Surf Forecasts:
How big are the waves at Katahama today (04 Sep):
- 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), 9s period with E swell.
The current surf forecast for Katahama at 6PM is: 0.4m 6s primary swell from a East-southeast direction and 0.4m 3s secondary swell from a East-northeast direction (forecast issued at 02:00pm September 04). An open ocean swell of 0.9m 9s is not directed at the surf break, a second open ocean swell of 0.7m 11s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Sep) | - | - |
| Afternoon (04 Sep) | 1.5ft (0.4m) | 9s |
| Evening (04 Sep) | 1.5ft (0.4m) | 9s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 145mm), heaviest during Sun night. Warm (max 26°C on Fri afternoon, min 21°C on Fri night). Winds increasing (calm on Fri afternoon, strong winds from the NE by Sun morning). | ||||||||||||||||||||
Fri 4 | Saturday 5 | Sunday 6 | ||||||||||||||||||
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 9 | E 9 | ESE 6 | E 9 | E 9 | SE 9 | SE 9 | E 5 | E 6 | E 6 | E 13 | S 8 | S 8 | SE 12 | S 8 | S 8 | SSE 8 | S 9 | S 10 | S 10 |
Wave Graph  | ||||||||||||||||||||
 kJ | 27 | 27 | 16 | 27 | 26 | 28 | 27 | 37 | 125 | 148 | 3 | 20 | 11 | 6 | 12 | 6 | 13 | 28 | 89 | 374 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | glassy | glassy | cross | cross-off | cross-off | 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 | 3:30PM1.19m | 6:01AM0.65m | 6:23PM1.30m | 7:46AM0.62m | ||||||||||||||||
 | | |  |  |  |  |  | | | | | | | | | | | | | |
 | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — |
 | — | — | 6:09 | — | — | — | — | — | — | — | 6:08 | — | — | — | — | — | — | — | 6:07 | — |
mm | — | — | — | — | 1 | 11 | 10 | 1 | — | — | — | — | — | — | — | 3 | 4 | 7 | 9 | 12 |
Temp °C | 26 | 26 | 26 | 26 | 22 | 21 | 22 | 22 | 23 | 24 | 23 | 23 | 23 | 24 | 24 | 22 | 21 | 21 | 21 | 21 |
Feels °C | 29 | 30 | 30 | 29 | 22 | 22 | 22 | 23 | 23 | 24 | 21 | 20 | 19 | 19 | 19 | 16 | 15 | 15 | 15 | 16 |
Swell 1 Height (m) Direction Period (s) | S 10 | SSW 9 | SSW 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 | S 9 | S 10 | S 10 |
| kJ | 231 | 225 | 135 | 274 | 263 | 218 | 179 | 240 | 229 | 225 | 164 | 103 | 101 | 68 | 52 | 41 | 33 | 28 | 89 | 374 |
Swell 2 Height (m) Direction Period (s) | ESE 6 | ESE 7 | SSW 11 | ESE 6 | E 9 | SE 9 | SW 12 | E 9 | E 13 | E 13 | E 13 | S 8 | S 8 | SSW 8 | S 8 | S 8 | SSE 8 | SE 8 | SE 8 | SW 10 |
| kJ | 16 | 17 | 107 | 16 | 26 | 28 | 47 | 15 | 3 | 3 | 3 | 20 | 11 | 24 | 12 | 6 | 13 | 16 | 15 | 4 |
Swell 3 Height (m) Direction Period (s) | E 9 | E 9 | ESE 6 | E 9 | SE 6 | E 9 | SE 9 | SE 9 | — | — | E 13 | E 13 | SE 12 | SE 12 | SE 12 | S 8 | S 8 | SW 10 | SW 10 | — |
| kJ | 27 | 27 | 16 | 27 | 10 | 26 | 27 | 12 | — | — | 3 | 3 | 6 | 6 | 6 | 6 | 1 | 15 | 16 | — |
Wind waves Height (m) Direction Period (s) | — | E 3 | ENE 3 | ENE 3 | N 3 | NNE 3 | NE 4 | E 5 | E 6 | E 6 | E 7 | E 6 | E 6 | E 6 | E 7 | E 7 | ENE 8 | ENE 8 | ENE 8 | ENE 7 |
| kJ | — | 1 | 3 | 2 | 4 | 8 | 10 | 37 | 125 | 148 | 173 | 206 | 263 | 297 | 460 | 716 | 844 | 835 | 856 | 1010 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 13 | 2 | 2 | 13 | 2 | 13 | 236 | 13 | 13 | 13 | 351 | 351 | 334 | 334 | 351 | 415 | 352 | 415 | 351 | 352 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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