Surf Forecasts:
How big are the waves at Katahama today (16 Aug):
- Afternoon surf: Afternoon surf (16 Aug, local time) - 4.5ft (1.3m), 10s period with E swell.
- Evening surf: Evening surf (16 Aug, local time) - 2.5ft (0.7m), 9s period with E swell.
The current surf forecast for Katahama at 8PM is: 0.7m 9s primary swell from a East direction and 0.8m 5s secondary swell from a East-southeast direction (forecast issued at 02:00pm August 16). An open ocean swell of 0.7m 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 (16 Aug) | - | - |
| Afternoon (16 Aug) | 4.5ft (1.3m) | 10s |
| Evening (16 Aug) | 2.5ft (0.7m) | 9s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Sun afternoon, min 24°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Sun 16 | Monday 17 | Tuesday 18 | ||||||||||||||||||
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 10 | E 10 | E 9 | E 9 | E 9 | ESE 8 | E 8 | E 8 | E 9 | ESE 9 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | E 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 |
Wave Graph  | ||||||||||||||||||||
 kJ | 69 | 313 | 215 | 71 | 151 | 120 | 113 | 113 | 76 | 101 | 96 | 94 | 73 | 73 | 72 | 66 | 92 | 81 | 83 | 81 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | on | cross-on | cross-on | cross | cross | cross-on | on | on | on | cross-on | cross | cross | cross-off | cross | on | on | on | cross-on |
High Tide | 7:24PM1.76m | 7:35AM1.61m | 7:54PM1.75m | 8:21AM1.51m | 8:26PM1.70m | |||||||||||||||
Low Tide | 1:08PM0.48m | 1:41AM0.59m | 1:39PM0.59m | 2:23AM0.57m | 2:11PM0.73m | |||||||||||||||
 | | |  |  |  | |  | | | | | | |  | | | | | | |
 | — | — | — | — | — | 5:07 | — | — | — | — | — | — | — | 5:09 | — | — | — | — | — | — |
 | — | — | 6:35 | — | — | — | — | — | — | — | 6:32 | — | — | — | — | — | — | — | 6:31 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 28 | 26 | 26 | 25 | 25 | 25 | 26 | 27 | 27 | 26 | 26 | 25 | 24 | 24 | 26 | 28 | 27 | 27 | 26 |
Feels °C | 28 | 29 | 26 | 28 | 28 | 27 | 28 | 27 | 28 | 28 | 27 | 28 | 28 | 26 | 27 | 28 | 30 | 28 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | ESE 8 | E 8 | SSW 8 | E 9 | SSW 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | E 8 | SSW 8 | SSW 8 | ESE 8 | ESE 8 |
| kJ | 80 | 62 | 79 | 80 | 82 | 120 | 113 | 55 | 76 | 54 | 96 | 94 | 73 | 73 | 72 | 66 | 23 | 12 | 83 | 81 |
Swell 2 Height (m) Direction Period (s) | E 10 | SW 8 | SE 11 | E 9 | SE 11 | SSW 9 | SSW 8 | SE 11 | SSW 8 | SE 11 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SE 10 | SW 8 | SSW 8 | SSW 8 |
| kJ | 69 | 18 | 31 | 71 | 42 | 80 | 57 | 19 | 54 | 18 | 38 | 36 | 35 | 35 | 26 | 24 | 17 | 9 | 12 | 12 |
Swell 3 Height (m) Direction Period (s) | ESE 9 | SE 11 | ESE 9 | SE 11 | ESE 9 | SE 11 | SE 11 | ESE 9 | SE 11 | S 16 | SE 11 | SE 11 | SE 11 | SE 11 | SE 10 | SE 10 | SW 9 | SE 10 | SW 8 | SW 8 |
| kJ | 28 | 19 | 17 | 30 | 8 | 42 | 19 | 8 | 19 | 5 | 18 | 18 | 18 | 18 | 17 | 17 | 3 | 16 | 10 | 10 |
Wind waves Height (m) Direction Period (s) | ESE 6 | E 10 | E 9 | ESE 5 | E 9 | — | — | E 8 | ESE 4 | ESE 9 | — | — | — | — | — | ENE 3 | ESE 8 | ESE 8 | — | — |
| kJ | 52 | 313 | 215 | 29 | 151 | — | — | 113 | 9 | 101 | — | — | — | — | — | 7 | 92 | 81 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 150 | 104 | 85 | 104 | 103 | 103 | 103 | 104 | 104 | 104 | 104 | 104 | 13 | 13 | 13 | 13 | 13 | 104 | 104 | 104 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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