Surf Forecasts:
How big are the waves at Katahama today (02 Sep):
- Morning surf: Morning surf (02 Sep, local time) - 2.5ft (0.7m), 11s period with E swell.
- Afternoon surf: Afternoon surf (02 Sep, local time) - 2.5ft (0.8m), 10s period with E swell.
- Evening surf: Evening surf (02 Sep, local time) - 2.5ft (0.8m), 10s period with E swell.
The current surf forecast for Katahama at 12AM is: 0.8m 11s primary swell from a East direction and 0.5m 4s secondary swell from a East direction (forecast issued at 08:00pm September 01). An open ocean swell of 0.5m 8s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (02 Sep) | 2.5ft (0.7m) | 11s |
| Afternoon (02 Sep) | 2.5ft (0.8m) | 10s |
| Evening (02 Sep) | 2.5ft (0.8m) | 10s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 125mm), heaviest during Thu night. Warm (max 27°C on Wed morning, min 21°C on Thu night). Wind will be generally light. | ||||||||||||||||||
Tue 1 | Wednesday 2 | Thursday 3 | ||||||||||||||||
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) | ESE 12 | E 11 | E 11 | E 11 | E 11 | E 11 | E 11 | E 10 | E 10 | E 10 | E 10 | E 11 | E 11 | E 11 | E 10 | E 10 | S 8 | E 10 |
Wave Graph  | ||||||||||||||||||
 kJ | 186 | 157 | 160 | 160 | 149 | 112 | 110 | 133 | 125 | 125 | 100 | 144 | 112 | 112 | 72 | 69 | 89 | 48 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross | cross-on | cross-on | cross-on | on | on | on | cross-on | cross | cross | cross-off | glassy | glassy | off | cross-off | off |
High Tide | 7:45PM1.75m | 8:38AM1.47m | 8:17PM1.69m | 9:42AM1.34m | 8:51PM1.59m | |||||||||||||
Low Tide | 2:27AM0.51m | 2:09PM0.88m | 3:19AM0.56m | 2:44PM1.03m | ||||||||||||||
 |  | |  |  | |  | | | |  | |  | | | |  | | |
 | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — |
 | 6:14 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:12 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 3 | — | — | 1 | 2 | — |
Temp °C | 27 | 26 | 26 | 25 | 25 | 26 | 27 | 27 | 27 | 26 | 26 | 26 | 25 | 26 | 26 | 26 | 24 | 24 |
Feels °C | 30 | 29 | 30 | 28 | 29 | 29 | 29 | 29 | 30 | 30 | 30 | 29 | 29 | 30 | 30 | 30 | 27 | 27 |
Swell 1 Height (m) Direction Period (s) | ESE 12 | E 11 | E 11 | E 11 | E 11 | E 11 | S 8 | E 10 | S 10 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 8 | S 11 |
| kJ | 186 | 157 | 160 | 160 | 149 | 112 | 69 | 133 | 117 | 99 | 127 | 99 | 94 | 94 | 119 | 119 | 89 | 238 |
Swell 2 Height (m) Direction Period (s) | SW 9 | SSW 8 | S 8 | S 8 | S 8 | S 8 | E 11 | S 8 | E 10 | E 10 | E 10 | E 11 | E 11 | E 11 | E 10 | E 10 | SSW 12 | E 10 |
| kJ | 38 | 23 | 35 | 33 | 49 | 68 | 110 | 92 | 125 | 125 | 100 | 144 | 112 | 112 | 72 | 69 | 107 | 48 |
Swell 3 Height (m) Direction Period (s) | SSW 8 | SW 9 | SW 8 | SW 8 | SW 8 | SW 9 | SW 9 | SW 9 | E 13 | SE 11 | E 12 | SE 10 | SE 10 | SE 10 | SE 10 | SSW 13 | E 10 | SE 6 |
| kJ | 23 | 27 | 25 | 25 | 18 | 21 | 14 | 13 | 31 | 18 | 26 | 17 | 16 | 16 | 15 | 33 | 69 | 14 |
Wind waves Height (m) Direction Period (s) | E 4 | E 4 | E 4 | E 4 | E 4 | ESE 4 | ESE 4 | — | — | — | — | — | — | — | — | — | NNW 2 | NNW 2 |
| kJ | 11 | 10 | 6 | 7 | 8 | 6 | 6 | — | — | — | — | — | — | — | — | — | 1 | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 103 | 103 | 13 | 103 | 13 | 104 | 13 | 104 | 13 | 13 | 13 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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