Surf Forecasts:
How big are the waves at Katahama today (11 Aug):
- Afternoon surf: Afternoon surf (11 Aug, local time) - 4.5ft (1.3m), 12s period with E swell.
- Evening surf: Evening surf (11 Aug, local time) - 3.5ft (1.0m), 12s period with E swell.
The current surf forecast for Katahama at 7PM is: 1.1m 12s primary swell from a East direction (forecast issued at 02:00pm August 11). An open ocean swell of 0.9m 10s is not directed at the surf break, a second open ocean swell of 1.1m 10s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Aug) | - | - |
| Afternoon (11 Aug) | 4.5ft (1.3m) | 12s |
| Evening (11 Aug) | 3.5ft (1.0m) | 12s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 8mm), mostly falling on Tue night. Warm (max 29°C on Fri morning, min 24°C on Tue night). Winds decreasing (fresh winds from the ENE on Wed morning, light winds from the E by Thu night). | ||||||||||||||||||||
Tue 11 | Wednesday 12 | Thursday 13 | ||||||||||||||||||
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 11 | E 12 | E 11 | E 12 | E 12 | SSW 10 | SSW 10 | SSW 10 | SSE 13 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 |
Wave Graph  | ||||||||||||||||||||
 kJ | 418 | 446 | 367 | 268 | 217 | 0 | 0 | 0 | 16 | 284 | 268 | 314 | 214 | 201 | 201 | 249 | 89 | 113 | 118 | 216 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | off | cross-off | cross-off | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-on | on | on | cross-on |
High Tide | 5:33PM1.60m | 4:20AM1.60m | 5:51PM1.64m | 4:58AM1.66m | 6:11PM1.68m | |||||||||||||||
Low Tide | 10:44AM0.34m | 11:10PM1.03m | 11:15AM0.31m | 11:35PM0.94m | 11:43AM0.31m | |||||||||||||||
 |  |  |  |  | | |  | | | | | |  | | | |  | |  | |
 | — | — | — | — | — | 5:03 | — | — | — | — | — | — | — | 5:05 | — | — | — | — | — | — |
 | — | — | 6:39 | — | — | — | — | — | — | — | 6:38 | — | — | — | — | — | — | — | 6:37 | — |
mm | 1 | — | — | — | — | — | 3 | 2 | — | 1 | 1 | — | — | — | — | — | — | — | — | 1 |
Temp °C | 25 | 28 | 28 | 26 | 26 | 26 | 24 | 24 | 26 | 26 | 25 | 25 | 25 | 24 | 24 | 27 | 28 | 28 | 27 | 26 |
Feels °C | 27 | 31 | 29 | 29 | 28 | 28 | 26 | 23 | 23 | 25 | 24 | 25 | 25 | 24 | 24 | 27 | 29 | 30 | 29 | 30 |
Swell 1 Height (m) Direction Period (s) | E 11 | E 12 | E 11 | E 12 | SSW 10 | WSW 6 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 9 | E 10 |
| kJ | 418 | 446 | 367 | 268 | 184 | 95 | 184 | 202 | 180 | 260 | 216 | 212 | 122 | 208 | 204 | 171 | 168 | 145 | 168 | 216 |
Swell 2 Height (m) Direction Period (s) | SSW 11 | SSW 10 | SSW 10 | SSW 10 | E 12 | SSW 10 | WSW 5 | SW 11 | SW 11 | SSE 13 | S 5 | S 6 | SSW 10 | S 5 | S 5 | S 6 | E 10 | E 10 | E 10 | SSW 9 |
| kJ | 198 | 187 | 191 | 187 | 217 | 176 | 32 | 75 | 112 | 16 | 29 | 30 | 102 | 19 | 14 | 17 | 89 | 113 | 118 | 133 |
Swell 3 Height (m) Direction Period (s) | SW 11 | SW 11 | SW 10 | SE 13 | SE 13 | SW 11 | SW 11 | WSW 4 | SSE 13 | SE 13 | SSE 13 | SE 12 | S 5 | SE 12 | S 5 | SE 12 | S 6 | SSW 6 | SSE 12 | SSW 5 |
| kJ | 159 | 159 | 150 | 7 | 7 | 119 | 119 | 6 | 16 | 6 | 16 | 6 | 27 | 6 | 13 | 5 | 18 | 10 | 14 | 5 |
Wind waves Height (m) Direction Period (s) | — | WSW 4 | SW 10 | WSW 10 | WSW 6 | W 5 | — | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 5 | E 4 | E 4 | — |
| kJ | — | 3 | 231 | 445 | 190 | 76 | — | 216 | 290 | 284 | 268 | 314 | 214 | 201 | 201 | 249 | 35 | 26 | 13 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 198 | 6 | 103 | 2 | 2 | 2 | 13 | 103 | 334 | 103 | 103 | 103 | 103 | 132 | 13 | 150 | 150 | 132 | 104 | 2 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
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