101 | 88 | 62 | 52 | 51 | 35 | 24 | 15 | 48 | 56 | 14 | 14 | 18 | 16 | 15 |
Swell 2 Height (m) Direction Period (s) | E 12 | E 12 | E 12 | E 12 | SW 10 | E 12 | E 12 | S 8 | SSW 8 | SSW 8 | E 11 | SSW 8 | SSW 8 | E 11 | E 11 | S 7 | S 7 | S 7 | S 7 | SSW 7 |
| kJ | 77 | 74 | 71 | 44 | 54 | 44 | 43 | 19 | 20 | 20 | 41 | 19 | 19 | 21 | 21 | 28 | 28 | 28 | 28 | 18 |
Swell 3 Height (m) Direction Period (s) | SW 11 | SW 11 | SSE 10 | SW 10 | E 12 | SW 11 | SW 10 | E 12 | E 12 | E 12 | SSW 8 | E 11 | E 11 | SE 10 | SE 10 | E 11 | E 6 | E 6 | E 6 | E 6 |
| kJ | 29 | 29 | 9 | 28 | 44 | 29 | 27 | 42 | 42 | 42 | 20 | 39 | 22 | 27 | 16 | 22 | 17 | 11 | 10 | 6 |
Wind waves Height (m) Direction Period (s) | SW 9 | SW 6 | SW 6 | SW 6 | — | SW 6 | — | — | — | — | E 3 | E 4 | E 5 | E 5 | E 5 | E 6 | — | — | — | — |
| kJ | 226 | 89 | 111 | 111 | — | 124 | — | — | — | — | 3 | 22 | 34 | 21 | 17 | 25 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 2 | 94 | 65 | 2 | 2 | 2 | 2 | 2 | 13 | 13 | 13 | 94 | 355 | 13 | 13 | 13 | 2 | 145 | 179 | 94 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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