Surf Forecasts:
How big are the waves at Katahama today (13 Sep):
- Afternoon surf: Afternoon surf (13 Sep, local time) - 2ft (0.6m), 13s period with E swell.
- Evening surf: Evening surf (13 Sep, local time) - 2.5ft (0.7m), 13s period with E swell.
The current surf forecast for Katahama at 10PM is: 0.7m 13s primary swell from a East direction and 0.6m 8s secondary swell from a Southeast direction (forecast issued at 02:00pm September 13). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Sep) | - | - |
| Afternoon (13 Sep) | 2ft (0.6m) | 13s |
| Evening (13 Sep) | 2.5ft (0.7m) | 13s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 19mm), heaviest on Tue night. Warm (max 27°C on Mon morning, min 22°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Sun 13 | Monday 14 | Tuesday 15 | ||||||||||||||||||
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 13 | E 13 | E 13 | E 13 | E 13 | E 12 | E 12 | ESE 12 | E 12 | E 12 | SE 10 | SE 10 | SSE 9 | E 14 | SE 9 | SE 9 | SE 9 | E 14 | E 14 | ESE 8 |
Wave Graph  | ||||||||||||||||||||
 kJ | 123 | 121 | 166 | 166 | 158 | 108 | 144 | 226 | 139 | 141 | 139 | 154 | 180 | 138 | 138 | 156 | 132 | 131 | 142 | 84 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | glassy | glassy | glassy | glassy | glassy | cross | cross | cross-off | cross | glassy | glassy | glassy | glassy | glassy | cross-off | cross | cross |
High Tide | 6:14PM1.79m | 6:41AM1.70m | 6:39PM1.80m | 7:20AM1.64m | 7:07PM1.78m | |||||||||||||||
Low Tide | 12:10PM0.57m | 00:34AM0.46m | 12:37PM0.65m | 1:08AM0.42m | 1:05PM0.75m | |||||||||||||||
 |  |  | | | | | | | |  | |  | |  |  | | | | | |
 | — | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — |
 | — | 5:58 | — | — | — | — | — | — | — | 5:55 | — | — | — | — | — | — | — | 5:54 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | 1 | 2 | 1 | — | — |
Temp °C | 25 | 25 | 24 | 24 | 24 | 25 | 24 | 26 | 27 | 27 | 26 | 25 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 |
Feels °C | 28 | 28 | 28 | 29 | 28 | 30 | 28 | 30 | 29 | 28 | 28 | 26 | 24 | 25 | 26 | 27 | 27 | 26 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | E 13 | E 13 | E 13 | E 13 | E 13 | SE 8 | E 12 | ESE 12 | SE 7 | SSE 10 | SE 10 | SE 10 | SSE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 8 | ESE 8 |
| kJ | 123 | 121 | 166 | 166 | 158 | 63 | 144 | 226 | 56 | 120 | 137 | 154 | 180 | 129 | 138 | 156 | 132 | 126 | 109 | 84 |
Swell 2 Height (m) Direction Period (s) | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | E 12 | SE 7 | SSW 7 | E 12 | E 12 | E 12 | E 12 | E 12 | E 14 | E 13 | E 13 | E 13 | E 14 | E 14 | S 6 |
| kJ | 25 | 35 | 57 | 53 | 53 | 108 | 43 | 4 | 139 | 141 | 139 | 102 | 101 | 138 | 88 | 53 | 85 | 131 | 142 | 26 |
Swell 3 Height (m) Direction Period (s) | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | E 17 | SSW 7 | SSW 7 | SW 7 | E 15 | E 14 | SW 4 | SW 4 | E 16 | SW 7 | S 7 | S 6 | E 14 |
| kJ | 16 | 9 | 9 | 9 | 5 | 5 | 5 | 5 | 4 | 4 | 2 | 38 | 37 | 8 | 4 | 43 | 2 | 1 | 16 | 64 |
Wind waves Height (m) Direction Period (s) | E 4 | ESE 3 | E 3 | — | — | — | — | — | — | — | — | — | SW 7 | — | — | — | — | — | — | — |
| kJ | 4 | 3 | 2 | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 104 | 104 | 208 | 6 | 6 | 6 | 6 | 6 | 6 | 382 | 382 | 65 | 2 | 2 | 2 | 2 | 2 | 2 | 13 | 13 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
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