Surf Forecasts:
How big are the waves at Katahama today (30 Aug):
- Morning surf: Morning surf (30 Aug, local time) - 1ft (0.3m), 11s period with E swell.
- Afternoon surf: Afternoon surf (30 Aug, local time) - 1ft (0.3m), 11s period with E swell.
- Evening surf: Evening surf (30 Aug, local time) - 1.5ft (0.4m), 11s period with E swell.
The current surf forecast for Katahama at 8AM is: 0.3m 11s primary swell from a East direction and 0.5m 4s secondary swell from a East direction (forecast issued at 02:00am August 30). An open ocean swell of 1.0m 6s is not directed at the surf break, a second 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 (30 Aug) | 1ft (0.3m) | 11s |
| Afternoon (30 Aug) | 1ft (0.3m) | 11s |
| Evening (30 Aug) | 1.5ft (0.4m) | 11s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Tue morning, min 24°C on Sun morning). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 30 | Monday 31 | Tuesday 1 | ||||||||||||||||||||||
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 11 | E 11 | E 11 | E 11 | E 11 | E 11 | E 11 | E 11 | ENE 6 | ENE 5 | ENE 5 | E 5 | E 4 | ESE 14 | ESE 14 | ESE 14 | E 13 | E 13 | ESE 13 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | E 11 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 38 | 21 | 21 | 22 | 22 | 22 | 22 | 39 | 3 | 3 | 5 | 4 | 5 | 38 | 64 | 74 | 130 | 168 | 165 | 160 | 192 | 186 | 186 | 157 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | glassy | glassy | cross | cross-on | on | on | on | on | glassy | cross-off | cross | cross-on | cross-on | cross-on | cross-on | glassy |
High Tide | 6:28AM1.72m | 6:48PM1.79m | 7:07AM1.67m | 7:15PM1.79m | 7:49AM1.59m | 7:45PM1.75m | ||||||||||||||||||
Low Tide | 00:33AM0.59m | 12:38PM0.51m | 1:06AM0.53m | 1:07PM0.61m | 1:43AM0.50m | 1:37PM0.73m | ||||||||||||||||||
 |  |  |  | | | | |  | | | |  | | |  | | | | | | | | | |
 | — | 5:16 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:14 | — |
mm | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 23 | 23 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 27 | 27 | 26 | 26 | 26 | 25 | 25 | 27 | 28 | 28 | 27 | 26 |
Feels °C | 26 | 25 | 26 | 27 | 28 | 28 | 28 | 29 | 30 | 29 | 29 | 29 | 30 | 29 | 29 | 31 | 31 | 29 | 29 | 31 | 31 | 31 | 31 | 31 |
Swell 1 Height (m) Direction Period (s) | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SSW 7 | S 7 | S 7 | S 7 | SSW 7 | S 7 | S 8 | SSW 9 | S 8 | E 13 | E 13 | ESE 13 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | E 11 |
| kJ | 162 | 136 | 120 | 78 | 56 | 43 | 28 | 46 | 26 | 26 | 26 | 17 | 26 | 36 | 46 | 35 | 130 | 168 | 165 | 160 | 192 | 186 | 186 | 157 |
Swell 2 Height (m) Direction Period (s) | E 11 | E 11 | E 11 | SSW 8 | SSW 8 | SSW 7 | SSW 7 | E 11 | SW 6 | SW 6 | SW 6 | SW 5 | SW 9 | SW 9 | SW 9 | SW 9 | SSW 8 | SSW 8 | S 8 | SW 9 | SW 9 | SW 9 | S 8 | S 8 |
| kJ | 38 | 21 | 21 | 20 | 19 | 18 | 18 | 39 | 11 | 11 | 11 | 10 | 31 | 29 | 29 | 41 | 40 | 39 | 35 | 40 | 40 | 36 | 34 | 34 |
Swell 3 Height (m) Direction Period (s) | SE 11 | SE 10 | SE 10 | E 11 | E 11 | E 11 | E 11 | SE 11 | SW 10 | SW 10 | SW 10 | SW 10 | SW 5 | ESE 14 | ESE 14 | ESE 14 | SW 9 | E 5 | SW 9 | S 8 | S 8 | SSW 9 | SW 9 | SW 9 |
| kJ | 18 | 16 | 16 | 22 | 22 | 22 | 22 | 18 | 15 | 15 | 24 | 33 | 10 | 38 | 64 | 74 | 41 | 13 | 41 | 35 | 35 | 25 | 27 | 26 |
Wind waves Height (m) Direction Period (s) | E 3 | E 4 | E 4 | ENE 4 | E 4 | E 3 | — | ENE 6 | ENE 6 | ENE 5 | ENE 5 | E 5 | E 4 | E 4 | E 5 | E 5 | E 5 | — | E 5 | E 5 | E 5 | E 5 | — | — |
| kJ | 2 | 16 | 13 | 5 | 2 | 2 | — | 6 | 3 | 3 | 5 | 4 | 5 | 14 | 21 | 16 | 16 | — | 12 | 8 | 7 | 7 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 94 | 161 | 161 | 13 | 2 | 186 | 186 | 179 | 161 | 161 | 13 | 13 | 150 | 150 | 150 | 2 | 2 | 2 | 13 | 13 | 145 | 104 | 65 | 2 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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