Surf Forecasts:
How big are the waves at Katahama today (23 Sep):
- Morning surf: Morning surf (23 Sep, local time) - 4.5ft (1.3m), 5s period with E swell.
- Afternoon surf: Afternoon surf (23 Sep, local time) - 4ft (1.2m), 6s period with E swell.
- Evening surf: Evening surf (23 Sep, local time) - 4ft (1.2m), 6s period with E swell.
The current surf forecast for Katahama at 8AM is: 1.2m 5s primary swell from a East direction and 0.5m 7s secondary swell from a South direction (forecast issued at 02:00am September 23). An open ocean swell of 0.2m 8s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Sep) | 4.5ft (1.3m) | 5s |
| Afternoon (23 Sep) | 4ft (1.2m) | 6s |
| Evening (23 Sep) | 4ft (1.2m) | 6s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Wed morning. Warm (max 26°C on Thu morning, min 22°C on Wed morning). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 23 | Thursday 24 | Friday 25 | ||||||||||||||||||||||
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 | 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) | SSE 8 | SSE 7 | S 7 | E 5 | E 6 | E 6 | E 6 | E 6 | ENE 6 | E 6 | E 6 | E 6 | E 6 | ESE 6 | ESE 6 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 58 | 55 | 37 | 88 | 91 | 102 | 102 | 91 | 50 | 31 | 23 | 24 | 17 | 10 | 10 | 6 | 14 | 14 | 14 | 14 | 14 | 15 | 16 | 15 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-off | glassy | cross-off | cross-on | on | cross | cross-off | cross | glassy | cross-off | cross | on | on | on | cross-on |
High Tide | 3:16AM1.47m | 4:22PM1.63m | 3:59AM1.56m | 4:41PM1.67m | 4:35AM1.63m | 4:59PM1.70m | ||||||||||||||||||
Low Tide | 10:02PM0.97m | 9:51AM0.54m | 10:27PM0.84m | 10:25AM0.54m | 10:50PM0.72m | 10:53AM0.55m | ||||||||||||||||||
 |  |  |  |  |  |  | | | | | | | | | | | | | | | | | | |
 | — | 5:35 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:44 | — | — | — | — | — | — | — | 5:42 | — | — | — | — | — | — | — | 5:40 | — | — |
mm | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 24 | 26 | 26 | 25 | 24 | 24 | 24 | 23 | 24 | 25 | 24 | 23 | 23 |
Feels °C | 26 | 23 | 23 | 22 | 21 | 21 | 21 | 22 | 23 | 23 | 24 | 26 | 27 | 28 | 28 | 26 | 26 | 26 | 25 | 26 | 26 | 24 | 23 | 24 |
Swell 1 Height (m) Direction Period (s) | SSE 8 | SSE 7 | S 7 | S 7 | SSE 7 | SSE 7 | SSE 6 | SSE 6 | S 6 | SSE 8 | E 6 | E 6 | E 6 | ESE 6 | ESE 6 | SW 4 | WSW 4 | SW 4 | W 4 | E 9 | E 9 | E 9 | E 9 | E 8 |
| kJ | 58 | 55 | 37 | 24 | 15 | 15 | 8 | 8 | 7 | 14 | 23 | 24 | 17 | 10 | 10 | 18 | 12 | 8 | 3 | 14 | 14 | 15 | 15 | 13 |
Swell 2 Height (m) Direction Period (s) | W 4 | W 4 | S 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | E 10 | E 10 | SSW 8 | SSE 8 | S 6 | E 9 | SSE 8 | E 9 | ESE 5 | ESE 5 | ESE 5 | E 9 | W 4 | SSE 8 | SSE 8 | SSE 8 | SSE 8 |
| kJ | 1 | 1 | 6 | 7 | 7 | 6 | 6 | 8 | 7 | 6 | 7 | 2 | 6 | 7 | 6 | 6 | 5 | 5 | 14 | 1 | 7 | 7 | 7 | 7 |
Swell 3 Height (m) Direction Period (s) | E 9 | S 9 | SE 9 | SE 9 | E 10 | E 10 | SSE 9 | SSW 8 | SSW 8 | E 9 | SSW 8 | E 9 | SSW 8 | E 9 | SSE 8 | E 9 | E 9 | E 9 | SSE 8 | SSE 8 | W 4 | S 7 | S 7 | S 7 |
| kJ | 7 | 6 | 3 | 3 | 8 | 8 | 7 | 6 | 6 | 7 | 6 | 6 | 6 | 6 | 7 | 6 | 14 | 14 | 7 | 7 | 1 | 4 | 4 | 1 |
Wind waves Height (m) Direction Period (s) | E 4 | E 4 | E 4 | E 5 | E 6 | E 6 | E 6 | E 6 | ENE 6 | E 6 | — | — | — | SW 3 | SW 4 | W 4 | W 4 | — | E 3 | E 4 | E 4 | E 4 | ESE 4 | E 4 |
| kJ | 9 | 12 | 34 | 88 | 91 | 102 | 102 | 91 | 50 | 31 | — | — | — | 3 | 10 | 16 | 12 | — | 4 | 11 | 13 | 13 | 16 | 15 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 94 | 236 | 236 | 236 | 1289 | 1289 | 911 | 764 | 1303 | 94 | 94 | 161 | 179 | 179 | 179 | 202 | 186 | 186 | 186 | 2290 | 2467 | 2467 | 202 | 202 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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