Surf Forecasts:
How big are the waves at Katahama today (17 Oct):
- Morning surf: Morning surf (17 Oct, local time) - 1.5ft (0.4m), 8s period with ESE swell.
- Afternoon surf: Afternoon surf (17 Oct, local time) - 4ft (1.2m), 6s period with ESE swell.
- Evening surf: Evening surf (17 Oct, local time) - 4.5ft (1.3m), 7s period with E swell.
The current surf forecast for Katahama at 5PM is: 1.3m 7s primary swell from a East-southeast direction and 0.2m 8s secondary swell from a South-southeast direction, 0.1m 10s secondary swell from a East direction (forecast issued at 08:00am October 17). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Oct) | 1.5ft (0.4m) | 8s |
| Afternoon (17 Oct) | 4ft (1.2m) | 6s |
| Evening (17 Oct) | 4.5ft (1.3m) | 7s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Mon night. Warm (max 23°C on Mon morning, min 19°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||
Saturday 17 | Sunday 18 | Monday 19 | ||||||||||||||||||||
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 8 | ESE 8 | E 5 | ESE 6 | ESE 7 | E 7 | E 7 | E 8 | ESE 7 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 7 | SE 8 | SE 9 | SE 9 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 19 | 19 | 36 | 123 | 171 | 176 | 131 | 118 | 89 | 54 | 53 | 51 | 55 | 47 | 68 | 73 | 53 | 66 | 89 | 126 | 145 | 172 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | on | on | on | cross-on | cross-on | cross | cross | cross | cross-on | on | on | glassy | glassy | glassy | glassy | cross-off | cross | cross | cross-off | cross-off |
High Tide | 10:10AM1.38m | 8:17PM1.46m | 12:13PM1.38m | 9:29PM1.31m | 1:42PM1.44m | |||||||||||||||||
Low Tide | 3:04PM1.18m | 4:09AM0.56m | 5:23PM1.21m | 5:40AM0.64m | 7:47PM1.11m | |||||||||||||||||
 | |  | |  | |  | | | | | | | |  | |  | | | | | | |
 | 5:52 | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — |
 | — | — | — | 5:10 | — | — | — | — | — | — | — | 5:08 | — | — | — | — | — | — | — | 5:07 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 21 | 22 | 22 | 21 | 21 | 20 | 19 | 19 | 19 | 21 | 22 | 22 | 21 | 20 | 20 | 20 | 21 | 23 | 23 | 23 | 23 |
Feels °C | 19 | 19 | 22 | 21 | 19 | 19 | 19 | 18 | 18 | 18 | 20 | 20 | 21 | 21 | 20 | 20 | 20 | 21 | 22 | 21 | 21 | 22 |
Swell 1 Height (m) Direction Period (s) | ESE 8 | ESE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | S 6 | SE 11 | SE 10 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 7 | SE 8 | SE 9 | SE 9 |
| kJ | 19 | 19 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 4 | 3 | 5 | 4 | 47 | 68 | 73 | 53 | 66 | 89 | 126 | 145 | 172 |
Swell 2 Height (m) Direction Period (s) | SSE 8 | W 4 | ESE 8 | — | E 10 | E 10 | — | S 11 | SE 11 | SE 11 | SE 11 | E 12 | E 12 | SE 10 | ESE 10 | SE 10 | ESE 8 | E 10 | S 18 | SE 17 | SSE 16 | SE 16 |
| kJ | 7 | 1 | 6 | — | 2 | 2 | — | 2 | 5 | 5 | 5 | 3 | 3 | 4 | 10 | 16 | 24 | 2 | 6 | 12 | 26 | 65 |
Swell 3 Height (m) Direction Period (s) | W 4 | SSE 8 | W 4 | E 9 | — | S 12 | E 13 | SE 11 | E 12 | E 12 | E 12 | SE 8 | E 10 | E 10 | E 10 | E 10 | SE 11 | E 12 | — | — | — | — |
| kJ | 1 | 7 | 1 | 2 | — | 3 | 3 | 5 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 5 | 3 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | ENE 3 | E 5 | ESE 6 | ESE 7 | E 7 | E 7 | E 8 | ESE 7 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | — | — | — | — | — | — | — | — | WSW 3 |
| kJ | — | 3 | 36 | 123 | 171 | 176 | 131 | 118 | 89 | 54 | 53 | 51 | 55 | — | — | — | — | — | — | — | — | 4 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 386 | 664 | 1362 | 104 | 104 | 104 | 103 | 186 | 202 | 415 | 415 | 415 | 415 | 6 | 6 | 6 | 6 | 6 | 6 | 382 | 103 | 6 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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