Surf Forecasts:
How big are the waves at Katahama today (05 Sep):
- Afternoon surf: Afternoon surf (05 Sep, local time) - 4.5ft (1.3m), 6s period with E swell.
- Evening surf: Evening surf (05 Sep, local time) - 5.5ft (1.7m), 6s period with E swell.
The current surf forecast for Katahama at 11PM is: 1.8m 6s primary swell from a East direction and 0.3m 8s secondary swell from a South direction (forecast issued at 02:00pm September 05). An open ocean swell of 0.8m 9s 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) | - | - |
| Afternoon (05 Sep) | 4.5ft (1.3m) | 6s |
| Evening (05 Sep) | 5.5ft (1.7m) | 6s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 170mm), heaviest during Sun night. Warm (max 26°C on Mon morning, min 20°C on Sun afternoon). Winds decreasing (strong winds from the NE on Sun night, calm by Mon night). | ||||||||||||||||||||
Sat 5 | Sunday 6 | Monday 7 | ||||||||||||||||||
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 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 7 | S 8 | SE 15 | S 10 | S 10 | S 9 | E 8 | S 10 | SSE 10 | S 10 | S 10 | S 10 | SSE 10 | SSE 10 |
Wave Graph  | ||||||||||||||||||||
 kJ | 74 | 137 | 165 | 191 | 263 | 321 | 0 | 6 | 8 | 46 | 148 | 246 | 1082 | 1048 | 2777 | 2250 | 2316 | 2124 | 1941 | 2010 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross | cross-off | glassy |
High Tide | 2:56PM1.34m | 11:09PM1.37m | 3:44PM1.45m | 1:35AM1.37m | 4:12PM1.54m | |||||||||||||||
Low Tide | 6:23PM1.30m | 7:46AM0.62m | 9:15PM1.22m | 8:59AM0.55m | ||||||||||||||||
 | |  |  | | | |  | |  |  |  |  | | | |  | | | | |
 | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — |
 | — | — | 6:08 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:06 | — |
mm | — | — | — | — | — | — | — | 2 | 5 | 9 | 11 | 5 | 11 | 20 | 51 | 18 | 14 | 7 | 6 | 4 |
Temp °C | 23 | 23 | 24 | 24 | 23 | 23 | 23 | 22 | 21 | 20 | 20 | 21 | 20 | 21 | 21 | 23 | 26 | 26 | 25 | 25 |
Feels °C | 24 | 24 | 24 | 23 | 19 | 19 | 18 | 16 | 16 | 16 | 15 | 16 | 15 | 16 | 20 | 26 | 27 | 30 | 30 | 31 |
Swell 1 Height (m) Direction Period (s) | SW 10 | SW 10 | SSW 10 | SW 9 | SW 9 | SW 9 | SW 9 | SW 9 | SW 10 | S 10 | S 10 | S 9 | S 10 | S 10 | E 8 | E 8 | E 8 | S 10 | SSE 10 | SSE 10 |
| kJ | 229 | 220 | 164 | 103 | 83 | 52 | 41 | 31 | 23 | 46 | 148 | 246 | 460 | 1048 | 553 | 351 | 223 | 2124 | 1941 | 2010 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 13 | E 13 | S 8 | S 8 | SSW 9 | SSW 8 | S 8 | SE 15 | SW 10 | SW 10 | SW 10 | SW 10 | — | — | — | — | E 8 | E 8 | E 8 |
| kJ | 15 | 3 | 3 | 20 | 11 | 16 | 13 | 5 | 8 | 16 | 16 | 15 | 15 | — | — | — | — | 133 | 82 | 65 |
Swell 3 Height (m) Direction Period (s) | E 13 | — | E 13 | E 13 | SE 12 | SE 12 | — | SE 12 | E 15 | S 13 | E 15 | — | — | — | — | — | — | — | — | — |
| kJ | 3 | — | 3 | 3 | 6 | 6 | — | 6 | 4 | 4 | 4 | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 7 | E 7 | E 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | SSE 10 | S 10 | S 10 | — | — | — |
| kJ | 74 | 137 | 165 | 191 | 263 | 321 | 453 | 691 | 971 | 994 | 1091 | 1283 | 1082 | 1031 | 2777 | 2250 | 2316 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 13 | 150 | 150 | 351 | 351 | 352 | 415 | 415 | 415 | 415 | 430 | 430 | 415 | 137 | 132 | 352 | 415 | 437 | 94 | 2 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
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