Surf Forecasts:
How big are the waves at Katahama today (04 Aug):
- Morning surf: Morning surf (04 Aug, local time) - 8ft (2.5m), 17s period with SE swell.
- Afternoon surf: Afternoon surf (04 Aug, local time) - 10ft (3.0m), 16s period with ESE swell.
- Evening surf: Evening surf (04 Aug, local time) - 11ft (3.5m), 16s period with ESE swell.
The current surf forecast for Katahama at 3PM is: 3.0m 16s primary swell from a East-southeast direction and 0.3m 14s secondary swell from a East direction (forecast issued at 08:00am August 04). An open ocean swell of 2.3m 7s is not directed at the surf break. The wind direction is predicted to be cross-onshore and the swell rating is 11.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Aug) | 8ft (2.5m) | 17s |
| Afternoon (04 Aug) | 10ft (3.0m) | 16s |
| Evening (04 Aug) | 11ft (3.5m) | 16s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 30°C on Thu morning, min 24°C on Tue morning). Wind will be generally light. | ||||||||||||||||||||||
Tuesday 4 | Wednesday 5 | Thursday 6 | ||||||||||||||||||||
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 16 | SE 17 | SE 16 | ESE 16 | ESE 16 | ESE 16 | SE 16 | SE 16 | SE 15 | SE 16 | SE 16 | SE 15 | SE 15 | SE 15 | SE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 15 | SSE 15 | SSE 14 | S 14 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 2756 | 3538 | 3545 | 4905 | 5492 | 5392 | 6861 | 6128 | 6068 | 6378 | 6619 | 6432 | 6356 | 6186 | 5842 | 4511 | 4468 | 4988 | 5826 | 6019 | 5755 | 5491 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross-on | cross | cross | cross | cross | cross | cross | cross-on | on | cross-on | cross-on |
High Tide | 8:59AM1.40m | 9:11PM1.64m | 10:09AM1.28m | 9:52PM1.58m | 12:14PM1.20m | |||||||||||||||||
Low Tide | 3:10AM0.65m | 2:49PM0.75m | 4:08AM0.65m | 3:28PM0.92m | 5:20AM0.65m | 4:17PM1.09m | ||||||||||||||||
 |  |  | | |  | | | | | | | | | | | | | | | | | |
 | 4:58 | — | — | — | — | — | — | 4:58 | — | — | — | — | — | — | — | 5:00 | — | — | — | — | — | — |
 | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:45 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 24 | 27 | 29 | 28 | 26 | 25 | 24 | 24 | 27 | 28 | 29 | 28 | 27 | 27 | 26 | 26 | 28 | 30 | 30 | 28 | 27 |
Feels °C | 22 | 22 | 25 | 28 | 29 | 26 | 23 | 22 | 22 | 25 | 27 | 29 | 28 | 27 | 28 | 27 | 27 | 28 | 31 | 30 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | SE 16 | SE 17 | SE 16 | ESE 16 | ESE 16 | SE 19 | SE 16 | SE 16 | SE 15 | SE 16 | SE 16 | SE 15 | SE 15 | SE 15 | SE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 15 | SSE 15 | SSE 14 | S 14 |
| kJ | 2756 | 3538 | 3545 | 4905 | 5492 | 1310 | 6861 | 6128 | 6068 | 6378 | 6619 | 6432 | 6356 | 6186 | 5842 | 4511 | 4468 | 4988 | 5826 | 6019 | 5755 | 5491 |
Swell 2 Height (m) Direction Period (s) | SE 18 | E 14 | E 14 | E 14 | — | — | — | E 13 | E 13 | — | — | — | — | E 18 | E 18 | — | E 16 | E 10 | E 16 | E 16 | E 16 | E 10 |
| kJ | 1341 | 34 | 34 | 32 | — | — | — | 30 | 30 | — | — | — | — | 6 | 6 | — | 21 | 255 | 20 | 20 | 20 | 208 |
Swell 3 Height (m) Direction Period (s) | E 14 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 33 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 7 | — | ESE 16 | ENE 7 | ENE 13 | ENE 13 | E 13 | ENE 7 | E 7 | E 7 | E 7 | E 7 | E 10 | E 10 | E 10 | E 10 | E 10 | ESE 10 | E 4 |
| kJ | 372 | 289 | 321 | 547 | — | 5392 | 421 | 57 | 57 | 52 | 639 | 569 | 487 | 460 | 396 | 452 | 450 | 461 | 255 | 212 | 214 | 26 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 13 | 13 | 150 | 85 | 85 | 355 | 355 | 132 | 352 | 352 | 138 | 137 | 150 | 85 | 124 | 132 | 132 | 135 | 132 | 104 | 104 | 104 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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