Surf Forecasts:
How big are the waves at Katahama today (01 Sep):
- 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 9PM is: 0.8m 11s primary swell from a East direction and 0.5m 4s secondary swell from a East direction (forecast issued at 02:00pm September 01). An open ocean swell of 0.4m 8s 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) | - | - |
| 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 208mm), heaviest during Thu night. Warm (max 28°C on Wed morning, min 21°C on Thu afternoon). Winds increasing (light winds from the NE on Tue night, fresh winds from the NNE by Thu night). | ||||||||||||||||||||
Tue 1 | Wednesday 2 | Thursday 3 | ||||||||||||||||||
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) | 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 | 192 | 186 | 186 | 157 | 160 | 160 | 149 | 184 | 143 | 102 | 96 | 125 | 100 | 144 | 112 | 81 | 72 | 71 | 69 | 71 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | cross-on | cross | cross | cross | cross-on | cross-on | on | on | cross-on | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross |
High Tide | 7:45PM1.75m | 8:38AM1.47m | 8:17PM1.69m | 9:42AM1.34m | 8:51PM1.59m | |||||||||||||||
Low Tide | 1:37PM0.73m | 2:27AM0.51m | 2:09PM0.88m | 3:19AM0.56m | 2:44PM1.03m | |||||||||||||||
 | | |  | |  | |  |  | | |  | |  |  |  | | |  |  | |
 | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — |
 | — | — | 6:14 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:12 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 4 | 2 | 2 | 9 | 24 |
Temp °C | 27 | 27 | 27 | 26 | 26 | 26 | 25 | 26 | 28 | 28 | 27 | 26 | 26 | 26 | 25 | 24 | 24 | 24 | 21 | 21 |
Feels °C | 29 | 28 | 29 | 29 | 30 | 29 | 28 | 28 | 30 | 30 | 30 | 30 | 30 | 29 | 28 | 27 | 27 | 27 | 21 | 21 |
Swell 1 Height (m) Direction Period (s) | ESE 12 | ESE 12 | ESE 12 | E 11 | E 11 | E 11 | E 11 | E 11 | E 11 | S 8 | S 10 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 12 | S 11 |
| kJ | 192 | 186 | 186 | 157 | 160 | 160 | 149 | 184 | 143 | 92 | 115 | 96 | 101 | 96 | 94 | 94 | 119 | 119 | 276 | 233 |
Swell 2 Height (m) Direction Period (s) | 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 | 37 | 36 | 38 | 23 | 35 | 34 | 49 | 50 | 69 | 102 | 96 | 125 | 100 | 144 | 112 | 81 | 72 | 71 | 69 | 71 |
Swell 3 Height (m) Direction Period (s) | 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 | SSW 13 | SE 10 | SE 10 |
| kJ | 26 | 26 | 23 | 26 | 25 | 25 | 18 | 21 | 14 | 13 | 31 | 18 | 26 | 17 | 16 | 16 | 15 | 31 | 15 | 15 |
Wind waves Height (m) Direction Period (s) | E 4 | E 4 | E 4 | E 4 | E 3 | E 4 | E 4 | E 4 | E 4 | ESE 4 | ESE 4 | — | — | ENE 3 | ENE 2 | — | — | — | N 3 | NE 4 |
| kJ | 16 | 15 | 11 | 7 | 6 | 7 | 7 | 7 | 6 | 5 | 4 | — | — | 1 | 1 | — | — | — | 5 | 17 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 145 | 103 | 103 | 103 | 13 | 13 | 13 | 13 | 13 | 104 | 13 | 13 | 2 | 13 | 13 | 2 | 2 | 2 | 66 | 66 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
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