Surf Forecasts:
How big are the waves at Katahama today (28 Aug):
- Morning surf: Morning surf (28 Aug, local time) - 2.5ft (0.7m), 9s period with S swell.
- 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) - 1.5ft (0.4m), 12s period with E swell.
The current surf forecast for Katahama at 1PM is: 0.8m 8s primary swell from a South direction (forecast issued at 08:00am August 28). An open ocean swell of 1.1m 9s is not directed at the surf break, a second open ocean swell of 1.0m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Aug) | 2.5ft (0.7m) | 9s |
| Afternoon (28 Aug) | 1.5ft (0.5m) | 12s |
| Evening (28 Aug) | 1.5ft (0.4m) | 12s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 20mm), heaviest during Fri morning. Warm (max 28°C on Sat afternoon, min 22°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||
Friday 28 | Saturday 29 | Sunday 30 | ||||||||||||||||||||
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 13 | S 9 | S 8 | E 12 | E 12 | E 12 | SW 6 | SW 6 | E 12 | E 12 | E 12 | E 12 | E 11 | E 11 | E 5 | E 5 | ENE 5 | E 11 | E 5 | E 11 | E 11 | E 11 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 79 | 74 | 86 | 74 | 71 | 44 | 62 | 67 | 43 | 42 | 42 | 42 | 41 | 39 | 37 | 24 | 28 | 22 | 9 | 22 | 22 | 22 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | glassy | cross-off | cross-off | cross-off | off | glassy | glassy | glassy | cross-on | cross-on | on | cross-on | cross | cross | cross | cross-on | on | on | cross-on | cross-on |
High Tide | 5:15AM1.69m | 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 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — |
 | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:17 | — | — | — | — | — | — | — | 6:16 | — |
mm | 7 | 3 | 14 | — | — | — | — | — | — | 1 | — | — | 1 | 1 | — | — | — | — | — | — | — | — |
Temp °C | 25 | 24 | 24 | 25 | 26 | 26 | 25 | 25 | 25 | 27 | 27 | 28 | 26 | 24 | 22 | 22 | 23 | 23 | 25 | 25 | 25 | 25 |
Feels °C | 28 | 27 | 29 | 26 | 28 | 30 | 29 | 29 | 30 | 32 | 31 | 32 | 29 | 26 | 24 | 24 | 26 | 26 | 28 | 28 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | S 9 | SW 6 | SW 9 | S 8 | S 8 | S 8 | SW 10 | SW 11 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SSW 6 | SW 6 | SW 7 | SSW 7 | S 8 | S 7 | SSW 8 | SW 4 |
| kJ | 78 | 106 | 172 | 63 | 46 | 33 | 54 | 55 | 44 | 51 | 49 | 49 | 33 | 24 | 20 | 20 | 56 | 48 | 29 | 28 | 19 | 13 |
Swell 2 Height (m) Direction Period (s) | SW 9 | SW 9 | S 8 | E 12 | E 12 | E 12 | S 8 | S 8 | E 12 | E 12 | SW 9 | E 12 | E 11 | SSW 8 | SSW 8 | SSW 8 | E 5 | E 5 | SW 5 | E 11 | E 11 | SSW 7 |
| kJ | 83 | 79 | 86 | 74 | 71 | 44 | 31 | 31 | 43 | 42 | 31 | 42 | 41 | 19 | 23 | 19 | 13 | 9 | 9 | 22 | 22 | 18 |
Swell 3 Height (m) Direction Period (s) | E 13 | S 9 | E 12 | SW 11 | SW 10 | SW 10 | E 12 | E 12 | SW 10 | SW 10 | E 12 | SW 9 | SSW 8 | E 11 | E 11 | E 11 | E 11 | E 11 | E 5 | E 5 | SE 10 | E 11 |
| kJ | 79 | 74 | 77 | 29 | 28 | 28 | 44 | 44 | 27 | 24 | 42 | 21 | 19 | 39 | 21 | 21 | 21 | 22 | 9 | 5 | 17 | 22 |
Wind waves Height (m) Direction Period (s) | SW 6 | — | WSW 6 | SW 9 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | — | — | E 3 | E 4 | E 4 | E 5 | E 5 | ENE 5 | — | — | SW 5 | SW 5 | — |
| kJ | 172 | — | 75 | 126 | 89 | 86 | 62 | 67 | 67 | — | — | 1 | 9 | 24 | 37 | 24 | 28 | — | — | 8 | 13 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 2 | 2 | 6 | 6 | 6 | 2 | 2 | 2 | 2 | 2 | 94 | 6 | 373 | 178 | 161 | 13 | 13 | 13 | 145 | 13 | 13 | 179 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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