Surf Forecasts:
How big are the waves at Katahama today (19 Oct):
- Morning surf: Morning surf (19 Oct, local time) - 3.5ft (1.0m), 7s period with SE swell.
- Afternoon surf: Afternoon surf (19 Oct, local time) - 3.5ft (1.1m), 7s period with SE swell.
- Evening surf: Evening surf (19 Oct, local time) - 3.5ft (1.0m), 9s period with SE swell.
The current surf forecast for Katahama at 2PM is: 1.1m 7s primary swell from a Southeast direction and 0.1m 17s secondary swell from a Southeast direction (forecast issued at 08:00am October 19). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Oct) | 3.5ft (1.0m) | 7s |
| Afternoon (19 Oct) | 3.5ft (1.1m) | 7s |
| Evening (19 Oct) | 3.5ft (1.0m) | 9s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 15mm), heaviest on Wed morning. Warm (max 25°C on Tue morning, min 20°C on Wed night). Winds increasing (light winds from the WSW on Mon morning, fresh winds from the SW by Wed afternoon). | ||||||||||||||||||||||
Monday 19 | Tuesday 20 | Wednesday 21 | ||||||||||||||||||||
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) | SE 6 | SE 7 | SE 7 | SE 7 | SE 8 | SE 9 | SE 9 | SE 8 | SSE 8 | SSE 13 | SE 13 | SE 12 | SE 12 | SSE 13 | SSE 13 | SSE 12 | SSE 16 | SSE 13 | SSE 16 | SSE 15 | SSE 15 | SSE 15 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 70 | 100 | 104 | 126 | 133 | 148 | 148 | 138 | 202 | 118 | 325 | 277 | 319 | 572 | 581 | 496 | 547 | 489 | 768 | 953 | 1519 | 1421 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off |
High Tide | 1:42PM1.44m | 00:16AM1.24m | 2:30PM1.51m | 2:04AM1.31m | 3:03PM1.57m | |||||||||||||||||
Low Tide | 5:40AM0.64m | 7:47PM1.11m | 7:11AM0.67m | 8:49PM0.95m | 8:20AM0.67m | |||||||||||||||||
 |  | | |  | | | |  | |  | | |  | |  |  | | | | | | |
 | 5:54 | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — |
 | — | — | — | 5:07 | — | — | — | — | — | — | — | 5:07 | — | — | — | — | — | — | — | 5:06 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | 1 | — | — | 1 | 2 | 1 | 1 | 2 | 3 | 2 | 1 | 1 |
Temp °C | 21 | 23 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 25 | 25 | 24 | 24 | 23 | 23 | 23 | 24 | 25 | 25 | 25 | 24 |
Feels °C | 22 | 23 | 22 | 22 | 23 | 24 | 24 | 24 | 25 | 24 | 25 | 25 | 25 | 27 | 25 | 25 | 25 | 24 | 24 | 23 | 23 | 23 |
Swell 1 Height (m) Direction Period (s) | SE 6 | SE 7 | SE 7 | SE 7 | SE 8 | SE 9 | SE 9 | SE 8 | SE 8 | SE 8 | SE 13 | SE 12 | SE 12 | SSE 13 | SSE 13 | SSE 12 | SE 12 | SSE 13 | SSE 16 | SSE 15 | SSE 15 | SSE 15 |
| kJ | 70 | 100 | 104 | 126 | 133 | 148 | 148 | 138 | 135 | 105 | 325 | 277 | 319 | 572 | 581 | 496 | 325 | 489 | 768 | 953 | 1519 | 1421 |
Swell 2 Height (m) Direction Period (s) | SE 10 | ESE 10 | E 9 | SE 17 | SSE 16 | SE 16 | SE 15 | SE 15 | SSE 13 | SSE 13 | SSE 16 | SSE 15 | SSE 14 | SSE 18 | S 18 | SSE 17 | SSE 16 | SSE 16 | SSE 12 | SSE 12 | SSE 11 | S 18 |
| kJ | 16 | 10 | 2 | 12 | 25 | 64 | 56 | 54 | 70 | 118 | 144 | 188 | 165 | 110 | 225 | 286 | 547 | 454 | 285 | 285 | 251 | 311 |
Swell 3 Height (m) Direction Period (s) | E 10 | E 10 | S 18 | E 9 | E 9 | E 9 | E 9 | SSE 18 | SSE 18 | SSE 16 | S 22 | S 19 | SSE 20 | E 8 | SSE 13 | ESE 9 | — | — | SE 7 | — | — | SE 10 |
| kJ | 2 | 2 | 6 | 2 | 2 | 2 | 2 | 32 | 61 | 107 | 9 | 29 | 75 | 1 | 137 | 8 | — | — | 14 | — | — | 45 |
Wind waves Height (m) Direction Period (s) | — | — | — | SW 3 | — | — | — | — | SSE 8 | SSW 5 | SSW 5 | SW 5 | SSW 5 | SSW 5 | SW 5 | SW 5 | SSW 5 | SSW 5 | SSW 6 | SW 6 | SW 7 | SW 7 |
| kJ | — | — | — | 6 | — | — | — | — | 202 | 46 | 94 | 85 | 56 | 32 | 20 | 22 | 40 | 80 | 195 | 376 | 607 | 466 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 6 | 6 | 430 | 355 | 103 | 2 | 2 | 2 | 2 | 6 | 65 | 103 | 6 | 2 | 2 | 2 | 2 | 355 | 382 | 355 | 334 | 351 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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