Surf Forecasts:
How big are the waves at Katahama today (30 Aug):
- Morning surf: Morning surf (30 Aug, local time) - 1ft (0.3m), 11s period with E swell.
- Afternoon surf: Afternoon surf (30 Aug, local time) - 1ft (0.3m), 11s period with E swell.
- Evening surf: Evening surf (30 Aug, local time) - 1ft (0.3m), 11s period with E swell.
The current surf forecast for Katahama at 1AM is: 0.4m 11s primary swell from a East direction and 0.4m 4s secondary swell from a East-northeast direction (forecast issued at 08:00pm August 29). An open ocean swell of 1.4m 6s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Aug) | 1ft (0.3m) | 11s |
| Afternoon (30 Aug) | 1ft (0.3m) | 11s |
| Evening (30 Aug) | 1ft (0.3m) | 11s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 7mm), mostly falling on Sat night. Warm (max 28°C on Mon morning, min 24°C on Sat night). Wind will be generally light. | ||||||||||||||||||
Sat 29 | Sunday 30 | Monday 31 | ||||||||||||||||
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 | E 11 | E 11 | E 11 | E 11 | E 11 | E 11 | E 11 | SE 10 | E 5 | E 2 | E 3 | ESE 14 | ESE 14 | ESE 14 |
Wave Graph  | ||||||||||||||||||
 kJ | 41 | 39 | 38 | 38 | 21 | 22 | 22 | 22 | 22 | 22 | 21 | 16 | 1 | 1 | 7 | 38 | 64 | 74 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross | cross | cross | cross | cross-on | on | cross-on | cross |
High Tide | 6:23PM1.76m | 6:28AM1.72m | 6:48PM1.79m | 7:07AM1.67m | 7:15PM1.79m | |||||||||||||
Low Tide | 00:33AM0.59m | 12:38PM0.51m | 1:06AM0.53m | 1:07PM0.61m | ||||||||||||||
 |  |  |  |  | | |  | |  | | | | |  | | |  | |
 | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — |
 | 6:17 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:15 | — |
mm | 1 | 5 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 26 | 25 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 28 | 28 | 27 | 27 |
Feels °C | 31 | 31 | 29 | 27 | 27 | 27 | 28 | 28 | 29 | 29 | 29 | 29 | 28 | 29 | 31 | 31 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | SSW 8 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 | SSW 8 | SSW 9 | SSW 8 |
| kJ | 20 | 102 | 162 | 136 | 123 | 80 | 56 | 35 | 27 | 39 | 26 | 27 | 27 | 26 | 27 | 40 | 46 | 39 |
Swell 2 Height (m) Direction Period (s) | E 11 | SSW 7 | E 11 | E 11 | ENE 4 | SSW 8 | SSW 8 | SSW 7 | SSW 7 | SW 6 | SW 5 | SW 10 | SW 10 | SW 10 | SW 9 | SW 9 | SW 9 | SW 9 |
| kJ | 41 | 18 | 38 | 38 | 5 | 20 | 19 | 30 | 18 | 12 | 7 | 15 | 24 | 33 | 31 | 29 | 29 | 41 |
Swell 3 Height (m) Direction Period (s) | SW 9 | E 11 | SE 11 | SE 10 | E 11 | E 11 | E 11 | E 11 | E 11 | E 11 | E 11 | SE 10 | SW 5 | SW 5 | SW 5 | ESE 14 | ESE 14 | ESE 14 |
| kJ | 20 | 39 | 18 | 16 | 21 | 22 | 22 | 22 | 22 | 22 | 21 | 16 | 7 | 4 | 4 | 38 | 64 | 74 |
Wind waves Height (m) Direction Period (s) | SW 6 | — | ENE 3 | ENE 4 | — | E 4 | ENE 3 | E 4 | — | E 6 | — | — | E 5 | E 2 | E 3 | E 4 | E 4 | E 5 |
| kJ | 82 | — | 4 | 5 | — | 4 | 1 | 1 | — | 1 | — | — | 1 | 1 | 7 | 22 | 33 | 27 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 2 | 2 | 13 | 94 | 94 | 161 | 13 | 145 | 190 | 13 | 161 | 161 | 186 | 13 | 13 | 145 | 355 | 103 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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