Surf Forecasts:
How big are the waves at Katahama today (28 Aug):
- Morning surf: Morning surf (28 Aug, local time) - 2ft (0.6m), 9s period with S swell.
- Afternoon surf: Afternoon surf (28 Aug, local time) - 2.5ft (0.8m), 8s period with S swell.
- Evening surf: Evening surf (28 Aug, local time) - 1.5ft (0.5m), 12s period with E swell.
The current surf forecast for Katahama at 6AM is: 0.5m 13s primary swell from a East direction and 0.7m 9s secondary swell from a South direction (forecast issued at 02:00am August 28). An open ocean swell of 1.7m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Aug) | 2ft (0.6m) | 9s |
| Afternoon (28 Aug) | 2.5ft (0.8m) | 8s |
| Evening (28 Aug) | 1.5ft (0.5m) | 12s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 11mm), heaviest on Fri morning. Warm (max 27°C on Sat morning, min 24°C on Fri morning). Wind will be generally light. | ||||||||||||||||||||||||
Friday 28 | Saturday 29 | Sunday 30 | ||||||||||||||||||||||
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) | SW 6 | E 13 | E 13 | S 9 | E 12 | S 8 | E 12 | E 12 | E 12 | S 8 | E 12 | S 8 | E 12 | E 12 | E 11 | E 11 | E 5 | SE 10 | E 11 | E 11 | E 11 | E 11 | E 11 | E 11 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 92 | 125 | 79 | 55 | 77 | 84 | 71 | 69 | 44 | 31 | 43 | 19 | 42 | 42 | 40 | 39 | 43 | 31 | 21 | 22 | 22 | 22 | 22 | 22 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | off | glassy | cross-off | cross-off | off | glassy | glassy | glassy | on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on |
High Tide | 5:15AM1.69m | 6:02PM1.73m | 5:51AM1.72m | 6:23PM1.76m | 6:28AM1.72m | 6:48PM1.79m | ||||||||||||||||||
Low Tide | 11:38PM0.80m | 11:45AM0.41m | 00:04AM0.69m | 12:11PM0.45m | 00:33AM0.59m | 12:38PM0.51m | ||||||||||||||||||
 | |  | |  |  | |  | |  |  | | | | |  |  | | | | | | | | |
 | — | 5:16 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:17 | — | — | — | — | — | — | — | 6:16 | — |
mm | 2 | 5 | 4 | 3 | 6 | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — |
Temp °C | 28 | 27 | 25 | 24 | 24 | 25 | 26 | 25 | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 26 | 24 | 24 | 24 | 24 | 24 | 25 | 24 | 24 |
Feels °C | 31 | 30 | 28 | 27 | 29 | 26 | 27 | 28 | 30 | 30 | 31 | 31 | 30 | 30 | 30 | 30 | 27 | 27 | 27 | 26 | 26 | 28 | 27 | 28 |
Swell 1 Height (m) Direction Period (s) | SW 10 | S 9 | S 9 | SW 6 | SW 6 | S 8 | S 8 | S 8 | S 8 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SSW 8 | SSW 8 | SSW 7 | SSW 7 | SSW 8 | S 7 | SSW 7 | SSW 7 |
| kJ | 133 | 56 | 78 | 167 | 112 | 84 | 61 | 31 | 33 | 47 | 46 | 34 | 37 | 35 | 24 | 15 | 23 | 50 | 48 | 48 | 50 | 28 | 18 | 18 |
Swell 2 Height (m) Direction Period (s) | S 9 | E 13 | E 13 | SW 9 | S 8 | E 12 | E 12 | E 12 | E 12 | SW 11 | S 8 | SW 10 | E 12 | E 12 | SSW 8 | E 11 | SW 5 | E 11 | E 11 | E 11 | E 11 | E 11 | E 11 | E 11 |
| kJ | 80 | 125 | 79 | 65 | 49 | 74 | 71 | 69 | 44 | 55 | 30 | 47 | 42 | 42 | 19 | 39 | 10 | 21 | 21 | 22 | 22 | 22 | 22 | 22 |
Swell 3 Height (m) Direction Period (s) | ESE 11 | SSE 10 | SE 14 | S 9 | E 12 | SW 11 | SW 10 | SW 10 | SSE 9 | S 8 | E 12 | S 8 | S 8 | S 8 | E 11 | SW 8 | E 11 | SE 10 | SE 10 | SE 10 | E 5 | SE 10 | SE 10 | SE 11 |
| kJ | 37 | 9 | 8 | 55 | 77 | 29 | 28 | 28 | 9 | 31 | 43 | 19 | 19 | 19 | 40 | 18 | 21 | 27 | 16 | 16 | 4 | 17 | 17 | 18 |
Wind waves Height (m) Direction Period (s) | SW 6 | SW 6 | SW 6 | — | — | SW 6 | SW 6 | SW 6 | SW 6 | NW 3 | NW 4 | — | — | — | ESE 3 | E 4 | E 5 | E 5 | E 5 | E 5 | — | SW 5 | SW 4 | SW 4 |
| kJ | 92 | 199 | 205 | — | — | 85 | 98 | 83 | 80 | 3 | 2 | — | — | — | 1 | 14 | 43 | 31 | 19 | 8 | — | 8 | 13 | 12 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 65 | 65 | 2 | 2 | 2 | 6 | 6 | 2 | 2 | 2 | 2 | 150 | 104 | 94 | 13 | 13 | 94 | 13 | 161 | 161 | 179 | 145 | 13 | 13 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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