Surf Forecasts:
How big are the waves at Katahama today (07 Sep):
- Morning surf: Morning surf (07 Sep, local time) - 8ft (2.5m), 9s period with S swell.
- Afternoon surf: Afternoon surf (07 Sep, local time) - 10ft (3.0m), 9s period with S swell.
- Evening surf: Evening surf (07 Sep, local time) - 8ft (2.5m), 9s period with S swell.
The current surf forecast for Katahama at 11AM is: 2.5m 9s primary swell from a South direction and 1.1m 8s secondary swell from a East direction (forecast issued at 08:00am September 07). An open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 Sep) | 8ft (2.5m) | 9s |
| Afternoon (07 Sep) | 10ft (3.0m) | 9s |
| Evening (07 Sep) | 8ft (2.5m) | 9s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 75mm), heaviest during Wed night. Warm (max 28°C on Wed morning, min 22°C on Mon morning). Wind will be generally light. | ||||||||||||||||||||||
Monday 7 | Tuesday 8 | Wednesday 9 | ||||||||||||||||||||
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) | S 10 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | SE 8 | SSE 8 | SE 8 | E 9 | ESE 10 | ESE 10 | ESE 10 | E 17 | E 17 | E 16 | E 16 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 1005 | 1126 | 1236 | 1535 | 1288 | 1104 | 1029 | 865 | 718 | 651 | 586 | 176 | 202 | 142 | 14 | 19 | 19 | 19 | 23 | 22 | 21 | 21 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross | glassy | cross | glassy | glassy | glassy | glassy | cross-on | on | glassy | glassy | glassy | cross | cross-off | cross-off | cross-off | cross | cross | cross-on | cross-on |
High Tide | 4:12PM1.54m | 2:51AM1.44m | 4:35PM1.60m | 3:41AM1.53m | 4:55PM1.64m | |||||||||||||||||
Low Tide | 8:59AM0.55m | 10:00PM1.10m | 9:47AM0.49m | 10:29PM0.99m | 10:23AM0.46m | |||||||||||||||||
 |  | | | |  |  | |  |  |  | | |  | | | | | | | | | |
 | 5:22 | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — |
 | — | — | — | — | 6:06 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:02 | — |
mm | 23 | 5 | 3 | 4 | 2 | 2 | 4 | 3 | — | — | 3 | 4 | 2 | 3 | 4 | 4 | 2 | 3 | 3 | 3 | 3 | 4 |
Temp °C | 22 | 22 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 26 | 27 | 26 | 26 | 26 | 25 | 26 | 26 | 27 | 28 | 28 | 27 | 27 |
Feels °C | 22 | 23 | 27 | 28 | 28 | 29 | 29 | 29 | 29 | 31 | 32 | 32 | 32 | 32 | 30 | 31 | 31 | 30 | 30 | 31 | 31 | 30 |
Swell 1 Height (m) Direction Period (s) | S 10 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | SSW 10 | SSW 10 | SSW 9 | S 9 | S 9 | S 9 | ESE 10 | ESE 10 | ESE 10 | SSW 9 | SSW 9 |
| kJ | 1005 | 1126 | 1236 | 1535 | 1288 | 1104 | 1029 | 865 | 718 | 651 | 586 | 539 | 517 | 592 | 880 | 984 | 992 | 19 | 19 | 19 | 1497 | 1106 |
Swell 2 Height (m) Direction Period (s) | SW 9 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | SE 10 | SW 11 | SW 10 | SW 10 | SE 8 | SSE 8 | SE 8 | E 9 | ESE 10 | ESE 10 | E 17 | E 17 | E 17 | E 16 | E 16 |
| kJ | 13 | 200 | 157 | 63 | 48 | 45 | 35 | 28 | 57 | 112 | 84 | 176 | 202 | 142 | 14 | 19 | 19 | 6 | 23 | 22 | 21 | 21 |
Swell 3 Height (m) Direction Period (s) | ESE 11 | NNE 4 | — | — | — | — | — | SE 10 | E 8 | E 9 | E 8 | E 9 | E 9 | E 9 | ESE 10 | E 8 | E 18 | SE 12 | SE 12 | SE 12 | E 9 | E 16 |
| kJ | 12 | 10 | — | — | — | — | — | 28 | 23 | 24 | 22 | 14 | 13 | 13 | 10 | 5 | 6 | 6 | 6 | 6 | 7 | 21 |
Wind waves Height (m) Direction Period (s) | E 8 | NE 4 | NNE 4 | — | — | — | — | — | — | — | — | — | — | SSW 9 | S 9 | SSW 9 | — | S 9 | S 9 | SSW 9 | — | — |
| kJ | 438 | 32 | 12 | — | — | — | — | — | — | — | — | — | — | 755 | 1044 | 849 | — | 971 | 1224 | 1469 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 85 | 13 | 13 | 2 | 94 | 2 | 2 | 2 | 2 | 2 | 65 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 351 | 103 | 103 | 104 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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