Surf Forecasts:
How big are the waves at Katahama today (05 Sep):
- Morning surf: Morning surf (05 Sep, local time) - 3ft (0.9m), 5s period with E swell.
- Afternoon surf: Afternoon surf (05 Sep, local time) - 4.5ft (1.4m), 6s period with E swell.
- Evening surf: Evening surf (05 Sep, local time) - 5ft (1.6m), 6s period with E swell.
The current surf forecast for Katahama at 3PM is: 1.4m 6s primary swell from a East direction and 0.1m 13s secondary swell from a East direction (forecast issued at 08:00am September 05). An open ocean swell of 1.1m 10s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 Sep) | 3ft (0.9m) | 5s |
| Afternoon (05 Sep) | 4.5ft (1.4m) | 6s |
| Evening (05 Sep) | 5ft (1.6m) | 6s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 113mm), heaviest during Sun night. Warm (max 24°C on Sat afternoon, min 20°C on Sun afternoon). Winds decreasing (strong winds from the ENE on Sun morning, calm by Mon afternoon). | ||||||||||||||||||||||
Saturday 5 | Sunday 6 | Monday 7 | ||||||||||||||||||||
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 9 | E 5 | E 6 | E 6 | E 6 | E 6 | E 6 | E 7 | S 8 | S 8 | E 15 | S 10 | S 10 | S 10 | S 10 | S 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 27 | 42 | 74 | 148 | 165 | 170 | 272 | 388 | 12 | 6 | 4 | 46 | 122 | 320 | 1055 | 1555 | 2016 | 1941 | 2216 | 2561 | 2210 | 1844 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross | cross | cross | cross | cross | cross | cross-on | cross | cross | cross | cross | cross | cross | cross-off | cross | cross | cross | cross-off | glassy | cross-off |
High Tide | 2:56PM1.34m | 11:09PM1.37m | 3:44PM1.45m | 1:35AM1.37m | 4:12PM1.54m | |||||||||||||||||
Low Tide | 6:01AM0.65m | 6:23PM1.30m | 7:46AM0.62m | 9:15PM1.22m | 8:59AM0.55m | |||||||||||||||||
 |  |  | |  |  | |  | | | | | |  |  | |  | |  | | | | |
 | 5:22 | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — |
 | — | — | — | — | 6:08 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:06 | — |
mm | 11 | 3 | — | 1 | — | — | — | — | — | — | 2 | 5 | 5 | 7 | 26 | 14 | 5 | 4 | 7 | 26 | 1 | — |
Temp °C | 21 | 22 | 23 | 23 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 22 | 20 | 21 | 20 | 21 | 22 | 22 | 23 | 24 | 24 | 24 |
Feels °C | 22 | 23 | 24 | 24 | 24 | 23 | 21 | 19 | 17 | 17 | 17 | 17 | 14 | 16 | 16 | 18 | 21 | 24 | 26 | 27 | 29 | 28 |
Swell 1 Height (m) Direction Period (s) | SSW 10 | SSW 10 | SW 10 | SW 10 | SSW 10 | SW 9 | SW 9 | SW 9 | SW 9 | SW 9 | SW 10 | S 10 | S 10 | S 10 | S 10 | S 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 |
| kJ | 214 | 240 | 229 | 220 | 164 | 103 | 83 | 67 | 51 | 29 | 24 | 46 | 122 | 320 | 1055 | 1555 | 1685 | 1685 | 1885 | 2080 | 2210 | 1844 |
Swell 2 Height (m) Direction Period (s) | SW 12 | E 9 | E 9 | E 13 | E 13 | S 8 | S 8 | S 8 | S 8 | S 8 | S 9 | SW 10 | SSW 10 | SW 10 | — | ESE 11 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
| kJ | 47 | 15 | 15 | 3 | 3 | 20 | 11 | 11 | 12 | 6 | 2 | 16 | 10 | 4 | — | 12 | 247 | 187 | 112 | 90 | 49 | 50 |
Swell 3 Height (m) Direction Period (s) | SE 9 | SE 9 | E 13 | — | — | E 13 | SE 12 | — | SE 12 | SE 12 | E 15 | S 13 | — | — | — | — | ESE 11 | SW 9 | — | — | — | — |
| kJ | 27 | 12 | 3 | — | — | 3 | 6 | — | 6 | 6 | 4 | 4 | — | — | — | — | 12 | 13 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NE 4 | E 5 | E 6 | E 6 | E 6 | E 6 | E 6 | E 7 | E 7 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | ESE 8 | S 10 | SSE 10 | SSE 10 | SSE 10 | — | — |
| kJ | 12 | 42 | 74 | 148 | 165 | 170 | 272 | 388 | 524 | 805 | 1057 | 1161 | 1324 | 1422 | 825 | 485 | 2016 | 1941 | 2216 | 2561 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 13 | 2 | 13 | 150 | 13 | 150 | 351 | 415 | 415 | 415 | 1941 | 415 | 351 | 351 | 137 | 104 | 66 | 94 | 94 | 94 | 2 | 2 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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