Surf Forecasts:
How big are the waves at Katahama today (01 Sep):
- Morning surf: Morning surf (01 Sep, local time) - 2.5ft (0.7m), 12s period with ESE swell.
- Afternoon surf: Afternoon surf (01 Sep, local time) - 2.5ft (0.8m), 12s period with ESE swell.
- Evening surf: Evening surf (01 Sep, local time) - 2.5ft (0.8m), 11s period with E swell.
The current surf forecast for Katahama at 10AM is: 0.8m 12s primary swell from a East-southeast direction and 0.7m 4s secondary swell from a East direction (forecast issued at 02:00am September 01). An open ocean swell of 0.5m 9s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 Sep) | 2.5ft (0.7m) | 12s |
| Afternoon (01 Sep) | 2.5ft (0.8m) | 12s |
| Evening (01 Sep) | 2.5ft (0.8m) | 11s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 28mm), heaviest during Thu night. Warm (max 27°C on Wed morning, min 22°C on Thu afternoon). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 1 | Wednesday 2 | Thursday 3 | ||||||||||||||||||||||
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) | E 13 | E 13 | ESE 13 | ESE 12 | ESE 12 | ESE 12 | 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 | E 10 | E 10 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 130 | 168 | 165 | 160 | 192 | 186 | 186 | 157 | 160 | 160 | 149 | 112 | 110 | 102 | 71 | 96 | 74 | 112 | 85 | 81 | 72 | 69 | 69 | 48 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross | cross-on | on | on | on | cross-on | cross-on | glassy | glassy | cross-on | on | on | on | glassy | cross | cross | cross-off | glassy | glassy | off | cross-off | cross |
High Tide | 7:49AM1.59m | 7:45PM1.75m | 8:38AM1.47m | 8:17PM1.69m | 9:42AM1.34m | 8:51PM1.59m | ||||||||||||||||||
Low Tide | 1:43AM0.50m | 1:37PM0.73m | 2:27AM0.51m | 2:09PM0.88m | 3:19AM0.56m | 2:44PM1.03m | ||||||||||||||||||
 |  |  |  | | | |  | | | | |  | | | | | |  | | |  | |  | |
 | — | 5:18 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:14 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:12 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | 2 | 3 | 5 | 8 |
Temp °C | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 26 | 27 | 27 | 27 | 26 | 26 | 26 | 25 | 25 | 25 | 24 | 22 | 22 |
Feels °C | 27 | 28 | 27 | 28 | 27 | 27 | 28 | 27 | 28 | 29 | 29 | 29 | 29 | 29 | 31 | 30 | 30 | 30 | 29 | 29 | 29 | 26 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | E 13 | E 13 | ESE 13 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | E 11 | E 11 | E 11 | E 11 | E 11 | E 11 | S 8 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 8 | S 8 | S 10 |
| kJ | 130 | 168 | 165 | 160 | 192 | 186 | 186 | 157 | 160 | 160 | 149 | 112 | 110 | 92 | 96 | 96 | 127 | 125 | 122 | 122 | 119 | 116 | 92 | 192 |
Swell 2 Height (m) Direction Period (s) | SSW 8 | SSW 8 | S 8 | SW 9 | SW 9 | SW 9 | SW 9 | SSW 8 | S 8 | S 8 | S 8 | S 8 | S 8 | E 10 | E 10 | E 10 | E 10 | E 11 | E 11 | E 11 | E 10 | E 10 | E 10 | E 10 |
| kJ | 40 | 39 | 35 | 40 | 37 | 36 | 38 | 23 | 35 | 34 | 49 | 50 | 69 | 102 | 71 | 96 | 74 | 112 | 85 | 81 | 72 | 69 | 69 | 48 |
Swell 3 Height (m) Direction Period (s) | SW 9 | SW 9 | SW 9 | S 8 | SSW 9 | SSW 9 | 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 | SE 10 | SSW 12 | SE 6 |
| kJ | 41 | 41 | 41 | 35 | 26 | 26 | 23 | 26 | 25 | 25 | 18 | 21 | 14 | 13 | 31 | 18 | 26 | 17 | 16 | 16 | 15 | 15 | 28 | 8 |
Wind waves Height (m) Direction Period (s) | E 5 | E 5 | E 5 | E 4 | E 4 | E 4 | E 4 | E 4 | E 4 | ESE 4 | ESE 4 | E 4 | E 3 | ESE 3 | ESE 3 | — | — | — | ENE 2 | — | — | — | — | — |
| kJ | 44 | 35 | 20 | 17 | 22 | 24 | 12 | 7 | 7 | 5 | 4 | 2 | 1 | 1 | 1 | — | — | — | 1 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 150 | 150 | 13 | 150 | 104 | 103 | 103 | 103 | 2 | 2 | 2 | 2 | 13 | 104 | 208 | 2 | 13 | 2 | 2 | 2 | 2 | 2 | 2 | 13 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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