Surf Forecasts:
How big are the waves at Katahama today (22 Sep):
- Morning surf: Morning surf (22 Sep, local time) - 3.5ft (1.0m), 9s period with SSE swell.
- Afternoon surf: Afternoon surf (22 Sep, local time) - 3ft (0.9m), 8s period with SSE swell.
- Evening surf: Evening surf (22 Sep, local time) - 2.5ft (0.8m), 8s period with SSE swell.
The current surf forecast for Katahama at 8AM is: 1.0m 9s primary swell from a South-southeast direction (forecast issued at 02:00am September 22). An open ocean swell of 1.2m 6s is not directed at the surf break. The wind direction is predicted to be glassy and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Sep) | 3.5ft (1.0m) | 9s |
| Afternoon (22 Sep) | 3ft (0.9m) | 8s |
| Evening (22 Sep) | 2.5ft (0.8m) | 8s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Thu night. Warm (max 28°C on Tue afternoon, min 22°C on Wed morning). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 22 | Wednesday 23 | Thursday 24 | ||||||||||||||||||||||
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) | SE 10 | SSE 10 | SSE 9 | SSE 9 | SSE 9 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 7 | S 7 | ENE 4 | ENE 5 | E 6 | E 6 | E 6 | E 5 | E 6 | E 6 | E 6 | ESE 5 | E 9 | ESE 5 | ESE 5 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 784 | 256 | 226 | 168 | 154 | 108 | 94 | 79 | 75 | 55 | 37 | 49 | 138 | 149 | 123 | 103 | 58 | 38 | 23 | 15 | 10 | 14 | 5 | 5 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | off | cross | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-off | cross-off | glassy | glassy | cross-on | cross-on | cross-on | cross-on |
High Tide | 2:17AM1.37m | 4:00PM1.58m | 3:16AM1.47m | 4:22PM1.63m | 3:59AM1.56m | 4:41PM1.67m | ||||||||||||||||||
Low Tide | 9:30PM1.10m | 9:08AM0.57m | 10:02PM0.97m | 9:51AM0.54m | 10:27PM0.84m | 10:25AM0.54m | ||||||||||||||||||
 | |  | |  | |  |  | | | | | | | | | | | | | | | | | |
 | — | 5:33 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:44 | — | — | — | — | — | — | — | 5:42 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 24 | 24 | 26 | 27 | 28 | 26 | 26 | 24 | 24 | 24 | 23 | 22 | 24 | 23 | 23 | 22 | 22 | 22 | 24 | 25 | 26 | 24 | 24 |
Feels °C | 28 | 26 | 26 | 29 | 28 | 28 | 26 | 25 | 24 | 24 | 23 | 21 | 20 | 22 | 22 | 23 | 23 | 24 | 24 | 27 | 26 | 28 | 26 | 27 |
Swell 1 Height (m) Direction Period (s) | SE 10 | SSE 10 | SSE 9 | W 6 | SSE 9 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 7 | S 7 | S 7 | SSE 7 | SSE 7 | SSE 6 | S 6 | S 6 | SSE 6 | E 6 | E 6 | ESE 5 | ESE 5 | WSW 3 | SW 4 |
| kJ | 784 | 256 | 226 | 106 | 154 | 108 | 94 | 79 | 75 | 55 | 37 | 24 | 15 | 15 | 8 | 7 | 7 | 7 | 23 | 15 | 10 | 9 | 4 | 4 |
Swell 2 Height (m) Direction Period (s) | WSW 6 | E 9 | E 9 | SSE 9 | W 6 | W 6 | W 5 | W 4 | E 9 | E 9 | S 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | E 10 | E 10 | E 9 | SSE 8 | E 9 | E 9 | E 9 | SSW 4 | W 4 |
| kJ | 165 | 211 | 80 | 168 | 68 | 38 | 12 | 3 | 7 | 7 | 6 | 7 | 7 | 7 | 6 | 8 | 7 | 7 | 7 | 6 | 6 | 14 | 4 | 2 |
Swell 3 Height (m) Direction Period (s) | E 9 | — | E 9 | E 9 | E 10 | E 9 | E 9 | E 9 | W 4 | S 9 | SE 9 | SE 9 | SSE 9 | SSE 9 | SE 9 | SSW 8 | SSW 8 | SSW 8 | E 9 | SSW 8 | S 5 | SSW 8 | ESE 5 | ESE 5 |
| kJ | 246 | — | 60 | 41 | 17 | 7 | 7 | 7 | 1 | 6 | 3 | 3 | 8 | 8 | 3 | 6 | 6 | 6 | 6 | 6 | 2 | 6 | 5 | 5 |
Wind waves Height (m) Direction Period (s) | — | W 6 | W 6 | WNW 6 | — | — | E 3 | E 4 | E 4 | E 3 | ENE 4 | ENE 4 | ENE 5 | E 6 | E 6 | E 6 | E 5 | E 6 | — | — | — | SSW 5 | W 3 | — |
| kJ | — | 112 | 144 | 212 | — | — | 1 | 9 | 10 | 5 | 19 | 49 | 138 | 149 | 123 | 103 | 58 | 38 | — | — | — | 9 | 2 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 2 | 2 | 2 | 6 | 104 | 437 | 236 | 13 | 13 | 13 | 103 | 94 | 1289 | 1289 | 911 | 827 | 150 | 94 | 94 | 179 | 179 | 179 | 190 | 186 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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