Surf Forecasts:
How big are the waves at Katahama today (13 Sep):
- Morning surf: Morning surf (13 Sep, local time) - 2.5ft (0.7m), 13s period with ESE swell.
- 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 3PM is: 0.6m 13s primary swell from a East direction and 0.5m 8s secondary swell from a Southeast direction, 0.4m 4s secondary swell from a East-southeast direction (forecast issued at 08:00am September 13). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Sep) | 2.5ft (0.7m) | 13s |
| 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 11mm), heaviest on Tue night. Warm (max 27°C on Mon morning, min 23°C on Sun morning). Wind will be generally light. | ||||||||||||||||||||||
Sunday 13 | Monday 14 | Tuesday 15 | ||||||||||||||||||||
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) | ESE 13 | ESE 13 | E 13 | E 13 | E 13 | E 13 | E 13 | E 12 | E 12 | ESE 12 | E 12 | E 12 | SE 10 | SSE 10 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | E 14 | E 14 | ESE 8 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 184 | 178 | 123 | 121 | 166 | 166 | 158 | 108 | 144 | 226 | 139 | 141 | 139 | 161 | 122 | 152 | 159 | 152 | 132 | 131 | 142 | 88 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | on | cross-on | cross-on | glassy | glassy | glassy | cross-off | glassy | cross-on | cross | cross | cross-off | cross-off | cross-off | glassy | glassy | cross-off | glassy | glassy | glassy |
High Tide | 6:04AM1.72m | 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 | |||||||||||||||||
 |  | |  |  | |  | | | |  | |  |  | | | |  | | | | | |
 | 5:26 | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — |
 | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:55 | — | — | — | — | — | — | — | 5:54 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | 1 | — | — | 1 | — | — | — | 1 | 2 | 1 | — | — |
Temp °C | 22 | 23 | 25 | 25 | 24 | 25 | 25 | 24 | 24 | 26 | 27 | 27 | 26 | 24 | 24 | 23 | 23 | 24 | 24 | 25 | 25 | 24 |
Feels °C | 24 | 25 | 28 | 28 | 27 | 30 | 29 | 28 | 28 | 30 | 30 | 29 | 28 | 26 | 27 | 25 | 26 | 27 | 27 | 28 | 29 | 27 |
Swell 1 Height (m) Direction Period (s) | ESE 13 | ESE 13 | E 13 | E 13 | E 13 | E 13 | E 13 | SE 8 | E 12 | ESE 12 | SE 8 | SSE 10 | SE 10 | SSE 10 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | ESE 8 |
| kJ | 184 | 178 | 123 | 121 | 166 | 166 | 158 | 63 | 144 | 226 | 45 | 120 | 137 | 161 | 122 | 152 | 159 | 152 | 132 | 129 | 123 | 88 |
Swell 2 Height (m) Direction Period (s) | SSW 7 | SSW 7 | 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 | 16 | 16 | 25 | 35 | 44 | 53 | 53 | 108 | 43 | 4 | 139 | 141 | 139 | 71 | 101 | 136 | 88 | 53 | 85 | 131 | 142 | 17 |
Swell 3 Height (m) Direction Period (s) | 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 | E 14 | SW 7 | SW 7 | E 16 | SW 7 | SW 7 | — | E 14 |
| kJ | 3 | 3 | 16 | 9 | 9 | 9 | 5 | 5 | 5 | 5 | 4 | 4 | 5 | 38 | 37 | 2 | 2 | 43 | 2 | 2 | — | 64 |
Wind waves Height (m) Direction Period (s) | E 4 | E 4 | E 4 | ESE 4 | — | — | — | — | — | — | — | — | — | SW 7 | SSW 4 | — | — | — | — | — | — | — |
| kJ | 12 | 7 | 4 | 6 | — | — | — | — | — | — | — | — | — | 2 | 14 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 13 | 13 | 13 | 104 | 208 | 6 | 6 | 6 | 13 | 6 | 6 | 382 | 355 | 2 | 2 | 2 | 2 | 2 | 6 | 2 | 6 | 6 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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