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 4AM is: 0.9m 6s primary swell from a Southeast direction and 0.3m 10s secondary swell from a Southeast direction (forecast issued at 08:00pm October 18). The wind direction is predicted to be glassy.
| 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 12mm), heaviest on Tue night. Warm (max 25°C on Tue morning, min 21°C on Sun night). Winds increasing (calm on Sun night, fresh winds from the SW by Wed afternoon). | ||||||||||||||||||
Sun 18 | Monday 19 | Tuesday 20 | ||||||||||||||||
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 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 | SSE 8 | SE 13 | SE 12 | SE 12 | SE 13 |
Wave Graph  | ||||||||||||||||||
 kJ | 42 | 44 | 52 | 54 | 70 | 100 | 104 | 122 | 129 | 148 | 168 | 138 | 135 | 173 | 325 | 277 | 319 | 501 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | glassy | glassy | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off |
High Tide | 9:29PM1.31m | 1:42PM1.44m | 00:16AM1.24m | 2:30PM1.51m | ||||||||||||||
Low Tide | 5:23PM1.21m | 5:40AM0.64m | 7:47PM1.11m | 7:11AM0.67m | 8:49PM0.95m | |||||||||||||
 | |  | |  | | | | |  | | |  | |  | | |  | |
 | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:07 | — | — | — | — | — | — | — | 5:07 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | 1 |
Temp °C | 23 | 23 | 22 | 21 | 21 | 22 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 24 | 25 | 25 | 24 | 24 |
Feels °C | 22 | 22 | 22 | 22 | 21 | 22 | 22 | 22 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 26 |
Swell 1 Height (m) Direction Period (s) | SE 10 | SE 6 | SE 6 | SE 6 | SE 6 | SE 7 | SE 7 | SE 7 | SE 8 | SE 9 | SE 9 | SE 8 | SE 8 | SSE 8 | SE 13 | SE 12 | SE 12 | SE 13 |
| kJ | 4 | 44 | 52 | 54 | 70 | 100 | 104 | 122 | 129 | 148 | 168 | 138 | 135 | 173 | 325 | 277 | 319 | 501 |
Swell 2 Height (m) Direction Period (s) | SE 8 | ESE 10 | ESE 10 | SE 10 | 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 |
| kJ | 3 | 10 | 10 | 16 | 16 | 10 | 2 | 12 | 25 | 64 | 56 | 54 | 70 | 118 | 144 | 188 | 165 | 113 |
Swell 3 Height (m) Direction Period (s) | E 12 | E 10 | E 10 | E 10 | E 10 | E 10 | S 18 | E 9 | E 9 | E 9 | E 9 | SSE 18 | SSE 18 | SSE 16 | E 12 | SSE 15 | S 20 | — |
| kJ | 3 | 2 | 2 | 2 | 2 | 2 | 6 | 2 | 2 | 2 | 2 | 32 | 61 | 107 | 3 | 169 | 30 | — |
Wind waves Height (m) Direction Period (s) | SE 5 | — | — | — | — | — | — | SW 3 | — | — | — | — | SSW 4 | SSW 5 | SSW 5 | SSW 5 | SSW 5 | SSW 5 |
| kJ | 42 | — | — | — | — | — | — | 6 | — | — | — | — | 23 | 34 | 50 | 69 | 51 | 37 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 747 | 382 | 6 | 6 | 6 | 6 | 355 | 355 | 2 | 2 | 2 | 2 | 2 | 2 | 65 | 103 | 6 | 2 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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