Surf Forecasts:
How big are the waves at Katahama today (31 Jul):
- Morning surf: Morning surf (31 Jul, local time) - 1.5ft (0.4m), 9s period with SE swell.
- Afternoon surf: Afternoon surf (31 Jul, local time) - 3ft (0.9m), 6s period with SW swell.
- Evening surf: Evening surf (31 Jul, local time) - 1ft (0.3m), 9s period with ESE swell.
The current surf forecast for Katahama at 12PM is: 0.3m 9s primary swell from a East-southeast direction (forecast issued at 08:00am July 31). An open ocean swell of 0.9m 6s is not directed at the surf break, a second open ocean swell of 1.1m 6s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Jul) | 1.5ft (0.4m) | 9s |
| Afternoon (31 Jul) | 3ft (0.9m) | 6s |
| Evening (31 Jul) | 1ft (0.3m) | 9s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 32°C on Sat afternoon, min 26°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||
Friday 31 | Saturday 1 | Sunday 2 | ||||||||||||||||||||
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) | ESE 9 | SE 9 | ESE 9 | SW 6 | SW 6 | ESE 9 | ESE 9 | ESE 9 | SE 9 | ESE 15 | E 11 | SE 17 | SE 16 | SE 16 | SE 16 | ESE 15 | SE 15 | SE 16 | ESE 16 | SE 15 | ESE 15 | ESE 16 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 17 | 22 | 17 | 60 | 64 | 17 | 17 | 8 | 13 | 22 | 22 | 47 | 125 | 125 | 271 | 154 | 322 | 580 | 674 | 631 | 740 | 822 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | cross-on | on | glassy | glassy | glassy | cross-off | glassy | cross-on | cross-on | cross | cross-on | glassy | cross-off | cross-off | glassy | glassy | cross-on | cross-on | on | cross-on |
High Tide | 5:56AM1.68m | 7:05PM1.70m | 6:37AM1.67m | 7:32PM1.72m | 7:20AM1.61m | 8:03PM1.72m | ||||||||||||||||
Low Tide | 12:36PM0.29m | 1:00AM0.78m | 1:07PM0.36m | 1:38AM0.71m | 1:40PM0.46m | |||||||||||||||||
 | |  | |  |  | | | | | | | |  | | | | | | | | | |
 | 4:54 | — | — | — | — | — | — | 4:56 | — | — | — | — | — | — | — | 4:56 | — | — | — | — | — | — |
 | — | — | — | — | 6:51 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:49 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 29 | 30 | 30 | 29 | 28 | 27 | 27 | 27 | 29 | 31 | 32 | 30 | 28 | 28 | 28 | 28 | 30 | 31 | 30 | 29 | 28 |
Feels °C | 31 | 34 | 33 | 33 | 33 | 33 | 31 | 31 | 31 | 33 | 33 | 34 | 34 | 33 | 32 | 32 | 33 | 34 | 34 | 33 | 32 | 31 |
Swell 1 Height (m) Direction Period (s) | SW 6 | SW 6 | SW 6 | SE 9 | ESE 9 | SW 6 | SW 5 | SW 5 | SSW 6 | SW 6 | SW 6 | E 11 | SE 16 | SW 5 | SW 5 | SW 5 | SE 15 | SE 16 | ESE 16 | SE 15 | ESE 15 | ESE 16 |
| kJ | 66 | 73 | 62 | 22 | 16 | 44 | 35 | 30 | 41 | 35 | 34 | 21 | 125 | 60 | 52 | 38 | 322 | 580 | 674 | 631 | 740 | 822 |
Swell 2 Height (m) Direction Period (s) | ESE 9 | SE 9 | ESE 9 | SE 11 | SE 11 | ESE 9 | SSW 7 | ESE 9 | SE 9 | E 11 | E 11 | SE 17 | E 11 | SE 16 | SE 16 | ESE 15 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 |
| kJ | 17 | 22 | 17 | 5 | 5 | 17 | 9 | 8 | 13 | 9 | 21 | 47 | 20 | 125 | 271 | 144 | 30 | 25 | 16 | 16 | 9 | 4 |
Swell 3 Height (m) Direction Period (s) | SE 13 | E 12 | SE 11 | E 13 | E 12 | SSW 7 | ESE 9 | SSW 7 | E 11 | ESE 15 | ESE 15 | ESE 9 | ESE 9 | ESE 11 | SSE 11 | SE 18 | ESE 10 | E 16 | E 16 | E 16 | SSE 9 | SSE 9 |
| kJ | 7 | 3 | 5 | 3 | 3 | 9 | 17 | 5 | 9 | 22 | 22 | 8 | 8 | 38 | 11 | 154 | 40 | 20 | 20 | 19 | 9 | 9 |
Wind waves Height (m) Direction Period (s) | SW 6 | WNW 4 | SW 6 | SW 6 | SW 6 | — | — | — | — | — | WNW 4 | SW 6 | SW 5 | — | — | — | — | — | — | — | E 3 | E 4 |
| kJ | 89 | 6 | 85 | 60 | 64 | — | — | — | — | — | 1 | 39 | 53 | — | — | — | — | — | — | — | 3 | 27 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 2 | 2 | 104 | 105 | 65 | 13 | 13 | 161 | 13 | 104 | 6 | 65 | 6 | 6 | 2 | 2 | 2 | 2 | 85 | 85 | 85 | 150 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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