Surf Forecasts:
How big are the waves at Katahama today (22 Oct):
- Afternoon surf: Afternoon surf (22 Oct, local time) - 6.5ft (2.0m), 13s period with S swell.
- Evening surf: Evening surf (22 Oct, local time) - 5.5ft (1.7m), 14s period with S swell.
The current surf forecast for Katahama at 11PM is: 1.8m 14s primary swell from a South direction and 2.1m 7s secondary swell from a East direction (forecast issued at 02:00pm October 22). An open ocean swell of 0.7m 16s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Oct) | - | - |
| Afternoon (22 Oct) | 6.5ft (2.0m) | 13s |
| Evening (22 Oct) | 5.5ft (1.7m) | 14s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 36mm), heaviest during Sat morning. Warm (max 25°C on Thu afternoon, min 17°C on Fri morning). Winds decreasing (fresh winds from the NE on Sat morning, calm by Sat night). | ||||||||||||||||||||
Thu 22 | Friday 23 | Saturday 24 | ||||||||||||||||||
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) | S 14 | S 13 | S 13 | S 14 | S 14 | E 7 | E 7 | E 7 | E 7 | ESE 7 | ESE 7 | ESE 7 | ESE 8 | ESE 8 | ESE 8 | SE 8 | SE 8 | ESE 8 | ESE 8 | ESE 8 |
Wave Graph  | ||||||||||||||||||||
 kJ | 1462 | 1401 | 1256 | 1115 | 1210 | 462 | 493 | 348 | 311 | 277 | 219 | 237 | 237 | 223 | 280 | 274 | 355 | 569 | 460 | 303 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | cross-on | cross-on | cross | cross | cross | cross | cross | cross-on | cross-on | cross | cross | cross | cross | cross | cross-off | cross | cross | cross |
High Tide | 3:30PM1.61m | 3:50AM1.49m | 3:53PM1.64m | 4:28AM1.55m | 4:14PM1.67m | |||||||||||||||
Low Tide | 9:11AM0.68m | 9:56PM0.66m | 9:49AM0.70m | 10:22PM0.54m | 10:20AM0.74m | |||||||||||||||
 |  |  |  | | | |  | | | | | |  |  |  | |  | | | |
 | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — |
 | — | 5:05 | — | — | — | — | — | — | — | 5:02 | — | — | — | — | — | — | — | 5:01 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 6 | 13 | 13 | 2 | — | — |
Temp °C | 25 | 25 | 21 | 19 | 18 | 18 | 18 | 17 | 18 | 19 | 19 | 19 | 19 | 18 | 17 | 17 | 19 | 19 | 19 | 19 |
Feels °C | 20 | 24 | 18 | 17 | 16 | 15 | 15 | 13 | 15 | 16 | 17 | 17 | 17 | 16 | 14 | 13 | 17 | 17 | 18 | 19 |
Swell 1 Height (m) Direction Period (s) | S 14 | S 13 | S 13 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 14 | SSW 14 | SSW 14 | SSW 13 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | ESE 8 | SSW 16 | SSW 16 |
| kJ | 1462 | 1401 | 1256 | 1115 | 1210 | 1179 | 1155 | 1016 | 1016 | 1373 | 1240 | 1155 | 989 | 1004 | 1043 | 1244 | 1600 | 456 | 2447 | 2550 |
Swell 2 Height (m) Direction Period (s) | SE 9 | W 6 | W 5 | S 16 | W 5 | — | SSW 15 | SSW 17 | SSW 16 | SSW 15 | SE 9 | ESE 8 | ESE 8 | ESE 8 | SW 15 | SE 8 | SE 8 | SSW 14 | ESE 8 | ESE 8 |
| kJ | 42 | 98 | 37 | 264 | 2 | — | 525 | 290 | 276 | 544 | 81 | 62 | 237 | 223 | 523 | 274 | 355 | 1455 | 364 | 303 |
Swell 3 Height (m) Direction Period (s) | — | SE 10 | ESE 10 | WSW 6 | — | — | — | — | — | — | — | — | — | — | — | — | SW 20 | SW 19 | SW 18 | — |
| kJ | — | 46 | 63 | 10 | — | — | — | — | — | — | — | — | — | — | — | — | 384 | 589 | 718 | — |
Wind waves Height (m) Direction Period (s) | W 6 | — | E 4 | E 6 | E 7 | E 7 | E 7 | E 7 | E 7 | ESE 7 | ESE 7 | ESE 7 | — | — | ESE 8 | NE 4 | NE 4 | ESE 8 | ESE 8 | — |
| kJ | 144 | — | 43 | 332 | 449 | 462 | 493 | 348 | 311 | 277 | 219 | 237 | — | — | 280 | 26 | 25 | 569 | 460 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 65 | 2 | 415 | 415 | 137 | 352 | 137 | 132 | 112 | 85 | 103 | 103 | 103 | 103 | 103 | 103 | 351 | 103 | 13 | 13 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
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