Surf Forecasts:
How big are the waves at Katahama today (18 Oct):
- Morning surf: Morning surf (18 Oct, local time) - 2.5ft (0.8m), 6s period with ESE swell.
- Afternoon surf: Afternoon surf (18 Oct, local time) - 2.5ft (0.8m), 5s period with ESE swell.
- Evening surf: Evening surf (18 Oct, local time) - 3ft (0.9m), 6s period with SE swell.
The current surf forecast for Katahama at 11AM is: 0.8m 5s primary swell from a East-southeast direction and 0.2m 8s secondary swell from a East-southeast direction, 0.2m 6s secondary swell from a South-southeast direction (forecast issued at 08:00am October 18). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Oct) | 2.5ft (0.8m) | 6s |
| Afternoon (18 Oct) | 2.5ft (0.8m) | 5s |
| Evening (18 Oct) | 3ft (0.9m) | 6s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 7mm), mostly falling on Tue afternoon. Warm (max 25°C on Tue morning, min 20°C on Sun morning). Wind will be generally light. | ||||||||||||||||||||||
Sunday 18 | Monday 19 | Tuesday 20 | ||||||||||||||||||||
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 7 | ESE 6 | ESE 5 | ESE 5 | SE 5 | SE 6 | SE 6 | SE 6 | SE 6 | SE 7 | SE 7 | SE 7 | SE 8 | SE 9 | SE 9 | SE 8 | SE 8 | SE 8 | SSE 13 | SSE 15 | SE 12 | SSE 13 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 73 | 40 | 32 | 36 | 42 | 44 | 52 | 36 | 64 | 100 | 100 | 118 | 131 | 145 | 145 | 136 | 136 | 136 | 520 | 277 | 319 | 850 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | on | on | glassy | glassy | glassy | glassy | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 12:13PM1.38m | 9:29PM1.31m | 1:42PM1.44m | 00:16AM1.24m | 2:30PM1.51m | |||||||||||||||||
Low Tide | 4:09AM0.56m | 5:23PM1.21m | 5:40AM0.64m | 7:47PM1.11m | 7:11AM0.67m | 8:49PM0.95m | ||||||||||||||||
 | | | |  |  | | |  | |  | | |  | | | | |  | |  | | |
 | 5:54 | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — |
 | — | — | — | 5:08 | — | — | — | — | — | — | — | 5:07 | — | — | — | — | — | — | — | 5:07 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 1 | 1 |
Temp °C | 19 | 20 | 22 | 22 | 22 | 22 | 21 | 20 | 21 | 22 | 24 | 24 | 23 | 23 | 22 | 22 | 22 | 23 | 25 | 25 | 24 | 24 |
Feels °C | 18 | 18 | 20 | 20 | 21 | 22 | 22 | 21 | 22 | 22 | 23 | 23 | 22 | 24 | 23 | 23 | 23 | 25 | 26 | 26 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | SSE 7 | ESE 8 | ESE 8 | ESE 8 | SE 10 | SE 10 | SE 6 | SE 6 | SE 6 | SE 7 | SE 7 | SE 7 | SE 8 | SE 9 | SE 9 | SE 8 | SE 8 | SE 8 | SSE 13 | SE 12 | SE 12 | SSE 13 |
| kJ | 4 | 6 | 6 | 6 | 4 | 4 | 52 | 36 | 64 | 100 | 100 | 118 | 131 | 145 | 145 | 136 | 136 | 136 | 520 | 277 | 319 | 850 |
Swell 2 Height (m) Direction Period (s) | SE 11 | SSE 7 | SSE 6 | S 6 | SE 8 | E 10 | ESE 10 | ESE 7 | SE 10 | SE 11 | E 9 | SE 17 | SSE 16 | SE 16 | SE 15 | SE 15 | SSE 13 | SSE 13 | SSE 16 | SSE 15 | SSE 15 | S 18 |
| kJ | 5 | 4 | 4 | 3 | 3 | 2 | 10 | 21 | 16 | 4 | 2 | 12 | 25 | 64 | 56 | 54 | 70 | 120 | 144 | 246 | 246 | 225 |
Swell 3 Height (m) Direction Period (s) | E 12 | SE 11 | SE 11 | SE 11 | E 10 | E 12 | E 10 | SE 10 | E 10 | E 10 | S 18 | E 10 | E 9 | E 9 | E 9 | SSE 18 | SSE 18 | SSE 16 | SSE 16 | — | SSE 20 | — |
| kJ | 3 | 5 | 5 | 5 | 2 | 3 | 2 | 16 | 2 | 2 | 6 | 2 | 2 | 2 | 2 | 32 | 61 | 107 | 87 | — | 38 | — |
Wind waves Height (m) Direction Period (s) | ESE 7 | ESE 6 | ESE 5 | ESE 5 | SE 5 | SE 6 | — | — | — | — | — | — | — | — | — | — | — | — | SSW 4 | SSW 5 | SSW 5 | SW 4 |
| kJ | 73 | 40 | 32 | 36 | 42 | 44 | — | — | — | — | — | — | — | — | — | — | — | — | 22 | 24 | 25 | 16 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 202 | 13 | 202 | 208 | 415 | 382 | 382 | 382 | 6 | 6 | 6 | 6 | 355 | 355 | 65 | 6 | 2 | 2 | 2 | 2 | 382 | 382 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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