Surf Forecasts:
How big are the waves at Katahama today (06 Sep):
- Morning surf: Morning surf (06 Sep, local time) - 0.5ft (0.2m), 8s period with S swell.
- Afternoon surf: Afternoon surf (06 Sep, local time) - 2ft (0.6m), 9s period with S swell.
- Evening surf: Evening surf (06 Sep, local time) - 4ft (1.2m), 9s period with S swell.
The current surf forecast for Katahama at 7AM is: 0.1m 12s primary swell from a Southeast direction (forecast issued at 02:00am September 06). An open ocean swell of 0.4m 9s is not directed at the surf break, a second open ocean swell of 0.2m 8s is not directed at the surf break, a second open ocean swell of 2.3m 7s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (06 Sep) | 0.5ft (0.2m) | 8s |
| Afternoon (06 Sep) | 2ft (0.6m) | 9s |
| Evening (06 Sep) | 4ft (1.2m) | 9s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 181mm), heaviest during Sun night. Warm (max 26°C on Tue afternoon, min 20°C on Sun afternoon). Winds decreasing (strong winds from the NE on Sun morning, calm by Mon night). | ||||||||||||||||||||||||
Sunday 6 | Monday 7 | Tuesday 8 | ||||||||||||||||||||||
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 6 | E 6 | SE 12 | S 8 | SE 15 | S 9 | S 9 | S 9 | S 9 | E 8 | S 10 | S 10 | S 9 | SSE 9 | S 9 | S 9 | S 9 | S 9 | S 8 | S 9 | S 9 | SE 10 | SE 8 | SE 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 237 | 321 | 6 | 6 | 8 | 62 | 142 | 235 | 288 | 765 | 821 | 1279 | 1163 | 1779 | 1553 | 1225 | 950 | 792 | 412 | 621 | 575 | 35 | 180 | 176 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-off | cross-off | glassy | cross-off | cross-off | glassy | glassy | cross | cross | cross | cross | glassy |
High Tide | 11:09PM1.37m | 3:44PM1.45m | 1:35AM1.37m | 4:12PM1.54m | 2:51AM1.44m | 4:35PM1.60m | ||||||||||||||||||
Low Tide | 7:46AM0.62m | 9:15PM1.22m | 8:59AM0.55m | 10:00PM1.10m | 9:47AM0.49m | |||||||||||||||||||
 |  |  | | |  | | | |  | | | |  | | |  | | | |  | | | | |
 | — | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:06 | — | — | — | — | — | — | — | 6:05 | — |
mm | — | 1 | 1 | 1 | 4 | 15 | 16 | 4 | 2 | 6 | 65 | 28 | 13 | 4 | 3 | 3 | 1 | 1 | 2 | 2 | 1 | 1 | 1 | 2 |
Temp °C | 24 | 23 | 23 | 23 | 22 | 21 | 20 | 21 | 21 | 21 | 22 | 23 | 23 | 24 | 24 | 25 | 24 | 24 | 24 | 25 | 25 | 26 | 26 | 25 |
Feels °C | 21 | 18 | 17 | 17 | 16 | 16 | 17 | 17 | 18 | 18 | 23 | 27 | 26 | 28 | 29 | 29 | 28 | 28 | 29 | 30 | 29 | 30 | 31 | 30 |
Swell 1 Height (m) Direction Period (s) | SW 9 | SW 9 | SW 9 | SW 9 | SW 10 | S 9 | S 9 | S 9 | S 9 | S 10 | S 10 | S 10 | S 9 | SSE 9 | E 8 | S 9 | S 9 | S 9 | S 8 | S 9 | S 9 | S 9 | SSW 10 | SSW 10 |
| kJ | 83 | 52 | 29 | 31 | 24 | 62 | 142 | 235 | 288 | 630 | 821 | 1048 | 1163 | 1509 | 82 | 1225 | 950 | 792 | 412 | 621 | 575 | 750 | 664 | 804 |
Swell 2 Height (m) Direction Period (s) | S 8 | S 8 | SSW 8 | S 8 | S 9 | SW 10 | SW 10 | SW 10 | SW 10 | SW 9 | SW 9 | E 8 | E 8 | E 8 | — | E 8 | E 8 | E 9 | SSW 9 | SW 11 | SW 10 | E 8 | SE 8 | SE 8 |
| kJ | 11 | 11 | 7 | 6 | 2 | 16 | 15 | 15 | 14 | 13 | 13 | 333 | 212 | 127 | — | 58 | 42 | 52 | 225 | 90 | 122 | 35 | 180 | 176 |
Swell 3 Height (m) Direction Period (s) | SE 12 | SE 12 | SE 12 | SE 12 | SE 15 | S 13 | E 15 | SW 10 | — | — | SW 9 | SW 9 | — | — | — | — | — | SSW 10 | E 8 | E 8 | E 8 | SE 10 | E 8 | E 9 |
| kJ | 6 | 6 | 6 | 6 | 8 | 4 | 4 | 33 | — | — | 29 | 13 | — | — | — | — | — | 10 | 69 | 50 | 35 | 26 | 34 | 24 |
Wind waves Height (m) Direction Period (s) | E 6 | E 6 | E 7 | E 7 | E 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | ESE 8 | S 9 | — | S 9 | S 9 | — | — | — | — | — | — | — | SSW 10 | — |
| kJ | 237 | 321 | 442 | 677 | 882 | 785 | 916 | 949 | 985 | 765 | 484 | 1279 | — | 1779 | 1553 | — | — | — | — | — | — | — | 867 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 334 | 415 | 351 | 352 | 415 | 334 | 415 | 351 | 415 | 85 | 13 | 352 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 13 | 13 | 13 | 13 | 6 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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