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), 9s period with E swell.
The current surf forecast for Katahama at 5AM is: 0.5m 10s primary swell from a East direction (forecast issued at 08:00pm September 03). An open ocean swell of 1.1m 10s is not directed at the surf break, a second open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be offshore.
| 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) | 9s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 32mm), heaviest during Fri night. Warm (max 27°C on Thu night, min 21°C on Fri night). Winds increasing (calm on Fri afternoon, strong winds from the ENE by Sun afternoon). | ||||||||||||||||||
Thu 3 | Friday 4 | Saturday 5 | ||||||||||||||||
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 | E 10 | E 10 | E 10 | E 10 | SE 9 | E 9 | E 9 | SE 6 | E 9 | E 9 | SE 9 | E 9 | E 6 | E 6 | E 6 | E 13 | S 8 |
Wave Graph  | ||||||||||||||||||
 kJ | 69 | 69 | 48 | 47 | 30 | 41 | 27 | 27 | 10 | 27 | 26 | 26 | 41 | 66 | 102 | 187 | 3 | 12 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | off | glassy | glassy | cross-on | glassy | off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross |
High Tide | 8:51PM1.59m | 11:47AM1.25m | 9:34PM1.48m | 2:56PM1.34m | ||||||||||||||
Low Tide | 4:27AM0.62m | 3:30PM1.19m | 6:01AM0.65m | 6:23PM1.30m | ||||||||||||||
 |  | |  |  | | |  |  |  |  | | | | | | |  | |
 | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — |
 | 6:12 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:08 | — |
mm | — | 1 | 1 | — | — | — | — | 2 | 2 | 5 | 10 | 7 | 1 | 1 | 2 | — | — | — |
Temp °C | 28 | 27 | 25 | 25 | 25 | 26 | 27 | 26 | 22 | 21 | 21 | 21 | 22 | 22 | 23 | 23 | 23 | 23 |
Feels °C | 30 | 30 | 29 | 29 | 28 | 30 | 30 | 30 | 22 | 22 | 22 | 21 | 23 | 22 | 22 | 21 | 21 | 19 |
Swell 1 Height (m) Direction Period (s) | S 8 | S 11 | SSW 10 | S 10 | S 10 | S 10 | S 10 | SSW 9 | SSW 9 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SW 9 |
| kJ | 68 | 238 | 281 | 250 | 245 | 240 | 231 | 225 | 135 | 279 | 223 | 223 | 183 | 200 | 200 | 164 | 157 | 101 |
Swell 2 Height (m) Direction Period (s) | SSW 12 | E 10 | E 10 | E 10 | E 10 | SE 9 | ESE 6 | ESE 7 | SSW 11 | E 9 | E 9 | SE 9 | E 9 | E 9 | E 13 | E 13 | E 13 | S 8 |
| kJ | 111 | 69 | 48 | 47 | 30 | 41 | 16 | 17 | 107 | 27 | 26 | 20 | 41 | 14 | 3 | 3 | 3 | 12 |
Swell 3 Height (m) Direction Period (s) | E 10 | SE 10 | SE 10 | SE 10 | SE 6 | E 10 | E 9 | E 9 | SE 6 | SE 6 | SE 6 | E 9 | SE 9 | SE 9 | — | — | — | E 13 |
| kJ | 69 | 15 | 15 | 14 | 9 | 29 | 27 | 27 | 10 | 10 | 10 | 26 | 12 | 13 | — | — | — | 3 |
Wind waves Height (m) Direction Period (s) | SW 2 | SW 3 | WSW 3 | W 3 | W 3 | WNW 4 | — | ENE 3 | N 4 | NNE 3 | NNE 3 | NE 3 | ENE 4 | E 6 | E 6 | E 6 | E 6 | E 7 |
| kJ | 1 | 2 | 3 | 2 | 3 | 9 | — | 3 | 7 | 5 | 4 | 7 | 10 | 66 | 102 | 187 | 269 | 401 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 65 | 2 | 2 | 2 | 2 | 2 | 13 | 2 | 2 | 2 | 2 | 13 | 13 | 13 | 415 | 415 | 415 | 415 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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