Surf Forecasts:
How big are the waves at Katahama today (29 Sep):
- Afternoon surf: Afternoon surf (29 Sep, local time) - 0.5ft (0.2m), 9s period with SSE swell.
- Evening surf: Evening surf (29 Sep, local time) - 0.5ft (0.2m), 9s period with SSE swell.
The current surf forecast for Katahama at 8PM is: 0.2m 10s primary swell from a East direction and 0.1m 12s secondary swell from a Southeast direction (forecast issued at 02:00pm September 29). An open ocean swell of 1.9m 13s is not directed at the surf break, a second open ocean swell of 0.4m 9s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Sep) | - | - |
| Afternoon (29 Sep) | 0.5ft (0.2m) | 9s |
| Evening (29 Sep) | 0.5ft (0.2m) | 9s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 26mm), heaviest during Tue afternoon. Warm (max 28°C on Thu afternoon, min 19°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Tue 29 | Wednesday 30 | Thursday 1 | ||||||||||||||||||
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 10 | E 10 | SE 9 | SSE 9 | E 5 | E 5 | E 6 | E 6 | E 6 | E 6 | E 6 | SSE 12 | SE 8 | E 13 | S 9 | S 9 | SSE 9 | SSE 8 | SSE 8 | SE 8 |
Wave Graph  | ||||||||||||||||||||
 kJ | 8 | 8 | 13 | 8 | 23 | 36 | 30 | 32 | 44 | 73 | 94 | 14 | 3 | 4 | 325 | 275 | 264 | 216 | 161 | 135 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | off | cross | cross | cross-off | cross | cross-off | cross-off | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off |
High Tide | 6:32PM1.80m | 7:36AM1.59m | 7:01PM1.75m | 8:25AM1.49m | 7:33PM1.67m | |||||||||||||||
Low Tide | 12:35PM0.78m | 1:12AM0.34m | 1:05PM0.88m | 1:54AM0.38m | 1:40PM0.99m | |||||||||||||||
 |  |  |  | | | | |  | |  | | |  | |  | | |  | | |
 | — | — | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:41 | — | — | — | — | — | — |
 | — | 5:35 | — | — | — | — | — | — | — | 5:34 | — | — | — | — | — | — | — | 5:31 | — | — |
mm | 4 | 9 | 2 | 6 | 5 | 2 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 20 | 21 | 20 | 21 | 21 | 21 | 21 | 24 | 26 | 28 | 26 | 22 |
Feels °C | 24 | 21 | 20 | 20 | 19 | 19 | 19 | 18 | 19 | 20 | 19 | 20 | 21 | 21 | 22 | 25 | 26 | 26 | 23 | 20 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 10 | SSW 10 | SSW 10 | S 10 | S 10 | S 9 | S 9 | SSE 9 | SSE 8 | SSE 8 | SE 8 |
| kJ | 1027 | 1309 | 1289 | 1144 | 908 | 802 | 624 | 508 | 452 | 426 | 380 | 288 | 313 | 349 | 325 | 275 | 264 | 216 | 161 | 135 |
Swell 2 Height (m) Direction Period (s) | SSW 7 | SSE 9 | SE 9 | SE 12 | E 10 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | E 9 | SE 12 | SSE 12 | SE 8 | E 13 | E 6 | E 6 | E 6 | E 6 | E 6 | E 12 |
| kJ | 96 | 8 | 13 | 6 | 7 | 8 | 8 | 8 | 8 | 7 | 6 | 14 | 3 | 4 | 46 | 25 | 15 | 15 | 10 | 3 |
Swell 3 Height (m) Direction Period (s) | E 10 | E 10 | E 10 | SSE 9 | SSE 9 | E 10 | SE 9 | SE 9 | SSE 9 | SE 12 | SE 12 | SE 8 | SE 8 | — | — | E 9 | E 8 | E 9 | E 9 | — |
| kJ | 8 | 8 | 8 | 8 | 8 | 7 | 3 | 3 | 8 | 6 | 5 | 3 | 3 | — | — | 6 | 6 | 13 | 13 | — |
Wind waves Height (m) Direction Period (s) | — | — | ENE 9 | ENE 9 | E 5 | E 5 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | — | ENE 6 | — | W 3 | WSW 5 | W 5 |
| kJ | — | — | 35 | 28 | 23 | 36 | 30 | 32 | 44 | 73 | 94 | 120 | 98 | 60 | — | 69 | — | 5 | 80 | 80 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 13 | 2 | 13 | 94 | 2 | 13 | 2 | 13 | 13 | 13 | 13 | 13 | 2 | 2 | 2 | 2 | 66 | 65 | 65 | 65 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
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