Surf Forecasts:
How big are the waves at Katahama today (06 Sep):
- Morning surf: Morning surf (06 Sep, local time) - 0.5ft (0.2m), 8s period with S swell.
- Afternoon surf: Afternoon surf (06 Sep, local time) - 2ft (0.6m), 9s period with S swell.
- Evening surf: Evening surf (06 Sep, local time) - 4.5ft (1.3m), 9s period with S swell.
The current surf forecast for Katahama at 2PM is: 0.6m 9s primary swell from a South direction (forecast issued at 08:00am September 06). An open ocean swell of 0.3m 10s is not directed at the surf break, a second open ocean swell of 3.0m 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 (06 Sep) | 0.5ft (0.2m) | 8s |
| Afternoon (06 Sep) | 2ft (0.6m) | 9s |
| Evening (06 Sep) | 4.5ft (1.3m) | 9s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 166mm), heaviest during Sun night. Warm (max 26°C on Mon afternoon, min 20°C on Sun afternoon). Winds decreasing (strong winds from the NE on Sun morning, calm by Mon afternoon). | ||||||||||||||||||||||
Sunday 6 | Monday 7 | Tuesday 8 | ||||||||||||||||||||
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) | SE 12 | S 8 | S 9 | S 9 | S 9 | S 9 | E 8 | S 10 | S 10 | S 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | S 9 | SSE 9 | SE 9 | SE 8 | SSE 8 | SE 8 | SE 8 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 6 | 6 | 2 | 60 | 168 | 276 | 770 | 673 | 891 | 1343 | 1230 | 1121 | 938 | 845 | 778 | 747 | 388 | 123 | 171 | 224 | 167 | 187 |
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-off | cross | glassy | glassy | cross | cross-off | cross-off | cross-off | glassy | cross-on | cross-on | cross-on | cross-on | on |
High Tide | 3:44PM1.45m | 1:35AM1.37m | 4:12PM1.54m | 2:51AM1.44m | 4:35PM1.60m | |||||||||||||||||
Low Tide | 7:46AM0.62m | 9:15PM1.22m | 8:59AM0.55m | 10:00PM1.10m | 9:47AM0.49m | |||||||||||||||||
 | | |  | |  | |  | | |  |  | |  | | | | |  | | |  | |
 | 5:22 | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — |
 | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:06 | — | — | — | — | — | — | — | 6:05 | — |
mm | 1 | 2 | 4 | 17 | 22 | 7 | 9 | 30 | 15 | 11 | 6 | 1 | 3 | 2 | 3 | 1 | 8 | 8 | 1 | 1 | 2 | 2 |
Temp °C | 23 | 22 | 22 | 20 | 21 | 21 | 21 | 21 | 23 | 23 | 24 | 26 | 25 | 25 | 24 | 24 | 24 | 24 | 26 | 26 | 26 | 26 |
Feels °C | 18 | 17 | 16 | 15 | 16 | 17 | 18 | 19 | 26 | 26 | 29 | 32 | 29 | 29 | 28 | 28 | 29 | 27 | 29 | 29 | 31 | 31 |
Swell 1 Height (m) Direction Period (s) | SW 9 | SW 9 | SW 10 | S 9 | S 9 | S 9 | S 9 | S 10 | S 10 | S 10 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | S 9 | SSE 9 | S 9 | SSW 10 | SSW 10 | SSW 10 | SSW 10 |
| kJ | 29 | 31 | 24 | 60 | 168 | 276 | 388 | 673 | 891 | 872 | 1230 | 1121 | 938 | 845 | 778 | 747 | 388 | 422 | 461 | 550 | 678 | 748 |
Swell 2 Height (m) Direction Period (s) | SSW 8 | S 8 | S 9 | SW 10 | SW 10 | SW 10 | SW 10 | SW 9 | ESE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | S 10 | E 8 | SSW 10 | SE 9 | SE 8 | SSE 8 | SE 8 | SE 8 |
| kJ | 6 | 6 | 2 | 16 | 15 | 15 | 14 | 13 | 437 | 349 | 190 | 161 | 80 | 84 | 106 | 47 | 223 | 123 | 171 | 224 | 167 | 187 |
Swell 3 Height (m) Direction Period (s) | SE 12 | SE 12 | — | SE 14 | E 15 | SW 10 | — | ESE 11 | SW 9 | SW 9 | SW 9 | SW 9 | SW 9 | S 11 | — | E 8 | E 8 | SW 11 | E 8 | E 8 | E 8 | E 9 |
| kJ | 6 | 6 | — | 8 | 4 | 33 | — | 12 | 21 | 21 | 20 | 13 | 28 | 21 | — | 50 | 46 | 115 | 35 | 23 | 23 | 13 |
Wind waves Height (m) Direction Period (s) | E 7 | E 7 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | ESE 8 | — | S 9 | — | — | — | — | — | — | — | — | — | — | — | S 10 |
| kJ | 442 | 634 | 858 | 978 | 926 | 784 | 770 | 599 | — | 1343 | — | — | — | — | — | — | — | — | — | — | — | 1160 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 415 | 351 | 351 | 351 | 415 | 136 | 85 | 85 | 2 | 415 | 2 | 2 | 94 | 2 | 2 | 2 | 2 | 13 | 13 | 104 | 13 | 65 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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