Surf Forecasts:
How big are the waves at Katahama today (05 Sep):
- Morning surf: Morning surf (05 Sep, local time) - 3.5ft (1.0m), 4s period with E swell.
- Afternoon surf: Afternoon surf (05 Sep, local time) - 5ft (1.5m), 6s period with E swell.
- Evening surf: Evening surf (05 Sep, local time) - 5ft (1.5m), 6s period with E swell.
The current surf forecast for Katahama at 8AM is: 1.0m 4s primary swell from a East direction and 0.3m 9s secondary swell from a East direction (forecast issued at 02:00am 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) | 3.5ft (1.0m) | 4s |
| Afternoon (05 Sep) | 5ft (1.5m) | 6s |
| Evening (05 Sep) | 5ft (1.5m) | 6s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 108mm), heaviest during Sun night. Warm (max 26°C on Mon afternoon, min 20°C on Sun night). Winds decreasing (strong winds from the ENE on Sun afternoon, calm by Mon afternoon). | ||||||||||||||||||||||||
Saturday 5 | Sunday 6 | Monday 7 | ||||||||||||||||||||||
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 | 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 | SE 9 | SE 9 | E 4 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 7 | E 7 | SE 15 | S 10 | S 10 | S 11 | S 11 | E 8 | S 10 | S 10 | S 10 | SSE 10 | SSE 10 | SSE 10 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 26 | 28 | 27 | 41 | 143 | 187 | 187 | 176 | 229 | 290 | 453 | 653 | 8 | 46 | 200 | 618 | 757 | 1186 | 1835 | 2298 | 2120 | 1898 | 1730 | 1833 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross | cross-on | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-off | cross-on | glassy | cross-off |
High Tide | 9:34PM1.48m | 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 | — | 7 | 11 | 2 | — | — | — | — | — | — | — | — | 3 | 10 | 7 | 5 | 8 | 29 | 19 | 9 | 5 | 1 | 2 | 2 |
Temp °C | 24 | 21 | 21 | 22 | 23 | 23 | 24 | 24 | 23 | 23 | 23 | 23 | 21 | 21 | 21 | 20 | 21 | 21 | 23 | 23 | 23 | 26 | 25 | 25 |
Feels °C | 25 | 21 | 21 | 23 | 24 | 24 | 24 | 23 | 20 | 18 | 18 | 17 | 15 | 16 | 15 | 14 | 15 | 16 | 22 | 24 | 26 | 30 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | 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 10 | S 10 | S 11 | S 11 | S 11 | S 10 | S 10 | S 10 | SSE 10 | SSE 10 | SSE 10 |
| kJ | 263 | 258 | 214 | 240 | 229 | 225 | 164 | 103 | 99 | 67 | 51 | 29 | 33 | 46 | 200 | 618 | 757 | 980 | 1370 | 1916 | 2120 | 1898 | 1730 | 1833 |
Swell 2 Height (m) Direction Period (s) | ESE 6 | SE 9 | SW 12 | E 9 | E 10 | E 13 | E 13 | S 8 | S 8 | SSW 9 | S 8 | S 8 | S 9 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | ESE 9 | E 9 | E 8 | E 8 | E 8 | E 8 |
| kJ | 13 | 28 | 47 | 15 | 7 | 3 | 3 | 20 | 11 | 16 | 11 | 6 | 1 | 15 | 16 | 4 | 4 | 4 | 692 | 384 | 205 | 140 | 91 | 66 |
Swell 3 Height (m) Direction Period (s) | E 9 | E 9 | SE 9 | SE 9 | E 13 | — | E 13 | E 13 | SE 12 | SE 12 | SE 12 | SE 12 | SE 15 | S 14 | — | — | — | SW 10 | — | — | — | — | — | — |
| kJ | 26 | 26 | 27 | 12 | 3 | — | 3 | 3 | 6 | 6 | 6 | 6 | 8 | 4 | — | — | — | 4 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ENE 3 | NNE 3 | NE 4 | E 4 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | S 10 | S 10 | — | — | — | — |
| kJ | 5 | 7 | 17 | 41 | 143 | 187 | 187 | 176 | 229 | 290 | 453 | 653 | 869 | 1112 | 1362 | 1493 | 1688 | 1186 | 1835 | 2298 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 2 | 94 | 13 | 13 | 13 | 150 | 13 | 150 | 150 | 351 | 415 | 351 | 415 | 430 | 415 | 430 | 415 | 415 | 415 | 94 | 2 | 352 | 2 | 2 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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