Surf Forecasts:
How big are the waves at Katahama today (27 Aug):
- Morning surf: Morning surf (27 Aug, local time) - 3ft (0.9m), 9s period with SSE swell.
- Afternoon surf: Afternoon surf (27 Aug, local time) - 2.5ft (0.8m), 10s period with S swell.
- Evening surf: Evening surf (27 Aug, local time) - 4.5ft (1.3m), 6s period with SW swell.
The current surf forecast for Katahama at 4PM is: 0.8m 10s primary swell from a South direction and 1.2m 6s secondary swell from a Southwest direction (forecast issued at 08:00am August 27). An open ocean swell of 0.9m 10s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Aug) | 3ft (0.9m) | 9s |
| Afternoon (27 Aug) | 2.5ft (0.8m) | 10s |
| Evening (27 Aug) | 4.5ft (1.3m) | 6s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 18mm), heaviest on Thu night. Warm (max 29°C on Thu morning, min 23°C on Fri morning). Wind will be generally light. | ||||||||||||||||||||||
Thursday 27 | Friday 28 | Saturday 29 | ||||||||||||||||||||
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) | SSE 10 | SSE 9 | SSE 10 | S 10 | S 10 | SW 6 | S 9 | E 13 | SW 6 | SW 6 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | SW 10 | SW 6 | E 11 | E 11 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 120 | 141 | 184 | 130 | 122 | 119 | 80 | 84 | 114 | 78 | 77 | 74 | 71 | 69 | 68 | 68 | 44 | 42 | 0 | 54 | 40 | 39 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross | cross-on | on | on | glassy | glassy |
High Tide | 4:40AM1.64m | 5:42PM1.69m | 5:15AM1.69m | 6:02PM1.73m | 5:51AM1.72m | 6:23PM1.76m | ||||||||||||||||
Low Tide | 11:19AM0.38m | 11:38PM0.80m | 11:45AM0.41m | 00:04AM0.69m | 12:11PM0.45m | |||||||||||||||||
 | | | |  |  | | |  |  | | | |  |  | | | | | | | | |
 | 5:15 | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — |
 | — | — | — | — | 6:21 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:17 | — |
mm | — | — | — | — | — | 1 | 5 | 4 | 1 | 4 | 1 | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 29 | 29 | 29 | 29 | 28 | 27 | 25 | 24 | 23 | 25 | 29 | 28 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 26 |
Feels °C | 30 | 31 | 30 | 30 | 31 | 31 | 31 | 29 | 27 | 26 | 26 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 31 | 32 | 31 |
Swell 1 Height (m) Direction Period (s) | SW 11 | SW 11 | SW 10 | SW 10 | SW 10 | SW 10 | S 9 | S 9 | S 9 | S 9 | S 8 | S 8 | S 8 | S 8 | SW 10 | S 8 | SW 8 | SW 10 | SSW 6 | SSW 6 | SSW 6 | SW 6 |
| kJ | 347 | 292 | 208 | 196 | 163 | 136 | 80 | 56 | 78 | 76 | 65 | 63 | 63 | 48 | 69 | 32 | 65 | 79 | 31 | 46 | 44 | 34 |
Swell 2 Height (m) Direction Period (s) | SSE 10 | SSE 9 | SSE 10 | S 10 | S 10 | S 9 | ESE 11 | E 13 | SW 9 | SW 9 | E 12 | E 12 | E 12 | E 12 | S 8 | E 12 | S 8 | S 8 | SW 10 | E 12 | E 11 | SW 9 |
| kJ | 120 | 141 | 184 | 130 | 122 | 83 | 37 | 84 | 83 | 79 | 77 | 74 | 71 | 69 | 33 | 68 | 44 | 43 | 46 | 42 | 40 | 28 |
Swell 3 Height (m) Direction Period (s) | E 12 | E 12 | ESE 11 | E 11 | ESE 11 | ESE 11 | E 13 | SSE 10 | E 13 | E 13 | SW 11 | SW 11 | SW 10 | SW 10 | E 12 | SSE 10 | E 12 | E 12 | SSW 8 | SW 9 | SSW 8 | E 11 |
| kJ | 42 | 41 | 41 | 37 | 38 | 38 | 55 | 9 | 79 | 78 | 29 | 29 | 28 | 28 | 68 | 9 | 43 | 42 | 20 | 21 | 20 | 39 |
Wind waves Height (m) Direction Period (s) | SW 5 | SW 6 | SW 6 | SW 5 | SW 6 | SW 6 | SW 10 | SW 6 | SW 6 | SW 6 | SW 9 | SW 9 | SW 8 | SW 5 | WSW 4 | WSW 11 | NW 4 | — | — | SW 6 | — | SW 5 |
| kJ | 65 | 76 | 89 | 83 | 89 | 119 | 450 | 221 | 114 | 75 | 197 | 148 | 162 | 53 | 34 | 196 | 3 | — | — | 54 | — | 29 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 65 | 148 | 112 | 103 | 65 | 2 | 2 | 2 | 2 | 2 | 6 | 6 | 6 | 2 | 2 | 2 | 13 | 334 | 13 | 104 | 6 | 2 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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