Surf Forecasts:
How big are the waves at Katahama today (04 Sep):
- Morning surf: Morning surf (04 Sep, local time) - 1.5ft (0.5m), 9s period with SE swell.
- Afternoon surf: Afternoon surf (04 Sep, local time) - 1.5ft (0.4m), 9s period with E swell.
- Evening surf: Evening surf (04 Sep, local time) - 1.5ft (0.4m), 6s period with ESE swell.
The current surf forecast for Katahama at 12PM is: 0.4m 9s primary swell from a East direction and 0.4m 6s secondary swell from a East-southeast direction (forecast issued at 08:00am September 04). An open ocean swell of 1.1m 10s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Sep) | 1.5ft (0.5m) | 9s |
| Afternoon (04 Sep) | 1.5ft (0.4m) | 9s |
| Evening (04 Sep) | 1.5ft (0.4m) | 6s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 108mm), heaviest during Sun night. Warm (max 27°C on Fri morning, min 20°C on Sun morning). Winds increasing (calm on Fri afternoon, strong winds from the NE by Sun afternoon). | ||||||||||||||||||||||
Friday 4 | Saturday 5 | Sunday 6 | ||||||||||||||||||||
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 10 | SE 9 | E 9 | E 9 | ESE 6 | ESE 6 | E 9 | SE 9 | E 9 | E 5 | E 6 | E 6 | E 13 | S 8 | S 8 | S 8 | SE 12 | SSE 8 | SSE 8 | SSE 10 | SSE 10 | S 11 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 30 | 41 | 27 | 27 | 16 | 16 | 26 | 39 | 16 | 58 | 75 | 121 | 3 | 11 | 11 | 12 | 6 | 13 | 28 | 31 | 157 | 576 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | on | glassy | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 11:47AM1.25m | 9:34PM1.48m | 2:56PM1.34m | 11:09PM1.37m | 3:44PM1.45m | |||||||||||||||||
Low Tide | 4:27AM0.62m | 3:30PM1.19m | 6:01AM0.65m | 6:23PM1.30m | 7:46AM0.62m | |||||||||||||||||
 |  | |  | |  | |  | | | |  | |  | | | |  |  |  | |  | |
 | 5:20 | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — |
 | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:08 | — | — | — | — | — | — | — | 6:07 | — |
mm | 1 | — | — | 3 | 1 | 1 | 2 | 7 | 3 | 1 | — | — | — | — | — | — | — | 1 | 8 | 12 | 11 | 25 |
Temp °C | 24 | 26 | 27 | 26 | 26 | 24 | 22 | 21 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 22 | 20 | 21 | 21 | 21 |
Feels °C | 27 | 29 | 30 | 30 | 30 | 25 | 22 | 21 | 22 | 23 | 22 | 21 | 21 | 21 | 19 | 18 | 18 | 16 | 15 | 16 | 16 | 16 |
Swell 1 Height (m) Direction Period (s) | S 10 | S 10 | S 10 | SSW 9 | S 9 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SW 10 | SW 10 | SSW 10 | SW 9 | SW 9 | SW 9 | SW 9 | SW 9 | SW 10 | SSE 10 | SSE 10 | S 11 |
| kJ | 245 | 240 | 231 | 225 | 130 | 279 | 263 | 218 | 179 | 204 | 225 | 220 | 164 | 106 | 83 | 68 | 53 | 31 | 33 | 31 | 157 | 576 |
Swell 2 Height (m) Direction Period (s) | E 10 | SE 9 | ESE 6 | ESE 7 | SSW 11 | WNW 4 | E 9 | SE 9 | SW 12 | E 9 | E 9 | E 13 | E 13 | S 8 | S 8 | S 8 | SSW 8 | SSE 8 | SSE 8 | SE 8 | SW 10 | SSW 10 |
| kJ | 30 | 41 | 16 | 17 | 107 | 11 | 26 | 39 | 47 | 15 | 15 | 3 | 3 | 11 | 11 | 12 | 13 | 13 | 28 | 17 | 16 | 10 |
Swell 3 Height (m) Direction Period (s) | SE 6 | E 10 | E 9 | E 9 | ESE 6 | ESE 6 | SE 6 | E 9 | E 9 | SE 9 | SE 9 | E 13 | — | E 13 | SE 12 | E 12 | SE 12 | SSW 9 | S 9 | SW 10 | E 15 | — |
| kJ | 9 | 29 | 27 | 27 | 16 | 16 | 10 | 26 | 15 | 12 | 3 | 3 | — | 3 | 6 | 3 | 6 | 7 | 1 | 15 | 4 | — |
Wind waves Height (m) Direction Period (s) | W 3 | WNW 4 | — | — | — | NNE 2 | NNE 3 | NE 3 | ENE 4 | E 5 | E 6 | E 6 | E 6 | E 6 | E 7 | E 7 | E 7 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 |
| kJ | 3 | 4 | — | — | — | 1 | 3 | 4 | 16 | 58 | 75 | 121 | 190 | 221 | 278 | 341 | 414 | 703 | 704 | 791 | 949 | 1411 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 2 | 13 | 13 | 2 | 2 | 2 | 2 | 94 | 13 | 13 | 13 | 373 | 373 | 351 | 351 | 351 | 351 | 351 | 415 | 415 | 415 | 415 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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