
Surf Forecasts:
How big are the waves at Katahama today (12 Sep):
- Morning surf: Morning surf (12 Sep, local time) - 2ft (0.6m), 14s period with ESE swell.
- Afternoon surf: Afternoon surf (12 Sep, local time) - 2ft (0.6m), 14s period with ESE swell.
- Evening surf: Evening surf (12 Sep, local time) - 2ft (0.6m), 13s period with ESE swell.
The current surf forecast for Katahama at 2AM is: 0.5m 14s primary swell from a East direction and 0.9m 4s secondary swell from a East direction (forecast issued at 08:00pm September 11). An open ocean swell of 0.9m 7s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Sep) | 2ft (0.6m) | 14s |
| Afternoon (12 Sep) | 2ft (0.6m) | 14s |
| Evening (12 Sep) | 2ft (0.6m) | 13s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 20mm), heaviest during Fri night. Warm (max 27°C on Mon afternoon, min 22°C on Fri night). Wind will be generally light. | ||||||||||||||||||
Fri 11 | Saturday 12 | Sunday 13 | ||||||||||||||||
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) | ESE 14 | ESE 14 | E 14 | E 14 | ESE 14 | ESE 14 | ESE 14 | ESE 14 | ESE 14 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | E 13 | E 13 | E 13 | E 13 |
Wave Graph | ||||||||||||||||||
67 | 63 | 94 | 94 | 145 | 149 | 147 | 149 | 145 | 139 | 137 | 184 | 184 | 178 | 123 | 121 | 166 | 166 | |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | on | on | cross-on |
High Tide | 5:31PM1.72m | 5:30AM1.71m | 5:51PM1.76m | 6:04AM1.72m | 6:14PM1.79m | |||||||||||||
Low Tide | 11:38PM0.64m | 11:44AM0.52m | 00:04AM0.54m | 12:10PM0.57m | ||||||||||||||
— | — | — | 5:26 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — | |
6:00 | — | — | — | — | — | — | 5:59 | — | — | — | — | — | — | — | 5:58 | — | — | |
mm | 2 | 4 | 4 | 5 | 3 | 2 | 1 | — | — | — | 1 | — | — | — | — | — | — | — |
Temp °C | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 24 | 25 | 26 | 25 | 24 |
Feels °C | 25 | 25 | 24 | 24 | 24 | 24 | 23 | 23 | 24 | 23 | 23 | 24 | 26 | 27 | 28 | 30 | 29 | 28 |
Swell 1 Height (m) Direction Period (s) | SSW 7 | SSW 7 | SSW 7 | SSW 7 | S 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | E 13 | E 13 | E 13 | SE 8 |
91 | 97 | 97 | 97 | 54 | 76 | 70 | 62 | 47 | 139 | 137 | 184 | 184 | 178 | 123 | 121 | 166 | 63 | |
Swell 2 Height (m) Direction Period (s) | ESE 14 | ESE 14 | E 14 | E 14 | ESE 14 | ESE 14 | ESE 14 | ESE 14 | ESE 14 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SE 8 | SE 9 | SE 8 | E 13 |
67 | 63 | 94 | 94 | 145 | 149 | 147 | 149 | 145 | 36 | 26 | 27 | 27 | 16 | 25 | 38 | 55 | 166 | |
Swell 3 Height (m) Direction Period (s) | ESE 10 | ESE 10 | ESE 10 | ESE 10 | SW 7 | SW 7 | SW 7 | — | — | S 9 | — | — | SE 9 | SE 9 | SSW 7 | SSW 7 | SSW 7 | SSW 7 |
19 | 19 | 19 | 19 | 33 | 2 | 12 | — | — | 2 | — | — | 3 | 3 | 16 | 9 | 9 | 9 | |
Wind waves Height (m) Direction Period (s) | E 4 | E 4 | E 4 | E 4 | E 4 | E 5 | E 5 | E 5 | E 5 | E 5 | E 5 | E 4 | E 4 | E 4 | E 3 | ESE 3 | E 3 | E 3 |
9 | 22 | 29 | 24 | 26 | 36 | 37 | 36 | 36 | 36 | 28 | 14 | 8 | 5 | 4 | 3 | 2 | 1 | |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 94 | 150 | 150 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)










