Surf Forecasts:
How big are the waves at Katahama today (16 Sep):
- Morning surf: Morning surf (16 Sep, local time) - 2ft (0.6m), 13s period with E swell.
- Afternoon surf: Afternoon surf (16 Sep, local time) - 2ft (0.6m), 13s period with E swell.
- Evening surf: Evening surf (16 Sep, local time) - 1.5ft (0.5m), 12s period with E swell.
The current surf forecast for Katahama at 2AM is: 0.8m 8s primary swell from a East-southeast direction (forecast issued at 08:00pm September 15). An open ocean swell of 0.7m 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 (16 Sep) | 2ft (0.6m) | 13s |
| Afternoon (16 Sep) | 2ft (0.6m) | 13s |
| Evening (16 Sep) | 1.5ft (0.5m) | 12s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 51mm), heaviest during Wed morning. Warm (max 25°C on Tue night, min 20°C on Thu night). Wind will be generally light. | ||||||||||||||||||
Tue 15 | Wednesday 16 | Thursday 17 | ||||||||||||||||
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 14 | ESE 8 | ESE 8 | E 13 | SE 8 | E 13 | ESE 8 | E 13 | E 13 | E 12 | E 12 | E 6 | E 6 | E 7 | E 7 | E 7 | E 6 | E 7 |
Wave Graph  | ||||||||||||||||||
 kJ | 142 | 86 | 88 | 90 | 93 | 121 | 94 | 119 | 82 | 75 | 71 | 94 | 143 | 150 | 159 | 206 | 193 | 342 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | cross-off | cross-off | glassy | cross-off | cross | on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 7:07PM1.78m | 8:05AM1.54m | 7:37PM1.73m | 8:59AM1.43m | 8:10PM1.64m | |||||||||||||
Low Tide | 1:47AM0.42m | 1:36PM0.87m | 2:33AM0.47m | 2:10PM1.01m | ||||||||||||||
 |  | | |  |  |  | |  | | | |  |  | |  |  | | |
 | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:53 | — | — | — | — | — | — | — | 5:52 | — | — |
mm | — | 1 | 2 | 3 | 9 | 22 | 2 | 3 | 3 | 3 | 2 | 1 | — | — | — | — | — | — |
Temp °C | 25 | 25 | 24 | 23 | 22 | 22 | 23 | 23 | 23 | 22 | 22 | 21 | 21 | 22 | 23 | 24 | 23 | 22 |
Feels °C | 29 | 30 | 28 | 26 | 25 | 25 | 26 | 25 | 26 | 23 | 22 | 21 | 21 | 21 | 22 | 23 | 21 | 19 |
Swell 1 Height (m) Direction Period (s) | S 6 | S 6 | S 6 | ESE 8 | SE 8 | ESE 8 | ESE 8 | E 13 | SE 8 | SE 8 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | S 9 | SE 9 |
| kJ | 61 | 61 | 48 | 90 | 93 | 76 | 94 | 119 | 78 | 50 | 71 | 45 | 44 | 44 | 44 | 24 | 2 | 3 |
Swell 2 Height (m) Direction Period (s) | ESE 8 | ESE 8 | ESE 8 | S 6 | S 6 | E 13 | E 13 | SSW 5 | E 13 | E 12 | SE 8 | E 16 | E 16 | S 9 | SE 9 | S 9 | S 7 | — |
| kJ | 84 | 86 | 88 | 36 | 26 | 121 | 84 | 6 | 82 | 75 | 25 | 5 | 5 | 2 | 3 | 2 | 1 | — |
Swell 3 Height (m) Direction Period (s) | E 14 | E 14 | E 14 | E 13 | E 13 | S 6 | S 6 | — | S 6 | — | — | E 16 | — | — | E 15 | S 7 | — | — |
| kJ | 142 | 64 | 63 | 84 | 84 | 18 | 16 | — | 9 | — | — | 5 | — | — | 4 | 1 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | ENE 3 | ENE 4 | E 4 | ESE 8 | E 4 | E 5 | E 5 | E 6 | E 6 | E 7 | E 7 | E 7 | E 6 | E 7 |
| kJ | — | — | — | — | 4 | 13 | 7 | 102 | 17 | 41 | 66 | 94 | 143 | 150 | 159 | 206 | 193 | 342 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 2 | 2 | 2 | 2 | 2 | 13 | 13 | 150 | 150 | 13 | 13 | 94 | 13 | 13 | 13 | 13 | 352 | 13 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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