Surf Forecasts:
How big are the waves at Katahama today (18 Oct):
- Morning surf: Morning surf (18 Oct, local time) - 2.5ft (0.7m), 6s period with ESE swell.
- Afternoon surf: Afternoon surf (18 Oct, local time) - 3ft (0.9m), 5s period with ESE swell.
- Evening surf: Evening surf (18 Oct, local time) - 3.5ft (1.1m), 6s period with SE swell.
The current surf forecast for Katahama at 5AM is: 0.8m 7s primary swell from a East-southeast direction and 0.2m 7s secondary swell from a South-southeast direction, 0.1m 11s secondary swell from a Southeast direction (forecast issued at 02:00am October 18). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Oct) | 2.5ft (0.7m) | 6s |
| Afternoon (18 Oct) | 3ft (0.9m) | 5s |
| Evening (18 Oct) | 3.5ft (1.1m) | 6s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 11mm), heaviest 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 | ||||||||||||||||||||||
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 | 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) | E 7 | ESE 8 | ESE 7 | ESE 6 | ESE 5 | ESE 5 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 7 | SE 7 | SE 8 | SE 8 | SE 9 | SE 9 | SE 8 | SE 8 | SE 8 | SE 9 | SSE 10 | SE 12 | SSE 12 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 109 | 94 | 73 | 31 | 39 | 44 | 44 | 72 | 52 | 56 | 68 | 100 | 102 | 114 | 138 | 149 | 149 | 139 | 132 | 136 | 176 | 221 | 314 | 483 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | 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 | 1 | 2 | 3 | 1 | — |
Temp °C | 21 | 20 | 19 | 20 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 22 | 24 | 24 | 23 | 23 | 22 | 22 | 22 | 23 | 25 | 25 | 24 | 24 |
Feels °C | 20 | 20 | 18 | 18 | 20 | 20 | 21 | 22 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 23 | 22 | 23 | 24 | 26 | 25 | 25 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | SSE 7 | SSE 7 | SSE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | SE 6 | SE 6 | SE 6 | SE 6 | SE 7 | SE 7 | SE 8 | SE 8 | SE 9 | SE 9 | SE 8 | SE 8 | SE 8 | SE 9 | SSE 10 | SE 12 | SSE 12 |
| kJ | 5 | 5 | 4 | 6 | 6 | 7 | 6 | 46 | 52 | 56 | 68 | 100 | 102 | 114 | 138 | 149 | 149 | 139 | 132 | 136 | 176 | 221 | 314 | 483 |
Swell 2 Height (m) Direction Period (s) | E 13 | S 11 | SE 11 | SSE 7 | SSE 6 | S 6 | SE 10 | SE 10 | ESE 10 | SE 10 | SE 10 | E 10 | E 9 | SE 17 | SSE 16 | SE 16 | SE 15 | SE 14 | SSE 13 | SSE 13 | SSE 13 | SSE 12 | SSE 15 | SSE 14 |
| kJ | 3 | 2 | 5 | 4 | 4 | 3 | 4 | 4 | 10 | 4 | 16 | 2 | 2 | 12 | 25 | 64 | 56 | 54 | 70 | 68 | 113 | 133 | 249 | 361 |
Swell 3 Height (m) Direction Period (s) | — | E 12 | E 12 | SE 11 | SE 11 | SE 11 | E 12 | E 10 | E 10 | E 10 | E 10 | E 12 | S 18 | E 9 | E 9 | — | — | SSE 18 | SSE 18 | SSE 17 | SSE 16 | SSE 16 | SSE 18 | — |
| kJ | — | 3 | 3 | 5 | 5 | 5 | 3 | 2 | 2 | 2 | 2 | 3 | 6 | 2 | 2 | — | — | 31 | 60 | 113 | 147 | 188 | 110 | — |
Wind waves Height (m) Direction Period (s) | E 7 | ESE 8 | ESE 7 | ESE 6 | ESE 5 | ESE 5 | SE 6 | SE 6 | — | — | — | — | — | WSW 2 | SW 3 | WSW 3 | — | — | — | — | — | — | SSW 5 | — |
| kJ | 109 | 94 | 73 | 31 | 39 | 44 | 44 | 72 | — | — | — | — | — | 1 | 2 | 2 | — | — | — | — | — | — | 31 | — |
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 | 2 | 2 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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