Surf Forecasts:
How big are the waves at Katahama today (03 Sep):
- Morning surf: Morning surf (03 Sep, local time) - 2.5ft (0.7m), 11s period with E swell.
- Afternoon surf: Afternoon surf (03 Sep, local time) - 2ft (0.6m), 10s period with E swell.
- Evening surf: Evening surf (03 Sep, local time) - 1.5ft (0.5m), 10s period with E swell.
The current surf forecast for Katahama at 2AM is: 0.7m 10s primary swell from a East direction and 0.3m 5s secondary swell from a East-southeast direction (forecast issued at 08:00pm September 02). An open ocean swell of 0.8m 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 (03 Sep) | 2.5ft (0.7m) | 11s |
| Afternoon (03 Sep) | 2ft (0.6m) | 10s |
| Evening (03 Sep) | 1.5ft (0.5m) | 10s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 99mm), heaviest during Fri night. Warm (max 29°C on Thu morning, min 21°C on Fri afternoon). Winds increasing (calm on Thu morning, fresh winds from the ENE by Sat afternoon). | ||||||||||||||||||
Wed 2 | Thursday 3 | Friday 4 | ||||||||||||||||
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 | E 10 | E 11 | E 11 | E 11 | E 10 | E 10 | E 10 | E 10 | E 10 | S 10 | E 10 | ESE 9 | ESE 9 | E 9 | SE 9 | SE 9 |
Wave Graph  | ||||||||||||||||||
 kJ | 96 | 125 | 74 | 112 | 114 | 112 | 100 | 71 | 69 | 48 | 48 | 290 | 30 | 81 | 53 | 27 | 39 | 39 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | glassy | cross | cross | glassy | glassy | cross | cross-off | cross-off | cross-off | cross-off | glassy | glassy | glassy | glassy | cross-off | cross-off | cross-off |
High Tide | 8:17PM1.69m | 9:42AM1.34m | 8:51PM1.59m | 11:47AM1.25m | ||||||||||||||
Low Tide | 3:19AM0.56m | 2:44PM1.03m | 4:27AM0.62m | 3:30PM1.19m | ||||||||||||||
 |  | |  | | | | |  | |  | | | | |  | |  | |
 | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — |
 | 6:13 | — | — | — | — | — | — | — | 6:12 | — | — | — | — | — | — | — | 6:09 | — |
mm | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 3 | 18 |
Temp °C | 27 | 27 | 26 | 26 | 26 | 27 | 29 | 29 | 28 | 27 | 26 | 25 | 25 | 26 | 27 | 24 | 21 | 21 |
Feels °C | 30 | 32 | 30 | 30 | 31 | 32 | 32 | 31 | 29 | 29 | 29 | 29 | 30 | 30 | 31 | 26 | 20 | 20 |
Swell 1 Height (m) Direction Period (s) | S 10 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 8 | S 11 | S 10 | S 10 | S 10 | S 10 | SSW 10 | SSW 10 | S 9 | SSW 10 |
| kJ | 117 | 99 | 101 | 96 | 94 | 94 | 94 | 94 | 66 | 231 | 218 | 290 | 245 | 240 | 245 | 230 | 133 | 291 |
Swell 2 Height (m) Direction Period (s) | E 10 | E 10 | E 10 | E 11 | E 11 | E 11 | E 10 | E 10 | SSW 12 | E 10 | E 10 | E 10 | E 10 | ESE 9 | ESE 9 | ESE 7 | SSW 11 | SE 9 |
| kJ | 96 | 125 | 74 | 112 | 114 | 112 | 100 | 71 | 111 | 48 | 48 | 47 | 30 | 71 | 53 | 17 | 138 | 39 |
Swell 3 Height (m) Direction Period (s) | E 13 | SE 11 | E 12 | E 5 | ESE 5 | SE 10 | SE 10 | SSW 13 | E 10 | SE 10 | W 3 | W 3 | SE 9 | E 10 | E 9 | E 9 | SE 9 | E 9 |
| kJ | 31 | 18 | 26 | 7 | 4 | 16 | 15 | 33 | 69 | 15 | 2 | 2 | 14 | 29 | 28 | 27 | 39 | 26 |
Wind waves Height (m) Direction Period (s) | — | — | ESE 5 | — | — | — | — | — | SW 3 | W 3 | WNW 4 | E 4 | E 4 | E 9 | ENE 9 | N 2 | NNE 4 | NE 4 |
| kJ | — | — | 4 | — | — | — | — | — | 2 | 3 | 7 | 9 | 12 | 81 | 98 | 2 | 13 | 15 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 13 | 2 | 13 | 13 | 2 | 2 | 6 | 6 | 2 | 2 | 2 | 2 | 2 | 2 | 6 | 2 | 103 | 103 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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