Surf Forecasts:
How big are the waves at Katahama today (22 Oct):
- Morning surf: Morning surf (22 Oct, local time) - 6.5ft (2.0m), 14s period with S swell.
- Afternoon surf: Afternoon surf (22 Oct, local time) - 6ft (1.9m), 13s period with S swell.
- Evening surf: Evening surf (22 Oct, local time) - 5ft (1.6m), 14s period with S swell.
The current surf forecast for Katahama at 7AM is: 2.0m 14s primary swell from a South direction and 0.5m 9s secondary swell from a Southeast direction (forecast issued at 02:00am October 22). An open ocean swell of 1.7m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Oct) | 6.5ft (2.0m) | 14s |
| Afternoon (22 Oct) | 6ft (1.9m) | 13s |
| Evening (22 Oct) | 5ft (1.6m) | 14s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 50mm), heaviest during Sat morning. Warm (max 25°C on Thu morning, min 17°C on Thu night). Winds decreasing (fresh winds from the NE on Fri night, calm by Sat night). | ||||||||||||||||||||||||
Thursday 22 | Friday 23 | Saturday 24 | ||||||||||||||||||||||
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) | SSE 14 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 14 | S 14 | E 7 | E 8 | E 8 | E 7 | E 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 8 | SE 8 | ESE 8 | SE 8 | ESE 8 | ESE 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 1382 | 1572 | 1668 | 1640 | 1462 | 1266 | 1256 | 988 | 1210 | 448 | 491 | 399 | 333 | 302 | 268 | 220 | 149 | 206 | 439 | 401 | 619 | 416 | 430 | 285 |
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-off | cross-off | cross-on | cross | cross | cross | cross | cross | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 3:05AM1.40m | 3:30PM1.61m | 3:50AM1.49m | 3:53PM1.64m | 4:28AM1.55m | 4:14PM1.67m | ||||||||||||||||||
Low Tide | 9:26PM0.80m | 9:11AM0.68m | 9:56PM0.66m | 9:49AM0.70m | 10:22PM0.54m | 10:20AM0.74m | ||||||||||||||||||
 |  |  |  | | |  | | | |  | | | | | | | |  |  | |  |  |  | |
 | — | 5:56 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:05 | — | — | — | — | — | — | — | 5:02 | — | — | — | — | — | — | — | 5:01 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 16 | 11 | 9 | 7 | 2 |
Temp °C | 23 | 22 | 22 | 21 | 25 | 24 | 20 | 18 | 18 | 17 | 17 | 17 | 18 | 19 | 19 | 18 | 18 | 18 | 17 | 17 | 17 | 18 | 18 | 18 |
Feels °C | 21 | 18 | 17 | 16 | 22 | 23 | 17 | 15 | 15 | 14 | 13 | 13 | 15 | 17 | 17 | 15 | 15 | 15 | 13 | 13 | 14 | 16 | 17 | 18 |
Swell 1 Height (m) Direction Period (s) | SSE 14 | S 14 | S 14 | S 14 | 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 13 | SSW 14 | SSW 14 | ESE 8 | SSW 14 | SSW 14 | SSW 15 |
| kJ | 1382 | 1572 | 1668 | 1640 | 1462 | 1266 | 1256 | 988 | 1210 | 1179 | 1155 | 1006 | 1016 | 1373 | 1240 | 1155 | 975 | 989 | 1154 | 1240 | 619 | 1647 | 1900 | 2206 |
Swell 2 Height (m) Direction Period (s) | S 18 | SE 9 | SE 9 | SE 9 | — | W 6 | W 5 | S 16 | W 5 | — | — | SSW 17 | SSW 16 | SSW 15 | — | ESE 9 | ESE 9 | — | SW 15 | SE 8 | SSW 14 | SE 8 | ESE 8 | ESE 8 |
| kJ | 402 | 41 | 41 | 41 | — | 78 | 37 | 339 | 2 | — | — | 290 | 276 | 544 | — | 55 | 67 | — | 509 | 401 | 1435 | 416 | 430 | 285 |
Swell 3 Height (m) Direction Period (s) | SE 9 | — | — | — | — | SE 10 | W 6 | W 5 | — | — | — | — | — | ESE 9 | — | — | — | — | — | — | — | — | SW 18 | SW 18 |
| kJ | 41 | — | — | — | — | 46 | 69 | 9 | — | — | — | — | — | 34 | — | — | — | — | — | — | — | — | 786 | 588 |
Wind waves Height (m) Direction Period (s) | SW 7 | SW 7 | WSW 6 | W 6 | W 6 | — | E 4 | E 6 | E 7 | E 7 | E 8 | E 8 | E 7 | E 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 8 | ENE 5 | — | NE 5 | — | — |
| kJ | 341 | 253 | 223 | 171 | 125 | — | 45 | 282 | 374 | 448 | 491 | 399 | 333 | 302 | 268 | 220 | 149 | 206 | 439 | 52 | — | 55 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 352 | 103 | 65 | 65 | 2 | 2 | 415 | 94 | 137 | 137 | 124 | 124 | 124 | 85 | 103 | 103 | 103 | 103 | 103 | 103 | 66 | 103 | 13 | 13 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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