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 6AM is: 0.6m 14s primary swell from a East-southeast direction and 1.0m 5s secondary swell from a East direction (forecast issued at 02:00am September 12). An open ocean swell of 0.7m 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 ForecastModerate rain (total 10mm), heaviest on Mon night. Warm (max 27°C on Mon morning, min 22°C on Sat morning). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 12 | Sunday 13 | Monday 14 | ||||||||||||||||||||||
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) | 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 | E 13 | E 12 | E 12 | ESE 12 | E 12 | E 12 | E 12 | SE 10 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 94 | 94 | 145 | 149 | 147 | 149 | 145 | 139 | 137 | 184 | 184 | 178 | 123 | 121 | 166 | 166 | 158 | 108 | 144 | 226 | 139 | 141 | 141 | 127 |
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 | cross | cross | on | cross-on | cross-on | glassy | glassy | cross-off | cross-off | glassy | cross-on | cross | cross | cross-off |
High Tide | 5:30AM1.71m | 5:51PM1.76m | 6:04AM1.72m | 6:14PM1.79m | 6:41AM1.70m | 6:39PM1.80m | ||||||||||||||||||
Low Tide | 11:38PM0.64m | 11:44AM0.52m | 00:04AM0.54m | 12:10PM0.57m | 00:34AM0.46m | 12:37PM0.65m | ||||||||||||||||||
 | |  | |  | |  | | |  |  | | |  |  | | | | | | | | | | |
 | — | 5:26 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:59 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:55 | — | — |
mm | 3 | 4 | 3 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 25 | 26 | 25 | 25 | 25 | 24 | 24 | 26 | 27 | 27 | 26 | 26 |
Feels °C | 24 | 24 | 23 | 23 | 23 | 24 | 25 | 25 | 25 | 26 | 26 | 27 | 28 | 29 | 29 | 30 | 30 | 27 | 27 | 31 | 29 | 29 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | SSW 7 | SSW 7 | S 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | E 13 | E 13 | E 13 | SE 8 | SE 8 | SE 7 | E 12 | ESE 12 | E 12 | SE 10 | SE 10 | SE 10 |
| kJ | 97 | 97 | 51 | 76 | 63 | 60 | 60 | 48 | 137 | 184 | 184 | 178 | 123 | 121 | 166 | 51 | 53 | 54 | 144 | 226 | 139 | 94 | 110 | 127 |
Swell 2 Height (m) Direction Period (s) | E 14 | E 14 | ESE 14 | ESE 14 | ESE 14 | ESE 14 | ESE 14 | ESE 13 | SSW 7 | SSW 7 | S 7 | SSW 7 | SE 8 | SE 8 | SE 8 | E 13 | E 13 | E 12 | SE 7 | SSW 7 | SE 7 | E 12 | E 12 | E 12 |
| kJ | 94 | 94 | 145 | 149 | 147 | 149 | 145 | 139 | 36 | 27 | 24 | 16 | 25 | 35 | 55 | 166 | 158 | 108 | 43 | 4 | 37 | 141 | 141 | 100 |
Swell 3 Height (m) Direction Period (s) | ESE 10 | ESE 10 | SW 7 | SW 7 | SW 7 | SSW 7 | SSW 7 | S 9 | — | — | SE 9 | SE 9 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | E 17 | SSW 7 | SSW 7 | SSW 7 | E 15 |
| kJ | 19 | 19 | 27 | 2 | 2 | 35 | 26 | 2 | — | — | 3 | 3 | 16 | 16 | 9 | 9 | 9 | 5 | 5 | 5 | 4 | 4 | 5 | 38 |
Wind waves Height (m) Direction Period (s) | E 4 | E 5 | E 5 | E 5 | ENE 5 | ENE 5 | E 5 | E 5 | E 5 | E 4 | E 4 | E 4 | E 3 | E 3 | — | — | — | — | — | — | — | — | — | — |
| kJ | 33 | 34 | 42 | 44 | 37 | 35 | 34 | 34 | 21 | 13 | 8 | 4 | 2 | 1 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 150 | 13 | 13 | 13 | 13 | 13 | 150 | 13 | 13 | 13 | 13 | 13 | 13 | 104 | 65 | 6 | 6 | 13 | 13 | 6 | 6 | 208 | 6 | 2 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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